Developer Reference Library

Developer Cheat Sheets

A curated, self-contained library of 194 printable HTML cheat sheets — spanning languages & runtimes, web & backend, databases, data engineering, cloud & DevOps, the full Python data-science & ML stack, deep learning, NLP, computer vision, time series, LLM/GenAI frameworks, and MLOps. Each links to its latest version; older revisions are listed inline.

🗣️ Languages & Runtimes

10 guides

🐍 Python Tooling

13 guides

🚀 Web & Backend

16 guides

🗄️ Databases & Drivers

17 guides

🔗 Data Engineering

12 guides

☁️ Cloud, DevOps & Security

11 guides

🔢 Numeric & DataFrames

6 guides

📊 Visualization

15 guides

🤖 Classic ML

11 guides

🧠 Deep Learning

10 guides

💬 NLP

9 guides

👁️ Computer Vision

8 guides

⏱️ Time Series & Forecasting

7 guides

🦙 LLM & GenAI

10 guides

📦 MLOps & Experiment Tracking

8 guides

🔎 Explainability, Recsys & Clustering

10 guides

🗃️ Data IO, Utils & Finance

21 guides