How to build a complete, real-world application from scratch with Ruby on Rails step by step.
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Our scheduled blog posts adds some complexity to our app. In this lesson, we're going to write some tests to make sure that our code does what we want it to do.
Scopes are a way for us to change the way a database table is queried. For example, we can use them to change the ordering of the results so certain records are first.
ActionText is a feature of Rails that allows you to add rich text including file uploads to any of your models. This is a perfect fit for our Blog Posts, so we're going to replace the text column with a rich text field with ActionText.
ActionText builds on top of the ActiveStorage file uploads feature in Rails, so we're going to configure Amazon S3 storage so we can upload files in production
Rails uses the MVC Pattern. This isn't as scary as it sounds. It's basically a design architecture that gives you 3 primary buckets to help you organize your code.
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.
Pagination is something we don't need until we publish a lot of blog posts. We can use the pagy gem to add page links to the bottom of our pages and handle thousands of blog posts.
Blog posts often need cover images for social sharing. In this lesson, we'll add cover image file uploads with ActiveStorage.
Processing inbound webhooks can be tricky. In this lesson, you'll learn how receive, verify, and process webhooks in an efficient and well-organized manner.
A lot of developers use link_to and button_to interchangeably. In this lesson, we'll explore when you should use link_to and when to use button_to and the differences between them.
In this episode, we will extend Trix by adding a text highlighting feature.
In this episode, we will look at refactoring some time related code by leveraging ActiveSupport::TimeWithZone
Turbo Frames provide an iFrame like concept for Hotwire applications. If you're using Turbo streams to replace a portion of the page, you can accomplish the same thing even easier using Turbo Frames
In this video, we will be looking at how to better debug issues in our programs and applications by leveraging the Ruby Debug gem.
Mobile and desktop versions of widgets often need to be completely different. Navigation and tabs on mobile don't work well when there are lots of items so we'll show you how to use Turbo and a select tag for mobile navs.
In this episode we discuss how to extend Rails (gently) with Kasper Timm Hansen and a few of his open source gems. The important idea here is for people to try to come up with their own ideas of making Rails better.
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.
In this lesson, we look at the tools we will need to have installed so that we can start on our journey to learning SQL.
In this lesson, we will learn how to create and drop databases with SQL commands.
In this lesson, we will learn how to create and drop tables in our database with SQL commands.
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