How to build a complete, real-world application from scratch with Ruby on Rails step by step.
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Fragment caches can be hard when users have different permissions and are allowed to do different things. We can solve this problem with a little Javascript and greatly improve the usefulness of our fragment caches.
Continuous Deployment is the automation of deploying any code that gets merged into your main or release branch. We can easily set up GitHub Actions to run CI and CD for us to automate everything.
In this video, we will take a look at how to use a few association declaration options to build a couple of has_one associations off of a has_many association in Rails.
Using Signed GlobalIDs, we can create polymorphic select boxes in Rails to easily choose a record of any type. This is also secured by using signed global IDs to prevent tampering by malicious users.
Stripe webhooks are now required to be signed with your secret webhook key. We'll show you how to set them up in your Rails app today.
How to create a new Rails app
Setting up a Git repository and Flash messages
Validations
The core of any API wrapper is the actions for create, read, update, and delete. We'll implement the CRUD for a resource so you can see how to do it and wire up everything together that we've built so far.
CSS Variables or CSS custom properties allow you to define variables that can be used throughout your CSS to change properties and their values dynamically. It's a wonderful feature for allowing users to customize the look of your website.
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.
Rails provides several really useful test helpers for ActionMailer so we can quickly iterate on our design, test that our code queues up the right emails, and make sure our emails contain the right content.
An updated version of our Group Chat series using Webpacker, ActionCable, Stimulus.js, and modern Javascript to build a very clean version of realtime group chat in Rails
Installing Bootstrap is easier than ever thanks to CSS Bundling in Rails now. It also wires up the Javascript so you don't have to do much of anything.
Complex queries can slow your page rendering down. We can now run long queries in parallel with Rails 7's load_async method in ActiveRecord to speed up page rendering.
How do we go about writing robust tests with rspec for simple_calendar?
Use Carrierwave to add attachments to your Mailboxer conversation messages
Reply to inbound SMS and phone calls using TwiML to create XML responses to Twilio conversations
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
Now that the Paperclip gem has been deprecated, it's recommended that you migrate your apps to ActiveStorage
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