Ruby Language Series

Learn how to enable the experimental new Just-in-time compiler for Ruby 2.6

2

Ruby's Array() and Array.wrap

Jul 30, 2019

Learn how to remove conditionals and make your code simpler and more reliable using Ruby and ActiveSupport's Array wrap methods

3

11m

Ruby Module Include Tracking

Apr 19, 2020 Pro

Sometimes you might want to keep track of all classes a module was included in. We can do that with a couple nifty tricks to make this work with both regular Ruby modules and Rails concerns.

7

10m

Symbols vs Strings

Feb 14, 2019

Ever wondered what the difference between Symbols and Strings were? Why would we use one over the other when most languages only have strings?

16

8m

Sometimes you may need to wrap and reraise an exception. Ruby 2.1+ makes this easy by letting us raise a new error, pass in the old one, and automatically assigns the exceptions "cause" which is the original exception.

3

8m

How to use "ensure" in Ruby

Mar 14, 2022 Pro

Using ensure with blocks is extremely helpful for cleaning up things. We'll learn how to use ensure in Ruby for cleaning up open files as well as temporarily changing values for requests or test stubs.

4

19m

Flattening Scopes in Ruby

Apr 05, 2022

In this video, we will look at how to use blocks and bindings in Ruby to pass local variables across different scopes.

4

23m

Concept Application: Assert Difference Deep Dive

Apr 25, 2022

In this video, we will explore how the concepts we looked at in "Flattening Scopes in Ruby" are used in Rails by taking a look at the assert_difference method. We will walk through how the method works while taking note of where the concepts are applied.

0

15m

Eigenclasses

May 30, 2022 Pro

In this episode, we will be looking into Ruby's eigenclasses or singleton classes. We will first look at singleton methods and then how we can access the eigenclasses of objects.

4

21m

Your First Ruby Gem

Oct 24, 2022

In this episode, we will create our first Ruby Gem. It will be a very simplified gem that adds a method to the built-in Ruby Array class. The goal is to understand the core pieces of what is needed to create a gem that we can share with the community.

2

24m

Your First Ruby Gem Part 2

Nov 07, 2022

In this follow-up episode on building your first Ruby gem, we look at setting up version control, adding a basic testing setup, and adding a basic GitHub action for a CI (continuous integration) setup. With these pieces in place, we should have a solid fo

2

21m

Building Utilities with Ruby Scripts

Dec 19, 2022

In this episode, we look at how to get started making utility programs with Ruby similar to the built in cat and grep programs.

2

8m

Debugging with Caller

Dec 12, 2022

Debugging Ruby with the Caller method

2

14m

The Ruby Subscript Operator

Jan 09, 2023 Pro

Rails uses the Ruby subscript operator to implement versioning with ActiveRecord Migrations. We'll learn how this works and implement it from scratch to see how it all ties together

5

4m

Bundler's New Ruby Version File Option

Aug 18, 2023

Bundler 2.4.19 introduces a new "file:" option for specifying the Ruby version file. This makes it easy for you to have a single point of truth for your Ruby version file.

2

13m

The Behaviors Of Super

Oct 13, 2023 Pro

In this lesson, we will look at the various ways we can use the super keyword in Ruby in regard to forwarding method arguments to the equivalent method in a parent class.

2

Courses

Rails for Beginners

Advanced Ruby: Behind the Magic

Payments with Rails Master Class

Refactoring Rails

Apps

Hatchbox.io

Jumpstart Rails SaaS Template

Other

Remote Ruby Podcast

Rails Hackathon

Beginner Bounties

Ruby on Rails Job Board

Ruby Language

How to use the Ruby 2.6 Just-in-Time (JIT) Compiler

Dec 28, 2018