Code Labs

Code deep-dives.

Apr 15, 2026 · 18 min read

Crafting Interpreters: A Runnable, Semantics-First Cheat Sheet (Python)

Notebook companion to Crafting Interpreters. Chapters are distilled into a core semantic idea and presented via a runnable Python micro-example. Sections conclude with an end-to-end tree-walk and bytecode VM executions of the same tiny program.

#python#programming-languages#interpreters#compilers#virtual-machines
Aug 7, 2022 · 22 min read

Implementing Alternating Least Squares (ALS) from Scratch in Python

A deep dive into building ALS for recommendation systems in Python. Includes the full derivation, a vectorized implementation, and an analysis of its real-world performance limits.

#python#machine-learning