With revised checklist on setting up a new Rails app, including configuration of Travis (CI) and Coveralls (test coverage). Free PDF download

Resource links that are highlighted are specifically recommended by the book’s authors.

	Basic/Beginner Tutorials	Beginner to Intermediate Tutorials	Intermediate to Advanced Tutorials	Reference/cheatsheets
Ruby	tryruby.org codecademy.com	rubymonk.com code school ruby-bits (starts free - later paid) codewars Ruby kata	rubykoans.com	Ruby Style Guide Ruby cheat sheet
Rails	Michael Hartl Tutorial Bundler best practices Rails for Zombies (intro free)	Migrations cheat sheet Rails form helpers cheat sheet
HTML, CSS, etc.	Learn HTML and Learn CSS from Mozilla Foundation CSS Diner: practice CSS interactively in this whimsical environment (first 15 lessons or so should be enough) codecademy.com Learn HTML CodeAvengers HTML/CSS tutorial Mozilla Thimble is a full cloud-based HTML+CSS interactive authoring environment.	Once you know the basics of HTML and CSS: BootstrapCSS tutorial. Bootstrap is the fastest way to get a non-ugly look and feel. We recommend installing the Sass version, which plays nicely with Rails’ asset pipeline. W3.CSS is a pure-CSS (no JavaScript), lightweight alternative to Bootstrap, though there is some controversy in the UX community about its weaknesses.	Google Web Fundamentals	Mozilla Developer Network: HTML5 Document Object Model (DOM) cheat sheet CSS cheat sheet Bootstrap cheat sheet
Git, GitHub	try.github.com GitHubGuides The git-it interactive  tutorial (preinstalled in bookware VM)	GitImmersion Understanding Git Conceptually Udacity Git Course	Git for Computer Scientists Git Magic (advanced)	Installing Git Pushing and Pulling An Illustrated Guide to Git on Windows Pro Git book
JavaScript	http://hsablonniere.github.io/ markleft/prezas/javascript-101.html#1.0  https://www.codecademy.com/ tracks/javascript  http://freecodecamp.com/	JavaScript, DOM event handlers https://developer.mozilla.org/en-US/docs/Web/JavaScript
Relational Databases	http://www.tutorialspoint.com/ sql/index.htm https://www.gitbook.com/book/ hgducharme/sql-basics/details https://lagunita.stanford.edu/courses/ DB/RDB/SelfPaced/about https://www.sqlteaching.com/	https://lagunita.stanford.edu/ courses/DB/2014/SelfPaced/about	SQLite3 command line cheat sheet
RSpec				http://rspec.info/ RSpec cheat sheet
Cucumber & Capybara				http://cukes.info/ LaunchAcademy Capybara cheatsheet
Bundler	http://bundler.io/

• Railscasts - focuses on Rails-specific development issues
• RailsLab - focuses on Rails-specific operations/dev-ops issues 
• BDDcasts specializes in BDD & Cucumber TeachMeToCode