How to append a trailing newline using a generator in Python (getting nicer code and better performance

The cleanest and simplest way to implement Objective-C-like class cluster in Python

You should have backed up, and should have used version control. You didn't. Now what should you do?

Shows how to restore the ability to create header files along with C files in Xcode 4.

How to make your plug-in's preferences module always appear correctly in Mail preferences in Mac OS X 10.7 (now updated for 10.7.3)