I wanted a field guide to stay current on modern full-stack web development with JavaScript and Python. Hence the mullet: JavaScript in the front, Python in the back.

A timeline showing TypeScript checking types at build time and then erasing them, Pydantic checking every response on the server, and nothing left to check once the browser receives the JSON
Each side checks its own types, and nothing is watching where they meet

Read the guide → One page, no clone required. Source on GitHub.