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          系统管理员的 SELinux 指南:这个大问题的 42 个答案      Cache   Translate Page   Web Page Cache   

获取有关生活、宇宙和除了有关 SELinux 的重要问题的答案

“一个重要而普遍的事实是,事情并不总是你看上去的那样 …” ―Douglas Adams,《银河系漫游指南》

安全、坚固、遵从性、策略是末世中系统管理员的四骑士。除了我们的日常任务之外 —— 监控、备份、实施、调优、更新等等 —— 我们还需要负责我们的系统安全。即使这些系统是第三方提供商告诉我们该禁用增强安全性的系统。这看起来像《碟中碟》中 Ethan Hunt 的工作一样。

面对这种窘境,一些系统管理员决定去服用蓝色小药丸,因为他们认为他们永远也不会知道如生命、宇宙、以及其它一些大问题的答案。而我们都知道,它的答案就是这个 42

按《银河系漫游指南》的精神,这里是关于在你的系统上管理和使用 SELinux 这个大问题的 42 个答案。

  1. SELinux 是一个标签系统,这意味着每个进程都有一个标签。每个文件、目录、以及系统对象都有一个标签。策略规则负责控制标签化的进程和标签化的对象之间的访问。由内核强制执行这些规则。
  2. 两个最重要的概念是:标签化(文件、进程、端口等等)和类型强制(基于不同的类型隔离不同的的进程)。
  3. 正确的标签格式是 user:role:type:level(可选)。
  4. 多级别安全Multi-Level Security(MLS)强制的目的是基于它们所使用数据的安全级别,对进程(域)强制实施控制。比如,一个秘密级别的进程是不能读取极机密级别的数据。
  5. 多类别安全Multi-Category Security(MCS)强制相互保护相似的进程(如虚拟机、OpenShift gears、SELinux 沙盒、容器等等)。
  6. 在启动时改变 SELinux 模式的内核参数有:
    • autorelabel=1 → 强制给系统重新标签化
    • selinux=0 → 内核不加载 SELinux 基础设施的任何部分
    • enforcing=0 → 以许可permissive模式启动
  7. 如果给整个系统重新标签化:

    # touch /.autorelabel 
    # reboot
    

    如果系统标签中有大量的错误,为了能够让 autorelabel 成功,你可以用许可模式引导系统。

  8. 检查 SELinux 是否启用:# getenforce

  9. 临时启用/禁用 SELinux:# setenforce [1|0]

  10. SELinux 状态工具:# sestatus

  11. 配置文件:/etc/selinux/config

  12. SELinux 是如何工作的?这是一个为 Apache Web Server 标签化的示例:

    • 二进制文件:/usr/sbin/httpdhttpd_exec_t
    • 配置文件目录:/etc/httpdhttpd_config_t
    • 日志文件目录:/var/log/httpdhttpd_log_t
    • 内容目录:/var/www/htmlhttpd_sys_content_t
    • 启动脚本:/usr/lib/systemd/system/httpd.servicehttpd_unit_file_d
    • 进程:/usr/sbin/httpd -DFOREGROUNDhttpd_t
    • 端口:80/tcp, 443/tcphttpd_t, http_port_t

    httpd_t 安全上下文中运行的一个进程可以与具有 httpd_something_t 标签的对象交互。

  13. 许多命令都可以接收一个 -Z 参数去查看、创建、和修改安全上下文:

    • ls -Z
    • id -Z
    • ps -Z
    • netstat -Z
    • cp -Z
    • mkdir -Z

    当文件被创建时,它们的安全上下文会根据它们父目录的安全上下文来创建(可能有某些例外)。RPM 可以在安装过程中设定安全上下文。

  14. 这里有导致 SELinux 出错的四个关键原因,它们将在下面的 15 - 21 条中展开描述:

    • 标签化问题
    • SELinux 需要知道一些东西
    • SELinux 策略或者应用有 bug
    • 你的信息可能被损坏
  15. 标签化问题:如果在 /srv/myweb 中你的文件没有被正确的标签化,访问可能会被拒绝。这里有一些修复这类问题的方法:

    • 如果你知道标签:# semanage fcontext -a -t httpd_sys_content_t '/srv/myweb(/.*)?'
    • 如果你知道和它有相同标签的文件:# semanage fcontext -a -e /srv/myweb /var/www
    • 恢复安全上下文(对于以上两种情况):# restorecon -vR /srv/myweb
  16. 标签化问题:如果你是移动了一个文件,而不是去复制它,那么这个文件将保持原始的环境。修复这类问题:

    • 使用标签来改变安全上下文:# chcon -t httpd_system_content_t /var/www/html/index.html
    • 使用参考文件的标签来改变安全上下文:# chcon --reference /var/www/html/ /var/www/html/index.html
    • 恢复安全上下文(对于以上两种情况):# restorecon -vR /var/www/html/
  17. 如果 SELinux 需要知道 HTTPD 在 8585 端口上监听,使用下列命令告诉 SELinux:# semanage port -a -t http_port_t -p tcp 8585

  18. SELinux 需要知道是否允许在运行时改变 SELinux 策略部分,而无需重写 SELinux 策略。例如,如果希望 httpd 去发送邮件,输入:# setsebool -P httpd_can_sendmail 1

  19. SELinux 需要知道 SELinux 设置的关闭或打开的一系列布尔值:

    • 查看所有的布尔值:# getsebool -a
    • 查看每个布尔值的描述:# semanage boolean -l
    • 设置某个布尔值:# setsebool [_boolean_] [1|0]
    • 将它配置为永久值,添加 -P 标志。例如:# setsebool httpd_enable_ftp_server 1 -P
  20. SELinux 策略/应用可能有 bug,包括:

    • 不寻常的代码路径
    • 配置
    • 重定向 stdout
    • 泄露的文件描述符
    • 可执行内存
    • 错误构建的库

    开一个工单(但不要提交 Bugzilla 报告;使用 Bugzilla 没有对应的服务)

  21. 你的信息可能被损坏了,假如你被限制在某个区域,尝试这样做:

    • 加载内核模块
    • 关闭 SELinux 的强制模式
    • 写入 etc_t/shadow_t
    • 修改 iptables 规则
  22. 用于开发策略模块的 SELinux 工具:# yum -y install setroubleshoot setroubleshoot-server。安装完成之后重引导机器或重启 auditd 服务。

  23. 使用 journalctl 去列出所有与 setroubleshoot 相关的日志:# journalctl -t setroubleshoot --since=14:20

  24. 使用 journalctl 去列出所有与特定 SELinux 标签相关的日志。例如:# journalctl _SELINUX_CONTEXT=system_u:system_r:policykit_t:s0

  25. 当 SELinux 错误发生时,使用setroubleshoot 的日志,并尝试找到某些可能的解决方法。例如:从 journalctl 中:

    Jun 14 19:41:07 web1 setroubleshoot: SELinux is preventing httpd from getattr access on the file /var/www/html/index.html. For complete message run: sealert -l 12fd8b04-0119-4077-a710-2d0e0ee5755e
    
    # sealert -l 12fd8b04-0119-4077-a710-2d0e0ee5755e
    SELinux is preventing httpd from getattr access on the file /var/www/html/index.html.
    
    ***** Plugin restorecon (99.5 confidence) suggests ************************
    
    If you want to fix the label,
    /var/www/html/index.html default label should be httpd_syscontent_t.
    Then you can restorecon.
    Do
    # /sbin/restorecon -v /var/www/html/index.html
    
  26. 日志:SELinux 记录的信息全在这些地方:

    • /var/log/messages
    • /var/log/audit/audit.log
    • /var/lib/setroubleshoot/setroubleshoot_database.xml
  27. 日志:在审计日志中查找 SELinux 错误:# ausearch -m AVC,USER_AVC,SELINUX_ERR -ts today

  28. 针对特定的服务,搜索 SELinux 的访问向量缓存Access Vector Cache(AVC)信息:# ausearch -m avc -c httpd

  29. audit2allow 实用工具可以通过从日志中搜集有关被拒绝的操作,然后生成 SELinux 策略允许的规则,例如:

    • 产生一个人类可读的关于为什么拒绝访问的描述:# audit2allow -w -a
    • 查看允许被拒绝的类型强制规则:# audit2allow -a
    • 创建一个自定义模块:# audit2allow -a -M mypolicy,其中 -M 选项将创建一个特定名称的强制类型文件(.te),并编译这个规则到一个策略包(.pp)中:mypolicy.pp mypolicy.te
    • 安装自定义模块:# semodule -i mypolicy.pp
  30. 配置单个进程(域)运行在许可模式:# semanage permissive -a httpd_t

  31. 如果不再希望一个域在许可模式中:# semanage permissive -d httpd_t

  32. 禁用所有的许可域:# semodule -d permissivedomains

  33. 启用 SELinux MLS 策略:# yum install selinux-policy-mls。 在 /etc/selinux/config 中:

    SELINUX=permissive
    SELINUXTYPE=mls
    

    确保 SELinux 运行在许可模式:# setenforce 0

    使用 fixfiles 脚本来确保在下一次重启时文件将被重新标签化:# fixfiles -F onboot # reboot

  34. 创建一个带有特定 MLS 范围的用户:# useradd -Z staff_u john

    使用 useradd 命令,映射新用户到一个已存在的 SELinux 用户(上面例子中是 staff_u)。

  35. 查看 SELinux 和 Linux 用户之间的映射:# semanage login -l

  36. 为用户定义一个指定的范围:# semanage login --modify --range s2:c100 john

  37. 调整用户家目录上的标签(如果需要的话):# chcon -R -l s2:c100 /home/john

  38. 列出当前类别:# chcat -L

  39. 修改类别或者创建你自己的分类,修改如下文件:/etc/selinux/_<selinuxtype>_/setrans.conf

  40. 以某个特定的文件、角色和用户安全上下文来运行一个命令或者脚本:# runcon -t initrc_t -r system_r -u user_u yourcommandhere

    • -t 是文件安全上下文
    • -r 是角色安全上下文
    • -u 是用户安全上下文
  41. 在容器中禁用 SELinux:

    • 使用 Podman:# podman run --security-opt label=disable ...
    • 使用 Docker:# docker run --security-opt label=disable ...
  42. 如果需要给容器提供完全访问系统的权限:

    • 使用 Podman:# podman run --privileged ...
    • 使用 Docker:# docker run --privileged ...

就这些了,你已经知道了答案。因此请相信我:不用恐慌,去打开 SELinux 吧

作者简介

Alex Callejas 是位于墨西哥城的红帽公司拉丁美洲区的一名技术客服经理。作为一名系统管理员,他已有超过 10 年的经验。在基础设施强化方面具有很强的专业知识。对开源抱有热情,通过在不同的公共事件和大学中分享他的知识来支持社区。天生的极客,当然他一般选择使用 Fedora Linux 发行版。[这里][11]有更多关于他的信息。


via: https://opensource.com/article/18/7/sysadmin-guide-selinux

作者:Alex Callejas 选题:lujun9972 译者:qhwdw, FSSlc 校对:wxy

本文由 LCTT 原创编译,Linux中国 荣誉推出


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          Verbos Electronics Bark Filter Processor Eurorack Module      Cache   Translate Page   Web Page Cache   
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          Roland SYS-512 SYSTEM-500 Modular VCO      Cache   Translate Page   Web Page Cache   
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          Studio Electronics STE 16 Dual Digital LFO EURORACK      Cache   Translate Page   Web Page Cache   
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          TC80 - Play (Sequalog France) 2xLP      Cache   Translate Page   Web Page Cache   
Title: Play
Artist: TC80
Label: Sequalog France
Format: 2xLP

Track listing:
MP3 Sample Cloud
MP3 Sample Download
MP3 Sample New Life
MP3 Sample Play
MP3 Sample FM Stage
MP3 Sample Creation
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          Vector is a Robot by Anki that can Answer your Questions and Play Games with You for $250      Cache   Translate Page   Web Page Cache   
AI and Machine Learning are buzzwords we’ve been hearing a lot of late, especially with regards to smartphones. But hey, there’s much more to AI than just scene detection on your camera app! While robots haven’t really taken over much work from humans yet, there are products like robot vacuum cleaners which do a hassle-free […]
          50 Vector Divider Design Elements      Cache   Translate Page   Web Page Cache   
50 Vector Divider Design Elements



50 Vector Divider Design Elements



AI, EPS, JPG, PNG | 5.25 MB




          [Free] 2018(Aug) Ensurepass Microsoft 98-374 Dumps with VCE and PDF 51-60      Cache   Translate Page   Web Page Cache   
Ensurepass.com : Ensure you pass the IT Exams 2018 Aug Microsoft Official New Released 98-374100% Free Download! 100% Pass Guaranteed! MTA: Gaming Development Fundamentals Question No: 51 You are working on the orientation system for 3D models in your new game project. You need to transform a matrix by using DirectX. Which order of operations should you use? translation, then rotation, then scale scale, then translation, then rotation rotation, then translation, then scale scale, then rotation, then translation Answer: D Explanation: http://msdn.microsoft.com/en- us/library/windows/desktop/bb206269(v=vs.85).aspx Question No: 52 To maximize character animation quality, each vertex of a 3D mesh should be mapped to: opaque textures. multiple bones. a single bone target. proximity triggers. Answer: B Explanation: http://mobilebits.de/Blog/post/2007/02/25/Skeletal-Bone-Animation-and- Skinning-with-Collada-Models-in-XNA.aspx Question No: 53 Platformers and Shooters are sub-genres of: Adventure. Action. Strategy. Simulation. Answer: B Explanation: http://gamersen.com/game_categorization Question No: 54 Which game genre focuses on allowing the player characters to build up skills and abilities when they play the game? Simulation Puzzle game Role-playing game Turn-based strategy First-person shooter Answer: C Explanation: http://gamersen.com/game_categorization Question No: 55 HOTSPOT : 12 HOTSPOT You design a user interface (UI) for a touch screen. Players report that the Fight and Flee buttons on the UI below are difficult to use. The specific issues are: ->The buttons do not always respond when touched. ->The buttons seem to misfire. When one button is touched, the opposite button is triggered. You validate that the underlying code is not the cause of the problem. You need to resolve the player input issues. Use the drop-down menus to complete each statement. Each correct selection is worth one point. Answer: Explanation: C:\Users\Kamran\Desktop\image.jpg Question No: 56 Which device has a built-in infrared camera that can detect movement? Kinect Xxbox GamePad Standard mouse Wwindows Phone 7 Answer: A Explanation: http://msdn.microsoft.com/en-us/library/jj663800.aspx Question No: 57 What are the three characteristics of a massively multiplayer online role playing game (MMORPG)? (Choose three.) The game is played on multiple personal computers (PCs), consoles, and mobile devices and requires one or more servers to coordinate the game. The player#39;s character increases in abilities and skills as their abilities and skills are used in the game. The game is played by two or more players who take turns playing on the same PC, console, or mobile device. The primary game play involves players competing in one-on-one combat. Thousands of players can play concurrently. Answer: A,B,E Explanation: http://gamersen.com/game_categorization Question No: 58 What are three ways to perform rotation in 3D space? (Choose three.) Determinant Angle-Axis Quaternion Vector Matrix Answer: A,C,D Explanation: http://msdn.microsoft.com/en-us/library/bb197901.aspx Question No: 59 You are implementing the math library for a game engine. You need to find a solution that stores transform information by using only four floats. Which solution should you use? quaternions 4×4 matrix 3×3 matrix Euler angles Answer: A Explanation: http://blogs.msdn.com/b/rezanour/archive/2012/04/29/math-primer-series- rotation-representations-and-quaternions.aspx Question No: 60 In game programming, delta-time is: The time between when an app starts and the current frame. The required frames per second (FPS) for the app. The time when the operating system#39;s clock time... Read More
          [Free] 2018(Aug) Ensurepass Microsoft 98-374 Dumps with VCE and PDF 41-50      Cache   Translate Page   Web Page Cache   
Ensurepass.com : Ensure you pass the IT Exams 2018 Aug Microsoft Official New Released 98-374100% Free Download! 100% Pass Guaranteed! MTA: Gaming Development Fundamentals Question No: 41 Which three audio codecs are natively supported by Windows Phone 7? (Choose three.) OGG MP3 WMA AIFF ADPCM Answer: B,C,E Explanation: http://msdn.microsoft.com/en-us/library/cc189080(vs.95).aspx Question No: 42 Which vector operation gives the cosine of the angle between two vectors? Cross product Addition Dot product Multiplication Answer: C Explanation: http://msdn.microsoft.com/en- us/library/microsoft.xna.framework.vector2.dot.aspx Question No: 43 : 90 You are designing a reusable text input component for a game#39;s graphical user interface (GUI). Which two game engine resources make a text input field functional? (Choose two.) Pixel shader Key input Mouse input Timer services Answer: A,B Question No: 44 Which XNA method allows you to build a matrix to move scene geometry on one or more axes? Matrix.Determinant() Matrix.CreateLookAt() Matrix.Invert() Matrix.Createtranslation() Answer: D Explanation: http://msdn.microsoft.com/en- us/library/microsoft.xna.framework.matrix.createtranslation.aspx Question No: 45 You develop a new Windows game. The game must have a programmable graphics pipeline and be able to display graphics. Which tool should you use? DirectComposition XAML DirectX Windows Imaging Component (WIC) Answer: C Explanation: http://msdn.microsoft.com/en- us/library/dd904179(v=xnagamestudio.31).aspx Question No: 46 What is the name of the Microsoft service that allows you to host, run, and scale your server-side applications on a Microsoft data center? Microsoft Azure Microsoft Virtual Server Microsoft Office SharePoint Microsoft BizTalk Server Answer: A Explanation: http://msdn.microsoft.com/en-us/library/azure/dd163896.aspx Question No: 47 The Xbox 360 save game data can be read from and written to: Title storage. Protected memory. User storage. Content pipeline. Answer: C Explanation: http://msdn.microsoft.com/en-us/library/bb199073.aspx Question No: 48 Which is the correct version of Microsoft .NET Framework available on the Xbox 360 and Windows Phone 7 platforms? .NET Framework Client Profile .NET Micro Framework .NET Framework 4.0 .NET Compact Framework Answer: D Explanation: http://msdn.microsoft.com/en-us/library/bb417503.aspx#ID4ENB http://msdn.microsoft.com/en-us/library/bb788171(v=vs.90).aspx Question No: 49 Which matrix is changed from one frame render to the next only when the position or orientation of the camera is changed? View Identity Translation Projection Answer: A Explanation: http://msdn.microsoft.com/en-us/library/bb197901.aspx Question No: 50 Artificial life games and high-performance racing games are sub-genres of: Adventure. Action. Strategy. Simulation. Answer: D Explanation: http://gamersen.com/game_categorization 100% Ensurepass Free Download!–98-374 PDF100% Ensurepass Free Guaranteed!–98-374 Dumps EnsurePass ExamCollection Testking Lowest Price Guarantee Yes No No Up-to-Dated Yes No No Real Questions Yes No No Explanation Yes No No PDF VCE Yes No No Free VCE Simulator Yes No No Instant Download Yes No No
          [Free] 2018(Aug) Ensurepass Microsoft 98-374 Dumps with VCE and PDF 11-20      Cache   Translate Page   Web Page Cache   
Ensurepass.com : Ensure you pass the IT Exams 2018 Aug Microsoft Official New Released 98-374100% Free Download! 100% Pass Guaranteed! MTA: Gaming Development Fundamentals Question No: 11 With regard to a high-level shading language (HLSL) effect file, which two shaders are required for a technique to function properly? (Choose two.) vertex Hull Domain Pixel Geometry Answer: D,E Explanation: http://msdn.microsoft.com/en- us/library/windows/desktop/bb509635(v=vs.85).aspx Question No: 12 Which namespace must be included in your XNA code to support a game pad, a keyboard, and a mouse? Microsoft.Xna.Framework.Design Microsoft. Xna.Framework. Media Microsoft.Xna.Framework. Input Microsoft.Xna.Framework.Net Microsoft.Xna.Framework.GamerServicea Microsoft.Xna.Framework.Storage Answer: C Explanation: http://msdn.microsoft.com/en-us/library/microsoft.xna.framework.input.aspx Question No: 13 In an XNA Game Studio 4.0 project, what is the name of the process that imports and transforms an art asset from its original file format into a data file that can be loaded at run time? Content Processor Content Pipeline Content Importer Content Manager Answer: B Explanation: http://msdn.microsoft.com/en-us/library/bb447745.aspx Question No: 14 Which XNA class contains skeletal animation data when a model file is loaded into memory? BoneContent Children Parent Animations Answer: A Explanation: http://msdn.microsoft.com/en- us/library/microsoft.xna.framework.content.pipeline.graphics.aspx Question No: 15 HOTSPOT : 45 HOTSPOT For each of the following statements, select Yes if the statement is true. Otherwise, select No. Each correct selection is worth one point. Answer: Question No: 16 What asset contains the individual frames of a 2D animation? A sprite sheet (atlas) A texture map A graphics palette A shader Answer: A Explanation: http://msdn.microsoft.com/en-us/library/bb203866.aspx Question No: 17 You are developing a game for Windows Phone 7. To maintain a high score list on a web server, which Microsoft .NET class should you use to send and receive data by using a web service? PacketReader NetworkSession UdpClient HttpWebRequest Answer: D Explanation: http://msdn.microsoft.com/en-us/library/hh221581.aspx Question No: 18 When loading an XNA Texture2D asset, what type of parameter should you pass to the Content.LoadQ method? The alpha value that must be applied to the bitmap asset The directory in which the bitmap asset is stored The mesh on which the bitmap asset will be loaded A string that contains the name of the bitmap asset Answer: D Explanation: http://msdn.microsoft.com/en-us/library/bb197848.aspx Question No: 19 : 58 You plan to write an XNA code segment in C# to reverse the direction of the ball when it collides with a screen boundary. You write the following code segment. When you run the code, you discover that sometimes the ball gets stuck at the boundary resulting in a ping-pong effect back and forth. What error causes the ping-pong effect? The failure of the code to speed up the ball while it is reversing the direction The failure of the code to reset the ball#39;s position to the boundary on collision The failure of the code to wait one frame before reversing the direction of the ball The failure of the code due to accumulated math errors that break the collision detection Answer: B Question No: 20 A row major matrix means that the translation vector is stored in the: last row. first row. last column. first column. Answer: D... Read More
          2007 Hydra-Sports 2900 Vector CC (York Harbor Marine (BoatingBay)) $129,000      Cache   Translate Page   Web Page Cache   
2007 Hydra-Sports 2900 Vector CC This beautiful Hydra-Sports 2900 CC Vector was just repowered with twin Mercury 300 XL Verado 4-Stroke DTS engines in white, and refitted with a new custom JL Audio music system, twin Raymarine Axiom GPS screens with Raymarine Quantum radar, and a custom underwater lighting package. Bow cushions, coaming bolsters, captain's seats, rear bench seat and more all with cushions add to its comfort, and a Vacu-Flush head in the console makes off-shore trips with family or friends a breeze. For the fishing enthusiast, multiple livewells, hard-top mounted radial outriggers compliment this package nicely. Whether for pleasure cruising or for fishing, you won't want to miss this boat! Stock: US1805 MarineClick: 454262

          Vectoraster 7.3.2 - Creating vector-based raster patterns from bitmap images. (Shareware)      Cache   Translate Page   Web Page Cache   

Vectoraster is a graphics utility for creating vector-based raster patterns and halftones based on images or gradients. The raster patterns and point shapes can be changed and varied across the pattern to produce many different styles. The resulting raster is always shown, updating in real time as you change parameters. The result can then easily be exported as vectors to EPS or PDF files, as images to JPEG, PNG or TIFF, or simply copied and pasted into most graphics software.

You can download and try Vectoraster for free, but with some limitations. To remove these limitations and get the full version you have to pay for the application.

Features
  • General
    • Many different point shape types, including circles, polygons, font characters and imported custom vector shapes or images
    • Detailed control of how you want point shape, transformation and color to vary over the raster
    • Base how the raster points vary on source images, gradients you define live in Vectoraster, or a combination
    • Advanced line-raster mode with lines of varying width instead of points
  • Patterns
    • Many different raster patterns with detailed control of how the points are placed.
    • Easily rotate and offset the raster pattern, and add multiple distrotions like waves and twists.
  • Output
    • Copy raster output and paste it straight into most vector graphics software.
    • File export to EPS and PDF for vector output, and JPEG, PNG and TIFF for bitmap.
    • Export point data (location and size) to a CSV file for further CAD or other processing.


Version 7.3.2:
  • Improved custom shape SVG path parsing.
  • Interface improvements for point color picking and source mixing.
  • Support for upcoming macOS 10.14 mojave.
  • Improved diagnostics for some installation and network problems.


  • OS X 10.10 or later



More information

Download Now
          forums: ה-TD-W9980 של TP-LINK משווק בישראל (מודם VDSL משולב נתב) (עדכון)      Cache   Translate Page   Web Page Cache   
NegativeIQ : היי, סליחה שאני מעורר את הפוסט כאן,אבל לאחרונה בקו שלי החל לפעול vectoring ופעם בכמה ימים יש איבוד מוחלט של סנכרון ואני חייב להתקשר בכל פעם לספק על מנת לבטל את האפשרות,הבעיה ...

          GNOME Development Updates      Cache   Translate Page   Web Page Cache   
  • libgepub + rust

    In 2010 I was working with evince, the gnome PDF document viewer, trying to add some accessibility to PDF files. That was really hard, not because GTK+ or ATK technology but because the PDF format itself. The PDF format is really cool for printing because you know that the piece of paper will look the same as the PDF doc, and because it's vector it scales and don't loose quality and files are smaller than image files, but almost all PDF files have not any metadata for sections, headings, tablets or so, this depends on the creation tool, but it's really hard to deal with PDF content text, because you don't know event if the text that you're reading is really in the same order that you read from the PDF.

    After my fight against the PDF format hell and poppler, I discovered the epub format that's a really simple format for electronic books. An epub is a zip with some XML files describing the book index and every chapter is a xhtml and xhtml is a good format compared to PDF because you can parse easily with any XML lib and the content is tagged and well structured so you know what's a heading, what's a paragraph, etc.

    So I started to write a simple C library to read epub files, thinking about add epub support to evince. That's how libgepub was born. I tried to integrate libgepub in evince, I've something working, rendering with webkit, but nothing really useful, because evince needs pages and it's not easy to split an xhtml file in pages with the same height, because xhtml is continuous text and it adapts to the page width, so I give up and leave this branch.

  • My final report for GSoC 2018

    The Google Summer of Code 2018 is coming to an end for me, so it means that it’s time for the final report!

    [...]

    I’ve created a media (although for now it only works with pictures) viewer for Fractal. Its purpose is to easily have a better view of the images within a room, to be able to zoom in and out of them, to navigate between the different images of the room in the chronological order, to enter in a full screen mode and to save a copy of the media in the filesystem. I made a first implementation and then had to do a lot of other improvements. I’ve spent about a month working on it.

    There is still the need to improve the zoom of the media viewer as the pictures are a little bit blurred and it’s not possible to zoom beyond 100%. There are optimizations to do as the application becomes very slow when trying to zoom beyond 100% on large pictures.

  • GUADEC 2018

    A few weeks ago I attended GUADEC in Almeria, Spain. The travel was a bit of an adventure, because Julian and I went there and back from Italy by train. It was great though, because we had lots of time to hack on Fractal on the train.

    [...]

    On Monday I attended the all-day Librem 5 BoF, together with my colleagues from Purism, and some community members, such as Jordan and Julian from Fractal.

    We talked about apps, particularly the messaging situation and Fractal. We discussed what will be needed in order to split the app, make the UI adaptive, and get end-to-end encryption. Daniel’s work on the database and Julian’s message history refactor are currently laying the groundwork for these.

    On the shell side we talked through the design of various parts of the shell, such as keyboard, notifications, multitasking, and gestures. Though many of those things won’t be implemented in the near future, we have a plan for where we’re going with these, and getting designers and developers in one room was very productive for working out some of the details.

