I sign my blog posts.

I hate software-engineering as it is teached in Heidelberg. Really.

ext4 has a feature called dir_index enabled by default, which is quite susceptible to hash-collisions

Put a terminal with a vim-instance in an i3-scratchpad, combine it with autosave-when-idle and you got the perfect note keeping workflow."

I wrote a simple Tic Tac Toe AI as an exercise. You can get it on github.

Using gdb to manipulate a running process is fun and just the right amount of danger to be exiting

We had a codegolf challenge recently. My C-solution was 246 byte, the perl-winner was 191. I decided to give notes for C-golf beginners.

Because I recently applied for the position of a Debian maintainer, I finally had to upgrade my PGP Key to a more secure 4096 bit RSA. The new fingerprint is AF03 1CB8 DFFB 7DC5 E1EE EB04 A7C9 FF06 3F3D 2E03 I signed the new key with my old key and uploaded it to the keyservers. My old key will be valid for a little longer, so you can still send me encrypted Mails using my old key, but I would ask you to transition as fast as possible to the new one....

I put up a small script to automate creating blog-posts in jekyll

I gave a very introductory programming course and saw once again how the basic ideas underlying the modernization of teaching just work when implemented right.