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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How to download AI models safely from the internet
A GGUF from a random Hugging Face account is software you run on your machine. Prefer official orgs and known converters, read the model card, match file size…
How to use Gemini in Google Sheets to explain formulas and clean up data
Sheets plus Gemini is for explanations, cleanup plans, and validation ideas you test on a scratch tab. Implement in a copy, verify known rows, then promote. Never invent…
How to set up one local AI stack with Ollama, from start to finish
Pick one local stack and live in it. Three apps on three ports is a raffle, not a setup. This guide walks a 30-minute Ollama path and shows…
How to test whether an AI model is good enough for your own work
A Slack rank is not a quality test. Run five real tasks from your week, score pass or fail, and ignore a 0.3 point LMSYS jump when the…
How to draft in Google Docs with Gemini and stay in control
Docs plus Gemini stays useful when you control the path: brief, outline, section drafts, human facts, then voice edit. Placeholders beat fake precision. Humans own the byline.
