A practical side-by-side cheatsheet for the three terminal coding agents of mid-2025: Claude Code, Gemini CLI and OpenAI Codex CLI. Install and auth, instruction files (CLAUDE.md, GEMINI.md,...
A practical cheatsheet on context engineering for LLM apps and agents: what goes into the context window, the write/select/compress/isolate strategies, how long contexts fail (poisoning,...
What the research says about cognitive offloading to AI, from the Google effect to the 2025 studies on critical thinking and ChatGPT, and a practical protocol for engineers to get the speed of AI...
A practical cheatsheet on drawdowns and risk metrics, using the spring 2025 tariff sell-off as the running example: drawdown, max drawdown, underwater periods, the asymmetry of losses, volatility,...
A practical cheatsheet for the retrieval half of RAG: chunking strategies and sizes, metadata, choosing embeddings, hybrid search with BM25 and reciprocal rank fusion, cross-encoder reranking,...