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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Memory, custom instructions, and Projects
Part 5 of Learn ChatGPT. Custom instructions set standing prefs, memory can stick facts you can edit, Projects scope chats and files, and scheduled tasks appear on some…
Writing, summarizing, studying, planning
Claude is strong at four everyday jobs: writing, summarizing, studying, and planning. Part 5 of Learn Claude from scratch shows a simple prompt pattern and worked examples you…
Cleaning before you analyze (Sheets edition)
A practical Sheets cleaning pass: trim, dates, splits, nulls, and deduping only after grain is clear. Keep raw copies; log your steps.
Strengths, limits, and personality without mythology
Understand the true capabilities and limitations of Grok. We break down the differences between Fun Mode and Regular Mode, explore how it ingests live X data, and map…
Desktop app: Chat, Work, and Codex in one place
Part 4 of Learn ChatGPT from scratch. How the desktop app puts Chat, Work, and Codex in one place, what Free still limits, and how to pick a…
