All Articles & Tutorials
Explore practical guides, step-by-step masterclasses, and foundational definitions across AI, SQL, and data systems — written in plain, human English.
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What are Claude Design and Claude Science, and who should use them?
Claude Design handles visual work (decks, mockups, prototypes, brand systems, exports). Claude Science is a research workbench with tools, compute, and auditable artifacts, not peer review. Part 4…
How to summarize data with groupby in pandas
Learn pandas groupby as split-apply-combine, the same idea as SQL GROUP BY. Build sum, mean, count, and multi-metric aggregations, with a clear sales-by-region before and after table example.
Which ChatGPT model should you use? A plain-English guide
Pick a ChatGPT model by testing it on your own work. Check for missing facts, a vague request, or the wrong mode before you switch, then run a…
What is Claude Cowork, and when should you use it?
Claude Cowork is the agent surface for non-coding knowledge work: folders and tools you choose, multi-step tasks, deliverables you still review. Part 3 of the Claude product map…
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…
