Cheat Sheets


How-tos on tools, libraries, and practices.

Spacemacs Essentials
Spacemacs key bindings mostly for working with code. Navigate text. Manipulate text. Substitutions. Selection. iEdit mode. Comments. Searching. Find and replace. Execute external commands. Keyboard macros.
Spacemacs Basics
Basic Spacemacs keybindings. How to exit. File management. Moving the cursor. The buffer. Edit mode basics. Insert mode basics. Windows. UI toggles. Updates.
Spacemacs layers
Extra key bindings for different Spacemacs layers.
Capybara
Basic Capybara api for navigation, interactions, querying, taking action, and the like.
Git Flows
Various git recipes for everyday use. From moving commits to OS contributions via Github.
Terminal friends
Key bindings for terminal emulators, and some of their common tools.
Web Typography
Key web typography rules.
PG Client Applications
Manage PostgreSQL databases from the terminal.
Secure Web Development
Basic secure web development best practices in Ruby.
Secure Response Headers
Basic HTTPS response headers security in Ruby.
Secure Response Body
Basic security for HTML and JSON response bodies.
Web Accessibility
Everyday accessibility for HTML coders.
Minimalist CSS
Minimalist responsive style guide.
System Toolbox
Tips, and tricks covering builtins, and other common CLIs.
cmus
cmus music player essential commands and keybindings.
SQL
SQL basics.
HTML Named Characters
A selection of HTML Named Characters.
Spacemacs Web
Spacemacs key bindings, and snippets for the web.
Rdoc
Simple markup language documenting Ruby code.
GDPR Quick Reference
Basic privacy aspects according to the European Union General Data Protection Regulation (GDPR)
Daily Firefox
Firefox shorcuts, and key bindings for everyday use.
Update Ruby gems
Basic Ruby gems maintenance flows.
CLI App Design
Basics on secure CLI app design