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59 topics across 6 categories — pick one and start learning
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59 topics across 6 categories — pick one and start learning
Server-side JavaScript — the event loop, streams, and the npm ecosystem.
Minimal Node.js web framework — routing, middleware, and REST APIs.
Build an HTTP server from scratch with Node's http module — routing, parsing bodies, and sending responses.
Write custom middleware, handle file uploads with Multer, add CORS, logging, and error handling.
Build RESTful APIs with Express — routing, HTTP methods, status codes, validation, and response patterns.
Organize Express apps with MVC pattern, environment config, structured logging, and production best practices.
Optimize database queries with indexes, avoid N+1, add Redis caching, and implement structured logging.
Build AI-powered applications with LangChain.js — LLMs, prompt templates, chains, and RAG with embeddings.