Ive used this website for 10+ years. Yes im old. Its also old.

The "Art" looks AI generated but its had that look for a LONg time before generative AI. Some of the concepts it describes are kinda obsolete. But a lot of them are not.

They have some great cheat sheets that we used to use at work all the time.

definitely came across this during my last uni semester, great resource to have for free on the internet