This is the source code of the Tiger560 driver. This is reverse-engineered (with bugs intact).
PyCairo functions for Multiple-UP (2up etc.). step by step changing from imperative to functional.
Look at Haskell doing cool mandelbrot math in a few lines of code.
Solving the easy problem the hard way (Fibonacci stuff).
A jQuery plugin that extends the jQuery-UI slider, with non-linear values.