Category: Tutorials
Open coding features and first project
Codex is the coding agent surface in the ChatGPT desktop app (with Chat and Work). Part 1 of the ChatGPT Codex tutorial: open a project, ask orientation questions,…
Deduping without destroying history
Duplicates are identity problems, not a delete button. Learn natural versus surrogate keys, soft deletes, merge lineage, and validation checks so you collapse false twins without shredding history,…
Loops and agentic runs: multi-step work
Part 8 of Claude Code tutorial. Run multi-step agentic work with a goal-plan-act-observe loop, checkpoints, and clear autonomy: watch, steer, or walk away only when rails are real.
When Work beats Chat (and when it does not)
Part 4 closes the ChatGPT Work tutorial. Use a decision table for when Work beats Chat, when Chat is enough, and which wrong doors to avoid. Then continue…
Profile before you polish
Cleaning before you look is how silent bias sneaks into dashboards. Learn a lightweight profile of counts, nulls, ranges, and weird categories with SQL and Python so every…




