GrepBoard — Step-by-step manuals for AI tools, Linux, logs and storage — each one with the exact commands, prompts and output.
Latest 84
- Find why VLOOKUP returns #N/A with AI, then prove it in cells
A visible code still gives VLOOKUP #N/A? Give an AI the formula and a few rows, get test formulas back, and prove each cause in cells until #N/A count is 0.
claude-sonnet-5-5 (ChatGPT could not be run, so Claude was used) · run 2026-10-20 - Product mockup prompt with set lighting and camera angle
Draft product shots for an item with no photos by filling five slots: product, surface, lighting, angle and focus. Then sort the results with a checklist.
Gemini official image prompting guide · 2026-10 · ratio check with ImageMagick 6.9.12 - Turn scattered task notes into a weekly status report
Turn Friday scraps into a four-section weekly report with no invented progress: number the notes, cite one per bullet, and count gaps and new figures by script.
claude-sonnet-5-5 · run 2026-10-20 - Write a PRD with AI: turn one line into a one-page skeleton
Ask for a PRD from a one-line idea and the model fills in targets and dates you never gave it. Tag every number by source, then check the tags with a script.
claude-sonnet-5-5 · run 2026-10-20