    We also discussed a number of exciting new widgets to make it easier to get GNOME apps to work at smaller sizes, such as a new adaptive preferences window, and a way to allow modal windows to take up the entire screen at small sizes.

read more


          ASSISTANT PROFESSOR - INSECT VECTOR BIOLOGIST / INSECT PHYSIOLOGIST - University of Wisconsin–Madison - Madison, WI      Cache   Translate Page   Web Page Cache   
Assistant Professor - Insect Vector Biologist / Insect Physiologist. Position Vacancy ID:....
From University of Wisconsin–Madison - Mon, 30 Apr 2018 06:48:38 GMT - View all Madison, WI jobs
          Efficient Inter-View Motion Vector Prediction in Multi-View HEVC      Cache   Translate Page   Web Page Cache   
When multi-view video sequences are encoded, the efficient motion vector prediction (MVP) is one of the most important techniques to increase the coding performance. The predictive MV should be highly correlated with the actual MV of the current block to be encoded. In this paper, we explain the inefficiency of the MVP algorithm in the multi-view high efficiency video codec (MV-HEVC) standard. In order to solve the inefficiency problem, we propose an enhanced advanced motion vector prediction algorithm in which the geometry interrelation between two neighboring views is derived based on epipolar geometry, similarity transform, and affine transform, and then predicted motion vectors (PMVs) for efficient MV coding are generated using obtained geometry relation. The experiment results show that the proposed scheme outperforms conventional MV-HEVC with a 1.32%–1.19% coding gain because it provides more efficient PMVs than conventional algorithms.
          Fuzzy SVM-Based Coding Unit Decision in HEVC      Cache   Translate Page   Web Page Cache   
The latest video compression standard, High Efficiency Video Coding (HEVC), has greatly improved the coding efficiency compared to the predecessor H.264/AVC. However, equipped with the quadtree structure of coding tree unit partition and other sophisticated coding tools, HEVC brings a significant increase in the computational complexity. To address this issue, a coding unit (CU) decision method based on fuzzy support vector machine (SVM) is proposed for rate-distortion-complexity (RDC) optimization, where the process of CU decision is formulated as a cascaded multi-level classification task. The optimal feature set is selected according to a defined misclassification cost and a risk area is introduced for an uncertain classification output. To further improve the RDC performance, different regulation parameters in SVM are adopted and outliers in training samples are eliminated. Additionally, the proposed CU decision method is incorporated into a joint RDC optimization framework, where the width of risk area is adaptively adjusted to allocate flexible computational complexity to different CUs, aiming at minimizing computational complexity under a configurable constraint in terms of RD performance degradation. Experimental results show that the proposed approach can reduce 58.9% and 55.3% computational complexity on average with the values of Bjønteggard delta peak-signal-to-noise ratio as −0.075 dB and −0.085 dB and the values of Bjøntegaard delta bit rate as 2.859% and 2.671% under low delay ${P}$ and random access configurations, respectively, which has outperformed the state-of-the-art fast algorithms based on statistical information and machine learning.
          Vectors - Sale Backgrounds 45      Cache   Translate Page   Web Page Cache   

          Vectors - Ornamental Floral Frames 57      Cache   Translate Page   Web Page Cache   

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          Vectors - Black Insurance Icons 5      Cache   Translate Page   Web Page Cache   

          Vectors - Purple Neon Alphabets 2      Cache   Translate Page   Web Page Cache   

          Vectors - Puzzle Infographics Backgrounds 28      Cache   Translate Page   Web Page Cache   

          Logo Update      Cache   Translate Page   Web Page Cache   
Looking to update my business logo. 1. Want to change the phone to an iPhone 2. Change the "P" to "WP" Want a color, greyscale and black and white version Want the vector files. (Budget: $30 - $250 USD, Jobs: Graphic Design, Illustration, Illustrator, Logo Design, Photoshop)
          Information Security Specialist at GVA Partners      Cache   Translate Page   Web Page Cache   
Growth in Value Alliance (GV Alliance) Partners - Our client, a Lagos based Bank, is currently recruiting suitably qualified candidates to fill the position below:Job Description The Information Security Analyst reports to the Head of Information Risk Management and is responsible for the design, implementation and maintenance of effective systems security solutions. She/he will also investigate and resolve identified systems security breaches, create comprehensive maintenance of information security policies, standards, guidelines and procedures and monitor for compliance in line with the organization's IT security policy and applicable laws. The successful candidate in collaboration with the Information Technology Services (ITS) Systems Support team, will also monitor, assess, and fine-tune the IT business continuity and disaster recovery program, perform network penetration tests, application vulnerability assessment scans and risk audit reviews. This is a senior opening which provides an opportunity to work with a team of talented technical skills in transforming a leading Emerging Markets Operations in the Financial Services sector, positioning it for growth and leadership within its region, by actively working to achieve the enterprise security goals of the establishment.. Duties and Responsibilities Monitor and advice on information security issues related to the systems and workflow to ensure the internal security controls are appropriate and operating as intended. Coordinate response to information security incidents. Conduct data classification assessment and security audits and manage remediation plans. Collaborate with IT management, the legal department, and other stakeholders to manage security vulnerabilities. Perform the deployment, integration and initial configuration of all new security solutions and of any enhancements to existing security solutions in accordance with standard best operating procedures generically and the enterprise's security documents specifically. Create, manage and maintain user security awareness. Conduct security research in keeping abreast of latest security issues. Maintain up-to-date detailed knowledge of the IT security industry including awareness of new or revised security solutions, improved security processes and the development of new attacks and threat vectors. Recommend additional security solutions or enhancements to existing security solutions to improve overall enterprise security. Prepare IT security documentation, including information security policies, procedures, standards and guidelines based on compliance requirements and knowledge of best practices. Knowledge and Skill Requirements Extensive experience in enterprise security architecture design and enterprise security document creation. Solid knowledge of information security principles and practices. Working experience with intrusion detection systems Installation, configuration, monitoring and response to security system Understanding of advanced security protocols and standards Experience with IP networking, networking protocols, IPSec, VPN's, firewalls, proxy services, DNS, email, access lists. Experience with internet, web, application and network security techniques. Proven analytical and problem-solving abilities. Ability to effectively prioritize and execute tasks in a high-pressure environment. Good written, oral, and interpersonal communication skills. Ability to conduct research into IT security issues and products as required. Ability to present ideas in business-friendly and user-friendly language. Experience in designing and delivering employee security awareness training. Highly self-motivated and directed. Keen attention to detail. Team-oriented and skilled in working within a collaborative environment. Experience with software and security architectures Proactively assesses potential items of risk and opportunities of vulnerability in the network Experience with security practices of Intranet and Extranet Support day-to-day administration of various firewalls Strategy & Planning: Lead the planning and design activities for the enterprise security architecture, under the directives of the Head, Information Risk Management. Participate in the creation of enterprise security documents (policies, standards, baselines, guidelines and procedures) in collaboration with other team heads in the Information Risk Management unit. Provide leadership and work guidance to members of the Information Security team. Problem Solving: The post holder will be expected to work actively to achieve enterprise security goals within a set of resource constraints. S/he will need to: Have the ability to think logically and analyse complex situations for effective, sometimes out of the box solutions. Work with all stakeholders to develop strategic solution options and delivery plans Communicating With Others: The Information Security analyst will be expected to have excellent communication skills and experience in working with sponsors and other members of the business. The following points illustrate this: Communication and visibility of all critical issues and their status and service restore plans Define team member roles and expectations, and ensure timely feedback Communicate the technology vision and service improvement plans to internal and external stakeholders Operational Management: The operational scope of the post holder is underscored by the following functions: Identify security risks, threats and vulnerabilities of networks, systems, applications and new technology initiatives. Provide technical support in the development, testing and operation of firewalls, intrusion- detection systems, enterprise anti-virus and other automation as required. Ensure the confidentiality, integrity and availability of the data residing on or transmitted through the organization's workstations, servers , systems through databases and other data repositories. Ensure active compliance with information security requirements. Maintain up-to-date baselines for the secure configuration and operations of all in-place devices, (i.e., security tool, workstations, servers, network devices, etc.). Maintain operational configurations of all in-place security solutions as per the established baselines. Review logs and reports of all systems and devices Participate in the design and execution of vulnerability assessments, penetration tests and security audits. Provide on-call support for end users for all in-place security solutions. Educational Qualification A Bachelor's degree in Science, Electronic Engineering or any related discipline. (B.Sc degree in Computer Science, Engineering discipline, Mathematics or Physics will be a distinct advantage) Experience A minimum of 6 years post NYSC experience in IT/Network Security.
          Gușă ”îl somează” pe Iohannis să iasă în stradă: L-a făcut președinte      Cache   Translate Page   Web Page Cache   
Cozmin Gusa, actionar principal la Realitatea TV, afirma ca presedintele Klaus Iohannis ar avea datoria sa participe la mitingul Diasporei din 10 august. ”Oamenii din strada au nevoie de un vector din partea Puterii care sa le garanteze respectabilitatea fata de demersul lor. Diaspora l-a facut presedinte in 2014”, a declarat Gusa la Realitatea TV. […]
          Machine Learning Adaptive Receiver for PAM-4 Modulated Optical Interconnection Based on Silicon Microring Modulator      Cache   Translate Page   Web Page Cache   
Modulation nonlinearity can severely distort multilevel modulation, and signal processing to mitigate the distortion is highly desirable. In this paper, we demonstrated a machine learning method for adaptive detection of 4-level pulse amplitude modulation (PAM-4) signals modulated by silicon micro-ring modulator (Si-MRM). The very limited linear modulation range of Si-MRM leads to serious modulation nonlinearity distortion for high-level modulations like PAM-4 with the consideration of wavelength drift. Our approach is based on the support vector machine (SVM) method, which can learn the nonlinear distortion of Si-MRM during PAM-4 modulation. Thus, the detection can be made adaptive for PAM-4 signals with nonlinear levels and level dependent noise. The modulation nonlinearity distortion of PAM-4 has been characterized in terms of level deviation (LD) with respect to wavelength drift. Up to 2.7-dB receiver sensitivity gain is obtained at about 26% LD by using the proposed SVM machine learning method. The receiver sensitivity-float range can be squeezed to be within 0.3 dB even with up to 30% LD, which indicates a stable detection of PAM-4 signals along with wavelength drift. Up to 3.63-dB receiver sensitivity improvement has been experimentally achieved at 50 Gbps for PAM-4 signals modulated by a Si-MRM and after 2-km standard single mode fiber transmission. The stable operation of Si-MRM is very difficult and very important. The proof-of-concept results indicate the very promising capability of machine learning method for stable detection of PAM-4 signals modulated by Si-MRM, which is of great significance for practical application of Si-MRM in optical interconnection.
          14 Sites Like Inkscape.org      Cache   Translate Page   Web Page Cache   
Inkscape.org is a free and open-source vector graphics editor available online. This open-source graphics editor is used to edit vector graphics like diagrams, logos, charts, illustrations, line arts, and complex paintings. This site offers various formats for editing the vector graphics but other than the present ones, one can also import formats from another source. […]
          Anki's new Vector robot is ready to be your digital companion      Cache   Translate Page   Web Page Cache   

Robotics and AI start-up Anki has launched a Kickstarter campaign for Vector, a new home robot “with personality.”

Read Entire ArticleRead Comments


          'Vector', el nuevo y adorable robot con IA de Anki con el que buscan crear un compañero perfecto para el hogar      Cache   Translate Page   Web Page Cache   

Vector Anki 1

En 2013 conocimos a Anki, una compañía nacida en San Francisco aparecía en el mercado con algo llamado Anki Drive, una idea de pista de carreras con formato de Scalextric pero ahora haciendo uso de la tecnología. Anki Drive fue un éxito y posteriormente llegó Anki Overdrive, una versión vitaminada con más funciones que hacia que las carreras fueran más emocionantes.

En 2016, Anki daba un giro a sus productos y nos presentaba a Cozmo, un diminuto robot pensado para educar a los niños en programación, pero que también conquistó a adultos debido a su enternecedor aspecto. Aspecto que por cierto llegó por parte de un animador de Pixar, por ello los ojos y "personalidad" muy parecida a Wall-E. Hoy tenemos un nuevo robot, se llama 'Vector' y recoge mucho de lo que conocimos en Cozmo, sólo que ahora es más independiente al incorporar inteligencia artificial.

Es más tierno, independiente y ya no requiere conexión constante a un smartphone

Vector mantiene casi por completo el aspecto de Cozmo, sólo que ahora se viste de negro e incorpora nuevos componentes en su interior, lo cual lo ayudarán a ser más independiente y ofrecer funciones de asistente personal. Por ello, ahora no necesitaremos un smartphone para su operación, salvo para programarlo por primera vez.

Es una especie de Cozmo de segunda generación, y aunque el aspecto es el mismo, ahora tenemos una pantalla IPS a color donde la animación de los ojos ha recibido un completo lavado de cara. Sus creadores aseguran que ahora tiene más de mil animaciones, las cuales le ayudarán a expresar una gran cantidad de emociones e interactuar con las personas a su alrededor.

Vector ahora tiene WiFi, lo que le permite conectarse a internet para resolver dudas y responder a preguntas básicas, como el significado de algunas palabras, fechas especiales o simplemente conocer el pronóstico del tiempo. También cuenta con cuatro micrófonos que le ayudan a estar atento a nuestra voz, así como un sensor táctil en la parte superior, con lo que reaccionará a las caricias y servirá para darle indicaciones.

Todo está potenciado por un procesador APQ8009 de Qualcomm (Plataforma 200), el cual cuenta con soporte para inteligencia artificial, así como una cámara frontal a 720p con reconocimiento facial, la cual ayudaría a las tareas de interacción. De hecho, Anki asegura que gracias a sus capacidades, Vector no sólo es capaz de responder preguntas, ya también podría configurar temporizadores, tomar fotos e incluso jugar algunos juegos básicos.

Vector Anki 4

Según explican, Vector fue diseñado para estar en una mesa o un escritorio, por lo que se añadieron cuatro sensores inferiores que le ayudan a no caer y saber cuando llega a la orilla. También aseguran que cuenta un láser frontal, que ayudaría a mapear el entorno y así pueda saber por dónde se mueve detectando obstáculos.

Vector también sería capaz de saber cuando su batería está por agotarse, para así volver a su base y recargarla. Anki menciona que en las próximas semanas lanzarán un SDK, con el que los desarrolladores podrán crear nuevas herramientas y funciones para que Vector siga ampliando sus posibilidades.

Vector saldrá a la venta el próximo 12 de octubre y tendrá un precio de 249 dólares. Aunque para aquellos que se encuentran en Estados Unidos, Anki ha lanzado una campaña en Kickstarter para hacerse con un Vector por 199 dólares y recibirlo el próximo 9 de octubre. Es decir, llegará justo a tiempo para volverse en el juguete más buscado de la próxima Navidad, tal y como lo fue Cozmo en 2016.

Vector Anki 3

Vector Anki 2

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-
La noticia 'Vector', el nuevo y adorable robot con IA de Anki con el que buscan crear un compañero perfecto para el hogar fue publicada originalmente en Xataka por Raúl Álvarez .


          Lampe de bureau JUMO Eileen Grey      Cache   Translate Page   Web Page Cache   
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          Breakfast with AI- GloVe Vectors      Cache   Translate Page   Web Page Cache   
Comments
          Sparse Coding and Compressive Sensing for Overlapping Neural Spike Sorting      Cache   Translate Page   Web Page Cache   
Spike sorting is one of the key techniques to understand brain activity. With the development of modern electrophysiology technology, some recent multi-electrode technologies have been able to record the activity of thousands of neuronal spikes simultaneously. In this scenario, however, the recorded activity may be the overlap of multi-neuron spikes, which will degrade the sorting performance of existing cluster-based algorithms. In this paper, we introduce methods for overlapping spike sorting. The introduced methods start from a convolution model, where a sparse vector could be obtained via sparse coding or compressive sensing. Then, we use a maximum a posteriori estimate to optimize the sparse vector, which makes the overlapped spike sorting completed successfully. The advantage of the introduced method is that it performs better than traditional methods when the waveforms of the spikes are similar. In experiments, some synthetic and real spike data are used to testify the methods. The experiment results show that the introduced methods’ average sorting detection, defined as the ratio of successfully sorted spikes to the total spikes is nearly 4% higher than the traditional methods, under the condition of the experimental data with similar waveforms.
          Vector image for screen printing      Cache   Translate Page   Web Page Cache   
I need a vector of the design that is on the shirt (Budget: $10 - $30 USD, Jobs: Graphic Design)
          Personal Vector      Cache   Translate Page   Web Page Cache   
Track and organize your meetings within your company
          Sentimental Content Analysis and Knowledge Extraction from News Articles. (arXiv:1808.03027v1 [cs.CL])      Cache   Translate Page   Web Page Cache   

Authors: Mohammad Kamel, Neda Keyvani, Hadi Sadoghi Yazdi

In web era, since technology has revolutionized mankind life, plenty of data and information are published on the Internet each day. For instance, news agencies publish news on their websites all over the world. These raw data could be an important resource for knowledge extraction. These shared data contain emotions (i.e., positive, neutral or negative) toward various topics; therefore, sentimental content extraction could be a beneficial task in many aspects. Extracting the sentiment of news illustrates highly valuable information about the events over a period of time, the viewpoint of a media or news agency to these events. In this paper an attempt is made to propose an approach for news analysis and extracting useful knowledge from them. Firstly, we attempt to extract a noise robust sentiment of news documents; therefore, the news associated to six countries: United State, United Kingdom, Germany, Canada, France and Australia in 5 different news categories: Politics, Sports, Business, Entertainment and Technology are downloaded. In this paper we compare the condition of different countries in each 5 news topics based on the extracted sentiments and emotional contents in news documents. Moreover, we propose an approach to reduce the bulky news data to extract the hottest topics and news titles as a knowledge. Eventually, we generate a word model to map each word to a fixed-size vector by Word2Vec in order to understand the relations between words in our collected news database.


          Rhythm-Flexible Voice Conversion without Parallel Data Using Cycle-GAN over Phoneme Posteriorgram Sequences. (arXiv:1808.03113v1 [cs.SD])      Cache   Translate Page   Web Page Cache   

Authors: Cheng-chieh Yeh, Po-chun Hsu, Ju-chieh Chou, Hung-yi Lee, Lin-shan Lee

Speaking rate refers to the average number of phonemes within some unit time, while the rhythmic patterns refer to duration distributions for realizations of different phonemes within different phonetic structures. Both are key components of prosody in speech, which is different for different speakers. Models like cycle-consistent adversarial network (Cycle-GAN) and variational auto-encoder (VAE) have been successfully applied to voice conversion tasks without parallel data. However, due to the neural network architectures and feature vectors chosen for these approaches, the length of the predicted utterance has to be fixed to that of the input utterance, which limits the flexibility in mimicking the speaking rates and rhythmic patterns for the target speaker. On the other hand, sequence-to-sequence learning model was used to remove the above length constraint, but parallel training data are needed. In this paper, we propose an approach utilizing sequence-to-sequence model trained with unsupervised Cycle-GAN to perform the transformation between the phoneme posteriorgram sequences for different speakers. In this way, the length constraint mentioned above is removed to offer rhythm-flexible voice conversion without requiring parallel data. Preliminary evaluation on two datasets showed very encouraging results.


          The Buck-Passing Game. (arXiv:1808.03206v1 [cs.GT])      Cache   Translate Page   Web Page Cache   

Authors: Roberto Cominetti, Matteo Quattropani, Marco Scarsini

We consider a model where agents want to transfer the responsibility of doing a job to one of their neighbors in a social network. This can be considered a network variation of the public good model. The goal of the agents is to see the buck coming back to them as rarely as possible. We frame this situation as a game, called the buck-passing game, where players are the vertices of a directed graph and the strategy space of each player is the set of her out-neighbors. The cost that a player incurs is the expected long term frequency of times she gets the buck. We consider two versions of the game. In the deterministic one the players choose one of their out-neighbors. In the stochastic version they choose a probability vector that determines who of their out-neighbors is chosen. We use the finite improvement property to show that the deterministic buck-passing game admits a pure equilibrium. Under some conditions on the strategy space this is true also for the stochastic version. This is proved by showing the existence of an ordinal potential function. These equilibria are prior-free, that is, they do not depend on the initial distribution according to which the first player having the buck is chosen.


          Data-driven polynomial chaos expansion for machine learning regression. (arXiv:1808.03216v1 [stat.ML])      Cache   Translate Page   Web Page Cache   

Authors: E. Torre, S. Marelli, P. Embrechts, B. Sudret

We present a regression technique for data driven problems based on polynomial chaos expansion (PCE). PCE is a popular technique in the field of uncertainty quantification (UQ), where it is typically used to replace a runnable but expensive computational model subject to random inputs with an inexpensive-to-evaluate polynomial function. The metamodel obtained enables a reliable estimation of the statistics of the output, provided that a suitable probabilistic model of the input is available.

In classical machine learning (ML) regression settings, however, the system is only known through observations of its inputs and output, and the interest lies in obtaining accurate pointwise predictions of the latter. Here, we show that a PCE metamodel purely trained on data can yield pointwise predictions whose accuracy is comparable to that of other ML regression models, such as neural networks and support vector machines. The comparisons are performed on benchmark datasets available from the literature. The methodology also enables the quantification of the output uncertainties and is robust to noise. Furthermore, it enjoys additional desirable properties, such as good performance for small training sets and simplicity of construction, with only little parameter tuning required. In the presence of statistically dependent inputs, we investigate two ways to build the PCE, and show through simulations that one approach is superior to the other in the stated settings.


          Spurious Local Minima are Common in Two-Layer ReLU Neural Networks. (arXiv:1712.08968v3 [cs.LG] UPDATED)      Cache   Translate Page   Web Page Cache   

Authors: Itay Safran, Ohad Shamir

We consider the optimization problem associated with training simple ReLU neural networks of the form $\mathbf{x}\mapsto \sum_{i=1}^{k}\max\{0,\mathbf{w}_i^\top \mathbf{x}\}$ with respect to the squared loss. We provide a computer-assisted proof that even if the input distribution is standard Gaussian, even if the dimension is arbitrarily large, and even if the target values are generated by such a network, with orthonormal parameter vectors, the problem can still have spurious local minima once $6\le k\le 20$. By a concentration of measure argument, this implies that in high input dimensions, \emph{nearly all} target networks of the relevant sizes lead to spurious local minima. Moreover, we conduct experiments which show that the probability of hitting such local minima is quite high, and increasing with the network size. On the positive side, mild over-parameterization appears to drastically reduce such local minima, indicating that an over-parameterization assumption is necessary to get a positive result in this setting.


          Personal Vector      Cache   Translate Page   Web Page Cache   
Track and organize your meetings within your company
          Multi-Label Learning from Medical Plain Text with Convolutional Residual Models. (arXiv:1801.05062v2 [stat.ML] UPDATED)      Cache   Translate Page   Web Page Cache   

Authors: Xinyuan Zhang, Ricardo Henao, Zhe Gan, Yitong Li, Lawrence Carin

Predicting diagnoses from Electronic Health Records (EHRs) is an important medical application of multi-label learning. We propose a convolutional residual model for multi-label classification from doctor notes in EHR data. A given patient may have multiple diagnoses, and therefore multi-label learning is required. We employ a Convolutional Neural Network (CNN) to encode plain text into a fixed-length sentence embedding vector. Since diagnoses are typically correlated, a deep residual network is employed on top of the CNN encoder, to capture label (diagnosis) dependencies and incorporate information directly from the encoded sentence vector. A real EHR dataset is considered, and we compare the proposed model with several well-known baselines, to predict diagnoses based on doctor notes. Experimental results demonstrate the superiority of the proposed convolutional residual model.


          Towards Open-Set Identity Preserving Face Synthesis. (arXiv:1803.11182v2 [cs.CV] UPDATED)      Cache   Translate Page   Web Page Cache   

Authors: Jianmin Bao, Dong Chen, Fang Wen, Houqiang Li, Gang Hua

We propose a framework based on Generative Adversarial Networks to disentangle the identity and attributes of faces, such that we can conveniently recombine different identities and attributes for identity preserving face synthesis in open domains. Previous identity preserving face synthesis processes are largely confined to synthesizing faces with known identities that are already in the training dataset. To synthesize a face with identity outside the training dataset, our framework requires one input image of that subject to produce an identity vector, and any other input face image to extract an attribute vector capturing, e.g., pose, emotion, illumination, and even the background. We then recombine the identity vector and the attribute vector to synthesize a new face of the subject with the extracted attribute. Our proposed framework does not need to annotate the attributes of faces in any way. It is trained with an asymmetric loss function to better preserve the identity and stabilize the training process. It can also effectively leverage large amounts of unlabeled training face images to further improve the fidelity of the synthesized faces for subjects that are not presented in the labeled training face dataset. Our experiments demonstrate the efficacy of the proposed framework. We also present its usage in a much broader set of applications including face frontalization, face attribute morphing, and face adversarial example detection.


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          Vectors - Sale Backgrounds 45      Cache   Translate Page   Web Page Cache   

          Vectors - Ornamental Floral Frames 57      Cache   Translate Page   Web Page Cache   

          Vectors - Creative Origami Animals 10      Cache   Translate Page   Web Page Cache   

          This Week In Rust: This Week in Rust 246      Cache   Translate Page   Web Page Cache   

Hello and welcome to another issue of This Week in Rust! Rust is a systems language pursuing the trifecta: safety, concurrency, and speed. This is a weekly summary of its progress and community. Want something mentioned? Tweet us at @ThisWeekInRust or send us a pull request. Want to get involved? We love contributions.

This Week in Rust is openly developed on GitHub. If you find any errors in this week's issue, please submit a PR.

Updates from Rust Community

News & Blog Posts

Crate of the Week

This week's crate is warp, a fast, composable web framework. Thanks to Willi Kappler for suggestion!

Submit your suggestions and votes for next week!

Call for Participation

Always wanted to contribute to open-source projects but didn't know where to start? Every week we highlight some tasks from the Rust community for you to pick and get started!

Some of these tasks may also have mentors available, visit the task page for more information.

If you are a Rust project owner and are looking for contributors, please submit tasks here.

Updates from Rust Core

165 pull requests were merged in the last week

Approved RFCs

Changes to Rust follow the Rust RFC (request for comments) process. These are the RFCs that were approved for implementation this week:

No RFCs were approved this week.

Final Comment Period

Every week the team announces the 'final comment period' for RFCs and key PRs which are reaching a decision. Express your opinions now.

RFCs

No RFCs are currently in final comment period.

Tracking Issues & PRs

New RFCs

Upcoming Events

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If you are running a Rust event please add it to the calendar to get it mentioned here. Email the Rust Community Team for access.

Rust Jobs

Tweet us at @ThisWeekInRust to get your job offers listed here!

Quote of the Week

We put in a lot of work to make upgrades painless; for example, we run a tool (called “crater”) before each Rust release that downloads every package on crates.io and attempts to build their code and run their tests.

Rust Blog: What is Rust 2018.

Thanks to azriel91 for the suggestion!

Please submit your quotes for next week!

This Week in Rust is edited by: nasa42 and llogiq.


          7. MonoGame - Putting Text Onscreen With SpriteFonts      Cache   Translate Page   Web Page Cache   

Originally posted on: http://blog.loethen.net/cwilliams/archive/2017/02/22/243041.aspx

MonoGame – Putting Text Onscreen With SpriteFonts

In MonoGame, text is displayed on the screen in much the same way as sprites, or 2D images. The difference is in how you prepare the font and how you work with it.

To display text onscreen, you can create your own images of words, letters and numbers, and display them just like regular sprites, but this is incredibly time consuming and not very flexible, so instead we use a SpriteFont, which is a bitmap containing all the characters in a given font, pre-rendered at a specific size. Think of it as a SpriteSheet, only for letters, numbers and symbols, and you won’t be far off.

Creating the SpriteFont

In your Solution Explorer (below), double-click the Content.mgcb icon. (You may have to associate it with a program. If so, select MonoGame Content Builder.)

image

Once you have the MG Content Builder open, click the Add New Item button (below) and then select SpriteFont Description and enter a name for your SpriteFont.

image

This will create an XML file which you will need to add to your project, but first, let’s take a look inside:

image

You can open up your copy by right-clicking the file and selecting Open File. If you open it in notepad, it’s a bit of a mess, so I recommend using Notepad++ or Visual Studio so you can really see what’s going on.

For now, just focus on a couple of key areas… FontName and Size.  You’ll notice it’s currently set to Arial and 12, respectively.

Just for fun, change it to “Verdana” and “36”, and then save the file.

Go back to the ContentBuilder, and hit the F6 key to build your SpriteFont.  This is where the MonoGame Content Pipeline reads in your XML file, looks up the specified font on your system, and generates a spritesheet containing images of all of the characters in your font, at the specified size.

Assuming you didn’t introduce any typos, you’ll get a message saying the build was successful.

Go back to Visual Studio, and right click on the Content folder again and select Add –> Existing Item.

You’ll probably have to change the file filter to “All Files (*.*)” in order to see your SpriteFont file, so once you find it (in the Content folder), select it and add it to your project.

Now to just add a couple of lines of code, and we’re all set.

Displaying the SpriteFont

At the class level, in your Game1.cs file, right after the redMushroom variable, add this:

SpriteFont verdana36;

(If you didn’t follow the previous post, just add it right before the constructor.)

And in the LoadContent() method , add this right after the redMushroom line:

verdana36 = Content.Load<SpriteFont>("demo");

(Again, if you jumped in here, just put it at the end of the LoadContent() method, before the closing curly brace.)

I called mine demo.spritefont, but you DON’T put the extension in here or it will throw an error. If you named yours something different, be sure to change it.

Finally, inside the Draw() method, put this line in between the spriteBatch.Begin() and .End() methods:

spriteBatch.DrawString(verdana36, "I PUT TEXT ONSCREEN", new Vector2(0, 200), Color.White);

And if you didn’t follow from the previous post, add these lines instead:

spriteBatch.Begin();
spriteBatch.DrawString(verdana36, "I PUT TEXT ONSCREEN!!", new Vector2(50, 275), Color.White);
spriteBatch.End();

That’s it! You’re done.  Just hit F5 to see it in action.

image

Next Up… I’ll cover listening for (and responding to) input. If you came directly to this page, you can find the complete list of articles here.


          6. MonoGame - Putting a Sprite Onscreen      Cache   Translate Page   Web Page Cache   

Originally posted on: http://blog.loethen.net/cwilliams/archive/2017/02/16/242270.aspx

MonoGame - Putting a Sprite Onscreen

If you aren’t familiar with the term “sprite”, it refers to a two-dimensional (2D) graphical image that you can display onscreen. Sometimes they are individual images, and sometimes you can find them on what is called a SpriteSheet.

Here’s an example of a SpriteSheet:

We’ll come back to using SpriteSheets later, since that’s a little more complex than just putting a single image onscreen.

I’m going to use this image for now:

You can just right-click it and “Save As…” to your desktop or wherever, since we’ll be using it shortly.

If you haven’t already, create a new MonoGame Windows Project. (Take a look here for a refresher on the project types.)

Once you have the project created, you’ll want to add your sprite to the Content folder of your project. (right-click, Add,  Existing item…)

Mine is called red_mushroom.png so you should name yours that as well if you’re following along (or, you know, change it in the code… whatever.)

image

You’ll need to check the properties, and make sure Build Action is set to Content and Copy to Output is set to Copy if newer, like so:

image

Next, open up the Game1.cs file and add the following variable under the SpriteBatch definition, before the constructor:

        Texture2D redMushroom;

A Texture2D is how MonoGame (and XNA) refer to a two-dimension graphical asset.

Scroll down to the LoadContent() method and add this line:

        redMushroom = Content.Load<Texture2D>("red_mushroom");

The Content.Load<> is a generic that accepts a number of different types, including audio and 3D models. You can leave off the filename extension, or add it, it won’t make a difference, and it automatically looks in the Content folder by default!

Lastly, scroll down to the bottom of the file and add this to the Draw() method, before the call to base.Draw:

        spriteBatch.Begin();
        spriteBatch.Draw(redMushroom, new Vector2(0, 0), Color.White);
        spriteBatch.End();

I’m not going to go in much detail here about SpriteBatch, other than to say it provides a way to send multiple commands efficiently to your graphics card. We’ll dig into the SpriteBatch in a later post. The Draw() command has a lot of overloads, and the one we’re using takes the Texture2D, some coordinates, and a filter color. (Using white means we don’t change it at all. Try changing the color to Red or Blue and see what happens!!)

You’re done! Hit F5 and marvel in the glory of a giant red mushroom on a cornflower blue background.

image

Next up…

I’ll cover putting some text on screen. If you came directly to this page, you can find the complete list of articles here.


          West Nile virus found in East Palo Alto      Cache   Translate Page   Web Page Cache   
by Sue Dremann

West Nile Virus-carrying mosquitoes found in East Palo Alto are prompting vector-control officials to order spraying in neighborhoods near the baylands, officials have announced today.

          LEAD INFORMATION SECURITY ANALYST - VeriSign - Reston, VA      Cache   Translate Page   Web Page Cache   
Recognizing common attack vectors such as, recon scans, botnet, malware, command and control activity (C2), worms, trojans, and viruses....
From VeriSign - Sat, 21 Apr 2018 15:19:02 GMT - View all Reston, VA jobs
          Tier II SOC Analyst - Lunarline - Arlington, VA      Cache   Translate Page   Web Page Cache   
The SOC Analyst must have high-level knowledge of common attack vectors such as port scans, man-in-the-middle, DoS, DDoS, Trojans, viruses, and web application...
From Lunarline - Fri, 27 Jul 2018 21:23:31 GMT - View all Arlington, VA jobs
          Boehringer, Oxford BioMedica join on CF gene therapy project      Cache   Translate Page   Web Page Cache   

Securing Oxford BioMedica's participation is indicative of the manufacturing hurdles present in gene therapy, particularly involving lentiviral vectors. 


