Here at GoRails, we are running [ActiveAdmin](https://github.com/activeadmin/activeadmin) to power our administration area and we recently upgraded the version which we were running to version `3.0.0`. The ActiveAdmin engine has a dependency on [R...

OmniAuth provides some tooling for mocking OAuth requests in your test suite. This is handy because your tests don't have to redirect to a production OAuth provider like Twitter, authenticate with real credentials, and then handle the response. ...

Have you seen the following error? ```bash You have already activated uri 0.10.0, but your Gemfile requires uri 0.12.0. Since uri is a default gem, you can either remove your dependency on it or try updating to a newer version of bundler that ...

It’s Black Friday again, and this is our once-a-year sale! It’s our way of saying thanks for all your support. You've been a huge part of making GoRails a success and Collin & I can't thank you enough. 🥰 Here's what we've got going on this ...

If you're building a Rubygem that integrates with Rails and ActiveRecord, you'll probably want to test against multiple databases. This is pretty easy to setup for CI where you can run multiple databases in Docker containers with different steps, ...

I run sales once a year on Black Friday as a way of saying thank you. You've been a huge part of making GoRails a success and I can't thank you enough. 🥰 Here's what we've got going on this year: ------ [**36% off GoRails with the yearly ...

ActionText supports custom attachments using Signed Global IDs. We can use this to embed any database record in Rails such as @mentions for users. For HTML, Rails will use the `to_partial_path` to render the HTML template for the attachment. Fo...

If you want to keep your code simple and/or reuse a block of code in multiple files, then you can store that code in an html.erb file called a partial. Create partial 🧩 1. Go to app > views. 2. Create a folder called shared. 3. Create a fil...

You need to replace the default, “Yay! You’re on Rails” landing page with a real index page for your app. Create a route 🛤️ 1. Go to config > routes.rb file 2. In the Rails.application.routes.draw method, enter the route: `get root, to:...

⚠️ This is how to add a page without any interaction with the model. ## Create a route 🛤️ 1. Go to config > routes.rb file 2. In the Rails.application.routes.draw method, enter a route using the syntax: [request type] "[URL]", to: "[con...

## Process overview ⚠️ This is how HTTP requests work without any interaction with the model. [request] ➡️ routes.rb ➡️ [controller] + [action] ➡️ view ➡️ browser 1. A browser sends an HTTP [request] (e.g. /about) 2. The Rails server rec...

This is a special time of the year to give back to the Ruby on Rails community. You have so wonderful and supportive of GoRails. 🤗 I'm running a big sale across all the GoRails products this year. I only do this once a year so if you're thinkin...

Ever seen the typical copyright message at the bottom of a website that's out of date? Yep. A surprising amount of websites have them! `© 1992 Your Company` Someone just hard coded the year and called it a day. That's fine and dandy and i...

If you're deploying Rails to production with Webpacker, you might run into a Compilation failed error from Webpacker. Often this happens because Webpacker runs out of RAM and the operating system kills the command for using too many resources....

Have you ever wanted to create an assert that tests if a link is NOT on the page with Rails? It's not easy to find an example of this. You can find some with Rspec, but not with Rails's builtin test suite using Minitest. Typically you'll use `a...

Recently I was trying to test a couple of helpers I had written in Rails. Basic helpers are pretty easily tested using ActionView::TestCase, but what happens when you want to use Devise' `current_user` method in your helpers? We have to actually w...

[Stripe Elements](https://stripe.com/docs/elements) Javascript now has support for Strong Customer Authentication (SCA) with 3D Secure 2 (3DS2). This makes handling these in system tests a bit harder. Filling out the credit card fields in the past...

A lot of people ask what the best Ruby books are to buy. There are plenty of good ones, but don't limit yourself to just Ruby or Rails books. There are many about general programming and software engineering topics that teach very important concep...

I started screencasting for my business, GoRails.com, in 2014. I had no idea what I was doing, so it took me a while to find a setup I was comfortable with. My main goals were portability and simplicity. So let's dive into my original configura...

Compiling dynamic NGINX modules is something that's kind of hard to find online. Especially if you want to compile them for an existing compiled copy of NGINX. This guide is going to walk through compiling the [Upload module for NGINX](https://git...