Author: Jose S
Selecting, filtering, and sorting in pandas
Map SQL SELECT, WHERE, and ORDER BY onto clear pandas patterns you can debug at work. Select columns, filter with boolean masks, sort results, and keep method chains…
Custom GPTs vs plain chat
Part 2 of ChatGPT product map. When a Custom GPT earns its keep versus plain chat: saved instructions, knowledge files, plan limits on creating GPTs, and why a…
What is Claude Code, and when should you use it?
Part 2 of Claude product map. What Claude Code is for when you will touch a project: explore a repo, edit many files, run tests, and open PRs,…
Pandas DataFrames explained: rows, columns, and column types
A pandas DataFrame is just a table with rows, columns, and types you can inspect. Learn to load a CSV, check shape and dtypes, rename columns, and map…
Which ChatGPT mode should you use: Chat, Work, or 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…