          LAMPE JIELDE: LOT DE PIECES POUR LAMPES JIELDE, DECO INDUS, LOFT, ATELIER, USINE      Cache   Translate Page   Web Page Cache   
1,00 EUR (1 Enchère)
Date de fin: lundi août-13-2018 20:19:52 CEST
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          lampe jielde 1 bras      Cache   Translate Page   Web Page Cache   
40,00 EUR (1 Enchère)
Date de fin: jeudi août-16-2018 19:00:12 CEST
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          Socle pour lampe JIELDE      Cache   Translate Page   Web Page Cache   
12,00 EUR
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          lampe atelier articulée 4 bras no jielde      Cache   Translate Page   Web Page Cache   
122,00 EUR
Date de fin: vendredi sept.-7-2018 19:26:10 CEST
Achat immédiat pour seulement: 122,00 EUR
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          lampe industrielle JIELDE       Cache   Translate Page   Web Page Cache   
100,00 EUR (1 Enchère)
Date de fin: samedi août-18-2018 21:21:27 CEST
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          ancienne lampe d'atelier articulé(No jielde, usine, industrielle) dans son jus      Cache   Translate Page   Web Page Cache   
20,00 EUR (0 Enchères)
Date de fin: samedi août-18-2018 21:33:33 CEST
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          lampe jielde lack lac laq      Cache   Translate Page   Web Page Cache   
250,00 EUR (0 Enchères)
Date de fin: mercredi août-15-2018 21:10:40 CEST
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          Jieldé Lampe Liseuse Projecteur Vintage Atelier Industriel      Cache   Translate Page   Web Page Cache   
292,00 EUR (0 Enchères)
Date de fin: mercredi août-15-2018 22:45:29 CEST
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          Lampe Jieldé deux bras avec étau      Cache   Translate Page   Web Page Cache   
280,00 EUR (0 Enchères)
Date de fin: mardi août-14-2018 17:05:12 CEST
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          Globe reflecteur N11 jielde JLD lampe industrielle applique       Cache   Translate Page   Web Page Cache   
29,99 EUR
Date de fin: vendredi sept.-7-2018 21:51:14 CEST
Achat immédiat pour seulement: 29,99 EUR
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          Base support socle pour pied lampe Jieldé      Cache   Translate Page   Web Page Cache   
44,99 EUR (0 Enchères)
Date de fin: lundi août-13-2018 19:54:30 CEST
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          Vintage ancien étau Lampe Industrielle Atelier JIELDE Vise Clamp Lamp 1950 50's✅      Cache   Translate Page   Web Page Cache   
39,00 EUR (0 Enchères)
Date de fin: jeudi août-16-2018 21:41:02 CEST
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          Cake Logo Design - Bake Business Logo Design and Watermark - Bakery Logo - Bakery branding by StyleGraphicDesign      Cache   Translate Page   Web Page Cache   

15.00 USD

Bakery branding, modern cake logo design and watermarks!

~ Personalization:
-Name (and tagline if there is) will be change to your business name!
-Also colors can change !
Of course my watermarks and the background photo will be removed!

*Please with your order let me know the color you prefer your business name and the tag line if there is !

* The logo has a transparent background the background photo in the preview is just for proof!

After 1-2 days from your order you will receive in your mail the files for print and web resolution!

~The files you receive to your mail are:
.jpg ( for web) , web resolution, for general use on web (2 sizes for web use like sites/avatars)
.gif ( for web) , web resolution, for general use on web (2 sizes for web use like sites/avatars)
.png (for web), with transparent background for web use (2 sizes)
.png (for web), your logo black & white color with transparent background for web use (2 sizes)
.eps ( for print), high resolution. The original format, vector editable and resizable file in 300 dpi (CMYK color system)
.psd (for print) the photoshop file flattened
.jpg ( for print), high resolution (the file is about 25cmx25cm - 300 dpi CMYK color system)
.abr (watermark) photoshop brush

*This logo will only be sold once!

If you have any questions please let me know!
*I can send you a preview file with your business name and colors before your order!

-More OOAK logos here:
http://www.etsy.com/shop/StyleGraphicDesign


          Ethical Hacking - Capture the Flag Walkthroughs      Cache   Translate Page   Web Page Cache   
Ethical Hacking - Capture the Flag Walkthroughs
Ethical Hacking - Capture the Flag Walkthroughs
.MP4, AVC, 1000 kbps, 1280x720 | English, AAC, 128 kbps, 2 Ch | 2h 57m | 2.36 GB
Created by Professor K

Video and lab Walkthroughs for Capture the Flag Exercises

Using the hacking methodology, this course will teach you how to use the those pentesting tools to enumerate and gain root access. Over the span of the course, you will learn the different attack vectors used to exploit a target.


          Anki's Vector Is a Little AI-Powered Robot Now on Kickstarter for $200      Cache   Translate Page   Web Page Cache   
Is this the personal home robot we've been waiting for? No, but Vector will make you smile
          ASSISTANT PROFESSOR - INSECT VECTOR BIOLOGIST / INSECT PHYSIOLOGIST - University of Wisconsin–Madison - Madison, WI      Cache   Translate Page   Web Page Cache   
Assistant Professor - Insect Vector Biologist / Insect Physiologist. Position Vacancy ID:....
From University of Wisconsin–Madison - Mon, 30 Apr 2018 06:48:38 GMT - View all Madison, WI jobs
          Building Information Modeling (BIM) Extraction Software Market Forecast with Global Key Companies Profile, Supply, Demand, Cost Structure Till 2026      Cache   Translate Page   Web Page Cache   

The global building information modeling (BIM) extraction software market is projected to expand at a CAGR of 10.1% during the forecast period of 2018 to 2026.

Albany, NY -- (SBWIRE) -- 08/09/2018 -- The BIM extraction software market report provides analysis for the period 2016 – 2026, wherein the period from 2018 to 2026 is the forecast and 2017 is the base year. The report covers all the major trends and technologies playing an influential role in the market's growth over the forecast period. It also highlights the drivers, restraints, and opportunities for the analysis of market growth during the said period. The study provides a complete perspective on the global BIM extraction software market's evolution throughout the above mentioned forecast period in terms of revenue (US$ Mn).

Click here -> To Get Sample Copy of Report @ https://www.mrrse.com/sample/16348

The market overview section of the report demonstrates market dynamics such as the drivers, restraints, and opportunities that influence the current nature and future status of this market, macro-economic factors, regulations and policies, BIM lifecycle, ecosystem analysis, Porter's Five Force Analysis, and PESTEL analysis of the market. Further, macro-economic factors included in the report provide key regional socio-political-technological developments and their impact considerations. A market attractiveness analysis has been provided for every segment in the report, in order to provide a thorough understanding of the overall scenario in the BIM extraction software market. The report also provides an overview of various strategies adopted by the key players present in the market.

Global Building Information Modeling (BIM) Extraction Software Market: Scope of the Report

The report segments the market on the basis of components which are software deployment (on premise software, cloud-based software). On the basis of end use industry, the market is segmented into water and wastewater, rail transit and aviation, energy generation facilities, roads, bridges, and highways, houses and apartments, factories and warehouses, educational institutes and commercial spaces, government buildings, dams and others. The report provides in-depth segment analysis of the global BIM extraction software market, thereby providing valuable insights at the macro as well as micro levels. Additionally, the report comprises a competitive scenario and trends in which the BIM extraction software market concentration rate, mergers & acquisitions, and expansions undertaken by companies are provided.

The report also highlights the competitive landscape of the global BIM extraction software market, positioning all the major players according to their presence in different regions of the world and recent key developments initiated by them in the BIM extraction software market. The comprehensive BIM extraction software market estimates are the result of our in-depth secondary research, primary interviews, and in-house expert panel reviews. These market estimates have been analyzed by taking into account the impact of different political, social, economic and technological factors along with the current market dynamics affecting the BIM extraction software market growth.

This report provides all the essential information required to understand the key developments in the BIM extraction software market, and growth trends of each segment and region. It also includes basic overview, sales area/geographical presence, revenue, SWOT analysis, and strategy and developments under the company profile section. Also, the report provides insights related to trends and their impact on the market. Furthermore, Porter's Five Forces analysis explains the five forces namely buyers bargaining power, suppliers bargaining power, threat of new entrants, threat of substitutes, and degree of competition in the BIM extraction software market. This report also provides a comprehensive ecosystem analysis of the BIM extraction software market. It explains the various participants including BIM software vendors and BIM extraction software vendors within the ecosystem of the market.

Click here -> Download Complete PDF Report with TOC @ https://www.mrrse.com/building-information-modeling-extraction-software-market

Global Building Information Modeling (BIM) Extraction Software Market: Research Methodology

The research methodology is a perfect combination of primary research, secondary research, and expert panel reviews. Secondary research sources such as annual reports, company websites, broker reports, financial reports, SEC filings and investor presentations, national government documents, internal and external proprietary databases, statistical databases, relevant patent and regulatory databases, market reports, government publications, statistical databases, World Bank database, construction projects by region & end use industry, and industry white papers are referred.

Primary research involves telephonic interviews, e-mail interactions, and face-to-face interviews for detailed and unbiased reviews on the BIM extraction software market, across geographies. Primary interviews are usually conducted on an ongoing basis with industry experts and participants in order to get latest market insights and validate the existing data and analysis. Primary interviews offer first-hand information on important factors such as market trends, market size, competitive landscape, growth trends and outlook etc. These factors help to validate and strengthen secondary research findings and also help to develop the analysis team's expertise and market understanding. Moreover, the data collected and analyzed from secondary and primary research is again discussed and examined by our expert panel.

Global Building Information Modeling (BIM) Extraction Software Market: Competitive Dynamics

The research study includes profiles of leading companies operating in the global BIM extraction software market. Some of the key players profiled in the market include Autodesk, Inc., AVEVA Group plc, Bentley Systems, Inc., FARO Technologies, Inc., Tekla Corporation, Safe Software, Inc., Vectorworks, Inc., Microsoft Corporation, Synchro Software, Nemetschek Group, PointCab GmbH, Gexcel srl, Assemble Systems, SierraSoft, Innovaya, ClearEdge3D, Inc., Leica, Geo-Plus, Technodigit SARL, and Trimble, Inc.

The global building information modeling (BIM) extraction software market is segmented as below:

Global Building Information Modeling (BIM) Extraction Software Market, by Software Deployment

On Premise Software

Cloud-based Software

Global Building Information Modeling (BIM) Extraction Software Market, by End Use Industry

Water and Wastewater

Rail Transit and Aviation

Energy Generation Facilities

Roads, Bridges, and Highways

Houses and Apartments

Factories and Warehouses

Educational Institutes and Commercial Spaces

Government Buildings

Dams and Others

Place an Enquiry or Ask Question to Our Researcher @ https://www.mrrse.com/enquiry/16348

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MRRSE partners exclusively with leading global publishers to provide clients single-point access to top-of-the-line market research. MRRSE's repository is updated every day to keep its clients ahead of the next new trend in market research, be it competitive intelligence, product or service trends or strategic consulting.

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          TDO 2018-08-09: Apple and Privacy Protection      Cache   Translate Page   Web Page Cache   

Adam Christianson from the Maccast and Andrew Orr join Jeff Gamet to share their thoughts on whether or not Apple is doing enough to protect our privacy, plus they have some first impressions on Anki’s new Vector robot.


          La fiebre hemorrágica de Crimea-Congo y otras enfermedades exóticas que han venido a España para quedarse      Cache   Translate Page   Web Page Cache   
Fiebre hemorrágica de Crimea-Congo, infección por el virus del Nilo Occidental, Anaplasmosis, Debonel, Rickettsia monacensis...Estas enfermedades, cuyos nombres apenas pueden pronunciarse, han llegado a España para quedarse. Se trata de patologías, algunas viejas conocidas, que han vuelto a ponerse en el foco, o más bien en la lente de los microscopios porque, por diversas causas, están reapareciendo dentro o muy cerca de nuestras fronteras. Quizás, el más inesperado ha sido el virus de Crimea-Congo. El virus, que utiliza como vector (el “vehículo” para atacar) una garrapata, la Hyalomma marginatum, se cobró la vida de un hombre de 74 años en Ávila. El paciente había participado a finales de julio en una actividad cinegética en la localidad pacense de Helechosa de los Montes, donde sufrió la picadura de una garrapata, lo que hizo sospechar sobre sobre una posible infección transmitida por este ácaro, informe Ep. Pero no es la primera vez que se registran casos en nuestro país. En agosto de 2016, un hombre de 62 años murió también por esta enfermedad. El caso obligó a la Consejería de Sanidad de Madrid a activar un protocolo similar al del ébola al comprobar que una enfermera se contagió al atenderlo en el Hospital Carlos III de Madrid. ¿Por qué, de repente, surgen casos de Crimea-Congo?. Teníamos los ingredientes necesarios para que ocurriera: los animales que actúan como reservorios (garrapata, roedores…), el virus circulando y las condiciones climatológicas necesarias. El contagio de una persona que paseaba por el campo o realizaba una actividad cinegética al recibir la picadura de una garrapata parecía solo una cuestión de mala suerte. Sin embargo, algunos expertos ven razones que van más allá de las casualidades, entre ellas, el cambio climático y el aumento de las temperaturas. «Sabemos por modelos experimentales que algunas garrapatas se vuelven más agresivas y pican más al elevarse la temperatura», señala José Antonio Oteo, jefe del departamento de Enfermedades Infecciosas del Centro de Investigación Biomédica de La Rioja. El cambio climático, de hecho, también puede haber influido en las modificaciones de las rutas realizadas por aves migratorias que también actúan como distribuidoras de vectores. «La hipótesis mejor documentada es que este virus ha entrado recientemente en España a través de garrapatas vehiculadas por aves migratorias, ya que las secuencias genéticas de los virus de las garrapatas de las aves que recogimos en Marruecos, son las mismas que las que encontramos en España y son de estirpe africana». Justo Menéndez, responsable de Enfermedades Tropicales del Hospital HM Sanchinarro y miembro de la plataforma Doctoralia suscribe esta hipótesis. «Lugares donde las temperaturas eran frías y ahora son templadas están haciendo que virus, bacterias o parásitos subsistan en zonas donde antes no era posible». El factor suerte Sin embargo, no se deja de lado el azar. «Este virus está presente en Asia, América, África y Europa. Pese a ello, es difícil contraer la enfermedad ya que de 100 picaduras de garrapatas infectadas, solo el 10 por ciento producen síntomas», señala Menéndez. Pero evitar la aparición de casos es imposible porque acabar con las garrapatas supondría un gran desequilibrio para el ecosistema. La única solución son las vacunas. «Tiene más impacto la globalización que el calentamiento global. España, además, tiene una localización especial en el mundo, clima subtropical y puente entre Europa y África donde pasan inmigrantes, turistas y aves migratorias. Es un corredor de importancia», opina José Antonio Pérez Molina, médico del Centro de Referencia Nacional de Medicina Tropical del Hospital Ramón y Cajal. Estos desplazamientos, en los que también se cuentan los realizados por motivos comerciales, hacen difícil descartar la aparición de enfermedades como el zika. Otra afección que «ha viajado» gracias al movimiento migratorio es el virus del Nilo Occidental. En 1999, provocó un brote en Nueva York y se propagó por Estados Unidos. En España, concretamente en Andalucía, se han confirmado este verano dos casos de Virus del Nilo. No bajar la guardia Mayor atención merece la encefalicitis centroeuropea, transmitida por un virus que tiene como vector una garrapata, igual que en el caso de Crimea-Congo y que afecta al sistema nervioso central. Está presente en Alemania, Austria, o Suiza. Y se dan las condiciones para que aparezca en España. «No hay que bajar la guardia, podrían aparecer nuevas enfermedades pero España tiene una infraestructura sanitaria que impediría una epidemia», defiende Ángel Gil, del Comité técnico español que investiga el Crimea-Congo. Gil recuerda que ya hay otras patologías transmitidas por garrapatas en España. Las que se consideran emergentes y que se han dado en humanos son la Anaplasmosis, la Rickettsia monacensis o Debonel. Esta última, de hecho, la transmite una bacteria «nueva» y descubierta solo en España, concretamente en la Rioja, de ahí su nombre: Rickettsia rioja. Otra enfermedad emergente es la Neoehrlichia mikurensis, que aún no ha provocado casos «pero habrá porque está circulando y lo transmite una garrapata que pica a personas», sentencia Oteo. Nada de esto parece preocupar demasiado a Europa. «Hay mucha distancia entre la percepción del riesgo por la aparición de enfermedades infecciosas y el riesgo real. Tanto la la infra como la sobrevaloración suelen ser muy comunes. Por ejemplo, no consideraría un riesgo para los turistas viajar a España después de estos casos de fiebre hemorrágica. Ni siquiera Turquía, en donde ha habido unos cientos de casos», señala Matthias Niedrig, miembro de la Red Europea para el Diagnóstico de Enfermedades Víricas Importadas (ENIVID, por sus siglas en inglés).
          Overbounding Risk for Quadratic Monitors With Arbitrary Noise Distributions      Cache   Translate Page   Web Page Cache   
This paper derives equations to bound missed-detection and false-alarm probabilities for a quadratic monitor subject to vector noise with an uncertain, non-Gaussian probability density function (PDF). The bounding equation offers utility for the verification of safety-of-life navigation systems, in terms of both robustness and computational efficiency. Robustness is achieved in that the noise PDF need not be known precisely, so long as the PDF can be appropriately bracketed. Computational efficiency is achieved by transforming non-Gaussian PDFs into a Gaussian form that contributes to fast, repeated evaluations across a great many fault scenarios.
          Adaptive Radon–Fourier Transform for Weak Radar Target Detection      Cache   Translate Page   Web Page Cache   
The Radon–Fourier transform (RFT) with a long coherent integration time has recently been proposed for detecting a moving target with an across range cell (ARC) effect. However, without effective clutter suppression, clutter will also be integrated via the RFT, which may affect weak target detection. Based on the maximal signal-to-clutter-plus-noise ratio (SCNR) criteria, a novel adaptive RFT (ARFT) is proposed in this paper to effectively detect a “low-observable” target in a clutter background. The proposed ARFT can combine RFT and adaptive clutter suppression by introducing an optimal filter weight, which is determined from the clutter's covariance matrix as well as a steering vector for a moving target with the ARC effect. In the transformed range-velocity space, the proposed ARFT can suppress background clutter and optimally integrate the target's energy. Nevertheless, with the increase in the integration time, the ARFT needs to address two difficulties in its real implementation. One is the lack of independently and identically distributed (i.i.d.) training samples in a heterogeneous clutter background, and the other is that the computational complexity is too high due to the large number of pulse samples. Therefore, a subaperture ARFT (SA-ARFT) is further proposed in this paper. It divides all coherent pulse samples into several subapertures and accomplishes adaptive clutter suppression in each subaperture. Subsequently, SA-ARFT implements coherent integration among the outputs of different subapertures. The proposed SA-ARFT method can obtain a similar SCNR improvement factor (SCNR IF) with a large number of i.i.d. training samples, while it can obtain a much higher SCNR IF than the ARFT with limited i.i.d. training samples and much lower computational complexity in a heterogeneous clutter background. Finally, some numerical results are provided to demonstrate the effectiveness of the two proposed methods.
          Deep convolutional autoencoder for radar-based classification of similar aided and unaided human activities      Cache   Translate Page   Web Page Cache   
Radar-based activity recognition is a problem that has been of great interest due to applications such as border control and security, pedestrian identification for automotive safety, and remote health monitoring. This paper seeks to show the efficacy of micro-Doppler analysis to distinguish even those gaits whose micro-Doppler signatures are not visually distinguishable. Moreover, a three-layer, deep convolutional autoencoder (CAE) is proposed, which utilizes unsupervised pretraining to initialize the weights in the subsequent convolutional layers. This architecture is shown to be more effective than other deep learning architectures, such as convolutional neural networks and autoencoders, as well as conventional classifiers employing predefined features, such as support vector machines (SVM), random forest, and extreme gradient boosting. Results show the performance of the proposed deep CAE yields a correct classification rate of 94.2% for micro-Doppler signatures of 12 different human activities measured indoors using a 4 GHz continuous wave radar—17.3% improvement over SVM.
          Adaptive Sensor Selection for Nonlinear Tracking via Sparsity-Promoting Approaches      Cache   Translate Page   Web Page Cache   
In this paper, we propose a few sparsity-promoting approaches for sensor selection in wireless sensor networks (WSNs) to reach the optimal tradeoff between the tracking performance and the sensing-communication cost. The proposed framework is valid for general nonlinear target tracking without explicit linearization and not restricted to any specific estimator. We formulate the sensor selection problem as the design of a sparse selection vector. The cardinality of the selection vector is added as a sparsity-promoting penalty term to the cost function where the conditional posterior Cramér–Rao lower bound is used as the criterion for sensor selection. To cope with large-scale WSNs, by combining iterative reweighted $ell _1$ -norm minimization with the accelerated proximal gradient method and the alternating direction method of multipliers (ADMM), we develop two efficient sensor selection algorithms, respectively. We further develop a low-complexity distributed version of the ADMM where each sensor makes a local sensor selection decision. We test the proposed algorithms by simulations based on an extended Kalman filter using analog data and a particle filter using quantized data, respectively, which provide valuable insights and demonstrate the proposed algorithms’ performance.
          Fast Angle Estimation for MIMO Radar With Nonorthogonal Waveforms      Cache   Translate Page   Web Page Cache   
In this letter, a fast angle-estimation method for multiple-input-multiple-output radar with nonorthogonal waveforms is devised. This method first estimates the noise-free covariance matrix by exploiting its low-rank property as well as the sparse structure of the noise-covariance matrix. A subspace-based procedure is then developed to determine the directions-of-arrival (DOAs) based on the matrix composed of the principal eigenvectors of the noise-free covariance-matrix estimate. Compared with the state-of-the-art prewhitening algorithm, the proposed method does not need the knowledge of the correlation matrix of transmitted waveforms. Moreover, it is computationally attractive since the DOAs can be estimated in closed form. In addition, the proposed method offers promising DOA-estimation performance as verified by simulation results.
          Anki为Vector机器人伴侣发起众筹 被赋予更多个性      Cache   Translate Page   Web Page Cache   

“Vector”是 Anki 在“Drive”之后推出的第四款主要产品,在 2013 年的苹果开发者大会的主题演讲期间,我们曾见到过后续的“Overdrive”和“Cozmo”—— 该公司首款独立型机器人。不过近日,这家机器人兼 AI 初创企业在 Kickstarter 上发起了众筹,声称 Vector 被赋予了更多的个性。据悉,Vector 是一款全自助、云连接、永远在线式的机器人,它可以通过视觉、触觉和声音来了解周围的环境。

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          How Sweet! Chocolate Text Vector Effect Tutorial      Cache   Translate Page   Web Page Cache   

Create beautiful chocolate text vector effects ready for candy packaging or advertisements in no time flat! Tutorial Details: How Sweet! Chocolate Text Vector Tutorial Program: Adobe Illustrator CC Difficulty: Intermediate Topics Covered: Gradients, Blends, and Drop Shadows Estimated Completion Time: 45 Minutes Final Image: How Sweet! Chocolate Text Vector Tutorial Step 1: Chocolate Text Vector Start […]

The post How Sweet! Chocolate Text Vector Effect Tutorial appeared first on Vectips.


          Upstream Manufacturing Associate      Cache   Translate Page   Web Page Cache   
MD-Gaithersburg, Job Title: Upstream Manufacturing Associate Location: Gaithersburg, MD Duration: 6 months, contract to hire Shift: M-F 8am-5pm with occasional long days and weekends RESPONSIBILITIES: 1. All aspects of cell culture operations for the manufacture of lentiviral vectors. The unique duties of this position consist of media preparation, thawing and expansion of adherent and suspension cell cultures, se
          Abeona Therapeutics Reports Second Quarter 2018 Financial Results and Business Highlights      Cache   Translate Page   Web Page Cache   
...rare blood diseases. In addition, Abeona is developing a proprietary vector platform, AIM™, for next generation product candidates. For more information, visit www.abeonatherapeutics.com. Investor Contact: Christine Silverstein SVP, Finance & Investor Relations Abeona Therapeutics Inc. +1 (646) 813-4707 csilverstein@abeonatherapeutics ...

          (USA-CA-Oxnard) Production Artist      Cache   Translate Page   Web Page Cache   
**Production Artist in Oxnard, CA at Volt** # Date Posted: _8/9/2018_ # Job Snapshot + **Employee Type:** Contingent + **Location:** 420 Lombard Street Oxnard, CA + **Job Type:** Trades + **Duration:** 48 weeks + **Date Posted:** 8/9/2018 + **Job ID:** 130517 + **Pay Rate** $16.0 - $17.0/Hour + **Contact Name** Volt Branch + **Phone** 805/560-8658 # Job Description Volt Workforce Solutions has partnered with a great company in Oxnard and we are looking for a Production Artist. This position will be working with a busy production based company who is a leader in their industry. Please see the description below and send us your resume today! # Position Summary Creates pre-print files and digital proofs for orders. # Required Experience Must have moderate knowledge and experience with Adobe Illustrator. # Qualifications of an ideal candidate Strong attention to detail, ability to multi-task, and manage time appropriately to ensure orders are processed efficiently. Need solid communication and writing skills, with a positive approach when in contact with customers to make suggestions for improvements. Must be able to work well individually as well as within a team. Need individuals who can effectively work in a fast-paced environment, while maintaining focus on each order individually. Good attendance and punctuality are required. Must have a flexible schedule after hours. # Duties and Responsibilities + Create pre-print files and digital proofs based on customer supplied art and order specifications. + Ensure all orders are entered and set up with 100% accuracy. + Adjust vector artwork in Illustrator in accordance with printing requirements. + Make necessary adjustments to size, layout, imprint colors, or items in order to ensure end result is the best possible printing outcome. + Ensure orders are managed responsibly and in a timely manner. + Contact customers regarding clarifications or questions regarding instructions or potential issues during the printing process; be able to correctly and clearly communicate such potential issues in an easily understandable manner. # Physical Demands While performing a portion of the listed duties, sitting for long periods of time are required. # Work Environment The noise level in the work environment is usually quiet to moderate. **Volt is an Equal Opportunity Employer** In order to promote this harmony in the workplace and to obey the laws related to employment, Volt maintains a strong commitment to equal employment opportunity without unlawful regard to race, color, national origin, citizenship status, ancestry, religion (including religious dress and grooming practices), creed, sex (including pregnancy, childbirth, breastfeeding and related medical conditions), sexual orientation, gender identity, gender expression, marital or parental status, age, mental or physical disability, medical condition, genetic information, military or veteran status or any other category protected by applicable law.
          (USA-CA-Irvine) Engineer, Chassis Electrical Integration      Cache   Translate Page   Web Page Cache   
Engineer, Chassis Electrical Integration in Irvine, CA at Volt # Date Posted: _8/9/2018_ # Job Snapshot + **Employee Type:** Contingent + **Location:** 9950 Jeronimo Road Irvine, CA + **Job Type:** Engineering Disciplines + **Duration:** 24 weeks + **Date Posted:** 8/9/2018 + **Job ID:** 131274 + **Pay Rate** $50.0 - $60.0/Hour + **Contact Name** Volt Branch + **Phone** 714-921-7460 # Job Description Volt Workforce Solutions is currently looking for an Experienced Electrical Integration Engineer with an automotive background. This candidate will be responsible for defining software and electrical requirements for Brake Controls, Electric Parking Brake, Driver Assistance features and other electrical systems to ensure compatibility and meet functional requirements. **Education and Experience:** + BS Engineering (Mechanical or Electrical Engineering preferred) minimum + Service technician certifications a plus + 5-10 years’ experience in automotive Chassis Electrical System development, preferably Brake Control Systems + Strong knowledge of brake control and electric park brake systems at the system architecture or system development level. + Experience with basic objective brake system measurement tools, equipment and data analysis. + Experience in at least one or more of the following: Visual Studio, Vector Canalyzer, CAPL, Labview , MatLab, Simulink, or PiSnoop. + Experience in one or more of the following communication protocols; ODX, UDS, CAN, LIN, GMLAN, OBDII, KWP2000. **Volt is an equal opportunity employer.** In order to promote this harmony in the workplace and to obey the laws related to employment, Volt maintains a strong commitment to equal employment opportunity without unlawful regard to race, color, national origin, citizenship status, ancestry, religion (including religious dress and grooming practices), creed, sex (including pregnancy, childbirth, breastfeeding and related medical conditions), sexual orientation, gender identity, gender expression, marital or parental status, age, mental or physical disability, medical condition, genetic information, military or veteran status or any other category protected by applicable law.
          #明潮勸敗開箱 #明潮贈獎 今年夏天就等這一雙!      Cache   Translate Page   Web Page Cache   
#明潮勸敗開箱 #明潮贈獎

今年夏天就等這一雙!超夯男團Wanna One 워너원強力引爆Reebok復古老爹鞋第二彈!簡約復古的Royal Bridge 2.0搭配超夯男團震撼彈第二波攻勢,於8月10開賣,鞋側由Reebok Vector線條撞色呈現,搭配特厚中底的經典造型,就是要你跟著Wanna One一起越穿越可愛。

即日起~8/17
於本貼文下方留言,截圖留言你喜歡哪一款配色,並tag一位好友,就有機會獲得只送不賣的Reebok x Wanna One限量拼圖 乙份!

*明潮享有最終活動修改權利
*得獎者需自付郵資領取贈品
          Estudo da quebra da simetria eletrofraca através do espelhamento W ±W ± no experimento CMS do CERN.      Cache   Translate Page   Web Page Cache   

by: Buarque Franzosi, D. (Rio de Janeiro State U.)

Abstract:
This work presents a study of W+W+ and W−W− scattering for the first years of the CMS experiment data-taking at LHC, CERN. Vector boson scattering, including W±W±, is a key processes for probing electroweak symmetry breaking. Theoretical predictions show that kinematics characteristics of vector boson scattering at T e V scale must strongly depend on the electroweak symmetry breaking mechanism. This process is analyzed with two main objectives: viability study of performing this measurement at CMS and show its dependence on the electroweak symmetry breaking mechanism. This dependence is shown through an analysis with two event samples corresponding to two distinct scenarios: the standard model with the presence of a 500 GeV massive Higgs boson and the standard model without presence of a Higgs boson. These samples were generated by the Monte-Carlo generator PHASE, whose main importance for vector boson scattering at high energies is its characteristic of calculating the complete matrix elements in leading order O(α6). To analyze the viability of measuring the W±W± scattering at CMS, the simulated signal and background events were submitted to the CMS fast detector simulation, FAMOS. Background processes, WW+N jets, WZ+N jets, ZZ+N jets, W+N jets and t¯t+N jets, were studied and suppressed through kinematics region selection. Data analysis shows that the measurement of W±W± scattering in early stages of LHC will be very difficult, being necessary a larger luminosity, besides improvements on the analysis. Este trabalho apresenta um estudo sobre o espalhamento W+W+ e W−W− para os primeiros anos de tomada de dados do experimento CMS do LHC, no CERN. O processo de espalhamento de bósons vetoriais, dentre os quais se inclui o espalhamento W±W±, é um processo chave para elucidação do mecanismo de quebra de simetria eletrofraca. Previsões teóricas mostram que as características cinemáticas do espalhamento de bósons vetoriais na escala T e V de energia devem depender significativamente do mecanismo que quebra a simetria eletrofraca. Este processo será analisado com dois objetivos principais: estudar a viabilidade de medi-lo em altas energias no CMS, e mostrar a sua sensibilidade ao mecanismo da quebra de simetria eletrofraca. Esta sensibilidade será mostrada através da análise de duas amostras de eventos correspondentes a dois cenários distintos: o modelo padrão com a presença de um bóson de Higgs de massa 500 GeV e o modelo padrão sem a presença do bóson de Higgs. Estas amostras foram geradas com o gerador de eventos PHASE, cuja principal importância para o estudo do espalhamento de bósons vetoriais em altas energias e a sua capacidade de calcular o elemento de matriz completo em ordem dominante O(α6). Para se analisar a viabilidade de se medir o espalhamento W±W± no CMS, foi feita uma simulação do detector utilizando as amostras dos processos de sinal e dos principais processos de fundo através do pacote de simulação rápida do CMS, o FAMOS. Os processos de fundo, WW+N jatos, WZ+N jatos, ZZ+N jatos, W+N jatos e t¯t+N jatos, foram estudados e suprimidos através de seleções de regiões cinemáticas. A análise dos dados mostra que a observação do espalhamento W±W± na fase inicial do LHC será muito difícil, sendo necessária uma luminosidade maior, além de aprimoramento da análise.
          Procura do bóson de Higgs a partir da fusão de bósons vetoriais no Experimento CMS      Cache   Translate Page   Web Page Cache   

by: Martins, J. (Rio de Janeiro State U.)

