AI, machine learning & data science
Choose a subject and follow its lessons.
ChatGPT / Codex
Practical guides to prompting, everyday tasks and AI-assisted coding.
Claude / Claude Code
Practical guides to prompting, everyday tasks and AI-assisted coding.
Prompt Engineering
Define clear AI tasks, handle untrusted context, and evaluate prompt revisions.
Prompt patterns
Retrieval, structured extraction, tools, memory, and media boundaries.
Production prompt engineering
Release tests, adversarial inputs, cost, privacy, and language parity.
Prompt engineering projects
Build and inspect complete decision workflows.
Prompt engineering quizzes
Test design and production decisions against concrete cases.
Prompt engineering applications
Apply prompt contracts to code, data, images, audio, video, and current research.
Data Science for Beginners
An ordered, practical curriculum from foundations to a checked project.
Machine Learning Tutorial
An ordered, practical curriculum from foundations to a checked project.
Data Engineering Tutorial
Build replayable data products with explicit event contracts, atomic tables, governed access and tested recovery.
Data Engineering: Projects
A checked project for the Data Engineering curriculum.