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Expert advice on keeping Rails apps organized and fast.

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A few of the Open Source projects we do at GoRails.

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5m

Limiting & Clamping Values in Ruby

May 27, 2024

Sometimes you need user input to be restricted to a certain range or limited like "greater than zero". While you can do this with conditionals, there are some useful tricks to do this better in Ruby.

1
1h 20m

Adding Timeouts to net-ssh with Mike Perham

Jun 03, 2024

In this lesson, we'll dive into some code to add timeouts for an issue with net-ssh with the help of Mike Perham

0
5m

How to Upgrade Ruby Versions

Apr 05, 2023

Over time, you'll need to upgrade the Ruby version of your Rails application. For example, a new version of Ruby was released since we started this series that fixes a couple security issues in Ruby so we'll teach you how to upgrade your Ruby version.

0
9m

What is 'it' in Ruby 3.4

Dec 30, 2024

Ruby 3.4 added 'it' to reference a block parameter with no variable name. Let's check it out!

0
11m

How to use Enumerable with Ruby Classes

Jun 02, 2025

Enumerable provides a suite of sorting, filtering, iterating functionality to any collection class in Ruby. It's easy to implement and use, so let's see how to use it.

2
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
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.

8
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
12m

Modular Code Organization

Dec 26, 2022

In this episode, we will look at an option for beginning to refactor your code architecture to use modules as a first step to potentially extracting a new class.

6
29m

Creating a Railsbyte

Oct 10, 2022

In this episode, we look at how to make a Railsbyte template. Specifically, we will be making a Railsbyte that will set up our application for deployment with Render which will allow us to be able to reuse the template on any application that we would lik

0
18m

How to use Omakase Rubocop Linter/Formatter Rules for Rails

Aug 16, 2024

Formatting Ruby code can be a point of contention because the language is so flexible, but it

5
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
8m

Debugging with Caller

Dec 12, 2022

Debugging Ruby with the Caller method

2
4m

Refactoring Local Variables To Methods

May 06, 2024

Sometimes you write code to get a feature working and stop there. With a little refactoring, you can extract local variables into methods that make testing and extending easier.

0
4m

Ruby Version Managers

Jul 02, 2014

Techniques for installing Ruby and managing different versions between applications

10
16m

Ruby Pattern Matching

Aug 18, 2025

In this episode, we will be looking at pattern matching in Ruby which lets you check the structure of data and save parts of it into variables.

3
11m

Rubygems Trusted Publishing

May 17, 2024

Rubygems.org released a new feature called Trusted Publishing which allows you to release gems directly from GitHub Actions without requiring 2FA or long-lived API tokens. Let's see how it works!

1
26m

Creating a Ruby Gem for Black Friday sales

Nov 25, 2024

Black Friday is a popular shopping holiday every year. In this lesson, we'll build a Ruby gem to help automate our Black Friday sales each year.

5
11m

Solving FizzBuzz in Ruby

Jul 04, 2016

See how different approaches can affect the code you write using FizzBuzz as an example

17
14m

GitHub Actions with Ruby on Rails: Setting up Continuous Integration

Oct 17, 2019

Learn how to set up GitHub Actions to run Continuous Integration (CI) with Ruby on Rails

20
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