Learn Ruby on Rails Topics

ActionCable

ActionCable provides real-time websocket support in your Rails app. Websockets are a persistent connection to the server where data can be sent and received in real-time.

4 Lessons
49m
Intermediate

ActionText

Rails 6 comes with ActionText which allows you to edit and display rich text in your applications.

7 Lessons
1h 24m
Intermediate

ActiveJob & Background Jobs in Rails

Time consuming work must be done in a background job which makes background jobs a core piece of building Rails apps.

1 Lesson
13m
Intermediate

ActiveRecord & Databases in Rails

ActiveRecord is Rails' Object Relational Mapping system. It allows you to define Ruby classes that represent tables in your database so you can create, query, edit, and delete records and their associations. It also provides a home for business logic so you can define and run operations against your database. In this series, we'll teach you how to use ActiveRecord in your Rails apps.

5 Lessons
1h 28m
Intermediate

API Clients In Ruby From Scratch

API clients are a for web applications to interact with each other. In this series, we'll learn how to build our own clients for any API from scratch using plain Ruby. No rubygems needed!

4 Lessons
1h 29m
Intermediate

APIs with Rails

Learn how to build APIs with Ruby on Rails for frontend Javascript frameworks, mobile apps, and for public consumption.

7 Lessons
2h 9m
Intermediate

API Wrapper Rubygems

Ever wondered how to build a Rubygem that wraps an API to make it easier to use in Ruby? You've come to the right place. We'll walk through everything step-by-step covering everything from HTTP requests, converting JSON responses to Ruby objects, and even testing.

5 Lessons
1h 30m
Intermediate

Build a Blog with Rails 7

For our very first Rails app, we're going to start very simple. We'll build a blog completely from scratch to learn routes, models, views, and controllers. Plus, we'll deploy our code to production, add migrations to improve our blog, and lastly we'll add rich text and file uploads with ActionText and ActiveStorage.

21 Lessons
5h 17m
Beginner

Build a Password Manager with Rails 7

Our second Rails application is going to be a password manager from scratch. We'll learn how to encrypt usernames and passwords in the database securely with ActiveRecord Encryption, add Javascript so we can have copy to clipboard functionality, and we'll learn how to use join tables with roles to setup permissions for other users that we want to share passwords with.

9 Lessons
2h 40m
Beginner

Build a Rails SaaS with Jumpstart Pro

Learn how to use the Jumpstart template to build Ruby on Rails applications faster and focus on your business logic instead of the boilerplate.

1 Lesson
8m
Intermediate

Build a URL Shortener with Rails 7

In this series, we'll build a URL shortener from scratch. We'll see how Twitter's URL shortener works for tracking view analytics and create our own short codes by creating Base62 encoding from scratch.

17 Lessons
4h 13m
Beginner

Building A Calendar Rails Gem

In this series, we'll walk through building an open source calendar gem from scratch and show you the entire process start to finish.

18 Lessons
5h 25m
Intermediate

Code Reviews & Refactorings

Reviewing and refactoring code is a core piece of the development lifecycle. In this series, we'll review and refactor code from subscribers and open source projects to see if we can find some clearer ways of accomplishing the same features.

8 Lessons
4h 34m
Intermediate

Common Features in Rails Apps

Most Ruby on Rails applications need the same features over and over again. Anything from comments, notifications, friend IDs, subdomains, and more. This series covers all kinds of different features that you'll need to implement on a regular basis as a Ruby on Rails developer.

65 Lessons
18h 59m
Intermediate

CSV Import and Export

CSVs are a common formation for importing and exporting data between systems. In this series, we'll learn how to read and write CSVs and transform the data to import and export from our Rails database.

