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What is the perfect counterpart in Python for “while not EOF”
...", line 1, in <module>
EOFError: EOF when reading a line
Or press Ctrl-Z at a raw_input() prompt (Windows, Ctrl-Z Linux)
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changing source on html5 video tag
...lementById('div_video').innerHTML = '<video autoplay controls id="video_ctrl" style="height: 100px; width: 100px;"><source src="'+src+'" type="video/mp4"></video>';
document.getElementById('video_ctrl').play();
}
</script>
<button onClick="setvideo('video1.mp4');">V...
How to copy text from Emacs to another application on Linux
... When I run emacs -nw, I use the terminal's own shortcuts; Shift-Ctrl-X to cut (kill) text, and Shift-Ctrl-C to copy.
– memius
Aug 4 '17 at 21:51
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How to terminate a Python script
... I get the following warning: UserWarning: To exit: use 'exit', 'quit', or Ctrl-D. warn("To exit: use 'exit', 'quit', or Ctrl-D.", stacklevel=1)
– Bill
Oct 31 '16 at 18:11
1
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How to theme the ENTIRE Xcode IDE to light-on-dark?
...ces -> Accessibility -> Display -> Invert Colors OR setting up a "Ctrl-Opt-Cmd-8" shortcut in System Preferences -> Keyboard -> Shortcuts -> Accessibility -> Invert Colors)
and
Choosing your favourite dark theme in Xcode's "Fonts & Colors", but inverted (!).
For example,...
Error “can't use subversion command line client : svn” when opening android project checked out from
...:\Program Files\TortoiseSVN\bin to your Path environment variable or press CTRL+ALT+S in android studio. Then go to "Version Control"-> Subversion -> General -> Check the Checkbox "use commmand line client" and set the path to C:\Program Files\TortoiseSVN\bin\svn.exe
5.Restart IntelliJ.
I...
Stop Chrome Caching My JS Files
...work | Disable cache (while DevTools is open)
For windows, this is F12 or CTRL + SHIFT + I while on mac CMD + SHIFT + I opens up DevTools.
New path for Chrome Update Sept 2018:
Click settings icon on the top right corner ... | Settings | Preferences | Developer Tools | Network | Disable cache (w...
How to clear basic authentication details in chrome
...
You can open an incognito window Ctrl+Shift+n each time you are doing a test. The incognito window will not remember the username and password the last time you entered.
To use this trick, make sure to close all incognito windows. All incognito windows shar...
select、poll、epoll之间的区别总结[整理] - C/C++ - 清泛网 - 专注C/C++及内核技术
...用户态拷贝到内核态，这个开销在fd很多时会很大
（2）同时每次调用select都需要在内核遍历传递进来的所有fd，这个开销在fd很多时也很大
（3）select支持的文件描述符数量太小了，默认是1024
2 poll实现
poll的实现和select非常相...
AsyncProcedures异步过程扩展 · App Inventor 2 中文网
...理机制
2. 性能优化
控制并发: 避免同时运行过多的异步过程
资源管理: 注意异步过程中的资源使用和释放
内存优化: 避免在异步过程中产生大量内存占用
3. 用户体验
进度反馈: 为...