python Seventh time lucky: solved Brute-force solution of a number puzzle, plus a bit of investigation around it.
workshop Git for beginners part 1: commits and restore Basic concepts of git: commits and how to undo mistakes
advent of code Advent of Code 2019 day 16 Exploiting built-in functions, and some special-case optimisation.
advent of code Advent of Code 2019 day 7 When building your own concurrent scheduling system is the easy way.