Let's take a look at using the Webpacker gem in Rails to implement an additional pipeline for building modern frontend Javascript alongside our Rails application using VueJS.

Select a record or create a new one for an association in a form using the Selectize.js library

Implement the decorator pattern with the Draper gem in your Rails application

Learn how to use ActiveRecord Explain to analyze your SQL queries generated by ActiveRecord

Learn how to use counter caches in your Rails app

Add masquerading (the ability to impersonate or login as another user) to your development or admin environments using the devise_masquerade gem

Learn how to format your API easily using Active Model Serializers and the JSON:API spec

Learn how to build a dedicated admin area in your Rails app for editing records by admins using the ActiveAdmin gem

We build a basic API and talk about the differences between a regular Rails controller and an API

Improve your Turbolinks implementation by using the clearCache method to reload pages