Abstract:
This analysis aims to determine the luminosity required to impose an exclusion limit and significance for evidence and discovery for a Higgs boson of mH = 200 GeV on the channel qqH → ZZ → 4µ. Also, it presents a critical to the quality of the relation signal/background in vector boson fusion events known form the current literature. O presente trabalho tem por finalidade determinar a luminosidade necessária para se impor um limite para exclusão e a signifucância para evidência e descoberta para um bóson de Higgs de mH = 200 GeV no canal qqH → ZZ → 4µ. Também, apresenta-se uma crítica a qualidade da relação sinal/fundo em eventos de fusão de bósons vetoriais conhecida da literatura atual.
          Remove Python list item      Cache   Translate Page   Web Page Cache   

I have two list,

l1 = [1,2,3,4,5,6] l2 = [3,2]

what i want is to remove the element of list l1 which is in l2, for that i have done something like this,

for x in l1: if x in l2: l1.remove(x)

it gives output like

[1, 3, 4, 5, 6]

but the output should be like

[1, 4, 5, 6]

can any one shed light on this.

This is easily explained like this.

consider the first array you have:

| 1 | 2 | 3 | 4 | 5 | 6 |

Now you start iterating

| 1 | 2 | 3 | 4 | 5 | 6 | ^

Nothing happens, iterator increments

| 1 | 2 | 3 | 4 | 5 | 6 | ^

2 gets removed

| 1 | 3 | 4 | 5 | 6 | ^

iterator increments

| 1 | 3 | 4 | 5 | 6 | ^

And voila, 3 is still there.

The solution is to iterate ove a copy of the vector e.g.

for x in l1[:]: <- slice on entire array if x in l2: l1.remove(x)

or to iterate in reverse:

for x in reversed(l1): if x in l2: l1.remove(x)

Which acts like this:

| 1 | 2 | 3 | 4 | 5 | 6 | ^ | 1 | 2 | 3 | 4 | 5 | 6 | ^ | 1 | 2 | 4 | 5 | 6 | ^ | 1 | 2 | 4 | 5 | 6 | ^ | 1 | 4 | 5 | 6 | ^ | 1 | 4 | 5 | 6 | ^


          Object-oriented Game of Life in Python      Cache   Translate Page   Web Page Cache   
Intro

I have been planning to build a superior GUI alternative to NetLogo for a long time. When I finally started working on a project, I decided to test the basic implementations in python. Sure enough, the first app was Conway’s Game of Life - a great special case of cellular automata .

Can you imagine my surprise that I haven’t found an object-oriented implementation of the game in Python ― all codes were either written in Java or in imperative Python.

So, I decided to build the model. I used to classes ― Person , which corresponded to each cell, and Game , which controlled the system dynamics. A great article by Giorgio Sironi also adviced to create a third class Generation , but I didn’t find it necessary.

Model

So, first, I imported three libraries that I used:

from math import ceil, floor, sqrt import random from matplotlib import pyplot as plt

Then I defined a Person class with (x,y) -coordinates and empty vector of alive-dead statuses for every time period. Every Person object contains neighbours method which returns adjacent cells and kill-resurrect methods to change the life status:

class Person: people = [] def __init__(self,x,y,alive): self.x = x self.y = y self.alive = alive Person.people.append(self) return def kill(self,t): self.alive[t] = False return def resurrect(self,t): self.alive[t] = True return def neighbours(self): a = [] people = Person.people a += [z for z in people if z.x == self.x and z.y == self.y+1] a += [z for z in people if z.x == self.x and z.y == self.y-1] a += [z for z in people if z.x == self.x-1 and z.y == self.y] a += [z for z in people if z.x == self.x-1 and z.y == self.y+1] a += [z for z in people if z.x == self.x-1 and z.y == self.y-1] a += [z for z in people if z.x == self.x+1 and z.y == self.y-1] a += [z for z in people if z.x == self.x+1 and z.y == self.y+1] a += [z for z in people if z.x == self.x+1 and z.y == self.y] return a def alive_neighbours(self,t): a = [z for z in self.neighbours() if z.alive[t]] return a

Then I defined a Game class with setup method which randomly draws initial stage, and stage method which executes system dynamics:

class Game: def __init__(self, n, m, t): self.n = n self.m = m self.t = t return def setup(self): for i in range(self.n): for j in range(self.m): a = [False]*self.t a[0] = random.choice([True, False]) Person(i,j,a) return def stage(self, t): for person in Person.people: if person.alive[t-1]: if len(person.alive_neighbours(t-1))<2: person.kill(t) if len(person.alive_neighbours(t-1)) in [2,3]: person.resurrect(t) if len(person.alive_neighbours(t-1))>3: person.kill(t) else: if len(person.alive_neighbours(t-1))==3: person.resurrect(t) return def play(self): self.setup() for i in range(1,self.t): self.stage(i) return def results(self): people = Person.people a = [[z.x, z.y, z.alive] for z in people] print(a) return a

So, this was it. Now, you just have to input number of rows and columns (x,y) and number of time periods t and play the game. The resulting plots will be exported to your working directory:

# game: a = Game(x,y,t) a.play() a.results() # plot: for j in range(t): b = [] for i in range(x): b.append([z[2][j] for z in a.results() if z[0]==i]) plt.spy(b) plt.savefig(f"time{j}.png")

For presentation purposes I animated the resulting graphs:


Object-oriented Game of Life in Python
"Game of life" dynamics Conclusion

Here we go, I have built and shared the very basic object-oriented implementation of the very basic game in the most popular language, and somehow I ended up being the first one to do it. So, I will just leave it here as a starting point for future learners.

Be sure to check my other posts in ravshansk.com/blog and to subscribe to my Twitter @ravshansk .


          Valor basura en el case      Cache   Translate Page   Web Page Cache   

Valor basura en el case

Respuesta a Valor basura en el case

Vale!! muchas gracias, no sabia que se podía usar una asignación de longitud del vector, ya no tiene ese valor extraño si le dígito dos dígitos.
Muchas gracias.

Publicado el 08 de Agosto del 2018 por Channyke

          Valor basura en el case      Cache   Translate Page   Web Page Cache   

Valor basura en el case

Respuesta a Valor basura en el case

Tu mismo codigo arreglado. Pruebalo y me avisas.
Salu2.

#include<iostream> #define TALLA 5 using namespace std; bool burbuja(bool); int main() { int opc; bool Var1,Var2; Var1=false; cout<<"BIENVENIDO AL MENU DE ORDENAMIENDO DE VECTORES"<<endl; cout<<"------------------------------------------------"<<endl; cout<<" "<<endl; cout<<" pu...

Publicado el 08 de Agosto del 2018 por dario

          Valor basura en el case      Cache   Translate Page   Web Page Cache   

Valor basura en el case

Hola, tengo este menú con métodos de ordenamiento,de momento solo he hecho el método burbuja pero al imprimir me ordena el vector pero si ingreso un valor con dos dígitos arroja un valor extraño,ya intente igualando las variables a cero pero no funciona y no puedo detectar cual es el error, agradecería mucho su ayuda.
Saludos.


#include<iostream> using namespace std; bool burbuja(bool); int main() { int opc; bool Var1,Var2; V...

Publicado el 07 de Agosto del 2018 por Channyke

          lampe gras abat jour verre rare reflecteur ravel      Cache   Translate Page   Web Page Cache   
110,00 EUR
Date de fin: samedi sept.-8-2018 14:41:55 CEST
Achat immédiat pour seulement: 110,00 EUR
Achat immédiat | Ajouter à vos Affaires à suivre

          2 Douilles en porcelaine et cuivre lampe Gras Muller Industriel Loft Lampadaire       Cache   Translate Page   Web Page Cache   
25,00 EUR
Date de fin: vendredi sept.-7-2018 22:50:30 CEST
Achat immédiat pour seulement: 25,00 EUR
Achat immédiat | Ajouter à vos Affaires à suivre

          Американская компания выпустила почти робота Wall-E, но очень маленького (видео)      Cache   Translate Page   Web Page Cache   

Самый бестолковый и милый робот уже в продаже!


          Need one logo changed to vector logo      Cache   Translate Page   Web Page Cache   
I need one to make one vector logo (Budget: ₹600 - ₹1500 INR, Jobs: Graphic Design, Illustration, Illustrator, Logo Design, Photoshop)
          Vertical items infographic with CSS vars, clipping & masking      Cache   Translate Page   Web Page Cache   

See the Code - See it Full Page - See Details

Solution to [this challenge](https://twitter.com/anatudor/status/1026782477682176002) - use just one paragraph element for each of the three items (no children, no SVG, no JS). [Watch me code it](https://youtu.be/urfttwyOpDQ) in 38 minutes (you can tweak the play speed if you feel I'm too slow). Ugly in Edge as Edge doesn't yet support clipping and masking on HTML elements (masking is [in development](https://developer.microsoft.com/en-us/microsoft-edge/platform/status/masks/) though). If you like this demo in particular and my work in general and you want me to be able to continue putting stuff out, please consider one of the following: * getting me something from my Amazon WishList: [🇺🇸](https://www.amazon.com/gp/registry/wishlist/2Y3C4722GXH0I/) / [🇬🇧](https://www.amazon.co.uk/gp/registry/wishlist/2I25W7U0KADSR/) * [voting for `clip-path` implementation in Edge](https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/6519995-support-clip-path-property) - it doesn't even require signing in and **your votes do matter**! * or at least sharing this to show the rest of the world what can be done with CSS on the web these days [Donations are suspended for now](https://twitter.com/liberapay/status/1017520023714312193). Thank you to everyone who has supported my work so far! --- [Inspiration](http://buysellgraphic.com/vector-graphic/download/business_infographic_diagram_illustration_with_vertical_tabs_26077.html): ![original image](http://buysellgraphic.com/images/graphic_preview/large/business_infographic_diagram_illustration_with_vertical_tabs_26077.jpg)

This Pen uses: Pug, SCSS, Babel, and Babel


          Anki presenta Vector, l'assistente virtuale simile a un cucciolo      Cache   Translate Page   Web Page Cache   

Anki presenta Vector, l'assistente virtuale simile a un cucciolo

L'automa, dotato di una personalità peculiare, è in grado di fornire informazioni in tempo reale su vari argomenti e, a differenza di altri prodotti simili, gode di una discreta libertà di movimento


          TPx Communications and CounterTack Partner to Deliver Best-in-Class Managed Endp ...      Cache   Translate Page   Web Page Cache   
Emerging Managed Security Service Available from TPx Communications
Delivers Breadth of Coverage for Customers that Extends Beyond EDR and
Traditional Endpoint Protection.

WALTHAM, Mass. (BUSINESS WIRE) #ETP CounterTack, the leading provider of Predictive Endpoint Security for

the enterprise, today announced a partnership with TPx, a premier

nationwide managed services provider. CounterTack has established itself

as the only true behavior-based predictive endpoint solution with

in-memory analysis, multi-tenancy, and scalability that can manage

hundreds of thousands of endpoints in a single deployment.

Under the agreement, TPx will deploy CounterTack’s Endpoint Protection

Platform (EPP) to broaden its Managed Endpoint offering later this year,

giving even more depth and capability to the

managed

TPx just rolled out. This industry-leading package

helps businesses worldwide, ranging from enterprise organizations to

SMBs, pinpoint potential infiltrations and neutralize advanced endpoint

threats. The dynamic prevention and protection at scale offered by EPP

will round out TPx service offering with proven capabilities that allow

enterprises worldwide to detect and respond to unknown malware, insider

threats, data loss prevention, fileless malware, forensics and more.

CounterTack

has established itself as the leading endpoint detection,

response and prevention solution with a comprehensive suite of features.

EPP includes Digital DNA with its one-of-a-kind, patented real-time

binary analysis for processes running in memory. With the ability to

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threats, movement of sensitive files, multi-tenancy, cloud or

on-premises deployment, easily scalable infrastructure that supports

deployments of hundreds of thousands of endpoints, and an underlying

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telemetry data with real-time analytics, EPP was the clear choice for

TPx.

TPx Managed Endpoints is a key part of its just released comprehensive

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application patching for critical updates, next-gen endpoint protection

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resources to focus on other needed tasks.

“Teaming with CounterTack to enhance our MSx Endpoints product with

Managed Detection and Response will help our installed base and

potential customers have more visibility and control over the mounting

and dangerous endpoint threats they face,” said Jared Martin, VP of MSx

Managed Services at TPx. “Integrating the continuous, behavior-based

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attackers, at a time when endpoints are the most targeted and vulnerable

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As a result, TPx and CounterTack customers can benefit from early

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information, go to www.tpx.com .

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Contacts

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TPx Communications and CounterTack Partner to Deliver Best-in-Class Managed Endp ...
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          The Internet of Things Needs Food Safety-Style Ratings for Privacy and Security      Cache   Translate Page   Web Page Cache   

By now, we’re all intimately-familiar with the comically-bad security and privacy standards that plague most modern, internet-connected devices in the internet of things era.

Thanks to companies and evangelists that prioritize profits over privacy and security, your refrigerator can now leak your gmail credentials , your kids' Barbie doll can now be used as a surveillance tool , and your Wi-Fi-enabled tea kettle can open your wireless network to attack .

The paper-mache grade security on many of these devices also makes it trivial to quickly compromise and integrate them into botnets, resulting in the rise in historically-unprecedented DDoS attacks over the last few years. Security is so lacking, many devices can be hacked and integrated into botnets in a matter of just minutes once connected to the internet.

Security researchers like Bruce Schneier have dubbed this a sort of “ invisible pollution .” Pollution, he notes, nobody wants to address because neither the buyer or seller in this chain of dysfunction tends to give much of a damn.

“The owners of those devices don't care,” notes Schneier. “Their devices were cheap to buy, they still work, and they don't even know (the victims of DDoS attacks). The sellers of those devices don't care: they're now selling newer and better models, and the original buyers only cared about price and features.”

In short the market has failed, creating millions of new potential attack vectors annually as an ocean of such devices are mindlessly connected to the internet.

One potential solution? To incorporate security and privacy grades in all product and service reviews moving forward.

“Until now, reviewers have primarily focused on how smart gadgets work, but not how they fail: it's like reviewing cars but only by testing the accelerator, and not the brakes,” activist and author Cory Doctorow told Motherboard.

“The problem is that it's hard to tell how a device fails,” Doctorow said. “‘The absence of evidence isn't the evidence of absence,’ so just because you don't spot any glaring security problems, it doesn't mean there aren't any.”

Countless hardware vendors field products with absolutely zero transparency into what data is being collected or transmitted. As a result, consumers can often find their smart cameras and DVRs participating in DDOS attacks, or their televisions happily hoovering up an ocean of viewing data , which is then bounced around the internet sans encryption .

Product reviews that highlight these problems at the point of sale could go a long way toward discouraging such cavalier behavior toward consumer welfare and a healthy internet, pressuring companies to at least spend a few fleeting moments pretending to care about privacy and security if they value their brand reputation.

To that end, Consumer Reports announced last year it would begin working with non-profit privacy research firm Ranking Digital Rights (RDR) and nonprofit software security-testing organization Cyber Independent Testing Lab (CITL) on a new open source standard intended to help make internet-connected hardware safer.

“If Consumer Reports and other public-interest organizations create a reasonable standard and let people know which products do the best job of meeting it, consumer pressure and choices can change the marketplace. We’ve seen this repeatedly over our 80-year history,” the group argued.

This week, those efforts began taking shape.

Consumer Reports’ latest rankings of mobile payment platforms is the first time security and privacy have factored into the organization’s ratings for any product or service. It’s a practice Geoffrey MacDougall, Consumer Reports' head of partnership and strategy, says will soon be expanded to the organization’s reviews of internet-connected products.


The Internet of Things Needs Food Safety-Style Ratings for Privacy and Security

Such a practice being standardized in service and hardware reviews could go a long way in addressing things like “smart” televisions that spend as much time watching you as you do watching them, or internet-connected door locks that leave you less secure than the dumb alternatives they were supposed to supplant.

Doctorow calls the Consumer Reports’ effort both “welcome and long overdue,” but notes it needs to be the first step in a broader reform campaign.

Passing meaningful consumer privacy rules, like the FCC broadband protections killed by Congress last year , will also play a role. As will efforts to improve transparency, like the Princeton computer science department’s IOT Inspector , which provides the end user with more insight into what IoT devices are actually up to online.

Thwarting efforts by numerous companies to punish and intimidate security researchers also needs to be addressed, notes Doctorow.

“I think the next logical step is to start explicitly calling out companies that reserve the right to sue security researchers through laws like Section 1201 of the DMCA and the Computer Fraud and Abuse Act,” he said. “We know from long experience that just the possibility of retaliation

for criticizing products by pointing out their defects is enough to chill the speech of security researchers.”

For years the internet of things space has been the butt of justified jokes , as we collectively laugh at how we need to approve an overlong TOS just to use our shiny new oven , or the fact we can’t use our thermostat or TV because they were infected by ransomware.

But researchers like Schneier have warned that with millions of new attack vectors being introduced annually thanks to apathetic companies and oblivious consumers, it’s only a matter of time before this systemic dysfunction results in some massive, potentially fatal attacks on essential infrastructure .

With that understood, helping consumers better understand which companies couldn’t care less about privacy and security seems like the very least we can do.


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          Visage Imaging Amira v5.3.2 (Portable) 180810      Cache   Translate Page   Web Page Cache   

Visage Imaging Amira v5.3.2 (Portable) 180810
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Visage Imaging Amira v5.3.2 (Portable) | 483 MB

Amira is a powerful, multifaceted 3D software platform for visualizing, manipulating, and understanding data from computed tomography, microscopy, MRI, and many other imaging modalities.
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[center]
Attention!
Dear users! We do not forget about our rights holders!
All portable assembly, designed exclusively for the promotion of the software and can be used for informational purposes only!
After testing the program and decide on the usefulness and necessity of you, this software - you are required! remove the assembly and turn to the developer, to purchase a license for a full version. Good luck!
Work on ShiChuang 10 is POSSIBLE, BUT NOT GUARANTEED!
With incredible speed and flexibility, Amira enables advanced 3D imaging workflows for specialists in research areas ranging from molecular and cellular biology to neuroscience and bioengineering.
Amira is the leading software solution that satisfies even your most demanding needs to work with clinical
or preclinical image data, nuclear data, optical or electron microscopy imagery, molecular models, vector and flow data, simulation data on finite element models, and all types of multidimensional image, vector, tensor, and geometry data.

The Amira platform is organized in functional software modules, consisting of a base package plus optional
add-on packages that allow the user to optimize the investments by customizing the product to fit the exact needs. The optional packages are called Options and can be purchased together with the basic package, or separately at any time .

Selected feature sets:
Mesh: generation of finite element meshes from image data
Microscopy: microscopy-specific file formats, filament reconstruction tools
Skeletonization: extract neural and vascular networks from image data
Molecular: visualization of molecular models and trajectories
Developer: implement custom modules for amira in C++
Virtual Reality: enables stereo 3D visualization and virtual reality navigation
Multi purpose:
One tool for interdisciplinary work
Flexible
Option packages to configure
Amira to your needs Efficient
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Easy to use
Intuitive user interface and great documentation
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Multiple options and flexible license models
Handling large data Very large data sets are easily accessible with specific readers
Extensible C coding wizard for technical extension and customization
Support Direct customer support with high level of interaction
Innovative Technology always updated to the latest innovation.
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System Requirements
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ShiChuang XP, ShiChuang Vista all SP, Work on ShiChuang 10 is POSSIBLE, BUT NOT GUARANTEED!
Language English

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iChemLabs Products 2016.1 180810
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iChemLabs Products 2016.1 | 899.6 mb

iChemLabs, the developer of the popular ChemDoodle chemical drawing program, and Royal Society of Chemistry's ChemSpider, a leading provider of chemical services and data on the internet, has released new versions of ChemDoodle and ChemDoodle 3D is a scientific visualization platform with a focus on user customizability and universal support.
ChemDoodle 8.0.1
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If you are looking for a chemical sketcher or an alternative to your current chemical drawing application, there is no better choice than ChemDoodle. ChemDoodle works on all operating systems (both 32 and 64 bit), has one of the largest feature sets in the industry, has the most customizable graphics, pastes scalable vector graphics and provides round trip editing into Microsoft Office, iWork and OpenOffice (among others), and can read and write all of our competitors' formats. This is in addition to our web and mobile ChemDoodle extensions!

New features in ChemDoodle 8.0.1:

- The graphics system has been improved even beyond current industry standards for graphics. Every bond merge and pixel was scrutinized. Chemical structures have never looked better. ChemDoodle provides the best graphics in chemistry, everything else is a waste of money.
- Major IUPAC naming improvements, including very advanced ring systems.
- Full support for Retina display Macs and support for high-DPI Windows hardware.
- A new query structure system for defining sets of molecules and for searching partner services.
- New powerful tools for drawing arbitrary rings and crown ethers to atoms and bonds.
- Superscript and subscript merging to easily create atomic notations and other chemical text.
- More specific cleaning tool for adjusting only a selection of a structure.
- Text output options and improvements for EPS and SVG files in addition to PDF.
- A dramatically improved Templates widget with new and more aesthetic templates.
- Read in NTUPLES (multiple spectra) from JCAMP files.
- Added support for both the SketchEl (el) and Crystallographic Information Format (cif) filetypes.
- More support for working with the ChemDoodle Web Components.
- Dozens of new BioArt graphics.
- Performance improvements for faster work.
- Dozens more new features: two new bond types, implicit hydrogen control, automatic IUPAC locant labelling, vastly improved condensed labels, search files based on query structures, recursive SMARTS, metric support for document aids and rulers, a new precise form for scaling a specific bond, many interface improvements and so much more.

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ChemDoodle 3D version 2.0.1

ChemDoodle 3D is a scientific visualization platform with a focus on user customizability and universal support. Just like its 2D counterpart, all of the graphics are fully customizable and controllable. The large feature set is well organized for intuitive access and we develop ChemDoodle 3D to work with the vast majority of graphics cards in use. So no need to worry about long installation procedures or having to purchase specific hardware. You will not be disappointed with how easy it is to get started and produce results with ChemDoodle 3D!

New features in ChemDoodle 3D version 2.0.1:

- Full Retina display support on Mac OS X.
- Support for high DPI Windows hardware.
- The visual specifications of the scene can now be applied to selected content, or individual objects, as opposed to the entire scene. Right-click on objects and select the Format... menu item to show visual options for that object. New representation quick buttons are now available for modifying residue atoms and bonds, ribbon models and nucleic acid models in addition to non-residue atoms and bonds.
- Protein and nucleic acid information can now be loaded from PDB files. Ribbon, trace and tube models can be generated for proteins. Ladder models can be generated for nucleic acids. The models are fully customizable. Control dimensions, alpha helix widths, coloring and more. Both B-spline and Catmull-Rom splines can be used to generate models. Water can be displayed as stars. Residue atoms can be controlled separately from hetatoms. Load PDB files by PDB id.
- Periodic data can now be loaded from CIF files. Unit cells of any geometry are resolved. Functions for periodic systems will be provided in the Periodic menu. Build supercells.
- An advanced selection system has been implemented. Select, deselect and reselect content. Select all, next molecule, inverse and by SMARTS. Use the new selection mode to select content or use the selection window to list the contents of the scene and select the content you wish to work with. The selection window is very advanced and will show you what you are currently hovering.
- Fogging can now be defined in scenes using linear, exp1 or exp2 algorithms. Fog color can be defined as well as fog ranges.
- A compass can be added on the bottom left of the scene or through the camera's origin.
- 3D scenes can now be printed.
- Added quick quality options in the View menu to quickly switch between a range of higher and lower quality rendering settings to allow you to improve graphics or performance.
- Image export now allows for transparent backgrounds in capable image types. This allows you to easily use ChemDoodle 3D generated graphics in various media with custom backgrounds.
- Many new smaller features: added an option to remove shadows from text, added projection menu items, certified the correct 3D stereochemistry is generated from 2D drawings, picking can now handle any number of objects, and more.
- Updated to support ChemDoodle Web Components v7. Shapes can now be read/written using ChemDoodle JSON.
- Your iChemLabs account can now be accessed from ChemDoodle 3D. ChemDoodle 3D customers receive a free account for accessing ChemDoodle Mobile. If you also have ChemDoodle desktop, this is the same account.
- Dozens more improvements and additions.

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About iChemLabs, LLC.

iChemLabs, LLC. is a scientific software company specializing in all forms of computational chemistry including NMR simulation, chemical visualization, and chemical informatics. iChemLabs provides expertise in desktop, mobile and web based technologies for both consulting and custom development.

Name: iChemLabs Products
Version: 2016.1 Suite
Home: ichemlabs.com
Interface: english
OS: Windows / Linux / Macosx
Size: 899.6 mb

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          Precomputation-based radix-4 CORDIC for approximate rotations and Hough transform      Cache   Translate Page   Web Page Cache   
Vector rotation is an important component of algorithms in digital signal processing and robotics. Often, the rotation does not require very high accuracy. This study presents a lowoverhead sign-precomputation-based architecture for approximate rotation using the coordinate rotation digital computer (CORDIC) algorithm. The proposed architecture is independent of Z-datapath, and involves precomputation of the direction of rotation for each micro-rotation angle. The approach involves selecting the optimal micro-rotation angles from a set of elementary angles in run time. Careful selection and elimination of the redundant micro-rotation angles leads to a maximum of three iterations for a majority of the input angles while also simultaneously reaching within 0:45 (of the desired rotation angle). An field programmable gate array (FPGA) implementation of the proposed rotation mode CORDIC on XC7K70T-3FBG676 Kintex-7 using Xilinx ISE 13.2 achieves roughly 50% reduction in slice-delay product and power-delay product compared to recent designs. An application of approximate rotation to Hough transform-based lane detection is presented. An efficient algorithm for generation of vote addresses in the parameter space is proposed. It is shown that accurate lane detection is possible along with resource savings using the proposed CORDIC. The proposed architecture reduces the number of additions roughly by a factor of 20 compared with the conventional method of computing a parameter for each feature point.
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          Anki’s Vector is a tiny robot to obey your commands (well, sort of)      Cache   Translate Page   Web Page Cache   
Have you always dreamed of having a tiny robot that is cute and recognizes you, follows your commands and basically is the early stage of the takeover of our robot overlords? Well, we may be exaggerating about that last one, but we’ve already seen several robotic products for the consumer market. Anki previously released the […]
          Miguel Sales Figueroa: Los epígonos del castrismo (Parte II)      Cache   Translate Page   Web Page Cache   








Los epígonos del castrismo (Parte II)

Por Miguel Sales Figueroa
Málaga
9 de agosto de 2018


Socialismo con fecha de caducidad

La carrera de Díaz-Canel hacia la cima del poder político en Cuba podría culminar en 2021, una vez que Raúl Castro se jubile definitivamente –a los 90 años- y deje el cargo de Primer Secretario del PCC y jefe de facto de las Fuerzas Armadas (aunque, según la Constitución vigente, esa función corresponde al Presidente del Consejo de Estado). Al clausurar la sesión de investidura del nuevo mandatario,  Castro afirmó que todo estaba preparado a fin de que, “cuando yo falte, [Díaz Canel] pueda asumir también esta condición de Primer Secretario del Partido”.

Por si no hubiera quedado claro el carácter subalterno del nombramiento, Castro no sólo anunció la designación futura de Díaz-Canel al cargo partidista, sino que detalló también cómo tendrá que desempeñar su cometido durante los próximos 10 años y luego abandonar el poder. “Sus dos mandatos debe cumplirlos –dijo Castro-, de 5 años cada uno […] cuando él cumpla sus dos mandatos,  si trabaja bien y si lo aprueban [los órganos del PCC y del Gobierno] , él debe mantenerse, lo mismo que estamos haciendo con él, y quedarse los tres años que faltarán hasta el próximo congreso del PCC, para viabilizar [la sucesión]”. De manera que en los tres años que vienen, Díaz-Canel ejercerá su función ancilar bajo la estricta vigilancia del PCC y es poco probable que, en el hipotético caso de que tuviera ideas liberalizadoras sobre el futuro del país, pueda llevarlas a vías de hecho .

La deshilvanada alocución de Castro y el penoso espectáculo de la investidura de su protegido, con el voto unánime de un Parlamento domesticado que sólo sesiona cuatro días al año, y aprueba a mano alzada todo lo que le echen, parecían ilustrar una conocida reflexión de Guy Sorman que figura en el libro Sortir du socialisme: “Lorsque le chef n’est pas charismatique, les régimes socialistes théâtralisent n’importe quel sous-chef, comme ce fut souvent le cas en Europe centrale. Et lorsqu’il n’y a plus de chef du tout, le système socialiste se défait. Sans culte de la personnalité, le socialisme n’a plus qu’une durée de vie limitée“ 

Una estrategia gatopardiana

En palabras de Raúl Castro, la estrategia que deberá administrar Díaz-Canel “nos permitirá continuar avanzando en la actualización de nuestro modelo económico y social, o lo que es lo mismo, ‘cambiar todo lo que debe ser cambiado’; y lo haremos a la velocidad que nos permitan el consenso que forjemos al interior de nuestra sociedad y la capacidad que demostremos de hacer bien las cosas, para evitar graves errores que puedan comprometer el cumplimiento exitoso de esta gigantesca y honrosa tarea”  

    Traducción al román paladino: los cambios se aprobarán en dosis homeopáticas y se aplicarán con mucha parsimonia. Y el grado de influencia del nuevo presidente en esas reformas será sumamente reducido. La pauta de esta estrategia gatopardiana de cambiarlo todo para que nada cambie ha quedado patente en los dos mandatos cumplidos por Raúl Castro. En un decenio de ejercicio del poder absoluto, tras haber sido el segundo hombre del régimen durante medio siglo, el balance de su gestión es más bien escueto y puede resumirse en cinco puntos: a) Restablecimiento de relaciones diplomáticas con Estados Unidos; b) Implantación de reformas económicas de poca monta; c) Cambios menores en el dispositivo de control social (comunicaciones, salidas del país, etc.); d) Incremento de la represión contra los grupos opositores; y e) Aumento sustancial de la emigración.  

