Useful cheat sheets I've collected so far....
- Markdown guide (Matt Cone, markdownguide.org)
- es6
- git (by Nina Jaeschke of ninagrafik.com)
- JSX (James Nelson at jamesknelson.com)
- mac terminal (Matej Latin for matoweb.com)
- react essentials (James Nelson at jamesknelson.com)
- more react (James Nelson at jamesknelson.com)
- SOLID principles (courtesy of Monterail)
- VSCode keyboard shortcuts (offical guide)
- JavaScript (WebsiteSetup): more of a glossary
- callbacks.js: just some code to display how cb's work