Stackoverflow这个网站对于程序员的重要性我就不多说了，基本上有了它和GitHub，就可以编程无忧了`(*∩_∩*)′

下面总结一些Stackoverflow上收集到的一些好问题（不定期更新）：

Hidden features of Bash

Shell scripts are often used as glue, for automation and simple one-off tasks. What are some of your favorite “hidden” features of the Bash shell/scripting language?

• One feature per answer
• Give an example and short description of the feature, not just a link to documentation
• Label the feature using bold title as the first line

See also:

• Hidden features of C
• Hidden features of C#
• Hidden features of C++
• Hidden features of Delphi
• Hidden features of Python
• Hidden features of Java
• Hidden features of JavaScript
• Hidden features of Ruby
• Hidden features of PHP
• Hidden features of Perl
• Hidden features of VB.Net

 

Reference:

• http://stackoverflow.com/questions/211378/hidden-features-of-bash

Python tips:

• http://stackoverflow.com/search?tab=votes&q=tips%20python
• http://stackoverflow.com/questions/1623039/python-debugging-tips

Bash tips:

• http://stackoverflow.com/search?tab=votes&q=tips%20bash

Vim shortcut:

• http://stackoverflow.com/questions/1218390/what-is-your-most-productive-shortcut-with-vim/2559262#2559262
• http://stackoverflow.com/questions/550632/favorite-django-tips-features

UTF-8:

• http://stackoverflow.com/questions/496321/utf8-utf16-and-utf32

 

http://stackoverflow.com/questions/9066609/fastest-possible-grep

http://stackoverflow.com/questions/4604663/github-download-single-files

good python implementation algorithm