All Articles & Tutorials
Explore practical guides, step-by-step masterclasses, and foundational definitions across AI, SQL, and data systems — written in plain, human English.
All articles
Chat vs Work vs Codex
Part 1 of ChatGPT product map. Plain English on Chat, Work, and Codex: what each mode is for, how usage differs, and a chooser you can use before…
Claude.ai chat vs everything else
Part 1 of Claude product map. A plain-English tour of Claude chat versus Code, Cowork, Design, Science, and the API Console so you know which door to open…
Setup without tears
Set up Python for analytics without the folklore that scares people off. Create a virtual environment, install pandas with pip, and load a tiny CSV so your first…
Privacy, work rules, and when not to use it
Privacy, company policy, and the right tool matter more than clever prompts. Use this series-end guide for when not to use ChatGPT, a good-enough checklist, and what to…
When Claude is the wrong tool
Closes Learn Claude from scratch with judgment: four wrong-tool zones, a good-enough checklist, walk-away signals, and what comes next in the product map, Code, and Cowork series.
