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the Application Development bundle

With the foundations laid, you're now ready to learn industrial-strength web development with the full Ruby on Rails Tutorial. With 12 chapters and nearly 20 hours of video, the Rails Tutorial teaches you way more than enough to be dangerous. By the time you finish this course, you'll be able to build your own professional-grade web applications.

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Cover web
Cover web
Icon outline book
940 pages
Icon outline screencasts
21 hours
Icon outline course
21 chapters
297 videos
335 exercises

An intro to our

Learning Materials

The Learn Enough tutorials are available as books, downloadable videos, and online courses. The Application Development Bundle includes 940 pages of book content and 21 hours of video.

Courses (by Monthly Subscription)

Full online version of the book content, embedded streaming videos for all sections, exercises with editable answers, progress tracking, and membership in the Learn Enough Society (community exercise answers, private chat group). Pause your subscription at any time!

ebooks (Online and Offline)

Online HTML version accessible from any web browser, downloadable ebooks in all common formats (EPUB, MOBI/Kindle, PDF). Files are yours to keep forever!

Offline Screencasts

Downloadable versions of all screencast videos. Note: Does not include ebooks, so the video/ebook bundle is strongly recommended. Files are yours to keep forever!

We offer bundled

Courses & Downloads

Bundled Courses (Monthly Subscription)
$ 29 /mo
3 online courses
Bundled Downloads (One-Time Purchases)
$ 87
3 bundled ebooks (940 pages)
$ 310
21 hours of bundled video
Save $40.0 over
buying separately!
$ 357
3 ebooks and 21 hours of video
Need a little help?

Learn Enough offers a generous scholarship program to help out in case cost is a factor. We’ve already awarded over 1000 Learn Enough Scholarships to a wide variety of recipients, including students, people between jobs, and residents of countries with unfavorable exchange rates. Applications are quick, easy, and 100% confidential. Learn More

Money-Back Guarantee

All our tutorials come with a 100% money-back guarantee. If for any reason you aren’t satisfied with any tutorial purchase, just let us know and we’ll refund your payment.

Want access to All the tutorials?

The Learn Enough All Access Bundle includes the entire Learn Enough introductory sequence and the full Ruby on Rails Tutorial. That’s over 2500 pages of book content and 53 hours of video that teaches you enough Command Line, Text Editor, Git, HTML, CSS & Layout, JavaScript, and Ruby to be dangerous, along with a comprehensive introduction to building profession-grade web applications with Ruby on Rails.

All bundles include the course version of all the tutorials (streaming video, exercise answers, and progress tracking), and access to the Learn Enough society to get help if you need it

$ 49 /mo

Titles included in

The Application Development


Ruby on Rails (Rails 6)

The Ruby on Rails Tutorial teaches you how to develop custom web applications with the popular Ruby on Rails web framework. Since its launch in 2010, the Ruby on Rails Tutorial has been the leading introduction to web development with Rails.

The Ruby on Rails Tutorial is designed to give you a thorough introduction to web application development, including a basic grounding in Ruby, Rails, HTML & CSS, databases, version control, testing, and deployment—sufficient to launch you on a career as a web developer or technology entrepreneur. If you already know web development, this book will quickly teach you the essentials of the Rails framework, including MVC and REST, generators, migrations, routing, and embedded Ruby.

Action Cable

Learn Enough Action Cable to Be Dangerous teaches you how to use the WebSocket Protocol, a complement to the standard HyperText Transfer Protocol (HTTP) that creates a persistent connection between servers and clients, allowing two-way communication between them. The result is that WebSockets allow developers to create real-time applications such as chat apps and game servers that are far more interactive than ordinary web pages.

When using WebSockets, it’s nice to be able to have users log in, store their attributes in a database, render templates back to the browser, etc. In other words, it’s nice to have the power of a full-strength web framework like Ruby on Rails behind us. This is where Action Cable comes in. Action Cable gives us the best of both worlds: real-time communications with WebSockets combined with all the convenience and flexibility of Rails.

To be productive with Action Cable, you don’t have to know everything about it—you just have to learn enough to be dangerous.

About the Author

Michael Hartl

Michael Hartl is the creator of the Ruby on Rails Tutorial, one of the leading introductions to web development, and is cofounder and principal author at Learn Enough. Previously, he was a physics instructor at the California Institute of Technology (Caltech), where he received a Lifetime Achievement Award for Excellence in Teaching. He is a graduate of Harvard College, has a Ph.D. in Physics from Caltech, and is an alumnus of the Y Combinator entrepreneur program.

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