De todas esas medidas, la reanudación de los vínculos oficiales con Estados Unidos es la de mayor calado y la que sin duda condicionará la presidencia de Díaz-Canel. La reconciliación con Estados Unidos, en los términos en que se produjo, constituyó una gran victoria diplomática para el castrismo. La confrontación permanente con Washington, mantenida por Fidel Castro como principal seña de identidad del régimen, sirvió para granjearle la simpatía de millones de personas que, real o imaginariamente, se sentían agraviadas por la política estadounidense. Incluso en sectores conservadores y de extrema derecha de Europa se veía con agrado que Cuba fuera algo así como un clavo en la bota del Tío Sam. Barack Obama y Raúl Castro decidieron poner fin a la pugna en diciembre de 2014. Según el razonamiento de Obama, el cambio de política hacia Cuba induciría transformaciones de toda índole que colocarían a la Isla en el camino de la democracia y la prosperidad.

Pero la extrema lentitud y superficialidad de los cambios económicos autorizados por Castro y el recrudecimiento de la represión contra los disidentes, ponen de manifiesto la endeblez de los argumentos que esgrimió el gobierno demócrata y el acierto de sus críticos. Obama renunció unilateralmente a casi todos los medios de presión sobre La Habana y en pago sólo recibió vagas promesas de liberalización económica y lenidad política. Hasta la llegada de Donald Trump a la Casa Blanca, esas medidas de normalización contribuyeron a legitimar y reforzar al castrismo, y no han mejorado gran cosa las condiciones de vida la población. Sin revocar todas las decisiones de su antecesor, Trump ha endurecido de nuevo la política bilateral, lo que se ha traducido en una reducción del volumen de turismo y de remesas que Cuba venía recibiendo.

La otra cara del asunto es que, si bien la prensa oficial mantiene cierta retórica belicosa contra Estados Unidos, la población  sabe ya que ‘el enemigo imperialista’ ha desaparecido. Es difícil convencer a los cubanos de que Washington agrede  a la Isla y, al mismo tiempo, le vende alimentos y medicinas por valor de cientos de millones de dólares y permite el envío de remesas que han llegado a ser uno de los componentes esenciales del PIB nacional.

Tres crisis que se solapan

¿Cuál es la situación real, dentro y fuera de Cuba, a la que tiene que enfrentarse Díaz-Canel?

A partir de ahora, el nuevo mandatario cubano deberá afrontar una situación interna marcada sobre todo por la ineficacia económica del sistema, la desafección creciente de la población y la lenta recuperación de la sociedad civil. Esta dinámica se manifiesta en un contexto internacional de pérdida de apoyos en América Latina, tras la derrota del kirchnerismo en Argentina, el regreso al poder de Sebastián Piñera en Chile y el encarcelamiento de Lula da Silva en Brasil. Pero el aspecto más ominoso para los epígonos del castrismo es el endurecimiento de la política estadounidense hacia Cuba y la profunda crisis del ‘Socialismo del Siglo XXI’ en Nicaragua y Venezuela. 

(Miguel Díaz-Canel y su esposa)

Como quedó explicado más arriba, las medidas que probablemente figuren en la nueva Constitución no producirían cambios sustanciales en el sistema, que seguiría siendo una dictadura de partido único con una estructura política similar a la de China, aunque sí podrían enmarcar una lenta evolución hacia concesiones más bien simbólicas en materia de derechos y libertades. Pero esos cambios parsimoniosos difícilmente lograrían frenar o modificar algunas tendencias profundas que operan actualmente y que parecen destinadas a empeorar la situación a medio y largo plazo. Esas tendencias se articulan en torno a tres vectores estrechamente relacionados entre sí: la economía, la demografía y la emigración.

La crisis económica

La primera tendencia de fondo es la crisis económica, que en el sistema comunista cubano es un problema crónico y estructural, no coyuntural. Tras haber cambiado de rumbo en diversas ocasiones —industrialización acelerada/ descarte de la industria; menosprecio del turismo/ rehabilitación del turismo; concentración en la producción de azúcar/ abandono del sector azucarero; penalización de la tenencia de dólares/ dolarización; demonización del exilio/ explotación de las remesas, etc.—, el Gobierno ha terminado por gestionar un aparato económico muchísimo menos productivo que el de la República que confiscó hace casi 60 años.

A la dependencia de los subsidios soviéticos, hasta 1991, siguió la dependencia de los subsidios venezolanos, ahora en peligro; la supuesta erradicación del desempleo se alcanzó mediante la multiplicación de puestos improductivos en el sector estatal; el abandono del sector azucarero representó la pérdida pura y dura de las tres cuartas partes de la base agroindustrial del país; la explotación de la mano de obra calificada que se exporta se realiza violando el derecho internacional y las normas éticas de la Organización Internacional del Trabajo (OIT). A fin de cuentas, quedan el níquel, el tabaco, los productos de biotecnología, el turismo y las remesas de los emigrados. Y todo eso ocurre en un contexto donde el níquel y el petróleo se cotizan a la baja y el consumo de azúcar y tabaco marcha a contrapelo de las tendencias sanitarias mundiales.

La ineficiencia crónica de la economía nacional está ligada a múltiples factores, pero todos proceden de la misma causa: el monopolio estatal de los medios de producción. Mientras la prioridad fundamental del régimen consista en mantener la hegemonía del PCC y no en mejorar las condiciones de vida de la población, cualquier medida de liberalización o apertura económica se aplicará con cuentagotas y tendrá efectos muy modestos sobre la realidad cotidiana de los cubanos. 

La crisis demográfica

En segundo lugar y dependiente de la anterior, está la crisis demográfica. La sociedad cubana envejece hoy a un ritmo rara vez visto en tiempos de paz. Cada año nacen menos niños y se prolonga un poco más la supervivencia de los ancianos. Cada día son más los jóvenes que tratan de marcharse al extranjero y se incorporan menos adultos a la vida laboral. Y, a diferencia de lo que ocurre en Europa, no hay inmigración a la vista que pueda compensar esa pérdida de personal activo. Según las estadísticas poco fiables que el Gobierno emplea para maquillar la situación, desde hace una década la población total de la Isla se encuentra estancada en unos 11.300.000 habitantes. Si se descuenta la manipulación —por ejemplo, la nueva clasificación de miles de emigrantes como "residentes temporales en el extranjero" que no se restan del número total de habitantes censados— la realidad es que la población ha venido disminuyendo, al menos desde 2010, y que seguirá haciéndolo de modo exponencial en el futuro inmediato, con una pirámide de edades cada vez más desfavorable.

Si a lo que precede se añade el hecho obvio de que la productividad del trabajo en la Isla se reduce paulatinamente debido a la mala gestión, la escasez de transportes, el envejecimiento de la maquinaria, la falta de incentivos, la corrupción y otros males clásicos del socialismo, el panorama resultante no ofrece muchos motivos de optimismo.

En los próximos años, una masa laboral decreciente en número y rendimiento tendrá que sufragar los gastos de seguridad social —sobre todo pensiones y atención médica— de una legión de jubilados cada vez más numerosa, que vivirá más tiempo —gracias a las nuevas tecnologías y los medicamentos que envían los parientes emigrados— y que por la misma razón acumulará más padecimientos y necesidades de toda índole. De hecho, los jubilados cubanos afrontan ya esa situación con pensiones de unos diez dólares mensuales y no todos tienen familiares en el extranjero dispuestos a ayudarlos. El deterioro de la infraestructura existente y la probada incapacidad del sistema para solucionar la escasez de vivienda no contribuirán a mejorar las condiciones de vida de ese sector de la población, que hacia 2030 representará un tercio del total de habitantes.

La crisis migratoria

El tercer factor, muy vinculado a los anteriores, es el giro que va tomando el impulso migratorio. En los últimos 22 años, desde los acuerdos sobre el tema suscritos con Estados Unidos en 1995, ha salido de la Isla poco más de un millón de emigrantes. Eso arroja un promedio de unos 50.000 prófugos anuales.

Pero, tras la abrogación de la política estadounidense de pies secos/ pies mojados  a principios de 2017, la situación cambió drásticamente. Por primera vez en una generación, la esperanza de salida se ha reducido a los 20.000 visados del ‘bombo’, -el sorteo anual que realiza el departamento de inmigración estadounidense- e incluso estos podrían peligrar si el nuevo Gobierno republicano decidiera usarlos como palanca para influir en la conducta de los dirigentes castristas.

La imposibilidad de entrar masivamente en Estados Unidos no anulará la tendencia cada vez más acentuada a la emigración que prevalece entre la juventud cubana, pero sí dificultará considerablemente su realización. Nadie es capaz de prever qué repercusión podría tener ese embotellamiento a la vuelta de cinco o diez años. 

Esos tres factores componen un círculo vicioso: la crisis demográfica empeora la situación económica y este deterioro genera nuevos emigrantes, lo que a su vez agrava el déficit de población. Esa combinación es nociva para el país, por más que el emigrante se convierta pronto en fuente de remesas y en candidato a regresar periódicamente a la Isla en calidad de turista.

Es difícil entrever en la política actual del Gobierno cubano o en los lineamientos de la futura Constitución un remedio para esos tres problemas conexos. Aunque algo sí parece evidente: con el paso del tiempo los jerarcas cubanos irán comprendiendo que fue un error exigir a Estados Unidos el fin de la política de pies secos/ pies mojados. Con los deseos hay que tener mucho cuidado, incluso en Cuba, porque a veces se cumplen.





          When Vectors Collide With Cultures: 'anthropo-vector Ecology', Who Is Controlling Who?: Book Of Abstracts Of The 20th European Society For Vector Ecology Conference 2016      Cache   Translate Page   Web Page Cache   
Other / Science / 2016
          Viral Vectors For Gene Therapy: Methods And Protocols (methods In Molecular Biology)      Cache   Translate Page   Web Page Cache   
James N. Warnock / Medicine / 2011
          「COZMO」のAnki、AIロボット「Vector」を10月発売へ なでるとゴロゴロ言う      Cache   Translate Page   Web Page Cache   
日本でもAIロボット「COZMO」を販売するAnkiが、新しい小型ロボット「Vector」のキャンペーンをKickstarterで開始した。質問に音声で答え、持ち主とフィストバンプしたり、なでるとうっとりした表情でゴロゴロ言ったりする。
          Strike Vector (2014) PC      Cache   Translate Page   Web Page Cache   
none
          79-GHz Digital Attenuator-Based Variable-Gain Vector-Sum Phase Shifter With High Linearity      Cache   Translate Page   Web Page Cache   
A 79-GHz variable-gain vector-sum phase shifter is presented, which consists of 5-bit digital attenuators in respective I and Q paths. It is designed to represent any vectors in the entire IQ plane by controlling the digital attenuators with low phase variations. Variable-gain function can be achieved intrinsically without additional variable-gain circuits. The proposed phase shifter can maintain low phase error at high input powers. The phase shifter provides a root mean square (RMS) phase error of 6.74° with a phase resolution of 11.25°. The gain dynamic range and resolution are 21 and 3 dB, respectively, with an RMS gain error of 1.89 dB.
          Study on Dynamic Body Bias Controls of RF CMOS Cascode Power Amplifier      Cache   Translate Page   Web Page Cache   
This letter presents a highly linear cascode CMOS power amplifier (PA) that uses dynamic body linearizers based on envelope signal injection to the bodies of the common source and common gate power transistors. The linearizers allow the PA to have optimum AM–AM and AM–PM, which reduces the nonlinear distortions significantly. The two-stage PA is fabricated using a 0.18- $mu text{m}$ CMOS process with a printed circuit board output transformer. At 1.85 GHz, it delivers 27.7-dBm output power with 41.3% power added efficiency under a −33-dBc ACLR $_{textsf {E-UTRA}}$ and a 4.7% error vector magnitude using long term evolution (LTE) signal.
          A Wideband Efficiency-Enhanced Class-G Digital Power Amplifier for IoT Applications      Cache   Translate Page   Web Page Cache   
This letter presents a wideband digital power amplifier (DPA) with Class-G technique to enhance back-off efficiency for Internet-of-Things (IoT) applications. The switched-capacitor power amplifier topology is adopted for high linearity performance. A wideband matching network is proposed to achieve 0.54–0.95-GHz frequency coverage for 802.11ah and narrowband IoT standards. The measurement results demonstrate a flat frequency response with only 0.5-dB power deviation over 0.54–0.95 GHz. The DPA achieves the peak output power of 23.5 dBm with 42.7% peak PAE and 32.8% PAE at 6-dB back off. When amplifying an 8-MHz 64 quadratic-amplitude modulation 802.11ah signal at 800 MHz, it obtains −28.4-dB error vector magnitude and 30.1% average PAE at 16.5-dBm average output power.
          West Nile Virus Confirmed In Mosquitoes And First Dead Bird Of The Year – District Urges Residents To Wear Repellent And Report Dead Birds      Cache   Translate Page   Web Page Cache   
The Contra Costa Mosquito & Vector Control District is reporting a dead bird from Brentwood and mosquitoes from Discovery Bay have tested positive for West Nile virus. This is the second group of mosquitoes from Discovery Bay and the first dead bird of the year from Contra Costa County to test positive for the virus. […]
          USB Trendware vector logo      Cache   Translate Page   Web Page Cache   
USB Trendware vector logo

USB Trendware vector logo in (.EPS, .AI, .CDR) format. Free download USB Trendware current logo in vector format. Direct link and Totally FREE!

The post USB Trendware vector logo appeared first on Vector logos and Logotypes free download - LogoEPS.com.


          Vector AI Home Robot Launched by Cozmo Makers       Cache   Translate Page   Web Page Cache   

Anki announced a new robot leaping its Cozmo toy robot. The Anki Vector is an autonomous robot that lives in your house, notices when you're gone, and gets excited when you come home. Vector is...
          Does mypaint benefit more from singlecore, or multi-core processing? What bottlenecks do you typically see?      Cache   Translate Page   Web Page Cache   

If you compile from source MyPaint can take advantage of some advanced cpu features, and multiple cores to some extent. I still think that single-thread performance is the best benchmark for MyPaint if you are looking at upgrading your computer.

Generally the bottlenecks depend on brush settings. Drawing too many dabs, using dabs that are not round, dabs that are too big, or too small, and especially using smudge settings which samples the canvas, too.

If you compile libmypaint you could try settings CFLAGS before compiling:
This is what I use for my cpu, this should automatically use your “native” cpu features:
export CFLAGS=’-fopenmp -O3 -ftree-vectorize -march=native -mtune=native -funsafe-math-optimizations -funsafe-loop-optimizations’

and when I run configure I enable openmp:
./configure --enable-openmp


          Vector Background Of Happy New Year 2018      Cache   Translate Page   Web Page Cache   
*Vector Background Of Happy New Year* *2018* *Vector Background Of Happy...
          Ultrahigh-Resolution Optical Vector Analysis for Arbitrary Responses Using Low-Frequency Detection      Cache   Translate Page   Web Page Cache   
We propose and experimentally demonstrate an ultrahigh-resolution optical vector analyzer (OVA) for arbitrary responses measurement by using microwave photonic frequency down-conversion and fixed low-frequency detection. It avoids high-speed photodetection and ultrawideband electrical phase-magnitude detection, which are the key challenges to the previous OVAs based on microwave photonics (MWPs). Additionally, the proposed OVA has the capability of measuring arbitrary spectral responses. A high-resolution optical frequency-swept signal generated by using MWP-based techniques is separated into two parts. One portion propagates through an optical device under test (DUT) and then directs to a photodetector (PD), which carries out the spectral responses. In the other branch, the optical signal is accurately shifted by a small frequency and then sent to the PD. By square-law detection, the spectral responses of the optical DUT are thus transferred to a low-frequency photocurrent with a frequency equaling to the shifted frequency. Thus, the spectral responses can be obtained by detecting the photocurrent using a low-frequency electrical phase-magnitude detector working at a fixed frequency. In the experiment, a measurement system is established, by which the magnitude and phase responses of optical devices, such as an optical Hilbert transformer and an optical bandpass filter, are successfully measured. The measurement results are verified by the previous MWP-based OVAs and a commercial instrument.
          Silvano Mello: Mondo digitale      Cache   Translate Page   Web Page Cache   
https://www.aneddoticamagazine.com/wp-content/uploads/Silvano-mello-mondo-digitale.jpg

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Aneddotica Magazine - Collaborative Blog since 2012 https://www.aneddoticamagazine.com/it/silvano-mello-mondo-digitale/
          Conoce a Vector, el encantador nuevo robot de Anki      Cache   Translate Page   Web Page Cache   
. . El nuevo robot inspirado en Pixar es el futuro de la robótica doméstica Anki espera que Vector ayude a los humanos a adaptarse a tener robots en el hogar ¿Alguna vez quisiste un lindo robot para dejarlo en tu escritorio y hacerte compañía mientras trabajas? ¿Qué tal en una encimera cuando estás haciendo la cena? Conoce a Vector. El nuevo robot, desarrollado por la empresa de robótica de consumo e inteligencia artificial (IA) Anki, es tan inteligente como adorable. Mientras.
          Enfermedades exóticas que han venido a España para quedarse      Cache   Translate Page   Web Page Cache   

Fiebre hemorrágica de Crimea-Congo, infección por el virus del Nilo Occidental, Anaplasmosis, Debonel, Rickettsia monacensis...Estas enfermedades, cuyos nombres apenas pueden pronunciarse, han llegado a España para quedarse. Se trata de patologías, algunas viejas conocidas, que han vuelto a ponerse en el foco, o más bien en la lente de los microscopios porque, por diversas causas, están reapareciendo dentro o muy cerca de nuestras fronteras.

Quizá, el más inesperado ha sido el virus de Crimea-Congo ya que los dos primeros, y hasta el momento únicos casos de la historia de Europa occidental, se registraron hace pocas semanas en nuestro país. El virus, que utiliza como vector (el “vehículo” para atacar) una garrapata, la Hyalomma marginatum, se cobró la vida de un hombre de 62 años el pasado 25 de agosto. El caso obligó a la Consejería de Sanidad de Madrid a activar un protocolo similar al del ébola al comprobar que una enfermera se contagió al atenderlo y que aún sigue ingresada en el Hospital Carlos III de Madrid.

¿Por qué, de repente, surgieron casos de Crimea-Congo?. Teníamos los ingredientes necesarios para que ocurriera: los animales que actúan como reservorios (garrapata, roedores…), el virus circulando y las condiciones climatológicas necesarias. El contagio de una persona que paseaba por el campo al recibir la picadura de una garrapata parecía solo una cuestión de mala suerte. Sin embargo, algunos expertos ven razones que van más allá de las casualidades, entre ellas, el cambio climático y el aumento de las temperaturas.

«Sabemos por modelos experimentales que algunas garrapatas se vuelven más agresivas y pican más al elevarse la temperatura», señala José Antonio Oteo, jefe del departamento de Enfermedades Infecciosas del Centro de Investigación Biomédica de La Rioja. El cambio climático, de hecho, también puede haber influido en las modificaciones de las rutas realizadas por aves migratorias que también actúan como distribuidoras de vectores. «La hipótesis mejor documentada es que este virus ha entrado recientemente en España a través de garrapatas vehiculadas por aves migratorias, ya que las secuencias genéticas de los virus de las garrapatas de las aves que recogimos en Marruecos, son las mismas que las que encontramos en España y son de estirpe africana».

Justo Menéndez, responsable de Enfermedades Tropicales del Hospital HM Sanchinarro y miembro de la plataforma Doctoralia suscribe esta hipótesis. «Lugares donde las temperaturas eran frías y ahora son templadas están haciendo que virus, bacterias o parásitos subsistan en zonas donde antes no era posible».

El factor suerte

Sin embargo, no se deja de lado el azar. «Este virus está presente en Asia, América, África y Europa. Pese a ello, es difícil contraer la enfermedad ya que de 100 picaduras de garrapatas infectadas, solo el 10 por ciento producen síntomas», señala Menéndez. Pero evitar la aparición de casos es imposible porque acabar con las garrapatas supondría un gran desequilibrio para el ecosistema. La única solución son las vacunas.

«Tiene más impacto la globalización que el calentamiento global. España, además, tiene una localización especial en el mundo, clima subtropical y puente entre Europa y África donde pasan inmigrantes, turistas y aves migratorias. Es un corredor de importancia», opina José Antonio Pérez Molina, médico del Centro de Referencia Nacional de Medicina Tropical del Hospital Ramón y Cajal. Estos desplazamientos, en los que también se cuentan los realizados por motivos comerciales, hacen difícil descartar la aparición de enfermedades como el zika.

Otra afección que «ha viajado» gracias al movimiento migratorio es el virus del Nilo Occidental. En 1999, provocó un brote en Nueva York y se propagó por Estados Unidos. En España, concretamente en Andalucía, se han confirmado este verano dos casos de Virus del Nilo.

No bajar la guardia

Mayor atención merece la encefalicitis centroeuropea, transmitida por un virus que tiene como vector una garrapata, igual que en el caso de Crimea-Congo y que afecta al sistema nervioso central. Está presente en Alemania, Austria, o Suiza. Y se dan las condiciones para que aparezca en España. «No hay que bajar la guardia, podrían aparecer nuevas enfermedades pero España tiene una infraestructura sanitaria que impediría una epidemia», defiende Ángel Gil, del Comité técnico español que investiga el Crimea-Congo. Gil recuerda que ya hay otras patologías transmitidas por garrapatas en España.

Las que se consideran emergentes y que se han dado en humanos son la Anaplasmosis, la Rickettsia monacensis o Debonel. Esta última, de hecho, la transmite una bacteria «nueva» y descubierta solo en España, concretamente en la Rioja, de ahí su nombre: Rickettsia rioja. Otra enfermedad emergente es la Neoehrlichia mikurensis, que aún no ha provocado casos «pero habrá porque está circulando y lo transmite una garrapata que pica a personas», sentencia Oteo.

Riesgo bajo de un brote de Zika

Nada de esto parece preocupar demasiado a Europa. «Hay mucha distancia entre la percepción del riesgo por la aparición de enfermedades infecciosas y el riesgo real. Tanto la la infra como la sobrevaloración suelen ser muy comunes. Por ejemplo, no consideraría un riesgo para los turistas viajar a España después de los dos casos de fiebre hemorrágica. Ni siquiera Turquía, en donde ha habido unos cientos de casos», señala Matthias Niedrig, miembro de la Red Europea para el Diagnóstico de Enfermedades Víricas Importadas (ENIVID, por sus siglas en inglés). De hecho, ni siquiera el zika es una amenaza. «Un brote en Europa parece muy bajo tal como señala un reciente estudio publicado en PLOS que señalan que los mosquitos son menos susceptibles al virus de lo que se creía».


          [Maps and Sketches] Paris skyline with map      Cache   Translate Page   Web Page Cache   

Hebstreits posted a photo:

[Maps and Sketches] Paris skyline with map

#[Maps and Sketches] Paris skyline with map #Maps

bit.ly/2AYo0zp

#Architecture, #Areal, #Background, #Black, #Building, #Business, #City, #Cityscape, #Dame, #Design, #Destination, #Detailed, #Drawing, #Drawn, #Eiffel, #France, #French, #Hand, #Illustration, #Landmark, #Line, #Map, #Museum, #Nightlife, #Notre, #Old, #Outline, #Panorama, #Paris, #Pencil, #Place, #Plan, #Poster, #Road, #Roof, #Sights, #Silhouette, #Sketch, #Skyline, #SkylineWithMap, #Style, #Top, #Tourism, #Tower, #Town, #Travel, #Urban, #Vector, #White


          Cute couple in love holding hands, cartoon characters vector      Cache   Translate Page   Web Page Cache   

wilson.199819 posted a photo:

Cute couple in love holding hands, cartoon characters vector

Cute couple in love holding hands, cartoon characters vector illustration


          Raster to Vector Services | Raster to Vector Conversion Services      Cache   Translate Page   Web Page Cache   

Background Removal Services posted a photo:

Raster to Vector Services | Raster to Vector Conversion Services

We're the world-class Photo Editing Service Provider Company. A great deal of photo editing services out there, from them, Why you choose us is a crucial question. Look, all of them are best, but we're special! Yap, we're the best Photo Editing Service Provider because we born to provide the most special service and we know much more than anyone! Let’s see why you will choose Us: ift.tt/2FMaWy3 #raster #vector #services #background #change #clipping #company #cutout #editor #image #photo #masking #online #path #multiple #photoshop #provider #removal #remove #retouch #retouching #service #USA


          ‘Vector’, el nuevo y adorable robot con IA de Anki con el que buscan crear un compañero perfecto para el hogar      Cache   Translate Page   Web Page Cache   

Imagen.Primero posted a photo:

‘Vector’, el nuevo y adorable robot con IA de Anki con el que buscan crear un compañero perfecto para el hogar

bit.ly/2OXKrI0


          I THOUGHT THE SCIENCE WAS SETTLED: “Definitive evidence that cockroaches are vectors for human di…      Cache   Translate Page   Web Page Cache   
I THOUGHT THE SCIENCE WAS SETTLED: “Definitive evidence that cockroaches are vectors for human disease is still lacking.”
          Iterative adaptive approach to interference covariance matrix reconstruction for robust adaptive beamforming      Cache   Translate Page   Web Page Cache   
It is well known that adaptive beamforming methods are susceptible to performance losses in the presence of model mismatches, especially when the training sample is contaminated by the desired signal. Here, in order to thoroughly remove the desired signal from the sample covariance matrix, the authors propose an iterative adaptive approach based on angular sector reconstruction algorithm to reconstruct the interference-plus-noise covariance matrix (INCM). Traditional INCM reconstruction methods are based on the Capon spectrum estimator to obtain the spatial power spectrum. However, the Capon spectrum cannot provide accurate power estimates because it is known to be sensitive to the array calibration error. Inspired by the excellent behaviour of the IAA algorithm, the authors use the IAA spectrum to obtain accurate power estimates which can be used to reconstruct the interference covariance matrix and revise the desired signal steering vector. Simulation results show that the performance of the proposed robust adaptive beamformer outperforms previous works and the output signal-to-interference-plus-noise ratios are close to the optimal values.
          Anki’s home robot launching in October      Cache   Translate Page   Web Page Cache   
Anki have announced that they are bringing their little robot, Vector. The robot is designed with personality and to be fully autonomous, cloud-connected and always-on. Vector is a robot who’s alive with personality, highly-intelligent, and aware of his surroundings through touch, sight and sound. Unassertive and thoughtfully built, he is designed to fit naturally into your daily life as well as any space in your home, with minimal maintenance. Vector isn’t an appliance sitting in the corner waiting for you to flip a switch; he is an extension of your family who is excited for you to walk in the door each day. Vector is designed to complement your life. And because he’s cloud-connected and able to self-update, he’s always getting […]
          「COZMO」のAnki、AIロボット「Vector」を10月発売へ なでるとゴロゴロ言う      Cache   Translate Page   Web Page Cache   
日本でもAIロボット「COZMO」を販売するAnkiが、新しい小型ロボット「Vector」のキャンペーンをKickstarterで開始した。質問に音声で答え、持ち主とフィストバンプしたり、なでるとうっとりした表情でゴロゴロ言ったりする。
          ASSISTANT PROFESSOR - INSECT VECTOR BIOLOGIST / INSECT PHYSIOLOGIST - University of Wisconsin–Madison - Madison, WI      Cache   Translate Page   Web Page Cache   
Assistant Professor - Insect Vector Biologist / Insect Physiologist. Position Vacancy ID:....
From University of Wisconsin–Madison - Mon, 30 Apr 2018 06:48:38 GMT - View all Madison, WI jobs
          #handlettering - _kleinscheiss_      Cache   Translate Page   Web Page Cache   
Bonjour, good morning, guten Morgen! ☺ And what did you guys have for breakfast?! 😆 #baguette #labaguette #illustration #vectorbrush #lettering #handlettering #goodmorning #bonjour #breakfast #frühstück #friday #freitag #vektorpinsel #baguetteschrift #schöneswochenende 🍞
          GreenEyedGoods - Toys & Games that'll make you green with envy - Upwork      Cache   Translate Page   Web Page Cache   
We are a fun/games/toys start-up, looking to develop a line of eye-catching toys and games (not just limited to children).
We need somebody to help design an eye-catching logo and icon for our brand. We are called GreenEyedGoods, as in green with envy, but also green eyes are rare and eye-catching.
We are fairly sure we want a cartoon green eye ball (needs to be quite simple but eye-catching as this will be printed on physical products) as our icon, but would like to get our name into the logo for a complete branding solution.
Style is certainly CARTOON/FUN/LIGHT-HEARTED
We need the following:

- Logo (including eyeball and the word "GreenEyedGoods")
- Icon (a cutout of the green eyeball without words) - this would be printed on toys etc
- Social Media versions of the icon
- Original Source Files (for both logo and icon)
- Adobe Illustrator preffered so we can have a vector

Attached some ideas and some logo's we like that give off the fun vibe we are after.

Thanks for reading - can you deliver for us!?

Posted On: August 10, 2018 08:53 UTC
ID: 213914118
Category: Design & Creative > Graphic Design
Skills: Adobe Illustrator, Adobe Photoshop, Graphic Design, Illustration, Logo Design, Print Design, Web Design
Country: United Kingdom
click to apply
          Update: Acana My Books (Reference)      Cache   Translate Page   Web Page Cache   

Acana My Books 1.6.1


Device: Mac OS
Category: Reference
Price: $3.99, Version: 1.6.0 -> 1.6.1 (iTunes)

Description:

«Açana My Books» manages your books, audio books, audio cassettes, comic collections and journals. For each entry a note and unlimited attachments can be added.

