Code

How to enumerate bits quickly using DeBruijn sequences.

GCC has some clever tricks up its sleeve for compiling the humble division operator.

Some simple bite-sized browser enhancements. Drag them to your bookmarks toolbar.

After the (useless hack) SmackBook was released, some commenters were worried that giving the laptop a smack to the head might be bad for the hard drive, not to mention the soul. Here's a gentler alternative.

This is the ZIP file that never ends.

These are the slides from a tech talk I gave at the NWERC programming competition.

It's occasionally useful to run iTunes under GDB without having it bomb out with a 'code 055' or having gdb segfault.

A comparison of how different scripting languages treat their users.

A neat OS X feature that hasn't seen much use yet.

Some notes on reverse engineering Java code.

I for some reason wanted to see the source code of a Mathematica workbook. Here's a script to dump .mx files.

For some reason there is no standard utility to play a sound file from a shell script. Well, here's one.

This is a small script to make xterms distinguishable from one another, by shifting the color map of each terminal window ever so subtly in a random direction.

This is a collection of strange C (and some Java) constructs. It's probably best not to use them, but you should know why they work.

These are some old notes about the license key scheme used by IntelliJ IDEA.

A hacky implementation of closures for PHP.

Kyrre Glette and I wrote a simple image generator using genetic programming for an artificial intelligence course. Here are some of the images it made.

This describes a horrible way of implementing createImage() on JDK1.0.2.