Quick-reference guides for programming languages and frameworks.
Fundamentals
Core languages and tools every developer needs.
- JavaScript Live demos
- TypeScript Live demos
- HTML Live demos
- CSS Live demos
- Git Static examples
- Bash Static examples
Frameworks
Front-end and full-stack web frameworks.
Backend
Server-side languages and frameworks.
Advanced
Senior-level deep dives — patterns, pitfalls, and tradeoffs, in fuller prose than the beginner sheets.