Cheatsheets
Quick references that stick
The commands and syntax you keep re-googling, collected onto single pages built for scanning: monospace tables, copy-ready snippets, and zero fluff. These are the pages you bookmark on the first visit and come back to every week.
Cheatsheets in this section
Fourteen daily drivers, all live. Each one groups its entries by task and marks the gotcha that costs people an afternoon:
Built for the second visit
A good cheatsheet is not a tutorial. Every sheet here assumes you know the tool and just need the incantation: the flag order, the exact type syntax, the status code you can never remember. Entries are grouped by task, not alphabetically, because that is how you look things up under pressure. DevOps references - GitHub Actions, Kubernetes, Bash, Terraform - live in the DevOps section.
Deciding between tools rather than using one? Start with the comparisons, or see how a tool fits into a complete build in the stack guides.