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In this episode, we will walk through how you can save the contents of inbound HTML emails from ActionMailbox using ActionText and attachments using ActiveStorage
One fantastic way to improve Rails performance is by using Etags to help the browser keep track if a page has changed or not. This can help Rails skip rendering views entirely and save lots of time.
It's a common situation that we need to submit complex data in our forms in our Rails apps. We'll explore how can we transform the simple values browser forms allow and convert them into something Rails can use and transform into Ruby objects.
The div_for method gives you easy access to creating id's and classes for your ActiveRecord objects in the views. It also makes for easy access to elements with CSS and Javascript.
Learn how to refactor our CSV upload form with ActiveModel::Model to create a tableless form object
A/B testing (or split testing) is a really common way of testing changes in your app to determine which works best for your users.
Learn how to implement a Slack Slash Command App in Rails using webhooks
You can use Fixtures in Rails to create sample database records for your tests to run against. They're easy to setup and extremely quick.
In this episode, we add tests for our Basecamp 3 style urls that we built using a Rack middleware
Learn how to implement multiple file uploads in your app using Shrine and jQuery File Upload
Cleaning up the rough edges and adding some polish to geosearch using AJAX
An introduction to the Puma webserver and how to deploy your application to Heroku
Learn how to setup forms to work with Turbolinks iOS and Android adapters
Add advanced counter caching for soft deletable models, scopes, and has_many relationships
This episode we handle drag and drop of cards in their own column and also between columns in our boards
Refactoring our trello clone into sub-components and introducing a global datastore to really clean up our code
Adding Vuex as our Data Store gives us the ability to add realtime updates to our trello clone across browsers using ActionCable
The next step in our embeddable javascript widget series is setting up our Vue frontend to talk with our Rails backend using Vuex
Race conditions can cause problems with data integrity. We can prevent these issues with Pessimistic Locking in ActiveRecord which uses database row-level locking.
Building a gem can be complicated. Often times you're writing abstract, meta code so it can be used flexibly in situations you'll never imagine. We'll talk about the architecture and design of the noticed gem and how it all works.
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