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