Explainers
Notes and interactive guides.
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HTTP Caching From Cache-Control directives to the wire, with diagrams, a header builder, and a live cache simulator. -
How LLMs Work Tokens, embeddings, attention, the KV cache, and prefill vs. decode. What actually happens when a chatbot replies. -
GPUs SMs, warps, tensor cores, and why bandwidth, not flops, is usually the limit. The chip that became the engine of AI. -
Claude Agent SDK The agent loop that powers Claude Code, exposed as a library. Tools, permissions, MCP, hooks, and subagents, with diagrams. -
Macroeconomics in 2026 Inflation tamed, central banks cutting, the AI capex boom, deficits at wartime levels, and a fragmenting trade order. -
Domain Driven Design Ubiquitous language, bounded contexts, aggregates, and the idea that the words you say should match the words in the code. -
Your Ancestors A reverse family tree from you to the dawn of life. Why the doubling has to stop, and why every stranger is a cousin. -
RAG for EPR Legislation Building a retrieval pipeline over global producer-responsibility law: structure-aware chunking, hybrid search, jurisdiction routing, grounded citations.