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Programming

Programming tutorials for people who want code that actually runs, not code that only looks right. Pick a language, start at the beginning, and don't skip the basics. They are where most problems come from.

Any category Programming2 Python 1 TypeScript 1
Any topics Databases 1 Packaging and Dependencies 3 Performance Optimization 5 Programming Patterns 2 Testing and Debugging 4 Type Systems 2 Web Development 1
Any level Beginner 1 Intermediate 1 Advanced 2
Programming Type Systems Advanced Clear filters 2 results
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Python Advanced: Code That Scales Past Your Own Laptop

This is for people who write Python every week and now need it to handle bigger data, more work at the same time, and other people installing it. You will build real decorators, process data one piece at a time, catch type errors before they run, choose between threads, processes and asyncio, then package and profile your code. Most of this is not needed for small scripts. When it is needed, not knowing it gets expensive.

2h 15m 17 lessons
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TypeScript Advanced: Types That Hold Up in Production

You'll design declaration files, deep conditional types and migration paths so a real codebase stays typed as it grows.

2h 25m 17 lessons