Series of practical cheatsheets. Each one is a single page you can scan, search, and paste from. Organised by topic — pick a tool, get the API surface and the patterns you’ll actually reach for.
Looking for long-form chapters instead? See the textbooks .
20 practical AI/LLM cheatsheets — LLM APIs, RAG, agents, eval.
Quick-reference cheatsheets for Alembic — commands, op API, migration patterns.
20 practical ClickHouse cheatsheets — analytics DB, queries, engines.
20 practical Django cheatsheets — models, views, DRF, async, deployment.
20 practical Docker cheatsheets — images, networking, compose, prod tips.
Quick-reference cheatsheets for integrating the four libraries — full-stack patterns.
Quick-reference cheatsheets for FastAPI — every API surface, every common task.
20 practical Kubernetes cheatsheets — pods, services, deployments, ops.
20 practical Linux cheatsheets — shell, files, processes, networking, systemd.
20 practical MongoDB cheatsheets — CRUD, aggregation, indexes, ops.
20 practical Next.js cheatsheets — App Router, RSC, server actions, deployment.
20 practical Nginx cheatsheets — config, reverse proxy, TLS, tuning.
Quick-reference cheatsheets for Pydantic v2 — fields, validators, serialization, types, settings.
Modern Python cheatsheets — asyncio, packaging, typing, profiling, stdlib, patterns.
20 practical React cheatsheets — hooks, patterns, perf, testing.
20 practical Redis cheatsheets — basics, data types, patterns, ops.
Quick-reference cheatsheets for Postgres-specific SQLAlchemy — JSONB, arrays, indexes, FTS, locking, RLS.
Quick-reference cheatsheets for SQLAlchemy 2.0 — every common operation, every API surface.
20 practical SQLite cheatsheets — embedded DB, WAL, perf.
20 practical TypeScript cheatsheets — types, generics, tooling, patterns.