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John Wei's personal writing space. Notes on technology, life observations, and passing thoughts — in Chinese and English.
These are the open-source tools I keep coming back to: the ones that quietly handle recording, notes, media, compression, reading, studying, research, and image editing without asking for a subscription every month. Some are famous, some are just dependable old workhorses, but all of them have earned a permanent place in my daily setup.
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Developers today juggle multiple languages to meet diverse project needs. Here's a guide to using C# for Windows apps, Python for data science, TypeScript for web with React and Node.js, and Go for high-performance microservices. It covers best practices, solutions, and quick references to ease cross-language development.
I put together a small collection of WebSocket examples for Node.js: plain ws, socket.io, and NestJS versions, with server, browser client, and Node.js client variants. The point isn’t fancy business logic, just getting the protocol details, compatibility gaps, version mismatches, and little setup traps into one place so they’re easier to test and compare.