how to build a complete, real-world application from scratch with Ruby on Rails step by step.
A lot of Ruby code is "magic". We'll explain the magic and see how it works using the powerful tools Ruby gives us.
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Learn how Bootsnap speeds up your Ruby and Rails app boot times by preloading the load paths and caching Ruby bytecode
Learn how to send emails to a local SMTP server called Mailcatcher for testing and designing emails
Geocode (or geolocate) addresses using the geocoder gem along with the Google Maps APIs and then use it to search your database by location
Learn how to analyze and understand the Ruby stacktrace when something goes wrong in your app
Tracking business metrics can be time consuming and costly but the Ahoy gem lets you easily track metrics and Blazer makes it incredibly easy to analyze your data
Add various types of charts to your Rails app with Chartkick and use Groupdate to make easy group queries in SQL
See how to add global autocomplete and search functionality to your app's navbar
Learn how to use VueJS as an alternative to Cocoon and other methods of building dynamic nested forms with Rails
Using Vue.js and Turbolinks together can be a little complex to wrap your head around at first. We not only dive into how this works but we take a look at the vue-turbolinks node module I made so that you can easily use the two together.
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
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