- Object-oriented programming in C
An essay about how object oriented methods can be used in C - octo's guide to larswm
An introduction to LarsWM - octo's guide to multiscreening
How to use more than one display with X - octo's guide to run a gnutella
node behind a firewall
The title says it all ;) - octo's guide to create CD-Extra with
cdrdao
A step-by-step tutorial - octo's subjective opinion on SMS
german - octo's Facharbeit
german - Perl vs. PHP
octo's subjective comparsion (german) - Obfuscate email addresses with CSS
How to obfuscate email addresses displayed on the web - The art of TTD railway design
Nice examples of railways built with (Open)TTD. - ENUM, DUNDi™, and SIP
A short, introductory seminar talk from 2005 (PDF, german) - Approximate Counting
A short talk about the counting version of the knapsack problem and it's approximation (PDF, german)