A tutorial series of ten Jupyter notebooks teaching Retrieval-Augmented Generation (RAG) with LangGraph, progressing from core primitives through advanced agentic techniques like self-correction, human approval loops, multi-agent routing, and parallel execution. Four free notebooks cover foundational concepts; six paid notebooks explore sophisticated RAG patterns with different levels of autonomy and workflow structures.
Zig Guide Live is a tutorial for the Zig programming language where every code snippet is automatically compiled and verified against the current Zig master branch on each build. The guide contains 241 chapters across multiple tracks, with snippets running as WebAssembly in the browser, ensuring documentation stays current and accurate.
A tutorial guiding users to make their first OpenStreetMap contribution by adding official website tags to shops and amenities using the JOSM editor. The process involves creating an OSM account, downloading data for a small area, filtering relevant places, and uploading the changes within 15 minutes.
A tutorial on building a minimal concurrency scheduler from scratch using single-threaded deterministic execution. The article uses a bakery POS system as a practical example to demonstrate how concurrent tasks can be managed without actual parallelism or I/O operations.
The Natural Number Game is a Lean4 tutorial hosted on the Lean Game Server, requiring JavaScript to run. It is maintained by Marcus Zibrowius at Heinrich-Heine-Universität Düsseldorf in Germany.