Features:
• Enter all data Details Title
• Author
• Co-Author
• Speaker
• Length in days, hours, minutes
• Price
• Date of purchase

• Rating Mark as read
• Rating from 0-6 stars

• Awarded / on loan mark as awarded
• Awarded to
• Awarded date
• Mark as on loan
• On loan from
• On loan date

• Published
• Year of publication / month
• Publisher
• Edition
• Number of copies
• URL

• Location
• Building
• Room
• Shelf
• Digital file location

• Genre
• ISBN® / Amazon® ASIN® Code
• Graphical display ISBN® Code
• Search for book title
• Search for data, links and picture with book title, author or ISBN®/ ASIN® Code (no data import)
• Manage
• Authors
• Name, first name
• Gender
• Display all book from the author
• Speaker
• First name, name
• Display all book from the speakers
• Genre
• Freely definable with Icon for each genre
• Media
• Freely definable with Icon for each media
• Easy data exchange of all tables via clipboard to all office applications (Excel®, LibreOffice®, Numbers® etc.)
• Export as CSV file
• Import Data from CSV file
• Media browser to drop your pictures from Photo app
• Default OS picture taker to take a picture from default pictures, your last pictures or from camera
• Share a book on email, messages, Twitter® or Facebook®, etc.
• Share a links to this application on email, messages, Twitter® or Facebook®, etc.
• Easy backup and restore of all data (without using TimeMachine®)
• Graphical overview:
• Price per book
• Revenue per genre
• Count of books per genre
• Revenue per author
• Count of books per author
• Revenue per media
• Count of books per media
• Count of books per speaker
• All graphical overviews can be saved in these formats:
• Pixel format:
• BMP
• GIF
• JPG
• PNG
• Vector format:
• PDF
• SVG

What's New

New Features:
• Help book now in PDF format
• Menu entry “New in this Release” points to a PDF file

Bug fixes:
• When closing the main window, all values in the details view are now saved

Acana My Books


          Giving street city maps in vector, enjoy!      Cache   Translate Page   Web Page Cache   
Whatsup? I think we have something useful for the community (I hope). We`ve created a small library of city street maps, in Adobe Illustrator [.AI] and [.PDF], good for design, craft, printing, presentations probably. So, the main question is, where should I post it? Any ideas?
          「COZMO」のAnki、AIロボット「Vector」を10月発売へ なでるとゴロゴロ言う      Cache   Translate Page   Web Page Cache   
日本でもAIロボット「COZMO」を販売するAnkiが、新しい小型ロボット「Vector」のキャンペーンをKickstarterで開始した。質問に音声で答え、持ち主とフィストバンプしたり、なでるとうっとりした表情でゴロゴロ言ったりする。
          Vector: Anki stellt neuen persönlichen Roboter vor      Cache   Translate Page   Web Page Cache   
Er hat ein Display als Gesicht, er fährt auf Ketten, er kommuniziert - aber er ist nicht Cozmo: Anki hat einen neuen sozialen Roboter vorgestellt. Auf Kickstarter ist der Cozmo-Nachfolger Vector bereits ein Erfolg. (Roboter, Technologie)
          ASSISTANT PROFESSOR - INSECT VECTOR BIOLOGIST / INSECT PHYSIOLOGIST - University of Wisconsin–Madison - Madison, WI      Cache   Translate Page   Web Page Cache   
Assistant Professor - Insect Vector Biologist / Insect Physiologist. Position Vacancy ID:....
From University of Wisconsin–Madison - Mon, 30 Apr 2018 06:48:38 GMT - View all Madison, WI jobs
          Ancienne lampe d'atelier bureau architecte fer et alu genre gras ravel no gield      Cache   Translate Page   Web Page Cache   
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          「COZMO」のAnki、AIロボット「Vector」を10月発売へ なでるとゴロゴロ言う      Cache   Translate Page   Web Page Cache   
日本でもAIロボット「COZMO」を販売するAnkiが、新しい小型ロボット「Vector」のキャンペーンをKickstarterで開始した。質問に音声で答え、持ち主とフィストバンプしたり、なでるとうっとりした表情でゴロゴロ言ったりする。
          Comment on Vintage Cameras Vector Pack by annabel@designcuts.com      Cache   Translate Page   Web Page Cache   
Hey Mark, Thank you so much for your comment and I'm so sorry to hear that you are having difficulty finding the perfect resources for you! Rest assured I have popped you over an email to help you with your search :)
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          Simulation Analysis of Arc Evolution Process in Multiple Parallel Contact Systems      Cache   Translate Page   Web Page Cache   
Air circuit breaker (ACB) is widely used in power distribution system. The movable contact of ACB consists of multiple parallel contacts and the arc will be ignited between arcing contact and static contact when the short-circuit current appears. This paper focuses on the arc evolution process at various currents in multiple parallel contact systems. A 3-D magnetohydrodynamic model of a multiple parallel contact structures is developed. In this model, the anode consists to five parallel contacts, and they are separated by insulation material. The near-electrode layer with a nonlinear voltage–current density characteristic is modeled to describe the near-electrode voltage drop, and the difference between near-anode and near-cathode layers is considered. The magnetic vector potential approach is adopted to calculate the time-varying electromagnetic field produced by the current loop. The arc evolution processes at various currents are analyzed by current density and arc voltage. It is noted that the anode arc root appears on multiple contacts with the increase of current. The arc evolution process mainly depends on the arc resistance characteristic.
          ASSISTANT PROFESSOR - INSECT VECTOR BIOLOGIST / INSECT PHYSIOLOGIST - University of Wisconsin–Madison - Madison, WI      Cache   Translate Page   Web Page Cache   
Assistant Professor - Insect Vector Biologist / Insect Physiologist. Position Vacancy ID:....
From University of Wisconsin–Madison - Mon, 30 Apr 2018 06:48:38 GMT - View all Madison, WI jobs
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          The War of 08.08.08 and Ten Years of Struggle for Russian Sovereignty      Cache   Translate Page   Web Page Cache   


The War of 08.08.08 and Ten Years of Struggle for Russian Sovereignty
August 09, 2018
In reality, those processes that we now observe didn’t arrive “suddenly”, but developed (and were being prepared) over a long period of time.
And although on August 8th, 2018, it is ten years since 08.08.08, we will start the conversation with other events.
Because officially it is a completely different date, namely February 10th, 2007 – the Munich speech of Putin, that can be considered as the official beginning of events that followed. Where he, for the first time, described for the entire planet:
  • the injustice of the existing global system;
  • the fact that China already overtakes the US, and BRIC overtakes the EU;
  • the inevitability of the end of the unipolar world;
  • the need to put an end to the arbitrariness of the US, which leans on brute force;
  • his disagreement with injustice.
If to look at the video, it is possible to see that many in the hall smiled and thought that Putin jokes (how can it be possible to protest against American hegemony – it’s unheard of!). But he wasn’t joking.
It is clear that this speech of Putin was not spontaneous, and it was preceded by big preparation (removing semibankirschina from power, cancellation of the Production Sharing Agreement, reforming the army, and so on). But most laypeople think in the category “if I don’t see something, then it does not exist”.
That’s why the events on August 8th, 2008 were a surprise for them.
On August 8th the American puppet Mikheil Saakashvili, who came to power in Georgia as a result of an illegal coup (called by propagandists as the “Rose Revolution”), ordered his troops – armed and trained according to NATO standards (and on American money) – to perform a punitive operation against the inhabitants of South Ossetia, having started to massively shell the capital of the republic – Tskhinvali.
In the city there were Russian peacekeepers, which had a UN mandate, and such aggression, according to the plan of the American owners of Saakashvili, had to show Russia “its place”. But something went astray.
According to the plan (approved, among other things, by the former Minister of Defence of Georgia Irakli Okruashvili), the Georgian army had to firstly carry out the large-scale bombing of Tskhinvali and the surrounding villages by means of long-range artillery and MLRS, and then, after defeating the not numerous Ossetian army (in total about 3,000 people), to start ethnic cleaning.
In order to implement this plan the US developed a large-scale program of training the Georgian army – its main focus was on “anti-insurgent actions”.
In particular, the British “Financial Times” newspaper openly wrote that 80 Georgian special forces members were trained by American instructors by the order of the Pentagon according to a program that was tested in Croatia in 1995 within the framework of the operation of the Croatian armed forces for the capture of Serbian Krajina. The FT noted that this operation was one of the worst episodes of ethnic cleaning in the history of the Yugoslavian war (since Vietnam the Americans have had a wide experience of war against a peaceful and unarmed population, much like their current Banderist lackeys).
During Saakashvili’s reign, Georgia increased its military budget by 30-fold (at the same time, ordinary Georgians outside the capital survived on $30-40 a month, which is below the norms of the UN for absolute poverty). If in 2003 military expenses of the state budget of Georgia were $30 million (0.7% of GDP), then in 2007 it was already $940 million (8% of GDP). For comparison, now in NATO the standard is 2%, and even this is too much for the majority of member countries, which thus don’t implement it).
In 2008 the military expenses of Georgia totalled $990 million, which exceeded a quarter of the entire state budget of this poor country! All of this, of course, was done contrary to the interests of ordinary Georgians and at their expense.
At the same time, Georgia received some weapons from Ukraine by bypassing standard procedures. It happened at the personal order of Viktor Yushchenko – one more American puppet (who also came to power as a result of a “soft” coup d’etat inspired by the US).
But all of this preparation didn’t help.
It should be noted that the Ossetian conflict was preceded by the illegal recognition of the independence of Kosovo. On February 17th, 2008 the independence of Kosovo was declared, and on the next day it was recognised by a number of the countries – first of all, the US.
The recognition of the independence of Kosovo caused an extremely negative reaction in the leadership of Russia, President Putin at the summit of the CIS countries on February 22rd said:
“The Kosovo precedent is a horrifying precedent. <…> Those who do it don’t foresee the results of what they do. Finally, this is a double-edged sword, and the second edge will one day hit them on the head”.
Since the end of July, 2008 the Georgian army starts to shell the settlements of Abkhazia and South Ossetia.
Since August 1st the Prime Minister of South Ossetia Yury Morozov starts the partial evacuation of the residents of Tskhinvali.
On August 7th the Georgian army tried to occupy Prisi heights around Tskhinvali, but this attack was repelled. On the same day the American ambassador in Georgia John Tefft reported to Washington that the troops of Georgia, including units with MLRS “Grad”, move in the direction of South Ossetia.
In the afternoon of August 7th, 2008 the secretary of the Security Council of South Ossetia Anatoly Barankevich stated:
“The activity of Georgian troops is observed along the entire border with South Ossetia. All of this says that Georgia starts large-scale aggression against our republic“.
At 2 o’clock in the morning on August 8th, 2008 the Georgian army, hoping that Russia won’t react to aggression during the Olympic Games, started an offensive.
On the morning of August 8th the commander of Georgian “peacekeepers” Mamuka Kurashvili called the actions of Georgia in South Ossetia “an operation on restoring constitutional order in the Tskhinvali region”. Later, in October, 2008, during enquiries into the August events in the Georgian parliament, Kurashvili stated that his words were impulsive and weren’t authorised by the top political leadership of Georgia (they always start trembling when the time comes to answer).
Later, Saakashvili tried to lie by saying that the war started after “the offensive of Russian troops from the territory of Ukraine”. By this he implied the departure of ships of the Black Sea Fleet of the Russian Federation from Sevastopol, which took place several days before the beginning of the Georgian offensive (in general, they regularly depart ports for raids, and there is never any aggression).
Also, Saakashvili lied by saying that “the president of Ukraine Yushchenko tried to stop by his decree the Black Sea Fleet, but Russia ignored it”. In reality, Yushchenko’s decree appeared only on August 13th, i.e., 5 days after the beginning of the war, and already after the President of Russia Medvedev officially announced the termination of the military operation aimed at coercive peacemaking.
Having gobbled up his tie, overdosed on cocaine, changed his pants after fleeing from the“invisible Russian jets”, and again overdosed on cocaine, Saakashvili raved that:
  • “the Georgian army forced Russian generals to flee from the battlefield for the first time since World War II” (I am not joking, he spurted this out in all seriousness);
  • “95% of the efficient part of the Armed Forces of Russia fought against Georgia”;
  • “the 58th Russian army was actually burned by the 4th Georgian brigade”;
  • “when the 58th army was defeated, Russia used ground and air forces. They fired more than half their ‘Iskander’ ammo”;
  • and so on.
In general, Saakashvili is a worthy colleague of the alcoholic Poroshenko in terms of killing brains via substance abuse, as well as in terms of “destroying Russian armies in words”.
Everybody laughed, but only at the words of the little fool Saakashvili.
Because as a result of Georgian aggression (which, by the way, had the code name “Clear Field”, which openly hints at the intention to carry out the genocide of Ossetians and Abkhazians), which started at 00:15 Moscow time on August 8th with the “Grad” shelling of Tskhinvali, 15 Russian peacekeepers died (and about 40 were wounded), and about 1600 peaceful citizens of South Ossetia were killed (and almost as much wounded). The “Human Rights Watch” human rights organisation confirmed the fact of the destruction of the Russian peacekeeping posts in Tskhinvali and Khetagurovo.
At 00:30 Moscow time the commander of the operations of the armed forces of Georgia General Mamuka Kurashvili announced on the air of the “Rustavi-2” TV channel that, in connection with the refusal of the Ossetian side to hold talks on the stabilisation of the situation in the conflict zone, the Georgian side “made the decision to restore constitutional order in the conflict zone”, which completely disproves the latest Georgian insinuations – that Ossetians and/or Russians attacked first.
At 10:00 on August 8th the Georgian state Minister for Reintegration Temur Yakobashvili called on Russia to “act as a real peacekeeper” and stated that “Georgia controls almost all the settlements of South Ossetia, except Tskhinvali and Dzhava”.
On the morning of August 8th Russian aircraft started bombing military facilities on the territory of Georgia: the military base in Gori; the airfields of Vaziani and Marneuli, where Su-25 and L-39 planes, as well as a radar station 40 kilometers from Tbilisi were based.
At 14:30 Moscow time, the first unit of the Russian army – the 1st battalion of the 135th regiment – passed through the Roki tunnel.
At about 17:00 the Foreign Minister of Georgia Eka Tkeshelashvili called on foreign countries to put pressure on the Russian government in order to stop “direct military aggression” on the territory of Georgia. The Russian Foreign Minister Sergey Lavrov in reply reminded that on the morning of August 8th Georgia called on Russia to act as a peacekeeper. “So that’s what we are doing,” said Lavrov.
On the morning of August 9th the 76th Guards Air Assault Division based in Pskov was transferred to the area of military operations. Russian ships entered the territorial waters of Georgia and started fighting the patrol.
On August 10th the ships of the Black Sea Fleet of the Russian Federation sank two Georgian combat kayaks.
On August 11th the “proud Georgians” fled.
By the way, even when the Georgian army carried out a cunning strategic manoeuvre under the name “chaotic escape”, the grant-eating Georgian media continued to report that:
  • “as a result of fighting in the Tskhinvali region the Russian 58th army lost 1789 soldiers, 105 tanks, 81 fighting vehicles, 45 armoured troop-carriers, 10 ‘Grad’ units, and 5 ‘Smerch’ units”;
or
  • “in Georgia there are so many corpses of Russian soldiers that they aren’t transported back to Russia” (compare to the fake information about the losses of Russians in Donbass and in Syria – the similarity of propaganda methods is obvious).
In reality everything is on the contrary: it is the Georgian armed forces that didn’t take any action to recover the corpses of their perished soldiers from Tskhinvali region, and some of the perished Georgian military personnel were buried in mass graves without being identified (compare to the cauldrons in Donbass and several thousand anonymous graves of UAF soldiers).
But all of this is just details. The main thing is that on 08.08.08 Russia showed to the whole world (not only Georgia) that:
  • it won’t allow genocide to be carried out on its borders;
  • it won’t allow its soldiers to be killed with impunity any more;
  • it is ready to pursue an independent policy (both internal and external);
  • the Russian army isn’t in ruins at all and not as destroyed as the West thought, but completely on the contrary – it is capable of destroying in literally several days a NATO army armed with American weapons and trained by American military advisers;
  • Russians can’t be pushed around; it is only possible to reach an agreement with Russians.
The first milestone is the Munich speech of Putin.
The second milestone is the defeat of the Georgian army under the howling and hysterics of the West.
The third milestone is the failure of the Bolotnaya Square attempt at a white ribbon coup.
The fourth milestone is the return of Crimea.
The fifth milestone is the uprising in Donbass.
The sixth milestone is the essential strengthening of the presence of the state in the economy of Russia, especially in strategic spheres.
The seventh milestone is the crushing of Anglo-Saxon proxies (ISIS, al-Nusra, and other puppet terrorists) in Syria.
The eighth milestone is transferring the vector of activity further away from its borders – to Africa (in addition to the Central African Republic, at least four other African countries).
The ninth milestone is the dumping of American debt papers (treasuries).
And there are many other smaller and not so noticeable steps, like: the emergence of new types of weapons; accession to various international organisations, contracts and associations (trade and economic, as well as security contours), as well as the involvement in these organisations of new countries; import substitution; the introduction of the “foreign agent” status; the creation of its own payment system; and many other things.
And all of this is on the way to the restoration of the sovereignty and greatness of Russia.
But at first there was Munich and 08.08.08.
The Essential Saker II
The Essential Saker II: Civilizational Choices and Geopolitics / The Russian challenge to the hegemony of the AngloZionist Empire
The Essential Saker
The Essential Saker: from the trenches of the emerging multipolar world

River to Sea Uprooted Palestinian   
The views expressed in this article are the sole responsibility of the author and do not necessarily reflect those of the Blog!

          The Other Side of Go: Programming Pictures, the Read, Parse, Draw Pattern      Cache   Translate Page   Web Page Cache   
The other side of Go: Programming Pictures, the Read, Parse, Draw Pattern Go has proven to be extremely versatile and well suited to back-end tasks, but sometimes you need a picture, and I’ve found that Go works well for generating visuals as well. This post will explore one method for generating pictures (specifically vector graphics) from data using the SVGo package. The SVGo package API performs a single function: generate standard SVG to an io.
          Ancien Grand MEUBLE d'IMPRIMERIE MEUBLE DE METIER LOFT VINTAGE DECO 2,1 mètres      Cache   Translate Page   Web Page Cache   
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          Étagère Murale porte manteau Bois neuve superbe indus , loft , meuble metier      Cache   Translate Page   Web Page Cache   
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          Tiroir d'imprimeur , meuble de métier , déco loft      Cache   Translate Page   Web Page Cache   
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          TABLE DE DRAPIER EN CERISIER MEUBLE DE MÉTIER      Cache   Translate Page   Web Page Cache   
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           Ancien meuble de métier de bijoutier 9 tiroirs avec porte étiquettes      Cache   Translate Page   Web Page Cache   
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          Meuble de métier bois : classeur de bureau 4 tiroirs       Cache   Translate Page   Web Page Cache   
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          SUPERBE ET RARE MEUBLE DE METIER MERCERIE VINTAGE DECO LOFT      Cache   Translate Page   Web Page Cache   
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          ASSISTANT PROFESSOR - INSECT VECTOR BIOLOGIST / INSECT PHYSIOLOGIST - University of Wisconsin–Madison - Madison, WI      Cache   Translate Page   Web Page Cache   
Assistant Professor - Insect Vector Biologist / Insect Physiologist. Position Vacancy ID:....
From University of Wisconsin–Madison - Mon, 30 Apr 2018 06:48:38 GMT - View all Madison, WI jobs
          Just when you thought spam was dead, it’s back and worse than ever      Cache   Translate Page   Web Page Cache   

Spam emails might seem like an outdated way to spread malware, but in 2018 they are proving to be the most effective attack vector thanks to new techniques and tricks.

The post Just when you thought spam was dead, it’s back and worse than ever appeared first on Digital Trends.


          ‘Teddy Bear’ Made From Chicken Skin Has Terrified Internet Users Crying Fowl      Cache   Translate Page   Web Page Cache   

Image via Shutterstock

Anyone who called ‘Winnie-the-Pooh’ from the 2018 live action Christopher Robin film creepy hasn’t seen nothing yet. Another teddy bear is making its rounds not because it’s adorable, but because it’s simply not for the chicken-hearted despite what it’s made out of.

Twitter account ‘Best of Nextdoor’, which culls some of the most priceless listings on the social network platform for neighborhoods, recently shared an image of a ‘chicken teddy bear’ from someone by the name of Maggie.

The photo is even more terrifying than its name—it’s a plush toy made out of slivers of raw chicken skin. It looks naked in an unsavory way, and is perhaps stuffed with your greatest nightmares.

Interested in a chicken teddy bear, perhaps??? pic.twitter.com/17ZboDtbRw

— Best of Nextdoor (@bestofnextdoor) August 7, 2018


According to the listing, the bear is priced at US$25 if you supply your own chicken, but US$35 if you’d rather have the handcrafter use their own chook. The toy is also “edible” and can be cooked, which is “great for family activity”—so you can eat your fears with your loved ones, maybe?

If you’re afraid your new friend might get cold, you can even pay a little more to have it clothed.

“[Who] woke up one day and was like, f*** chickens. I’m gonna make a chicken teddy bear!” said Twitter user ‘TheSparrowRayne’.

“This is like a Frankenstein version of ‘Build-a-Bear’,” wrote ‘TueHerlau’.

The item also made its way on the Good Morning New Orleans news show.

As novel as the idea seems, it actually went viral over the years, and was invented in 2013 by artist Victor Ivanov, who seemed to have regretted creating it.

“[I]t made me feel disgusted the entire time I was making it,”Ivanov said. “One should not know what it’s like to sew through skin.”

The real question is, if your lips accidentally brushed against the toy in your sleep, would you contract salmonella?

This is the grossest thing I’ve ever seen before 7am. 🍗🐻 Chicken covered teddy bears being sold in New Orleans 😨 https://t.co/Jb518fk7DO pic.twitter.com/dfVv0sHRvh

— KINSEY SCHOFIELD (@kinseyschofield) August 7, 2018


So.many.comments!. This is like a Frankenstein version of Build a Bear. I love: "Edible and can be cooked" - does this imply cooking is optional?

— Tue Herlau (@TueHerlau) August 7, 2018


anyone who shared that chicken teddy bear should be legally required to reimburse your therapy copays

— dj valenzuela (@ballerlibrarian) August 7, 2018


What in the actual fuck? Who the fuck woke up one day and was like... Fuck chickens. I'm gonna make a chicken teddy bear! Also who the fuck buys these? https://t.co/Yov5uCgu1V

— Sparrow Rayne (@TheSparrowRayne) August 7, 2018


All I want for my birthday is to not see that teddy bear made of chicken anymore.

— Hillary Estner (@hillrepute) August 7, 2018


people keep posting the teddy bear made of chicken and I never want to open this site again

— Balrog (@BalrogGameRoom) August 8, 2018


My kid wanted a new teddy and there was some chicken past its use-by in the fridge so I thought, Kill two birds with one stone. Now my kid is bawling, my wife is shouting at me. Jeez. pic.twitter.com/E9hYa4Sd81

— Alan Baxter (@AlanBaxter) August 7, 2018


This is how kids grow up and need therapy

— Queen of the Geeks👑 (@K2togetherSSK) August 7, 2018


But would it come back as a teddy or a chicken?

— Amy Rose (@SushiRollPhan) August 7, 2018




[via BuzzFeed News, images via various sources]
          I Kind of Want This Tiny Robot to Control My Home      Cache   Translate Page   Web Page Cache   
Vector us crafted to be an always-on robot monitoring you as candidly as Alexa or Google Home, but in a much more adorable chassis
          vector art      Cache   Translate Page   Web Page Cache   

creative.sp posted a photo:

vector art

Click on the favs icon and leave a comment.
#handmadetype #icon #illustration #illustrator #inspiration #instaart #lettering #logo #photoshop #posterdesign #SEO #sketch #sketchbook #type #typedaily #typedesign #typegang #typespire #typography #UX #appareldesign #art #artist #artoftheda #artwork #brand #brandidentity #branding #brushcalligraphy #calligrapher #calligraphy #cartoon #characterdesign #creative #creatives #designers #digitalart #doodle #draw #drawing #fineart #flatdesign #font #graphic #graphicart #graphics #handdrawntype #handmade


          Ramsey Quantitative Systems Raises Stake in Vector Group Ltd (VGR)      Cache   Translate Page   Web Page Cache   
Ramsey Quantitative Systems increased its holdings in shares of Vector Group Ltd (NYSE:VGR) by 48.8% in the second quarter, according to the company in its most recent Form 13F filing with the Securities and Exchange Commission (SEC). The fund owned 17,368 shares of the company’s stock after buying an additional 5,697 shares during the period. […]
          √ 37 Wedding Decoration Images Hd      Cache   Translate Page   Web Page Cache   
√ 37 Wedding Decoration Images Hd –  wedding stage stock download 3 484 s download 3 484 wedding stage stock s for free or an indian wedding stage with traditional floral decoration wedding wedding stage stock find wedding decoration stock in hd and millions of other royalty free stock photos illustrations and vectors in the ...
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          Anki Vector Robot      Cache   Translate Page   Web Page Cache   
Anki’s Vector is a smart, endearing and tiny robot assistant. It can connect to the Internet to answer your questions and tell you the weather. It can also set a timer and take photos. And it does all that with cute sounds and eyes.
          Forecasting Construction Tender Price Index in Ghana using Autoregressive Integrated Moving Average with Exogenous Variables Model      Cache   Translate Page   Web Page Cache   
Prices of construction resources keep on fluctuating due to unstable economic situations that have been experienced over the years. Clients knowledge of their financial commitments toward their intended project remains the basis for their final decision. The use of construction tender price index provides a realistic estimate at the early stage of the project. Tender price index (TPI) is influenced by various economic factors, hence there are several statistical techniques that have been employed in forecasting. Some of these include regression, time series, vector error correction among others. However, in recent times the integrated modelling approach is gaining popularity due to its ability to give powerful predictive accuracy. Thus, in line with this assumption, the aim of this study is to apply autoregressive integrated moving average with exogenous variables (ARIMAX) in modelling TPI. The results showed that ARIMAX model has a better predictive ability than the use of the single approach. The study further confirms the earlier position of previous research of the need to use the integrated model technique in forecasting TPI. This model will assist practitioners to forecast the future values of tender price index. Although the study focuses on the Ghanaian economy, the findings can be broadly applicable to other developing countries which share similar economic characteristics.
          Seashell      Cache   Translate Page   Web Page Cache   

sajeevan2 posted a photo:

Seashell

Vector illustration of Scallop seashell.


          An Indian Merchant Selling Fresh Fruits      Cache   Translate Page   Web Page Cache   
An Indian Merchant Selling Fresh FruitsAn Indian man with curly black hair, wearing a blue with gold turban, blue traditional clothing with an orange and yellow vest, dark gray sandals, smiles while crossing his arms over his chest, as he sells several fruits like watermelon, mangoes, oranges, bananas, and apples, on the white table, crate, and basket
          LEAD INFORMATION SECURITY ANALYST - VeriSign - Reston, VA      Cache   Translate Page   Web Page Cache   
Recognizing common attack vectors such as, recon scans, botnet, malware, command and control activity (C2), worms, trojans, and viruses....
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          Tier II SOC Analyst - Lunarline - Arlington, VA      Cache   Translate Page   Web Page Cache   
The SOC Analyst must have high-level knowledge of common attack vectors such as port scans, man-in-the-middle, DoS, DDoS, Trojans, viruses, and web application...
From Lunarline - Fri, 27 Jul 2018 21:23:31 GMT - View all Arlington, VA jobs
          Improving the Impedance Based Stability Criterion by Using the Vector Fitting Method      Cache   Translate Page   Web Page Cache   

Improving the Impedance Based Stability Criterion by Using the Vector Fitting Method

Dowlatabadi, M. B., Blaabjerg, F., Hjerrild, J., Kocewiak, L. & Bak, C. L. 2018 (Accepteret/In press) I : I E E E Transactions on Energy Conversion.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

OriginalsprogEngelsk
TidsskriftI E E E Transactions on Energy Conversion
ISSN0885-8969
DOI
StatusAccepteret/In press - 2018
PublikationsartForskning
Peer reviewJa

          Conoce el libro Diseño Digital de Moda: una herramienta para creativos del sector      Cache   Translate Page   Web Page Cache   
En nuestra webserie, El Nuevo Vestir, analizamos cómo la tecnología está impactando a la industria de la moda. Sin embargo, no analizamos cómo los software de diseño, se han convertido en una excelente herramienta para optimizar el proceso creativo y productivo. En esa línea ¿qué programas utiliza un diseñador de moda para diseñar? ¿con qué herramientas dibuja las fichas técnicas de las prendas? o ¿qué programa utiliza para diseñar estampados textiles? El nuevo libro "Diseño Digital de Moda" de Anna María López López -editado por Anaya Multimedia- busca responder esas y otras interrogantes, transformándose en un excelente complemento del "hacer" de los creativos del sector. En las próximas líneas te contaré más detalles de esta publicación, así también dónde comprarlo.

Libro "Diseño Digital de Moda


El libro Diseño Digital de Moda de 352 páginas a todo color, muestra numerosos ejemplos de diseño de moda profesional y ejercicios prácticos paso a paso para diseñar moda con herramientas digitales, especialmente enfocado para aprender a diseñar moda con programas de diseño vectorial.


En los primeros capítulos del texto, se muestran los inicios de la tecnología CAD-CAM aplicada al sector moda, su evolución hasta la impresión 3D y una introducción a los programas especializados del sector utilizados en las grandes empresas de moda (Lectra, Gerber Technologies, C-Design Fashion, Audaces), para en los capítulos siguientes, adentrarse en mostrar las técnicas y prácticas de diseño vectorial aplicadas al dibujo de prendas de vestir y al diseño de moda por computador.

Como valor añadido, el libro Diseño Digital de Moda, incorpora contenido digital adicional que el lector podrá descargar de su sitio web oficial, como por ejemplo, plantillas de figurines estilizados de hombre y mujer (creados en exclusiva para el libro, por el diseñador Eduardo Meliá), figurines articulados listos para diseñar moda sobre ellos, más de 400 cliparts de dibujos de prendas en plano (flats), o numerosos figurines técnicos de hombre, mujer y niño preparados para realizar fichas técnicas de moda.


La publicación también incluye un capítulo Galería con los diseños ganadores y finalistas del Concurso Internacional de Diseño Digital de Moda.

Diseño Digital de Moda es el libro especializado recomendado para aprender a utilizar las herramientas digitales para crear moda. Gracias a este completo manual, el diseñador puede elegir entre seguir diseñando mediante el método tradicional, con lápiz y papel, o dar el salto a las nuevas tecnologías para dar rienda suelta a su creatividad.


¿Dónde comprarlo? En Chile a través de Punto y Coma Librería  y en el resto del mundo en los puntos de distribución recomendamos por la editorial en su sitio web oficial.

