A structured, example-driven tutorial and template collection for learning Claude Code features from basic commands to agents, hooks, and MCP servers.
A curated list of free system design learning materials and interview preparation problems and concepts.
Code examples for the O'Reilly book Hands-On Large Language Models, covering LLM concepts and practical techniques in Jupyter notebooks.
A free online book teaching Vim and Vimscript, covering core editing concepts from beginner basics to advanced features and plugin writing.