Articles

• Making the Map Scroll (Back to the Pascal, Ep. 2)
  Time to make the map scroll... and to suffer the consequences. Off-by-one errors, scrambled blocks, weird glitches ...
  November 2, 2025
• Pixels, Tiles, Sprites (Back to the Pascal, Ep. 1)
  It's the first week of my project, and I'm exploring the basics: drawing pixels, tiles, and eventually sprites.
  October 26, 2025
• Finishing the Game I Started 35 Years Ago
  I'm gonna finish programming a game I started almost 35 years ago! Well, at least I'm gonna try.
  October 18, 2025
• Raising the Bar
  I started my professional career with PHP in the year 2000. Professional in the sense that I got paid to program, not so much because of my knowledge of PHP.
  January 20, 2023
• Advent of Rust // Day 11
  I love that each Advent of Code reminds me at one point that I never paid much attention in math class...
  December 15, 2022
• Advent of Rust // Day 9
  I finally had some time to review day 9. For some reason, I didn't get the logic behind the knot movement in part two...
  December 13, 2022
• Advent of Rust // Day 10
  After taking a day off, I'm a little behind. For some reason, I can't wrap my head around part two of day 9, but fortunately, day 10 was easy again.
  December 11, 2022
• Advent of Rust // Day 8
  I'll just leave it here without further comment.
  December 8, 2022
• Advent of Rust // Day 7
  I spent this morning trying to build a super generic directory tree structure using dynamic types and ended up being frustrated...
  December 7, 2022
• Advent of Rust // Day 6
  Easy one. I still haven't figured out why Rust sometimes can not infer types, like with the hash set below.
  December 6, 2022
• Advent of Rust // Day 5
  Today's puzzle was another one where the solutions for the two parts differed only in a minuscule detail.
  December 5, 2022
• Advent of Rust // Day 4
  The plural of regex is regrets, some people say, but I like 'em. Not for everything and all the time but they come in handy for some tasks.
  December 4, 2022
• Advent of Rust // Day 3
  I was surprised there's no built-in way to find the intersection of multiple sets...
  December 3, 2022
• Advent of Rust // Day 2
  The second day was still easy on the puzzle side...
  December 2, 2022
• Advent of Rust // Day 1
  Today is December 1st and thus the first day of Advent of Code. This year I decided to give Rust a try...
  December 1, 2022
• Colocating Tests and Production Code in PHP(Unit)
  Colocating tests and production code is the default in some programming languages and has become the de facto standard in others...
  November 21, 2022
• I wouldn't write a test for that
  Last week, I was helping a colleague who was working on a small application...
  April 4, 2022
• Advent of Haskell, Part 2
  It's already been more than two weeks since I started my little Advent of Code + Haskell adventure...
  December 22, 2020
• Approaching 100% code coverage in a healthy way
  One question the always comes to my mind in the discussion about code coverage is: What does the percentage refer to anyway?
  December 6, 2020
• Advent of Haskell, Part 1
  This year is the first time that I participate in the Advent of Code...
  December 5, 2020
• About confidence, code, and tests
  Whether you're reading a classic like "Test-driven Development by Example" by Kent Beck or a yet another article on medium. When it's about testing, there's always some talk about confidence. That made me think.
  February 4, 2020