¿Valor de referencia? $38.304 app (39,90 euros / US$45,9 app según precio estimado de editorial)


(Fotos gentileza de libro Diseño Digital de Moda)

          Redraw any image or logo with high precision vector vector file      Cache   Translate Page   Web Page Cache   
NB : To ensure excellent service please send the picture to be re-drawn first in a message to ensure the possibility of drawing ...... Do you have a picture or a logo with a poor quality or a logo you... (Budget: $10 - $15 USD, Jobs: Graphic Design, Illustration, Illustrator, Logo Design, Photoshop)
          BlackHat 2018       Cache   Translate Page   Web Page Cache   

前言

OTA(Over-The-Air)是汽车行业智能网联变革的核心能力之一。在本届Black Hat USA 2018大会上,腾讯科恩实验室带来了去年对特斯拉具备的先进OTA功能相关的安全研究成果。本成果对于促进汽车行业安全稳定落地智能互联解决方案具有重大意义,同时本议题也是全球首次针对汽车先进驾驶辅助系统(ADAS,特斯拉相关系统名为:Autopolit)的信息安全研究成果披露。

页首配图议题概要

腾讯安全科恩实验室在2016年至2017年间,连续两年针对特斯拉Model S和Model X进行了攻击测试,其预设的场景是避免通过物理方式接触汽车进行远程攻击。在去年举办的Black Hat USA大会上,科恩实验室的研究人员介绍了2016年特斯拉公司对其研究成果的致谢中所包含的具体细节,并向与会者展示了一系列特斯拉汽车的安全漏洞,获得了与会者的好评。此外,借助灯光舞蹈秀的形式展示了利用2017年发现的另一批漏洞攻击的威力,但相关漏洞的细节并未公布。

今年,腾讯安全科恩实验室带来的议题将会深入介绍2017年彩蛋视频背后涉及到的技术细节。除了介绍特斯拉基于云端的空中升级(OTA)机制,并展示一些攻击链中开发的新技术外,该议题还将着重介绍测试过程中发现的多个严重的安全漏洞。

发言人合影发言人简介

刘令,腾讯科恩实验室研究员,专注于逆向工程、漏洞挖掘、漏洞研究等技术,多次参与特斯拉等汽车的安全研究。曾在QEMU和XEN中发现多个虚拟化漏洞,同时也是一名CTF爱好者。

刘令张文凯,腾讯科恩实验室研究员,多次参与特斯拉、宝马等汽车安全研究项目,主要负责汽车CAN网络和汽车固件分析工作,有丰富的嵌入式系统软件开发经验,熟悉ECU设计过程和汽车CAN网络结构。

张文凯杜岳峰,腾讯科恩实验室研究员,多次参与特斯拉汽车安全研究,对逆向工程和恶意软件分析领域有着浓厚的兴趣。

杜岳峰议题解析

在今年的Black Hat USA大会上,腾讯科恩实验室安全团队向大家介绍了2017年披露的攻击链中相关漏洞的细节,并展示如何使用这些漏洞完成灯光秀。此外,自动驾驶系统的安全性已经成为一个新的热点话题,团队还会向大家展示对特斯拉辅助驾驶模块(即Autopillot,也称APE)的安全研究成果。

最后,团队还介绍了特斯拉对相关漏洞的修复结果,再一次强调只有安全研究者、安全社区和设备厂商互相合作,才能有效的提高整体安全水平。

会场

漏洞详解

在去年,我们利用了两个Webkit中存在的漏洞,实现了浏览器中的任意代码执行。今年的情况和去年类似,整个攻击过程依然是从一个Webkit漏洞开始的。

攻击过程中涉及到的部分硬件单元和连接方式如下图所示:

硬件单元和连接方式CID上具有一个Webkit内核的浏览器。在报告漏洞时,该浏览器仍保持为534.34版。

该版本的Webkit内核中,存在一个UAF漏洞,下图即是该漏洞的PoC代码:

PoC代码这个漏洞存在于对SVGTransformList元素的操作过程中。

该元素内部存在多个SVGTransform实例,这些实例的SVGMatrix结构会存储在一个Vector里。当SVGTransformListInitializeclear方法被调用后,Vecotr被释放,但访问VectorMatrix的指针仍然存留。利用该UAF漏洞,经过精心的内存布局之后,即可借助ArrayStorageUint32Array等结构的特性实现对内存的任意读和任意写,并从而实现了浏览器中的代码执行。

操作过程

获取了浏览器的权限之后,下一步操作就是突破内核和其他安全防护措施对浏览器的限制,从而得到root shell。

2016年,我们是通过利用Linux内核中的一个漏洞实现了该目的。但在2017年,由于特斯拉修复了相当多的内核漏洞,我们不得不寻找新的漏洞。

在2017年的车机固件中,浏览器进程只能访问/dev/nvmap/dev/nvhost-ctrl两个文件,这两个文件都是用来与英伟达Tegra芯片进行通信的驱动接口。在和这两个接口相关的代码中,我们发现了一处漏洞,该漏洞可使我们从用户空间对内核空间的任意内存地址减1。

接口相关代码这一漏洞存在于NVMap驱动中,当处理命令NVMAP_IOC_PIN_MULT时,由于对用户提供的指针数组验证不当,当其中包含一个非法结构时,非法结构体的引用数会被减1,而这个引用数的指针是用户态可控的。这意味着,用户态可以对内核态的任意内存地址减1。利用这一漏洞,结合Kernel中的其他gadget,我们可以对内核空间中的任意地址进行读写操作。之后对相关的syscallAppArmor配置进行篡改,即可拥有root shell。

获得root shell

得到root shell后证明CID已被完全攻破,下一个目标则是网关。

2016年我们报告了网关上的一些设计缺陷,特斯拉在收到报告后对相关漏洞进行了修复,通过加入签名机制,对网关上的升级软件传输操作进行了限制,未签名的升级软件将不能被传输到网关上,因此理论上使用非物理攻击方法是无法传输篡改后的升级软件的。

但在对新软件进行安全审计的过程中,我们发现升级过程中存在行为不一致的问题。如下图所示,尽管网关的文件传输协议限制了直接传输升级软件的操作,名为“boot.img”的升级软件无法直接传输到网关上,但文件系统的重命名行为和文件传输协议的重命名行为不一致。文件系统会忽略目标文件名首部的空格,导致目标文件名“\x20boot.img”会被文件系统理解为“boot.img”,从而绕过了升级软件对文件名的检查。

文件系统

用这种方法刷入我们修改后的升级软件后重启网关使其执行升级软件,即可在网关上执行我们修改后的升级代码植入后门,或绕过原有升级软件对固件签名的检查。此外,我们还对整个OTA升级过程进行了研究。特斯拉的OTA升级过程大致可由下图所示的几个关键步骤描述。

OTA过程云端通过特斯拉自有的握手协议下发固件下载地址后,特斯拉CID上的cid-updater会从云端下载固件,进行解密,并校验其完整性。之后通过类似于A/B Update的方式,车内其他强运算力的联网组件(如IC、APE等)根据cid-updater提供的固件文件进行升级。

固件升级

此外,cid-updater还会负责根据固件包中的目录信息与车辆配置做比照,据此产生release.tgz文件,并和上文提到过的升级软件boot.img一同提供给网关。然后网关执行上述升级软件,更新在网关上连接的二十余个ECU。

为了展示我们对车电系统整体的理解,我们对特斯拉在2016年年末推出的彩蛋功能进行了自定义修改和展示。

下图是彩蛋过程中几个重点参与活动的ECU:

ECU信息

首先,CID会发送启动信号,触发这一过程,信号会被发送至BCCEN,该控制器对相关硬件进行初始化操作后,会确认目前车辆是否准备好启动彩蛋,并等待钥匙的按键信号。按键后,CID开始播放音乐,同时BCCEN以及其他ECU会按照各ECU中存储的动作表,控制各组件按照预定计划动作。

因此为了实现自定义彩蛋功能,我们在CID中动态修改了多个检查点,并对ECU固件中的动作表进行了修改,将修改后的固件刷入了ECU中。

刷入CID最后,作为对前沿技术的一个尝试,我们研究了ape-updater中的安全漏洞。该程序作为特斯拉OTA框架中的一部分,负责整个APE系统的更新。

ape-updater中的安全漏洞

该程序提供了两个业务端口:

25974端口提供了一个交互式shell和多种命令,可供CID进行控制;

28496端口可通过一个HTTP服务器提供其他组件需要的文件。

端口信息在25974端口提供的handshake命令中,会从服务器请求一个JSON字符串,并稍后提供给install命令解析。

在某个特定版本的特斯拉APE固件中,我们发现了名为m3-factory-deploy的命令,该命令可覆盖handshake返回的JSON,从而让攻击者提供的JSON被解析。

m3-factory-deplo命令

利用JSON中存在的self_serve键值,可以要求APE将/var/etc/saccess/tesla1这一文件暴露在HTTP服务器下,从而可得到其内容。

利用其为凭据,可通过25974端口得到ape-updater中自带的命令执行权限,可以重新开启SSH,并以root权限在APE上执行任意程序。

image.png

特斯拉的反馈

在上述所有漏洞报告给特斯拉后,特斯拉迅速做出了反应,措施包括:

修复Webkit漏洞;

与英伟达共同修复NVMap中的内核漏洞;

修复Gateway中的漏洞。

团队还注意到特斯拉在其系统安全性上不断地进行改善与提高,比如:

更严格的iptables限制;

对OTA框架中的几个关键程序进行进一步加固;

降低saccess文件夹中token的权限;

禁止系统降级;

……

这一过程中,特斯拉专业的安全响应团队和他们的OTA机制起到了关键的作用,防止了车主受到进一步的威胁。

演讲现场照片

image.png由于篇幅所限,对相关漏洞我们只介绍了类型和核心原理,对这个研究感兴趣的朋友可以查看我们发布的白皮书《穿云拨雾:对特斯拉汽车网关、车身控制模块以及辅助驾驶(Autopilot)ECU的渗透测试》获取更多信息。

关注“腾讯科恩实验室”公众号,回复“车联网安全”即可获取Black Hat 2018议题白皮书!

*本文作者:腾讯安全科恩实验室,转载请注明来自FreeBuf.COM


          腾讯科恩实验室Black Hat USA 2018议题解读       Cache   Translate Page   Web Page Cache   

背景介绍

OTA(Over-The-Air)是汽车行业智能网联变革的核心能力之一。本次Black Hat USA 2018上,腾讯科恩实验室带来了2017年对特斯拉具备的先进OTA功能相关的安全研究成果。本成果对于促进汽车行业安全稳定落地智能网联化具有重大积极作用,同时本次议题也是全球首次涉及对汽车先进驾驶辅助系统(ADAS,特斯拉相关系统名为:Autopolit)的信息安全研究成果披露。更多详细信息请关注腾讯科恩实验室官方微信号:KeenSecurityLab,并回复“车联网安全”即可获得此次研究技术细节白皮书。

image

议题概要

腾讯安全科恩实验室在2016年和2017年,在避免物理接触汽车的远程攻击场景下,连续两年针对特斯拉Model S和Model X进行了攻击测试。在去年举办的Black Hat USA大会上,科恩实验室的研究人员介绍了2016年特斯拉公司对其研究成果的致谢中所包含的具体细节,并向与会者展示了一系列Tesla汽车的安全漏洞,获得了与会者的好评。此外,借助灯光舞蹈秀的形式展示了利用2017年发现的另一批漏洞攻击的威力,但相关漏洞的细节并未公布。今年,该议题将会进一步介绍2017年彩蛋视频背后涉及到的技术细节。除了介绍特斯拉的由云端主导的空中升级(OTA)机制,并展示一些攻击链中开发的新技术外,该议题还将着重介绍测试过程中发现的多个严重的安全漏洞。

image
 

作者简介

刘令,腾讯科恩实验室研究员,专注于逆向工程、漏洞挖掘、漏洞研究等技术,多次参与特斯拉等汽车的安全研究。曾在QEMU和XEN中发现多个虚拟化漏洞,同时也是一名CTF爱好者。

image

张文凯,腾讯科恩实验室研究员,多次参与特斯拉、宝马等汽车安全研究项目,主要负责汽车CAN网络和汽车固件分析工作,有丰富的嵌入式系统软件开发经验,熟悉ECU设计过程和汽车CAN网络结构。

image

杜岳峰,腾讯科恩实验室研究员,多次参与特斯拉汽车安全研究,对逆向工程和恶意软件分析领域有着浓厚的兴趣。

image

议题解析

在今年的Black Hat USA大会上,我们向大家介绍2017年的攻击链中相关漏洞的细节,并分享使用这些漏洞是如何完成灯光秀的。此外,自动驾驶系统的安全性已经成为一个新的热点话题,我们则会向大家展示在特斯拉车上,对辅助驾驶模块(即Autopillot,也称APE)的安全研究成果。最后,和以往一样,我们将会介绍特斯拉对相关漏洞的修复结果,并再一次强调只有安全研究者、安全社区和设备厂商互相合作,才能有效的提高整体安全水平。

image

攻击过程中涉及到的部分硬件单元和连接方式如下图所示。在去年,我们利用了两个Webkit中存在的漏洞,实现了浏览器中的任意代码执行。今年的情况和去年类似,整个攻击过程依然是从一个Webkit漏洞开始的。

CID上具有一个Webkit内核的浏览器,在漏洞报告时,该浏览器仍保持为534.34版。该版本的Webkit内核中,存在一个UAF漏洞,下图即是该漏洞的PoC代码:

image

这个漏洞存在于对SVGTransformList元素的操作过程中。该元素内部存在多个SVGTransform实例,这些实例的SVGMatrix结构会存储在一个Vector里。当SVGTransformList的Initialize或clear方法被调用后,Vecotr被释放,但访问Vector中Matrix的指针仍然存留。利用该UAF漏洞,经过精心的内存布局之后,即可借助ArrayStorage、Uint32Array等结构的特性实现对内存的任意读和任意写,并从而实现了浏览器中的代码执行。

image

获取了浏览器的权限之后,下一步操作就是突破内核和其他安全防护措施对浏览器的限制,从而得到root shell。2016年,我们是通过利用Linux内核中的一个漏洞实现该目的的,但在2017年,由于特斯拉修复了相当多的内核漏洞,我们不得不寻找新的漏洞。

在2017年的车机固件中,浏览器进程只能访问/dev/nvmap和/dev/nvhost-ctrl两个文件,这两个文件都是用来与英伟达Tegra芯片进行通信的驱动接口。在和这两个接口相关的代码中,我们发现了一处漏洞,该漏洞可使我们从用户空间对内核空间的任意内存地址减1。

image

这一漏洞存在于NVMap驱动中,当处理命令NVMAP_IOC_PIN_MULT时,由于对用户提供的指针数组验证不当,当其中包含一个非法结构时,非法结构体的引用数会被减1,而这个引用数的指针是用户态可控的。这意味着,用户态可以对内核态的任意内存地址减1。利用这一漏洞,结合Kernel中的其他gadget,我们可以对内核空间中的任意地址进行读写操作。之后对相关的syscall和AppArmor配置进行篡改,即可拥有root shell。

image

得到root shell证明CID已被完全攻破,下一个目标则是网关。2016年我们报告了网关上的一些设计缺陷,特斯拉在收到报告后对相关漏洞进行了修复,通过加入签名机制,对网关上的升级软件传输操作进行了限制,未签名的升级软件将不能被传输到网关上,因此理论上使用非物理攻击方法是无法传输篡改后的升级软件的。

但在对新软件进行安全审计的过程中,我们发现,升级过程中存在行为不一致的问题。如下图所示,尽管网关的文件传输协议限制了直接传输升级软件的操作,名为”boot.img”的升级软件无法直接传输到网关上,但文件系统的重命名行为和文件传输协议的重命名行为不一致。文件系统会忽略目标文件名首部的空格,导致目标文件名“\x20boot.img”会被文件系统理解为”boot.img”,从而绕过了升级软件对文件名的检查。

image

用这种方法刷入我们修改后的升级软件后,重启网关,使其执行升级软件,即可在网关上执行我们修改后的升级代码,植入后门,或绕过原有升级软件对固件签名的检查。

此外,我们还对整个OTA升级过程进行了研究。特斯拉的OTA升级过程大致可由下图所示的几个关键步骤描述。

云端通过特斯拉自有的握手协议下发固件下载地址后,特斯拉CID上的cid-updater会从云端下载固件,进行解密,并校验其完整性。之后通过类似于A/B Update的方式,车内其他强运算力的联网组件(如IC、APE等)根据cid-updater提供的固件文件进行升级。

此外,cid-updater还会负责根据固件包中的目录信息,与车辆配置做比照,据此产生release.tgz文件,并和上文提到过的升级软件boot.img一同提供给网关,网关执行上述升级软件,更新在网关上连接的二十余个ECU。

为了展示我们对车电系统整体的理解,我们对特斯拉在2016年年末推出的彩蛋功能进行了自定义修改和展示。下图是彩蛋过程中几个重点参与活动的ECU:

image

首先,CID会发送启动信号,触发这一过程,信号会被发送至BCCEN,该控制器对相关硬件进行初始化操作后,会确认目前车辆是否准备好启动彩蛋,并等待钥匙的按键信号。按键后,CID开始播放音乐,同时BCCEN以及其他ECU会按照各ECU中存储的动作表,控制各组件按照预定计划动作。

因此为了实现自定义彩蛋功能,我们在CID中动态修改了多个检查点,并对ECU固件中的动作表进行了修改,将修改后的固件刷入了ECU中。

image

最后,作为对前沿技术的一个尝试,我们研究了ape-updater中的安全漏洞。该程序作为特斯拉OTA框架中的一部分,负责整个APE系统的更新。

image

该程序提供了两个业务端口,其中25974端口提供了一个交互式shell和多种命令,可供CID进行控制;28496端口可通过一个HTTP服务器提供其他组件需要的文件。

image

在25974端口提供的handshake命令中,会从服务器请求一个JSON字符串,并稍后提供给install命令解析。在某个特定版本的特斯拉APE固件中,我们发现了名为m3-factory-deploy的命令,该命令可覆盖handshake返回的JSON,从而让攻击者提供的JSON被解析。

image

利用JSON中存在的self_serve键值,可以要求APE将/var/etc/saccess/tesla1这一文件暴露在HTTP服务器下,从而可得到其内容。利用其为凭据,可通过25974端口得到ape-updater中自带的命令执行权限,可以重新开启SSH,并以root权限在APE上执行任意程序。

image

在上述所有漏洞报告给特斯拉后,特斯拉做出了及时的反应,其中包括:

  • 修复Webkit漏洞
  • 与英伟达共同修复NVMap中的内核漏洞
  • 修复Gateway中的漏洞

我们还注意到特斯拉在其系统安全性上不断地进行改善与提高,比如:

  • 更严格的iptables限制
  • 对OTA框架中的几个关键程序进行进一步加固
  • 降低saccess文件夹中token的权限
  • 禁止系统降级
  • ……

我们认为在这一过程中,特斯拉专业的安全响应团队和他们的OTA机制起到了关键的作用,防止了车主受到进一步的威胁。

image

image

由于篇幅所限,对相关漏洞我们只介绍了类型和核心原理,对我们的研究感兴趣的朋友可以查看我们发布的白皮书《穿云拨雾:对特斯拉汽车网关、车身控制模块以及辅助驾驶(Autopilot)ECU的渗透测试》获取更多信息。


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          Nordschwarzwald: Region ruft wegen schlechter Festnetzversorgung nach Telekom      Cache   Translate Page   Web Page Cache   
Die Telekom soll nach dem Willen des Regionalverbandes Nordschwarzwald ihre Vectoring-Anschlüsse überall ausbauen, dann in FTTH umwandeln und dafür 250 Millionen Euro ausgeben. Beim Ausbau der Region Stuttgart sei der beabsichtigte kommunale Verzicht zum Auf- und Ausbau eigener Backbone-Netze keine gute Sache. (Glasfaser, Telekom)
          Мишки очень любят мёд - Вектор / Bears love honey - Vector      Cache   Translate Page   Web Page Cache   
Мишки очень любят мёд - Вектор / Bears love honey - Vector 21 EPS, 21 JPG + preview / 66 mb
          Create Vector File of Attached image [Guaranteed]      Cache   Translate Page   Web Page Cache   
Hi, Attached is the image, create vector file for same. It should be high quality. (Prize: 10)
          A Word About Vomit      Cache   Translate Page   Web Page Cache   

Care and Feeding is Slate’s parenting advice column. Have a question for Care and Feeding? Email careandfeeding@gmail.com or post it in the Slate Parenting Facebook group.

Dear Care and Feeding,

How do I go about teaching my daughter what to do in an emergency without a landline? We live in a rural area with no neighbors within yelling distance, and if something were to happen to one or both of the adults in our household, I’m not at all sure how she would manage to call 911. What if she can’t find our cellphones? And if she DID find them, how does she deal with unlocking them (they both have to be pass-coded for work)?

—Borrowing Trouble

Dear BT,

I have such a nice, easy answer for the second half of your question! You can call 911 from pretty much any cellphone, be it locked or belonging to the president or having had its service shut off for nonpayment. Take a minute to show your kids how. (Just pick up the locked phone and look for the “Emergency” option, or Google how it works for your particular provider.)

As for the first part of your question, you really do need to make sure your 5-year-old has access to some means of finding a device on which to make that call. If you have any kind of cable bundle, you likely have the option to toss a landline in there for basically nothing, or you can get a basic dumbphone/burner to leave, charged, in an easily accessible location. Practice is what matters, so periodically talk to your daughter about what to do if something happens necessitating that call (something non-terrifying, ideally, like “panda bears are trying to get into the hot tub”) and have her walk you through what she would do next. The dispatcher may not be able to pinpoint your address from a defunct cellphone, or one in an area with sparser tower coverage, so your daughter will still need to be able to tell them your address.

* * *

More Care and Feeding

My Partner Insisted I Have an Abortion, and I Regret It. Can Our Relationship Survive?

Oh Shoot, Our Freaking 3-Year-Old Has Started Swearing

Comforting Your Kids About Troubled Times Is Not Enough. Be a Helper.

Slate Plus Bonus: My Partner Doesn’t Want My Daughter to Visit My Mom

* * *

Dear Care and Feeding,

Help! I have 18-year-old twin stepdaughters. They have lived mostly out of state with their mother but have spent a considerable amount of time with us, and now they are preparing to go away to college. They are currently staying with us. This morning, one of them told me she threw up last night and wasn’t sure why. She said the nausea came on her unexpectedly. I jokingly said, “You’re not pregnant, are you?” and she said “no, no” followed by “I don’t think so?” and “I hope not!” I choked out a “Good Lord!” before she walked away.

I know I have to have a follow-up conversation with her about this, regardless of whether she just ate something bad. But I don’t know how! We have a good relationship, and I’ve always told her she can come to me about anything—specifically if there’s anything she’s afraid to talk to her mom about. I don’t want to tell her dad about this because I don’t know how he’ll react.

How would you start this conversation? I’d like to offer her birth control help, but I don’t even know how it works. She isn’t covered by our insurance, so can we just walk into a Planned Parenthood and get birth control for her? What would you do next?

—Too Young to Be a Stepgrandmother!

Dear TYtBaS,

So, my immediate read is “girl, she’s probably just messing with you” (successfully, too!), but since no action is required for that eventuality, let’s instead proceed with the idea she might not be. She’s an adult (a new one, but an adult), which in my opinion allows you more flexibility to be like “Hi, fellow adult! Are you feeling better today? I know you probably have all this sorted, but if not, I’d be happy to help you look into getting on more reliable birth control.” You can indeed just go to Planned Parenthood (and she can go without you).

Her reaction will likely tell you if you need to probe a bit further or move on blissfully with your lives as independent grown women. Generally, I do not encourage “please, tell me things you don’t want to tell your parents!” if you’re not prepared to be told things she does not wish to tell her parents, but I definitely don’t think “your 18-year-old daughter may be sexually active” is in the realm of things you are obliged to tell your husband.

This is probably not a big deal. On the off-chance it is a big deal, just stick with warm/welcoming/kind/informative, and let her make the next move after that.

* * *

Dear Care and Feeding,

I just left work to pick up my 1-year-old son from day care (this time, it’s hand-foot-and-mouth, eurghh). In the four months he’s been going to day care, he’s gotten sick what feels like a TON, maybe five or six times already? I know every child is different and all sorts of bugs spread around day cares and schools, but does this happen to other kids this often? It feels like we’re an infinite loop of germs! His health is our main concern, of course, but it’s also super frustrating that we pay every week no matter what! I guess I just want a reality check?

—Why Is He So Sick All the Time?

Dear WIHSSAtT,

I’m so sorry. The first year in preschool (especially the first cold and flu season), most kids are sick constantly. See also: doctors in their first year of residency, preschool teachers in their first year, and so on. The good news is that next year will be better! You may even get a whole month in between sick days.

This is just how it is. Kids are gross, and they’re always sticky and damp and they touch and lick things and have no sense of personal space, they are perfect little disease vectors. Good hand-washing habits and a school that sterilizes toys every day will only go so far: You’re going to be sick a lot.

It’s awful! And schools that have the (reasonable!) policy that you can’t bring your kid back within 48 hours of a mild fever have the effect of burning through your time off like a wildfire.

You just need to get through this, ideally with some of your sense of humor intact.

* * *

Dear Care and Feeding,

My 15-year-old son asks me every so often if he can attend a coed sleepover at a friend’s house. I consistently say “no” and explain my position, he huffs about it, and then we go on with life until the next time he asks.

I consider myself to be a pretty liberal person, and it’s not that I don’t trust my son and his friends. I just think it’s inappropriate for them to be having coed sleepovers at this age. I don’t know why, it just sits in my gut and won’t change.

Am I being unreasonable? Should I reach out to the mother that’s hosting and say something? At this point I’d just like them to stop inviting him so we can avoid the repeated disagreements. Or, should I let him go and get over this purist idea that high school coed sleepovers are inappropriate?

—Mostly Liberal Mom

Dear MLM,

I mean, first of all, I wouldn’t worry that your Liberal Credentials are at risk in this scenario. Do you still feel terrible fast-forwarding through Pledge Drive Week on PBS? Routinely overthink minor interactions with panhandlers? Yes? You’re fine.

Calling this kid’s mother to ask that she stop inviting your son to these parties is a great threat, like “If you don’t stop asking me if you can attend these coed sleepovers, I will call Dylan’s mom and cut off this problem at the head.” There is a nonzero chance that Dylan’s mom is not aware she is hosting frequent coed sleepovers, and is in fact just in Duluth on those evenings for work, and if that’s the case, your son will definitely stop nagging you to acquiesce.

I doubt that this scenario is coming up more than once every couple of months, and if you’re not comfortable dramatically saying “over my dead body” to your 15-year-old with that kind of frequency, you need to lean in to your authority a touch more.

Best of luck being the Meanest Mother in the Whole World! You’ll be in great company.

—Nicole


          تصميم قافلة جمال في الصحراء الساحرة ملف مفتوح      Cache   Translate Page   Web Page Cache   
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          The children hurry to school - Vector      Cache   Translate Page   Web Page Cache   
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          New BlueVu Inspection Software Generates Automatic Professional Looking Report      Cache   Translate Page   Web Page Cache   
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          Robô industrial ganha prêmio Vector de Ouro      Cache   Translate Page   Web Page Cache   

Robô industrial de perfuração e rebitagem de fuselagens de aeronaves ganha o prêmio vector de ouro A cada dois anos, a igus GmbH concede o prêmio vector para aplicações inovadoras que usam sistemas de esteiras porta cabos. Este ano foram inscritas 187 aplicações diferentes de 30 países. O prêmio de ouro foi para o Loxin ...

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          Senior Electronics Engineer: VECTOR RECRUITMENT LIMITED      Cache   Translate Page   Web Page Cache   
£Attractive + Benefits package: VECTOR RECRUITMENT LIMITED
For more latest jobs and jobs in London & South East England visit brightrecruits.com
          Senior Electronics Engineer: VECTOR RECRUITMENT LIMITED      Cache   Translate Page   Web Page Cache   
£Attractive + Benefits package: VECTOR RECRUITMENT LIMITED
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          IS GOLD IN THE VERGE OF BREAKING OUT? / BARRON´S MAGAZINE      Cache   Translate Page   Web Page Cache   

Is Gold on the Verge of Breaking Out?

Myra P. Saefong

Is Gold on the Verge of Breaking Out?

This could be the year that gold prices hit a record.

A massive move in gold, driven in part by declines in the U.S. dollar and Treasury bonds, excessive optimism in the stock market, and rising inflation, may help send prices above $1,900 an ounce this year, surpassing the all-time high from 2011. “Gold has been in a stealth bull-market phase for the past few years with little notice from most investors,” says Peter Spina, chief executive of precious-metals information provider GoldSeek.com. “Gold at $2,000 is a long shot, but not an improbable target by any means.”

Barron’s John Kimelman recently flagged the gold rally, offering a number of ways to play it (“Gold’s Recent Rally Could Be Just the Start,” Jan. 6). Among the most popular: exchange-traded funds such as the SPDR Gold Shares (ticker: GLD) and the Van Eck Vectors Gold Miners (GDX).

On Wednesday, February gold settled at $1,339.20 an ounce—the highest futures finish since September 2017. Gold hasn’t ended a session above $1,400 since September 2013. “Gold is on the verge of breaking out of a multiyear base that has formed between [approximately] $1,400 and $1,050,” says Jeb Handwerger, publisher of the Gold Stock Trades newsletter. If it does break above $1,400, “don’t be surprised to see moves like we saw in cryptocurrencies.” Gold, he says, could then “see a doubling in the price from $1,400 to $2,800 in 2018, especially as the Chinese have been rumored to be dumping U.S. bonds and dollars as the greenback hits new three-year lows.”

And gold’s move is much more likely to have staying power than bitcoin. “The difference between moves in bitcoin and gold is that the gold move will be sustainable, as it is driven by supply and demand, whereas bitcoin is all speculative,” he adds (see “Are Investors Selling Gold to Buy Bitcoin?” Dec. 16, 2017).

In a report released earlier this month, the World Gold Council identified themes likely to influence gold’s performance this year, including synchronized global economic growth, especially in China, home to the world’s largest gold market, and “frothy asset prices.” Adds the WGC: “Should global financial markets correct, investors could benefit from having an exposure to gold, as it has historically reduced losses during periods of financial distress.”

Meanwhile, the market expects a spike in Chinese gold demand ahead of the Lunar New Year on Feb. 16. Final demand data for the first quarter won’t be released until April, says Juan Carlos Artigas, director, investment research at the WGC, but he points out that the first three quarters of last year saw an “upward trend in China’s bar and coin demand,” compared with a year earlier.


Gold has shown persistent strength in recent weeks. On Dec. 20, gold futures started their longest winning streak on record, eventually posting gains for 11 trading sessions in a row ending on Jan. 5. “The odds are highly favorable that in the coming week or months, the [$1,350 gold] barrier will fall and the momentum will be unleashed,” says Spina, predicting prices of $1,500 to $1,600 on the upside, with “potential to reach near-prior records.” Gold futures hit a record intraday high above $1,900 in September 2011.

Is Gold on the Verge of Breaking Out?

SOME ANALYSTS, HOWEVER, offered a more moderate outlook. Nitesh Shah, director and commodities strategist at ETF Securities, says his “base case fair value” for gold is “broadly flat over the coming year, as support from rising inflation will counter the downward pressure from rising interest rates.” He pegged “fair value” at about $1,280 for the year under that scenario.

But his “bull case” would see gold rise to $1,420 by midyear and settle just below $1,400 by year end—assuming only two U.S. interest-rate hikes in 2018, which would imply a more moderate rise in ICE’s U.S. Dollar Index (DXY) and U.S. Treasury yields. Strength in the greenback can dull gold’s attractiveness to holders of other currencies, and rising bond yields can hurt its investment appeal since gold offers no yield.

On the more bearish side, gold prices may fall to $1,110 by year end if the Federal Reserve delivers four rate hikes and assuming the “absence of any geopolitical risk premia or adverse financial market shock,” says Shah.

