Git from the Bottom Up
A tutorial/reference that covers a lot of detail about git.
Common Lisp Quick Reference
A nicely-formatted quick reference document for Common Lisp.
How Python Asyncio Works: Recreating it from Scratch
An approach to explaining Python's asyncio by recreating it from scratch.
Homoiconic Python - MOHAMMED JAMAL
Those who don't learn Lisp are doomed to reinvent it. Actually, those who do learn list are also doomed to reinvent it too. Here someone sort of reinvents Lisp in Python.