4 Lessons
1h 7m
Intermediate

Deploying Apps with Hatchbox.io

See how to deploy your Rails, Hanami, Sinatra, Rack, and other Ruby apps to production on your own servers with Hatchbox.io

1 Lesson
8m
Intermediate
13 Lessons
3h 34m
Intermediate

Design Patterns

Common Ruby on Rails design patterns for organizing your code

8 Lessons
2h 33m
Intermediate
7 Lessons
1h 48m
Intermediate
5 Lessons
1h 29m
Intermediate

ElasticSearch

Advanced search in Rails using ElasticSearch

2 Lessons
55m
Intermediate

Embeddable Javascript Widgets with Rails

Learn how to build embeddable Javascript widgets using Ruby on Rails as the backend. You'll learn how to build embed codes and render widgets on the page that talk to your Rails API.

6 Lessons
1h 41m
Intermediate
5 Lessons
46m
Intermediate

Hotwire

Learn how to use Hotwire as an alternative approach to building modern web applications without using much JavaScript by sending HTML instead of JSON over the wire.

18 Lessons
5h 2m
Intermediate

How To Build A Forum in Rails 4.2

A forum is a great example of a semi-complex Rails application and we'll build one together in this series using Rails 4.2.

7 Lessons
1h 25m
Intermediate

How to Contribute to Rails

Everyone has a dream of being able to contribute to Rails core. It's quite a hard thing to do, but there are some helpful ways to approach it which can make finding bugs or features to fix in Rails much easier. We'll discuss how to learn the Rails code base and poke around until you find what you're looking for in order to modify Rails to add your feature and then write tests to test it.

7 Lessons
2h
Intermediate

HTML for Beginners

Dive into the fundamentals of web development with our beginner-friendly HTML course. Learn the essentials of HTML, the language behind every webpage, and gain practical experience creating your own web content. Perfect for absolute beginners, this course will equip you with the skills to start building your first websites and set you on the path to becoming a web developer.

11 Lessons
2h 5m
Beginner
4 Lessons
1h 7m
Intermediate
3 Lessons
57m
Intermediate

Javascript and CSS in Rails

In this series, we'll cover how to use Javascript and CSS in Rails. We've covered how to use Javascript and CSS with the asset pipeline, but now we're showing you how to use Webpacker to load Javascript and CSS with Rails.

24 Lessons
5h 12m
Intermediate

Maps, Geolocation, and GeoSearch in Rails

Maps, geolocation, and geosearch are a common feature for web apps these days. You'll learn how to implement these maps and geo features in your Rails app.

6 Lessons
1h 39m
Intermediate

Mobile Apps with Rails & Hotwire

Hotwire is designed to make building mobile apps easy with Rails. You can build your Rails app as you normally would, but the Hotwire mobile apps can intercept requests and handle pieces of the app natively. This lets you build native feeling mobile apps for iOS, Android, mobile, tablets, and desktop.

1 Lesson
15m
Intermediate

Multitenancy in Rails

Multitenancy is a technique for separating data for each account in your application. You'll learn how to implement multitenancy in several different ways in Rails.

3 Lessons
56m
Intermediate

Nested Comment Threads in Rails

Comments seem like an easy feature, but they can get complicated fast. In this series, we'll implement a comment system with nested comments so users can reply to each other to provide a rich comment experience.

8 Lessons
2h 12m
Intermediate
5 Lessons
1h 30m
Intermediate
6 Lessons
2h 11m
Intermediate
7 Lessons
2h 49m
Intermediate
15 Lessons
4h 43m
Intermediate

Rails 6 for Beginners

Our Ruby on Rails 6 for Beginners course is the perfect introduction to Ruby on Rails. We'll walk you through HTTP, Ruby, authentication, APIs, OAuth, deploying to production and fixing bugs for maintenance. It's everything you need to get a full application built in Ruby on Rails for the first time.

43 Lessons
5h 15m
Beginner

Rails Concepts

This series covers some of the often misunderstood Rails basics. Things like params, environment variables, and other topics are glossed over assuming you understand them but we'll dive into them in detail and explain how they work so you can have a much more deep understanding of Ruby on Rails.

