Category: Tutorials
Dates, time zones, and fiscal calendars
Time zones and fiscal calendars quietly break dashboards people trust. Learn to store UTC, display local time, separate calendar months from fiscal periods, and cast dates safely in…
Team habits and safety rails
Part 10 closes the Claude Code tutorial with team rails: shared CLAUDE.md and skills, required PRs and green CI, secrets policy, no silent prod deploys from agents, and…
Exploring a repo safely
Part 2 of the ChatGPT Codex tutorial. Explore a repo safely: ask for a map with real paths, bound what you will not touch, then make a small…
Standardizing categories and names
Category chaos turns dashboards into spelling bees. Learn canonical values, mapping tables, alias lists, and how to escape Other hell so groupbys stay honest and unmapped rates stay…
Reviewing diffs, undoing, not shipping blind
Part 9 of the Claude Code tutorial. Review every agent change set: read the diff, run tests, check secrets and scope, then own the commit. Undo with restore…
