Lazy Load Content in Rails from Scratch
Are certain pages on your Rails app loading slowly? You might want to consider loading those requests in the background. It's easier than…
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category: Ruby on Rails
Automatically Unsubscribe from Emails in Rails (and Control Email Preferences)
In this tutorial, I'll show you how to add a link to any Rails Mailer that will allow a user to automatically unsubscribe from that email…
Read MoreBuild an API in Rails with Authentication
Build an API in Rails with Authentication In this tutorial, we'll build a full-featured API in Rails with authentication. Below is what we…
Read MoreSearch Across Multiple Models in Rails
In this tutorial you'll learn how to search across multiple models in Rails. Below is a demo of what we'll be building. Note how both Post…
Read MoreUse Pundit as a Rails Feature Flag System
In this tutorial, I'll show you how to create a feature flag system in Rails using pundit and a column on the table. Step 1: Initial Setup…
Read MoreReal-time Form Validation in Ruby on Rails
Learn how to validate a form in real-time while conditionally preventing it from being submitted. demo Step 1: Initial Set Up Step 2: Add…
Read MoreCreate an infinite scrolling blog roll in Rails with Hotwire
In this tutorial, I'll show you how to add an infinitely scrolling blog roll using Rails and Hotwire. Note that this is different than Chris…
Read MoreGenerate Link Previews in Rails with Microlink
In this tutorial I'll show you how to leverage the Microlink API to generate link previews in Ruby on Rails. Demo Step 1: Application Set…
Read MoreAuto Save Form Data in Rails
In this tutorial I'm going to show you how to automatically save form data in Rails. Instead of saving a draft to the database, we'll simply…
Read MoreEasily find elements with XPath in Capybara by using Chrome's Dev Tools
Imagine you have multiple identical elements on a page and that you need to select a specific element during a system test. If your test…
Read MoreInstall Bootstrap 4 on a Rails 6 App with Webpacker
I know many existing tutorials explain how to install Bootstrap 4 on a Rails 6 application with Webpacker (like the GoRails example…
Read MoreConfigure Travis CI for Ruby on Rails
In this tutorial I am going to show you how to configure Travis CI to run your Rails' test suite and system tests everytime you push a new…
Read MorePaperTrail Gem Tutorial
Introduction In this tutorial I am going to show you how to revert and restore records using the PaperTrail Gem. Reverting Old Versions…
Read MoreObfuscate Numerical IDs in Rails
By default, Rails displays the record's in the URL (e.g. ). Although there is nothing inherently wrong with this approach, sometimes it's…
Read MoreRuby on Rails with React Tutorial
Introduction Many Rails+React tutorials demonstrate how to create an API only application using Rails, and then create a separate front-end…
Read MoreCreate a Nested Form in Rails from Scratch
The Rails Guides give a great example of how to create nested forms. However, Rails does not support adding fields on the fly out of the box…
Read MoreRails Ajax Examples (Without jQuery)
Introduction Rails ships with turbolinks which: automatically fetches the page, swaps in its , and merges its , all without incurring the…
Read MoreWhy I Think Rails is Still Relevant in 2019
There is currently a high demand for Javascript developers, which in turn dictates the content and curriculum of many tutorials, articles…
Read MoreCreate Dependent Associations in FactoryBot
Imagine the following set of models and relationships: A can add a to a . The has a , and that has a which depends upon the . So I…
Read MoreUse a Custom Column Name With a belongs_to Association in Rails
Imagine an application with the following relationships: A model which through a join table. A model which through a join table. A…
Read MoreConfigure RSpec and Capybara with Ruby on Rails
In this tutorial I'm going to show you how to configure your Rails app to use RSpec and Capaybara. In addition, we will also install and…
Read MoreConvert a belongs_to Association to a has_many :through Association in Ruby on Rails
I was tasked with converting a association to a association. The challenge was that the app was live, and there were existing…
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