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22m

Nested Comment Threads in Rails - Part 1

Sep 12, 2018 Pro

How to build nested comments and threads in Ruby on Rails

37
13m

How to Debug Ubuntu and Debian Packages

Apr 14, 2025 Pro

We spend most of our time working with Ruby gems and node modules, but on the rare occasion, we might need to debug an Ubuntu / Debian package. In this lesson, we'll see how these packages work and debug something in the PostgreSQL package.

4
18m

API HTTP Requests using Faraday

Aug 19, 2021

The first step in building an API wrapper Rubygem is building your HTTP client. We're going to use Faraday as our HTTP client and get it setup with authentication.

8
39m

Contributing to Open Source: Adding subdomains to the Addressable gem

May 22, 2023 Pro

The addressable gem adds some nice features over Ruby's built-in URI class, but it doesn't have any helpers for extracting subdomains. In this lesson, we'll add some methods to Addressable to make accessing subdomains easier.

0
11m

Vue.js Components in Rails Views

Apr 12, 2018

Learn how to deeply integrate your Vue.js components with Ruby on Rails views

28
16m

Introduction to Importing from CSV

Feb 20, 2015

We take a look at the basics of using Ruby's CSV library to import data into your Rails application with a Rake task

47
2h 25m

Building AnimatedGif.me Part 1

Feb 24, 2020

This series walks through the entire process of building a Ruby on Rails app from start to finish. We'll be building AnimatedGif.me for saving and sharing animated gifs as easily as possible.

5
53m

Building AnimatedGif.me Part 2

Mar 02, 2020

This series walks through the entire process of building a Ruby on Rails app from start to finish. We'll be building AnimatedGif.me for saving and sharing animated gifs as easily as possible.

0
27m

Building AnimatedGif.me Part 3

Mar 10, 2020

This series walks through the entire process of building a Ruby on Rails app from start to finish. We'll be building AnimatedGif.me for saving and sharing animated gifs as easily as possible.

1
9m

How to Test Validations in Rails

Sep 05, 2019

Learn how to write tests for validations on ActiveRecord objects in Ruby on Rails

2
19m

Custom Attribute Serializers with ActiveRecord in Rails

Nov 13, 2023 Pro

Did you know serialize can be used for more than saving Ruby hashes as JSON or Yaml in your db? You can take any attribute and convert it to an object seamlessly with Rails using serialize and custom coders.

8
10m

How To Setup Vagrant For Rails Development

Apr 29, 2015

Learn how to use Vagrant to set up a headless virtual machine for Ruby on Rails development

9
13m

ActiveRecord Aggregations with composed_of

Mar 18, 2024 Pro

ActiveRecord Aggregations let you use composed_of to combine columns into a single attribute using a Ruby object.

2
25m

Components with Phlex in Rails

Feb 05, 2024

Adam McCrea walks through using Phlex to build components for views in your Rails applications. Phlex is a Ruby gem for building fast object-oriented HTML and SVG components using Ruby constructs: methods, keyword arguments and blocks.

9
13m

How to Test Gem Dependencies with Appraisal

Sep 03, 2020

Appraisal lets us test our code against different versions of dependencies. This is fantastic if you're building Rubygems that must work with multiple versions of Rails or other dependencies

2
16m

Practical Decorators & Extracting Concepts

Apr 22, 2024 Pro

You might not realize your code has concepts that need to be extracted. Sometimes it's as simple as a small decorator around a Ruby class as we'll see in this lesson.

2
11m

Video Hosting API Client from Scratch

Mar 27, 2024 Pro

Next up, we need to sync videos from our hosting provider's API so we'll build an API client from scratch using net/http in Ruby

3
7m

How to add Feature Flags in Rails with the Flipper gem

Feb 25, 2022

Testing out new features or changes in production is something almost every application needs. Flipper is a fantastic tool with a GUI for rolling out these changes easily in your Ruby on Rails app.

2
9m

Extending Rails Associations with Custom Features

Feb 19, 2024 Pro

Rails associations provide an object that quacks like an ActiveRecord but is actually a CollectionProxy. We can extend the proxy object with our own functionality to add useful features with Ruby Modules.

1
15m

AI Summaries in Rails with Gemini 2.0

Feb 10, 2025 Pro

AI summaries are in every application these days. In this lesson, we'll use Google's new Gemini 2.0 AI model and API to generate summaries of text that we can use in any Ruby or Rails app.

6
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