Resources

Linux

• Learn Enough Command Line to be Dangerous
• Unix shell commands and reference
• Getting started with Ubuntu's desktop
• Regular expressions tutorial

Git

• Visualizing Git: Article, "Playground"
• NDP's interactive cheat sheet
• A Visual Git Reference (by Mark Lodato)
• Atlassian's tutorial
• Pro Git (book by Scott Chacon)

Web Front-End

• Mozilla Developer Network: Documentation on HTML, HTML5, CSS, JavaScript, DOM, Ajax, etc.
• Code playgrounds: codepen, jsfiddle, jsbin
• A List Apart: articles on web site design and development etc.
• Can I use… compatibility tables for support of HTML5, CSS3, JavaScript

HTML/CSS

• Summary of the CSS Cascade
• Summary of 100% in CSS
• Learn Enough HTML, CSS and Layout to be Dangerous Safari (by Lee Donahoe, Michael Hartl, 2022)
• Head First HTML and CSS Safari (by Elisabeth Robson and Eric Freeman, 2012)
• CSS in Depth Safari (by Keith J. Grant, 2018)
• CSS: The Definitive Guide, 5th Edition Safari (by Eric Meyer, Estelle Weyl, 2023)

JavaScript

• JavaScript style guides: Airbnb, Idiomatic
• You Don't Know JS Yet
• Javascript: The Definitive Guide, 7th edition Safari (by David Flanagan, 2020)
• Eloquent JavaScript, 4th edition (by Marijn Haverbeke, 2024)
• Head First JavaScript Programming, 2nd edition Safari (by Eric Freeman and Elisabeth Robson, 2014). Note: 2nd edition is due out in Sept 2024.

Ruby

• Ruby style guides: Batsov, Airbnb, Shopify
• Head First Ruby Safari (by Jay McGavren, 2015)
• Learn Enough Ruby to Be Dangerous Safari (by Michael Hartl, 2022)
• Book of Ruby Safari (by Huw Collingbourne, 2011)
• Why's (Poignant) Guide to Ruby
• Guide to gem management in 3901

Rails

• Rails Guides
• Ruby on Rails Tutorial: Learn Web Development with Rails, 7th Edition (book, video) (by Michael Hartl, 2022)
• Pragmatic's Agile Web Development with Rails 6 Safari. (by Sam Ruby, David B. Copeland, and Dave Thomas, 2020). Note: the Rails 7 edition is also available.
• Head First Rails Safari (by David Griffiths, 2008: This book is out-dated, so you can't just follow the steps mechanically, but the writing style is clear)

Software Engineering

• Clean Code: A Handbook of Agile Software Craftsmanship book (by Robert Martin, 2009) and video (2017)
• Joel on Software Safari (by Joel Spolsky, 2004)
• More Joel on Software Safari (by Joel Spolsky, 2008)
• 97 Things Every Programmer Should Know Safari