Useful Cheatsheets

Practical cheat sheets for real life.

Direct, one-page reference guides to build software and AI systems, grow personal wealth, and optimize everyday health — designed for quick lookups and visual learners.

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Showing 353 of 353 cheatsheets
AI DevelopmentAdvanced

Autonomous Agent LoopsCheatsheet

Build robust ReAct autonomous agent loops with termination conditions, state history management, and recursion limits.

AI DevelopmentBeginner

Calling Model APIsCheatsheet

Connect Node.js and TypeScript applications to modern AI APIs using official SDK clients and secure environment authentication.

AI DevelopmentIntermediate

Audio and SpeechCheatsheet

Transcribe spoken audio, generate timestamped subtitles, and synthesize natural text-to-speech with Whisper and OpenAI.

AI DevelopmentIntermediate

Context Window ManagementCheatsheet

Manage token budgets, rolling conversation history, semantic compaction, and prompt summarization in production AI systems.

AI DevelopmentIntermediate

Error Handling & RetriesCheatsheet

Build resilient AI integrations with exponential backoff, rate limit recovery, circuit breakers, and fallback models.

AI DevelopmentAdvanced

Evaluation & BenchmarksCheatsheet

Build automated test suites, implement LLM-as-a-judge rubrics, and track accuracy benchmarks for AI pipelines.

AI DevelopmentAdvanced

Fine-Tuning With OpenAICheatsheet

Prepare formatted training datasets, execute fine-tuning jobs, and evaluate specialized models with OpenAI and LoRA.

AI DevelopmentIntermediate

Human Approval GatesCheatsheet

Implement human authorization approval gates, state persistence, and audit controls for high-stakes AI tool actions.

AI DevelopmentAdvanced

Model Context ProtocolCheatsheet

Standardize AI agent tool integrations and resource access using Anthropic open-standard Model Context Protocol.

AI DevelopmentBeginner

Model SelectionCheatsheet

Choose a model tier by weighing task difficulty, latency, context size, and cost, then route requests between tiers.

AI DevelopmentAdvanced

Parallel Tool CallingCheatsheet

Execute multiple concurrent tool requests simultaneously using Promise.allSettled and rate-limited batch workers.

AI DevelopmentIntermediate

Prompt CachingCheatsheet

Slash AI latency and token costs by up to 90 percent using Anthropic and OpenAI prompt caching breakpoints.

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