29 Lessons
7h 58m
Intermediate

Rails Engines

Rails engines are plugins to add functionality to multiples Rails apps. Learn how to create your own by organizing code into Rails engines, building Rubygems with Engines and Railties, and more.

4 Lessons
1h 28m
Intermediate

Rails Performance Techniques

The faster your application runs, the better experience for your users. In this series, we'll cover Rails performance techniques like counter caches, fragment caching, memoization, database indexes, CDNs, and more.

13 Lessons
2h 54m
Intermediate

Rails Security

Learn how to secure your Ruby on Rails application from SQL injection, CSRF attacks and more.

2 Lessons
31m
Intermediate

Realtime Apps with Hotwire & ActionMailbox

Learn how to build a realtime Customer support application using Rails, Hotwire, ActionText and ActionMailbox for handling inbound emails.

4 Lessons
1h 9m
Intermediate
12 Lessons
3h 39m
Intermediate
5 Lessons
1h 30m
Intermediate

Refactoring Your Code

Refactoring is the process of improving your code without alternating it's functionality. In this series, we'll refactor code to make it more modular, maintainable, and easier to understand.

13 Lessons
3h 43m
Intermediate

Ruby for Beginners

Ruby is a dynamic, open source programming language with a focus on simplicity and productivity. It is the foundation for the Ruby on Rails web framework and we'll teach you the basics so you can get started with Rails.

10 Lessons
5h 50m
Beginner

Ruby Language

Learn the Ruby language by example. We'll look at how Ruby is designed, how it works, and the features you can use to build applications.

16 Lessons
3h 40m
Intermediate

SOLID Design Principles in Rails

In this series, we'll explain the SOLID principles using real-world examples as best we can so you can see how design patterns and principles can affect your code making it easier to read, understand, test, and maintain.

5 Lessons
58m
Intermediate

SQL for Beginners

Structured Query Language is a domain-specific language used in programming and designed for managing data held in a relational database management system.

16 Lessons
2h 30m
Beginner

Start to Finish: AnimatedGif.me

In this series, we're building https://animatedgif.me from scratch using Shrine. We'll start designing our database models, then get into designing our UI, writing tests and finally deploying our app to production.

3 Lessons
3h 46m
Intermediate
10 Lessons
2h 15m
Intermediate

Testing Rails Applications

Testing Ruby on Rails applications isn't hard, but you have to learn the basics well. We'll cover how to write unit tests, system tests, integration tests and more. We'll also explore mocks, stubs, factories, fixtures, minitest vs rspec and much more.

25 Lessons
5h 6m
Intermediate

Trello Clone with Rails & Vue.js

In this series, we'll build a clone of Trello using modern Javascript using Vue.js and a backend in Ruby on Rails with realtime activity using ActionCable. This is a great intermediate level series showcasing how to approach using Ruby on Rails with modern Javascript and how these frameworks can talk to each other.

8 Lessons
1h 52m
Intermediate

Twilio with Rails

Twilio is a fantastic API for sending and receiving SMS and phone calls in your Rails applications. We can use their API along with TwiML to create messages that can be sent out via SMS or translated from text to speech through their phone call APIs.

3 Lessons
45m
Intermediate

Upgrading Rails

Learn how to upgrade your Ruby on Rails apps to newer versions of Ruby, Rails, and other dependencies along the way.

4 Lessons
50m
Intermediate
6 Lessons
1h 44m
Intermediate
2 Lessons
58m
Intermediate
5 Lessons
1h 30m
Intermediate

What's New in Rails 6.0

A list of features showing what's new in Rails 6.0.

8 Lessons
1h 44m
Intermediate

What's New in Rails 7.1

Rails 7.1 introduces lots of new improvement, features, and bugfixes. In this series, we'll explore the changes and show you how to upgrade your apps to take full advantage of these new features.

10 Lessons
2h 31m
Intermediate

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