Build a REST API with Node.js and Express 5: Production Checklist
Build a REST API with Node.js and Express 5: validation, error handling, auth, helmet, rate limits, graceful shutdown and tests, with the app source and real output.
Hands-on AI tutorials covering LLM integration, agent workflows, RAG systems, and shipping ML features in production applications.
Build a REST API with Node.js and Express 5: validation, error handling, auth, helmet, rate limits, graceful shutdown and tests, with the app source and real output.
AI integration in web development is a rapidly growing field that has the potential to improve the user experience and functionality of web applications. Learn how to integrate AI into your web application with real-world examples and code examples.
A stdlib Python function that splits markdown narration into sentence-aware chunks under a character limit, with unittest tests and real output.
Five essential developer tools (ripgrep, fzf, jq, HTTPie, tmux) tested on a real repo: timings, licences, free alternatives and which to install first.
Build a read-only SQLite MCP server in Python with the official SDK's MCPServer (formerly FastMCP), run it over stdio and HTTP, and call it from Claude Code with a real tool-call transcript.
Turn word timestamps into SRT and WebVTT with a tested standard-library Python converter, including the 59.9996 s rounding bug and its fix, with tests.
Text to speech API for developers: a local Piper markdown-to-MP3 pipeline versus ElevenLabs, with measured speed and cost per article.
Reproduce five scaling failures on one laptop (exhausted connection pools, missing timeouts, cache stampedes, N+1 queries and slow request paths) with runnable scripts, measured output and fixes.
Reproducible benchmarks of a PostgreSQL partial index, BRIN index, expression index and INCLUDE index on 3M rows, with sizes, plans and when each does nothing.