Welcome
Welcome to the website of the Department of Information Technology of the University of Hard Knocks. This is where we publish short instructions & guides for our students.
We will update these pages as the courses progress.
Welcome to the website of the Department of Information Technology of the University of Hard Knocks. This is where we publish short instructions & guides for our students.
We will update these pages as the courses progress.
List of 256 colors for Xterm prompt (console). Contains displayed color, Xterm Name, Xterm Number, HEX, RGB and HSL codes.
Cheat sheet: List of acronyms, abbreviations, numeronyms, initialisms, and contractions used in web design, web development, DevOps and related areas.
Cheat sheet for Bundler, the Ruby gems package manager.
Cheat sheet for Cascading Style Sheets (CSS) selectors: Quick reference guide for CSS selectors.
How to convert SVG files with RGB color profiles to CMYK with the help of Inkscape and Scribus.
How to add a custom domain email alias, including SPF, DMARC and DKIM to an existing mailbox.org email account. Simple step-by-step instruction.
Recipes and command examples for GNU sed (stream editor).
Git version control cheat sheet with the most common and useful Git commands.
Grep cheat sheet with the most common and useful Grep commands.
The concept of void elements in HTML and how they differ from self-closing tags in XML, XHTML, and SVG, highlighting the syntax and parsing differences.
Step by step instructions for implementing Google AdSense Code into a Google Tag Manager (GTM) container and fire it on page view.
ISO 3166 – Country codes. ISO 3166 Alpha-2 and country code top-level domain (ccTLD).
ISO 639-2 language names and their corresponding ISO 639-1 language codes.
JavaScript RegExp examples to validate URI paths, also known as URL slugs. Code examples to match lowercase characters, hyphens and numbers.
How to set up Netlify forms to be GDPR conformant by automatically deleting form submissions after processing. Netlify functions to delete form submissions.
How to enable Netlify to load fonts from Git Large File Storage (LFS). Fixes downloadable font: rejected by sanitizer error.
Cheat sheet for pacman, the Arch Linux package manager. List of common and essential commands and options. Also includes cheats for paccache.
Pandoc (universal document converter) cheat sheet with useful Pandoc commands.
Sophisticated robots.txt template. Keep unwanted robots out (disallow). White lists (allow) legitimate user-agents. Useful for most websites. Robots.txt example.
This Vim Cheat Sheet also includes shortcuts and commands for NERDTree and Vimium. List of essential Vim commands. Learn Vim.
How to edit multiple files in the buffer of the Vim text editor, following a certain search and replace (substitution) pattern, at the same time.
How to open multiple files in tabs of the Vim text editor, following a certain pattern, recursively and non-recursively, at the same time.
Recipes and command examples for jq, a lightweight and flexible command-line JSON processor.
Cheat sheet for the open-source terminal multiplexer tmux. Getting started with tmux. Learn to master tmux with simple commands and shortcuts.