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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Add JWT Authentication to your Rails API from scratch
Add masquerading (the ability to impersonate or login as another user) to your development or admin environments using the devise_masquerade gem
Geocode (or geolocate) addresses using the geocoder gem along with the Google Maps APIs and then use it to search your database by location
The first part of the Forum series, we talk about how the database and structure of the forum is designed
Subclasses should add to a base classes behavior, not replace it
Adding user avatars is pretty easy using Rails' ActiveStorage feature. We'll be using Devise in this example, but this applies to any user authentication system.
Learn how to use the state_machine gem to keep track of objects in your Rails apps
Learn how to improve the speed of your database queries by adding database indexes to your tables
Setup your Amazon S3 account to receive direct file uploads from users using Shrine in your Rails app
Build a basic VueJS frontend application that authenticates to the server using JWT, Rails API, and LocalStorage
Refactor and simplify your associations and views using Null Objects that let you remove conditionals and have more robust code
Learn how to use ActiveRecord Explain to analyze your SQL queries generated by ActiveRecord
Rails's webpacker gem makes it super easy to load both Bootstrap's CSS and JS into your Rails app using webpack
Separate responsibilities of Javacsript from your HTML tags by using the data-behavior attribute
Add a Warden strategy to Devise to support JWT authentication with your Rails app
Select a record or create a new one for an association in a form using the Selectize.js library
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
Sidekiq Pro or sidekiq-batch lets you run a set of background jobs in parallel and then a callback once they're finished. This is perfect for building more advanced workflows for your background jobs in Rails.
Learn how to link to the current page and add, remove, or modify params in the URL. This is handy for things like search or index pages with filters.
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