Blog
SQL, data, and practical AI — plain English. Filter by topic or search.
All articles
What is this chart for?
A chart is a job, not decoration. Learn explore versus explain versus persuade so the next deck chart answers a real decision instead of filling a slide with…
Git-friendly habits for beginners
Part 5 closes the ChatGPT Codex tutorial with beginner git habits: branch per task, small commits, clear messages, PR review, and never force-pushing blind. Learn undo basics, recap…
Setup and first real file task
Part 2 of the Claude Cowork tutorial walks paid-plan setup, a dedicated working folder, and one real file task you can finish and review. You leave with a…
Documenting quality so others trust you
Trust needs a light paper trail, not a bureaucracy. Publish a simple data quality scorecard with owner, metrics, known issues, and next check so teammates can rely on…
Review, tests, and not trusting green checkmarks
After Codex edits, do not ship on green checkmarks alone. Read the diff, run tests, hunt secrets, check scope, and keep a human on the commit. Diff smells…
