StackOverflow Awesomness
by Amit
Besides all the cool Genetic Algorithms and Optimization mumbo jumbo, the always ready to strike SIGSEGVs and always-a-pleasure Python scripting, this is the coolest thing I have come across in recent times.
This is a image on the Page Not Found for StackOverflow. Try this non-existent SO page ):
Try and figure it! Its fun :) Just some C preprocessor directives fun.
Programming and writing about it. 