Howtos

A beginner-friendly introduction to programming for people who have never written a line of code. Learn the fundamentals - variables, types, loops, functions, arrays, and objects - by running every example live in your browser, then build a small program of your own.

A hands-on guide to learning TypeScript by building a real-time chat server. Each chapter introduces type system concepts through practical features - starting from a TCP server and ending with a fully tested, authenticated, WebSocket-powered chat application.