Publications

Comprehensive cheat sheets and quick reference guides. From web standards like HTML and CSS to Linux software. Curated collection of commands and examples. Code recipes, snippets, and templates.

Publications

256 Colors cheat sheet

List of 256 colors for Xterm prompt (console). Contains displayed color, Xterm Name, Xterm Number, HEX, RGB and HSL codes.

Bundler cheat sheet

Cheat sheet for Bundler, the Ruby gems package manager.

Cmus cheat sheet

Comprehensive cheat sheet for using Cmus, the console-based music player. Essential commands for navigation, playback, filtering, volume control, and playlist management.

CSS selectors

Cheat sheet for Cascading Style Sheets (CSS) selectors and combinators. Includes specificity score. Many examples of simple, compound and complex selectors.

Git cheat sheet

Git is a version control system used for tracking changes in text files. The cheat sheet contains the most common and useful Git commands to configure and work with Git.

Grep cheat sheet

Cheat sheet with the most common and useful Grep commands. Grep is a command-line utility for searching plain-text data sets for lines that match a regular expression.

HTML void elements

The concept of void elements in HTML and how they differ from self-closing tags in XML, XHTML, and SVG. Highlighting, syntax, and parsing differences.

HTTP status codes

List of all Hypertext Transfer Protocol (HTTP) response status codes, the standardized, three-digit messages from servers indicating the outcome of client requests.

ISO 3166-1 country codes

List of ISO 3166-1 alpha-2 and Alpha-3 country codes, along with the corresponding country code top-level domain (ccTLD) and country phone dial code.

ISO 639 language codes

ISO 639 language names (including native names) and their corresponding ISO 639-1 Alpha-2 language codes.

JavaScript Arrays

Introdution to arrays in JavaScript, covering their basic syntax, accessing elements, modifying elements, getting the length, and various array methods.

JavaScript Variables

Introdution to variables in JavaScript using let and const and the differences between them and var. Naming conventions, best practices, data types.

jq recipes & command examples

Recipes and command examples for jq, a lightweight and flexible command-line JSON processor. Learn to delete and keep specific arrays and objects.

What is the Vim <leader> key?

The <leader> key in Vim is a customizable prefix used for user-defined shortcuts. Learn how to identify the current <leader> key, and how to customize it.

Linux exit status codes

List of standard and custom Linux exit status codes. Numeric values returned by commands or scripts, indicating success, failure, or specific error conditions.

List of Web search engines

Explore the list of great web search engine alternatives for the Clearnet and Darknet. The list includes information on language support, the crawler, owner and country of origin.

File storage and naming convention

Description of a quick-to-learn, tried-and-tested storage and naming convention for storing invoices, insurance policies, letters, operating instructions, etc. in a flat hierarchy.

Pacman cheat sheet

Cheat sheet for Pacman, the Arch Linux package manager. List of common and essential commands and options. Also includes cheats for paccache.

Pandoc cheat sheet

Cheat sheet for Pandoc, the versatile document converter, to convert files from one markup format to another. Pandoc commands to apply to your publishing workflows.

Robots.txt template

Simple robots.txt template. Allow lists legitimate user-agents / bots. Keeps unwanted robots out. Easily maintainable and immediately useful for most websites.

Rsync backup script

Simple rsync backup shell script to back up the user home directory to mountpoint, e.g. a hard drive, thumb drive, sd card, etc. Verifies mountpoint exists, writes log to mountpoint.

GNU sed recipes

Recipes and command examples for sed, stream editor, a non-interactive GNU command-line text editor.

tmux cheat sheet

Cheat sheet for the open-source terminal multiplexer tmux. Getting started with tmux. Learn to master tmux with simple commands and shortcuts.

Vim cheat sheet

Vim cheat sheet and reference guide. Also includes shortcuts and commands for NERDTree and Vimium. List of essential Vim commands. Learn Vim.

“Obey standards unless you've a darn good reason.”

Alan Cooper , Software designer and programmerAbout Face, 1995 - IT quotes

Publications

Summary

Publications

256 Colors cheat sheet

Bundler cheat sheet

Cmus cheat sheet

CSS selectors

Git cheat sheet

Grep cheat sheet

HTML void elements

HTTP status codes

ISO 3166-1 country codes

ISO 639 language codes

JavaScript Arrays

JavaScript Variables

jq recipes & command examples

What is the Vim <leader> key?

Linux exit status codes

List of Web search engines

File storage and naming convention

Pacman cheat sheet

Pandoc cheat sheet

Robots.txt template

Rsync backup script

GNU sed recipes

tmux cheat sheet

Vim cheat sheet