Meanwhile, Chris Gaffney, president of World Markets at EverBank, says that $2,000 gold is “unlikely” in 2018, but $1,600 is “possible.” Adds Gaffney: “Everything would need to fall into place for gold, but if we get a major black-swan event, or a major correction in the equity markets, we could easily see gold investors flock back into the market, and a 20% gain in price could occur.”
          GOLD SLUMPS ON TRADE WAR FEARS / SPROTT THOUGHTS      Cache   Translate Page   Web Page Cache   

Sprott Gold Report: Gold Slumps on Trade War Fears

By Shree Kargutkar, Portfolio Manager, Sprott Asset Management LP

In late January, the 10% sell-off of the S&P 500 Index was caused by the prospect of a global trade war. Six months later, the U.S. equity markets have recovered but “trade war” headlines dominate the news. On June 1, the Trump administration launched its steel and aluminum tariffs on imports from Canada, Mexico and the European Union. New tariffs on Chinese goods followed and we are now in the midst of a growing global trade war.

Some market participants believe that the United States is insulated from the effects of a global trade war. Others are of the opinion that a full-blown trade war is unlikely, while some still believe that mutually beneficial trade agreements can still be brokered. Market participants have attempted to de-risk their portfolios by moving into the U.S. dollar and U.S. equities, which explains their recent strength. U.S. technology, healthcare and consumer discretionary stocks are now the most crowded trades while emerging market equities, bonds and currencies have been sold off. The move out of emerging markets, in particular, explains some of the recent strength in the U.S. dollar.

Commodities have been another casualty of the global trade war. Except for crude oil, whose strength is related to pressure on supply from Venezuela and Iran, virtually all commodities, including gold have been liquidated. The GLD ETF,1 which we use as a proxy for gold bullion, saw its value drop by 5.68% in Q2 of 2018 (year-to-date GLD has lost 4.04%). Gold equities have stumbled in line with the yellow metal; GDX2 has declined 4.00% year-to-date.

THE SILVER LINING?

For some time, we have highlighted silver’s value proposition relative to gold. For most of Q2, silver outperformed gold, although some relative gains were surrendered in late June. For the long term, we continue to see silver and silver equities favorably positioned to provide outsized gains relative to gold and gold equities. As of June 30, the gold/silver ratio was a steep 80:1, and we believe it is likely to return to its long-term historical average of 60:1.

WHY ISN’T GOLD DOING BETTER?

One of the most commonly asked questions of late has been: Why isn’t gold doing better? Admittedly, we have also been perplexed. Finance 101 teaches us that the market is an accurate discounting mechanism – unless uncertainty prevents the market from doing so. We see new forks emerge in the U.S. policy towards trade and geopolitics almost daily. The current Trump administration is currently engaged in a trade war with the European Union, Canada, Mexico and China.

Despite all the bluster, the monetary impact of the trade war remains quite small. Currently, $34 billion worth of Chinese goods are being hit with an import tax, for which China has retaliated in kind. Canada countered in early July after $12 billion worth of goods, primarily steel and aluminum, were slammed with a tariff. The U.S. – Canada trade partnership is worth almost $630 billion while the U.S. – China trade relationship is valued at nearly $650 billion. The U.S. currently trades approximately $2.3 trillion worth of goods with the world and the portion of goods affected by import tariffs is estimated to be $92 billion, or a mere 4%.

In the grand scheme of things, tariffs on a small portion of trade have had minimal impact. While Trump has threatened to tax the $500 billion of goods being imported from China and has even threatened local automakers from manufacturing cars in NAFTA countries, many investors remain hopeful that the trade disputes will be settled before an all-out trade war occurs. If the current trade “skirmish” leads to a full-scale trade war, we have the potential to see the emergence of a strong bull market for gold.

SEEKING SHELTER IN THE U.S. DOLLAR

The knee-jerk reaction for most market participants, when faced with the prospect of loss, is to seek shelter under the comforting shade of the U.S. dollar. The prospect of a global trade war has prompted investors to flee emerging markets, particularly those most exposed to potential trade war fallout and repatriated capital. This has placed a sizeable bid under the U.S. dollar, in spite of spiraling U.S. budget deficits. U.S. dollar strength has also been fueled by U.S. corporations that began repatriating cash held offshore for years. This repatriated cash appears to have been promptly deployed into share buybacks and not into capital projects as the Trump administration had hoped. It is little wonder that the U.S. dollar has appreciated relative to virtually every major currency, including gold.

Figure 1: The U.S. Dollar YTD Strength (Percent Gains YTD of U.S. Dollar versus 10 Currencies and Gold Bullion). Source: Bloomberg (Jan 1 – July 20, 2018).
 
Panic buying of the U.S. dollar and liquidation by frustrated holders of gold have led to a situation in which everything that could go wrong for the yellow metal has gone wrong, and sentiment in gold has never been weaker. This is easily evidenced by anemic futures positioning in gold. By contrast, gold equities have held up remarkably well. Gold equities generally lead gold bullion prices. With gold futures positioning near two-year lows, it leads us to believe that while commodity traders have liquidated their speculative positions, long-term oriented investors have encouragingly stood steadfast to gold.

Figure 2: Gold Futures Positioning at Two-Year Lows. The CEI1GNCN Index measures the Bloomberg CFTC CMX Gold Net Non-Commercial Futures Positions. Source: Bloomberg (January 2013 – July 24, 2018).
 
TRADE WARS OFTEN HURT THOSE THEY SHOULD PROTECT: LESSONS FROM SMOOT-HAWLEY
In the past, U.S. trade wars have often hurt those they were meant to protect: American consumers and producers. The automotive revolution in the 1920s resulted in massive job losses in the horse carriage industry. Grazing land was freed up for agriculture resulting in an agricultural boom. Record quantities of crops were produced. Eager to protect its farmers, U.S. lawmakers passed the Smoot-Hawley Tariff Act in June 1930. More than 3,200 goods were impacted. The pleas of the economists and even pushbacks from President Herbert Hoover did not result in a light-bulb moment for the Republican lawmakers in power. Unsurprisingly, America’s trade partners retaliated with their own tariffs. Three years later, U.S. imports had decreased by 66% while exports had decreased by 61%. Ironically, those most impacted by Smoot-Hawley was the group the Act meant to protect – the farmers.
 
WHIRLPOOL’S “POSITIVE CATALYST” IS A WASHOUT

Here is a more recent example.

Following the election of Trump, Whirlpool lobbied the administration to “even” out the playing field for washers and dryers. LG and Samsung had been dominating this segment in recent years. On January 23, 2018, the Trump administration imposed tariffs as high as 50% on imported washers and dryers. Whirlpool shares hit their 2018 YTD price high on January 26, 2018, closing at $183.20. As of July 30, Whirlpool shares stood at $132.37, down from $168.48 on January 2, representing a decline of more than 20%.

While craving protectionist measures, Whirlpool wasn’t ready for a trade war as rising costs of steel and aluminum led to increased costs. While washer-dryer prices have increased by 20% in the three months leading to June, Whirlpool’s profits are in decline and consumers are now paying more for their washing machines. In the meantime, Korea is not happy either as it is exporting fewer washing machines into the U.S. Trade wars are complex because the consequences of poorly thought out actions can be disastrous.

Figure 3: Whirlpool Corporation (WHR). Source: Yahoo Finance.


GOLD MAY PROVE TO BE THE ULTIMATE WINNER

Gold, however, may prove to be the ultimate winner given the most recent trade conflicts. Futures positioning in gold is at a trough. GLD options pricing seems to indicate a level of negativity, which has previously coincided with lows in gold. Recently, we have seen the producer price index (PPI) continue to climb as other American producers are seeing rapid cost inflation. The consumer price index (CPI) is now rising faster than wage inflation, which is likely to make the average American feel worse off than they did two years ago.

Figure 4: Inflation is Overtaking Wage Growth. AHE YOY% measures wage growth and represents the U.S. Average Hourly Earnings All Employees Total Private Yearly Percent Change SA. CPI represents the Consumer Price Index, and is a measure of the average change over time in the prices paid by urban consumers for a market basket of consumer goods and services. Source: Bloomberg (July 2015 – July 2018).

The expected 2018 $804 billion U.S. budget deficit represents a 17% increase over 2017. Surprisingly, despite a strong U.S. dollar, demand for U.S. Treasuries is near multi-year lows as measured by the bid-to-cover ratio. Perhaps sovereigns such as China and Japan who have traditionally recycled their U.S. profits into U.S. Treasuries are no longer choosing to do so. The lack of demand for U.S. debt at a time when U.S. fixed-income yields are higher than debt yields of other developed economies like Germany, France, Canada and Japan is quite striking. The structural takeaway for us is simple: The recent strength in the U.S. dollar is likely to prove to be short-lived.

Unfortunately, the trends we described above play out significantly slower than the speed of a Trump tweet. Fortunately, this allows investors plenty of time to position their portfolios appropriately. We are confident that the necessary elements are in place to provide the robust underpinnings for a durable bull market for precious metals and precious metal equities.
 
Shree Kargutkar is a Portfolio Manager at Sprott Asset Management LP, which is the sub-advisor for Sprott Gold and Precious Minerals Fund and Sprott Silver Equities Class.


           
1

SPDR Gold Shares (GLD) is an exchange-traded fund and is used as a benchmark to measure gold bullion prices.

2

VanEck Vectors Gold Miners ETF (GDX) tracks the overall performance of companies involved in the gold mining industry.

 

          Principal Software Engineer - Wabtec - Germantown, MD      Cache   Translate Page   Web Page Cache   
Code Warrior, IAR Systems, Vector (CAN bus), AVR Studio, GNU, Cosmic, Visual C/C++, Borland C/C++ Builder. Responsible for design, development and maintenance...
From Wabtec - Thu, 09 Aug 2018 10:01:40 GMT - View all Germantown, MD jobs
          The Aphid-Transmitted Turnip yellows virus Differentially Affects Volatiles Emission and Subsequent Vector Behavior in Two Brassicaceae Plants.      Cache   Translate Page   Web Page Cache   
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The Aphid-Transmitted Turnip yellows virus Differentially Affects Volatiles Emission and Subsequent Vector Behavior in Two Brassicaceae Plants.

Int J Mol Sci. 2018 Aug 07;19(8):

Authors: Claudel P, Chesnais Q, Fouché Q, Krieger C, Halter D, Bogaert F, Meyer S, Boissinot S, Hugueney P, Ziegler-Graff V, Ameline A, Brault V

Abstract
Aphids are important pests which cause direct damage by feeding or indirect prejudice by transmitting plant viruses. Viruses are known to induce modifications of plant cues in ways that can alter vector behavior and virus transmission. In this work, we addressed whether the modifications induced by the aphid-transmitted Turnip yellows virus (TuYV) in the model plant Arabidopsis thaliana also apply to the cultivated plant Camelina sativa, both belonging to the Brassicaceae family. In most experiments, we observed a significant increase in the relative emission of volatiles from TuYV-infected plants. Moreover, due to plant size, the global amounts of volatiles emitted by C. sativa were higher than those released by A. thaliana. In addition, the volatiles released by TuYV-infected C. sativa attracted the TuYV vector Myzus persicae more efficiently than those emitted by non-infected plants. In contrast, no such preference was observed for A. thaliana. We propose that high amounts of volatiles rather than specific metabolites are responsible for aphid attraction to infected C. sativa. This study points out that the data obtained from the model pathosystem A. thaliana/TuYV cannot be straightforwardly extrapolated to a related plant species infected with the same virus.

PMID: 30087282 [PubMed - in process]


          Comment on Hacking a brand new Mac remotely, right out of the box by thetheloniousmac      Cache   Translate Page   Web Page Cache   
I understand what you're getting at, but this doesn't really make sense. Technology doesn’t really evolve, not in the same way that nature handles evolution. Technology is engineered. As part of that process, bugs are introduced. Bugs are also fixed as they are discovered. In nature evolution happens precise as a consequence of bugs or mutations being introduced. If a bug happens to make a species more fit for survival and therefore more likely to reproduce, the bug simply becomes part of the normal. It’s no longer a bug if you will, it’s a feature. In fact, those that remain without the “feature” are suddenly the ones with the bug. They eventually die out. Consequently all of life on Earth is the result of bugs accumulating over 3.8 billion years. As such, we simply do not see the bugs in nature, because we see them as features. Technology is engineered when we desire to make it better. During that process bugs are introduced. Those that we cannot tolerate are fixed. Those that we can tolerate, or don’t notice, are not. While we are living proof that there are more bugs in nature, this is not to say that the amount of bugs in technology is not considerable. It is the bugs that we tolerate or don’t know about that provide the attack vectors for hackers. Presumably the more lines of code your system or application has, but more bugs. World of Warcraft has about 5.5 million lines of code. Windows has 50 million lines of code. macOS has over 90 million lines of code. The government's health care website has over 500 million lines of code. Would make a joke, but it's too easy. The human genome is said to have 3,300 billion lines of code, and that’s just humans. As far as AI is concerned, what if AI acted more like nature with certain types of systems? What if an AI was programmed to introduce mutations in a system to see what happens? I wouldn't be surprised if that is happening right now.
          RoME 2018 02: Hedonism and Monism      Cache   Translate Page   Web Page Cache   
Rocky Mountain Ethics Congress Session 02: Adam Shriver (Oxford Uehiro Centre for Practical Ethics)
“Is Hedonism a Version of Axiological Monism?”

This presentation concerned the issue of whether hedonism is a monistic theory of value. More specifically, it asked whether pleasure and pain were tow versions of the same overall value, or two different types of value. It asked whether hedonism was a monistic or dualistic theory of value.

Just for contrast, desirism is a pluralistic theory. It holds that each desire identifies its object as an end. This is why a person can feel regret if they find themselves in a situation where fulfilling one desire results in the thwarting of another. That other desire still identifies a separate end, which has its own value, and a reason to regret being unable to realize that value. If the choice between realizing different desires were realizing different intensities of the same value then, like having to choose between $10 or $5, one does not regret the choice of $10 because one lost out on the ability to obtain $5.

Be that as it may, Shriver argued against hedonistic monism, arguing that pleasure and pain are two different things. Desirism, of course, holds that the desire for pleasure and the aversion to pain are two different mental states.

More specifically, Shriver argues that we need positive and negative value.

An objection to hedonistic monism is that there appears to be an asymmetry regarding pleasure and pain. It is more important to avoid intense pain than to obtain intense pleasure. People are more strongly motivated to avid pain than to obtain pleasure.

As an example of our different regard for pleasure and pain, Shriver brings up an example that we consider it a particularly bad thing to bring a child into the world that will suffer extreme pain, but not to fail to bring a child into the world that will experience great pleasure. This particular example does not work, I think, because it seems to assume that the pleasure or pain of another person has an intrinsic value property. It assumes pleasure and pain to be intrinsic values to be maximized or minimized, rather than agent-centered reasons for action. I wish to dismiss these types of concerns because of a false assumption of intrinsic merit. Still, the first accounts are applicable to pleasure and pain as agent-centered reasons. However, the agent-centered reasons still show that we do not adopt parallel attitudes towards pleasure and pain, suggesting that they are two different kinds of values.

Furthermore, an examination of the scientific findings of pleasure and pain show that they are processed in different ways in different parts of the brain. The idea that there are higher and lower pleasures has run into the problem of discoveries showing that what are considered higher pleasures and lower pleasures are processed in the brain the same way. The idea that they are distinct types of pleasure seems not to hold up. Yet, pleasures and pains show up as having different processes, which at least refutes one possible argument that they could be the same.

Shriver also mentioned the distinction between wanting and liking - the distinction between motivational force and affective response. In the realm of pleasure, we can motivated by things we do not like, and like things we are not motivated to bring about. Shriver argues that this does not seem to be the case with respect to pain. We hate pain, AND we are motivated to avoid it. These two seem to be linked. (NOTE: I am not entirely sure that this is the case. As somebody who has experienced pain that I did not mind - that I had no aversion to - as a result of being given certain drugs for pain when I was a child, I think it is quite possible to separate pain from motivation.)

This still leaves the problem of how to combine pleasure and pain to get a single overall result - to motivate a single action when one facts options of acquiring pleasure and avoiding pain.

Desirism already has an answer for this. It uses the analogy of forces. We know how to add together different forces - electromagnetic, gravitational, etc. - without being a force monist. We can still allow that these are different forces. Each desire and aversion has a direction (the realization of that which is desired) and a magnitude (motivational force). We can combine these force values as we combine the values of physical forces to get an overall motivational vector. This no more requires monism in desires/aversions than it does in physics.
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RNA velocity of single cells.

Nature. 2018 Aug 08;:

Authors: La Manno G, Soldatov R, Zeisel A, Braun E, Hochgerner H, Petukhov V, Lidschreiber K, Kastriti ME, Lönnerberg P, Furlan A, Fan J, Borm LE, Liu Z, van Bruggen D, Guo J, He X, Barker R, Sundström E, Castelo-Branco G, Cramer P, Adameyko I, Linnarsson S, Kharchenko PV

Abstract
RNA abundance is a powerful indicator of the state of individual cells. Single-cell RNA sequencing can reveal RNA abundance with high quantitative accuracy, sensitivity and throughput1. However, this approach captures only a static snapshot at a point in time, posing a challenge for the analysis of time-resolved phenomena such as embryogenesis or tissue regeneration. Here we show that RNA velocity-the time derivative of the gene expression state-can be directly estimated by distinguishing between unspliced and spliced mRNAs in common single-cell RNA sequencing protocols. RNA velocity is a high-dimensional vector that predicts the future state of individual cells on a timescale of hours. We validate its accuracy in the neural crest lineage, demonstrate its use on multiple published datasets and technical platforms, reveal the branching lineage tree of the developing mouse hippocampus, and examine the kinetics of transcription in human embryonic brain. We expect RNA velocity to greatly aid the analysis of developmental lineages and cellular dynamics, particularly in humans.

PMID: 30089906 [PubMed - as supplied by publisher]


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          发现CVE-2018-11512-wityCMS 0.6.1 持久型XSS      Cache   Translate Page   Web Page Cache   

Discovering CVE-2018-11512 - wityCMS 0.6.1 Persistent XSS

CMS(内容管理系统)很适合被用来做代码审计,尤其是现在CMS系统越来越流行,很多人愿意使用CMS搭建自己的项目。由于大部分CMS是一种开源项目,所以对于CMS的审计属于白盒测试,白盒测试让我们可以发现更多的安全漏洞,而且一旦我们发现了这些漏洞,由于其被广泛使用,所以它的漏洞的影响范围也是呈指数级增长的。这是因为通过白盒测试我们可以查看到程序的内部结构,从而更清楚的理解程序的工作原理。

WityCMS就是一个由creatiwiwiwiwiwity制作的CMS系统,它帮助管理不同用途的内容,如个人博客、商业网站或任何其他定制系统。在本文中,我将介绍如何设置CMS,查找web应用程序问题,以及如何复现CVE-2018-11512漏洞。

环境安装(windows下安装xampp)

  • 1.下载WityCMS0.6.1的源代码
  • 2.把/witycms-0.6.1 目录复制到C:\xampp\htdocs\ 下 或者是你自己安装xampp的的htdocs目录
  • 3.运行Apache和MySQL然后访问http://localhost/phpmyadmin/index.php.
  • 4.点击"databases"(中文版本的"数据库")
  • 5.创建一个名为"creatiwity_cms"的数据库

查找漏洞

因为这篇文章主要是关于CVE-2018-11512的,所以我今天就只找这个程序中的持久型XSS的洞,开始之前,我们先了解下什么是持久型XSS。

根据OWASP的介绍,"跨站脚本攻击(xss)是一种注入类型的攻击手段,它允许恶意web用户将代码植入到提供给其它用户使用的页面中"。这意味着只要一个网站上存在注入点,xss就可能被触发。目前有三种类型的XSS,但是本文我将讨论常见的XSS,即反射型XSS和持久型XSS。

当输入的数据被在发出请求后被返回给我们时,反射型XSS就会被触发。对于反射型XSS来说,网站的搜索功能可以作为一个测试反射型XSS的很好的例子。当用户在搜索框中输入一段payload后,该搜索功能可能会受到反射型XSS的影响。

另外,持久型XSS也被称为"存储型XSS"。这种类型的XSS值会被保存在系统中的某个数据库或是文件中。XSS的利用点通常存在于可以让用户随时更改的设置操作中,比如用户的个人信息页,可以设置用户的电子邮件,姓名,地址之类的地方。也可能存在于用户可以自己更改的某些系统设置中。

对于wityCMS,我的目标是找到可以在系统中保存数据的利用点。这基本上可以手工完成,也可以通过工具自动找到这些利用点。由于我已经在Windows中安装了它,所以我必须使用命令“findstr”而不是“grep”(抱歉,喜欢用"grep"的同学们)。可以在这里找到"findstr"的相关信息。

恶意代码的文件,我们可以使用以下命令:">要列出可以输入恶意代码的文件,我们可以使用以下命令:

/S = Recursive searching
/P = Skip files with non-printable characters
/I = Case insensitive
/N = Prints the line number
/c:<STR> = String to look for

代码:

findstr /SPIN /c:"<input" "c:\xampp\htdocs\witycms-0.6.1*.html"

命令行运行后的结果:

这个结果肯定很让人惊喜,因为可能存在XSS的地方太多了。登录到管理员面板后,我们可以轻松的在输入框中输入我们的payload。通过访问http://localhost/witycms-0.6.1/,我们可以看到一个很明显的值,如图所示:

我们安装这个CMS的时候设置了这个站点名称,它现在显示在主页上,不知道这个站点名称会不会存在持久型XSS,现在我们看看能不能在管理设置里修改这个值。

使用安装时设置的管理员账号密码登录到管理面板,登录后,管理面板中会有一个这样的小链接:

点击"Administration"后,网页会被重定向到我们安装时的执行设置操作的页面,第一个设置值也是网站名称。

插入一个非常简单的XSS代码试试:

script>alert(1)</script>

点击"save(保存)"后,返回值为:

可以注意到<script>和</script>标签被过滤了,因此我们可以知道该系统中存在一个防护机制,所以现在我们需要找到这个防护机制的运行原理。

当数据被保存到数据库中时,会处理一个请求。在这种情况下,我们应该能够识别请求方法是POST还是GET,在页面空白处右键单击"审查元素"查看源代码后,可以确认该方法是POST请求。

从这点来看,我们应该尝试找到POST请求发生的地方,这样顺下去我们就可以看到防护机制的运行点。因此,在cmd中输入以下命令:

findstr /SPIN /c:"$_POST" "c:\xampp\htdocs\witycms-0.6.1*.php"

这个命令类似于我们之前查找包含“input”标记的文件,但是这次,我们尝试在.php文件中查找引用"$_POST"的地方。

因为其他文件都与默认包含的库有关,这些都pass掉。所以命令的结果指向文WMain.hp,WRequest.php和WSession.php。浏览这些文件将我们发现在WRequest中有一个有趣的函数。如下所示,当防护机制发现脚本标示符时,这些标示符将被一个空字符串替换:

由于过滤器函数没有递归,所以过滤器只能拦截这样的输入:

所以输入这种内容是可以绕过过滤器的:

在我们设置站点名称的输入框中输入以下内容,我们将会得到以下结果:

一旦这个payload被设置为站点名称,访问网站的用户将会触发这个脚本,即使TA并没有经过身份验证。

这就开启了新世界的大门,因为当用户访问网站时会执行某些恶意脚本可能会造成比较严重的后果。比如可以将用户重定向到钓鱼站点,在用户不知情的情况下执行矿机脚本,或者其他很多操作。

处理CVE编号

由于这个bug容易引起安全问题,并且这个CMS正在被数以千计的人使用,所以我决定给这个程序申请一个CVE编号,以此来获得一个公开的CVE条目。

信息安全漏洞或者已经暴露出来的弱点给出一个公共的名称。cnas(cve-numbering-authorities)根据程序类型分别处理这些cve编号的漏洞。例如,如果联想设备中发现了安全问题,应该向联想的产品安全应急响应团队报告,在评估了漏洞后,他们将会给这个漏洞一个cve编号。">CVE 的英文全称是"Common Vulnerabilities & Exposures",CVE就好像是一个字典表,为广泛认同的计算机信息安全漏洞或者已经暴露出来的弱点给出一个公共的名称。CNAs(CVE Numbering Authorities)根据程序类型分别处理这些CVE编号的漏洞。例如,如果联想设备中发现了安全问题,应该向联想的产品安全应急响应团队报告,在评估了漏洞后,他们将会给这个漏洞一个CVE编号。

这说明,如果同样是在CNA公司的产品或项目中发现了漏洞,他们评估后可以直接给出一个CVE编号,在CNAs的CVE的漏洞列表中可以通过编号直接找到这个漏洞。而对于wityCMS, CreatiWity这两个产品,其创建者没有注册到CNA,所以我们可以向MITRE公司申请这个持久型XSS漏洞的CVE编号,下面是处理CVE漏洞事件的步骤:

  • 1.确认产品是否由CNA管理。如果由CNA管理,则报告该特定CNA的漏洞。如果不是,则报告给MITRE公司。
  • 2.通过google确认发现的漏洞是否已经分配了一个CVE编号。经常检查产品更新,以确认漏洞是否已经公开。
  • 3.对于wityCMS的情况,我使用了MITRE公司的CVE申请表单,可以在这里找到。
  • 4.在表格中填写所需的详细信息。关于wityCMS的这个漏洞,我是这样填的:
  • Vulnerability Type: Cross-Site Scripting
  • (漏洞类型:xss)
  • Product: wityCMS
  • (厂商:wityCMS)
  • Version: 0.6.1
  • (版本:0.6.1)
  • Vendor confirmed the vulnerability? No (Not acknowledged yet at the time - of request)
  • 厂商是否已确认该漏洞 没有 (漏洞提交时厂商未确认)
  • Attack Type: Remote
  • 攻击类型:远程
  • Impact: Code execution
  • (影响:代码执行)
  • Affected Components: Source code files showing “site_title” as output
  • 受影响的组件:输出"site_title"的源文件
  • Attack Vector: To exploit the vulnerability, one must craft and enter a script in the Site name field of the system
  • 攻击方式:必须在系统的站点名称字段中手工注入脚本
  • Suggested Description: Stored cross-site scripting (XSS) vulnerability in the "Website's name" field found in the "Settings" page under the "General" menu in Creatiwity wityCMS 0.6.1 allows remote attackers to inject arbitrary web script or HTML via a crafted website name by doing an authenticated POST HTTP request to admin/settings/general.
  • 漏洞详情:在creatiwitycms 0.6.1的“设置”菜单下的“网站名称”字段中存在存储型XSS漏洞,允许远程攻击者通过一个经过验证的POST HTTP请求向admin/ Settings / General注入任意的web脚本或HTML。
  • Discoverer: Nathu Nandwani
  • (发现者:Nathu Nandwani)
  • Reference(s): https://github.com/Creatiwity/wityCMS/issues/150, https://github.com/Creatiwity/wityCMS/co...229147de44
  • 参考

填写信息应该详细一点。为了让CVE处理的更快一些,描述中最好引用一些可以辅助理解漏洞的资料,并且详细地描述漏洞细节,如果可以,还应该写上漏洞可能有的修复方案。例如,在发送报告之前,我在这个项目的GitHub主页上发现了这个漏洞可能存在的点,因为有很多已经公开的关于存储型XSS的CVE漏洞,我找了其中的一个作为参考,然后通过这个漏洞想到了构造一个存储型XSS方法,并且注意到在这个GitHub项目中可能通过这个方法复现这个漏洞。

最后一点小贴士

  1. 如果细节已经公开,那么CVE号处理只需要一两天,所以最好先与开发人员或与项目相关的响应团队进行沟通,以便进行适当的修复。
  2. CVE漏洞的细节应该是准确的。更改发送给CNAs的报告的细节将减慢审核的速度,这意味着必须首先确认漏洞,不要浪费双方的时间。
  3. 更多关于CVE漏洞提交的细节可以在这里找到。
  4. VulDB提供漏洞公开服务。注册一个VulDB账号,你可以在那里提交一个条目。例如,这里是这个安全问题的VulDB条目。
  5. 也可以提交到exploit-db.com。这不仅显示出问题确实存在,而且还为CVE编号增加了可信的参考,因为安全团队尽其所能地测试验证漏洞是否存在。这里是一个exploit-db.com条目,请注意它目前正在等待验证。提交说明可以在这里找到

    我在这个wityCMS的一些版本中发现了其他持久型的XSS漏洞,但是我没有为它应用CVE编号。你能找到它们吗?期待听到您的意见或问题。(゜-゜)つロ 干杯~

    作者: nats</br>
    翻译:i春秋翻译小组-prison</br>
    翻译来源:https://greysec.net/showthread.php?tid=3202

感觉大佬们获取证书这么简单嗯! 双写绕过 学习一下~ 学习学习
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An final chosen logo concept for a friend who is doing hiking tours. It's based on handmade lettering that I vectorized. It has a lot of motion and energy and I ended up creating textured and untextured versions for him.

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My lettering, vector "Sabotage".

Some inspiration neon signs 80s and retrowave music.


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Want a robot that rolls around, plays blackjack, and can bug your kids to clean up their rooms? Vector's your guy.

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For Run III (2021 onwards) of the LHC, LHCb will take data at an instantaneous luminosity of $2 \times 10^{33} \mathrm{cm}^{-2} \mathrm{s}^{-1}$, five times higher than in Run II (2015-2018). To cope with the harsher data taking conditions, the LHCb collaboration will upgrade the DAQ system and install a purely software based trigger, in addition to various detector upgrades. The high readout rate contributes to the challenge of reconstructing and selecting events in real time. Special emphasis in this contribution will be put on the need for fast track reconstruction in the software trigger. The modified detector infrastructure will be able to face this challenge and the necessary changes to the reconstruction sequence are discussed. A novel strategy is presented which distributes and maximises the bandwidth among the different physics channels using a genetic algorithm. The data processing chain includes a redesign of the event scheduling, introduction of concurrent processing, optimisations in processor cache accesses and code vectorisation. Furthermore changes in the areas of event model, conditions data and detector description are foreseen.
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#LoopMonkeys - Zeit (Original Mix)
21 ROOM - Boom Boom (Techno Red Remix)
A.S.H. - Stranger Things (Original Mix)
A.S.H. - Vortex (Original Mix)
ABYSSVM - Apnea (Original Mix)
ACAY - Warehouse Craze
Adomni, Vero - Let It Go (Faith Remix)
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Affkt, Darlyn Vlys - Mustang (YEUZ Remix)
AFTAHRS - Drifting (Original Mix)
AFTAHRS - Lucid (Original Mix)
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Alberto Ruiz - Vikingos (Original Stick)
Alcarcia - Bos (Original Mix)
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Alex Bau - Demood (Original Mix)
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Alex Stein - Blackbird (Original Mix)
Alex Stein - Catalyst (Original Mix)
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Andre Salmon - Charlie (Original Mix)
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Andrea Festa - PALACE HOTEL (TERRENCE PARKER Remix)
Andrea Festa - THE SOUND OF LUGANO (HARDFLOOR Remix)
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Andrea Oliva - Terrace (Original Mix)
Andrew Kay UK - Private Caller (Original Mix)
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Antipolar - Sinum (Original Mix)
Anton Jay, Discoplace - Dark Beat (Original Mix)
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