Python

• Date tricks
• Debugging
• Python Diffing and Fuzzy matching
• Distutils
• Encoding hell
• Fabfile
• File stuff
• Functional programming
• Introspection
• Ipython
• JSON
• Looping
• Matplotlib
• Metaprogramming
• Misc
• Multiprocessing
• Network Programming
• Pandas
• Performace tricks
• Pip
• Pygraphviz
• Pylint
• PyQt
• Python Shell
• SOAP
• String Conversion
• System Administration
• Templating
• Testing
• Web stuff