Grug
A collection of wisdom on programming, written as a caveman.
Reading list
A random collection of useful articles for software engineers
Chars
An introduction to character encodings. Written in 2003, it's still relevant.
Git
An introduction to git, told in the form of a story. Useful both for understanding the version control system, and for how to approach a design problem.
Chars
Basic latency numbers that ever programmer should know. There are several versions of the list; this is the original, sticking to the most important.