Ruby on Rails Screencast Tutorials - Page 15

Fly.io supports deploying Ruby on Rails using Docker containers to multiple regions. For the same benefits you get using a CDN, you can use Fly.io to deploy Rails and Postgres close to your users around the world.

10m

How to use the MQTT Protocol with Ruby

Aug 22, 2022

MQTT is a message protocol for Internet of Things devices. It's very similar to pubsub where you can broadcast and subscribe to different topics. Learn how to send messages to an MQTT broker in this tutorial.

16m

SQL Introduction with PostgreSQL

Aug 15, 2022

Learn the basics of SQL using the PostgreSQL database

17m

Air Quality Monitoring with Ruby, a Raspberry PI & PMS5003 Sensor

Aug 08, 2022

Learn how to use a PMS5003 air quality sensor with Ruby on the Raspberry Pi. We'll use this to monitor air quality and gather data.

18m

How to use hCaptcha with Ruby on Rails, Turbo, and Stimulus.js

Aug 01, 2022 Pro

hCaptcha is a method to try detecting bots on your website. This episode, we'll walk through how to implement hCaptcha in a way that's compatible with Turbo using Stimulus.js and

12m

How to Modify & Customize ActionText HTML Output in Rails

Jul 25, 2022 Pro

Ever needed to modify the HTML that ActionText renders? We can override the ActionText::Content class to modify the way HTML formatting works to customize the output. For example, we can add rel="noopener nofollow" to any anchor tags in the content.

11m

How To Update ActionText Attachments

Jul 11, 2022 Pro

Rails 7 changed the way ActionText attachments work, so we'll be writing a Rake task to walk through each of the embeds and update them with the correct Signed GlobalID.

Rails ActionController Parameters with_defaults

Jul 05, 2022

Learn about the ActionController Parameters with_defaults method to clean up your params in your Rails applications

Custom Turbo Confirm Modals with Hotwire in Rails

Jun 13, 2022

Overriding the Confirm method in Turbolinks and Hotwire has been pretty tricky until now. Using promises, Turbo can now wait until the user has submitted the confirm modal.

15m

Polymorphic Selects in Rails using GlobalIDs

Jun 06, 2022 Pro

Using Signed GlobalIDs, we can create polymorphic select boxes in Rails to easily choose a record of any type. This is also secured by using signed global IDs to prevent tampering by malicious users.

15m

Eigenclasses

May 30, 2022 Pro

In this episode, we will be looking into Ruby's eigenclasses or singleton classes. We will first look at singleton methods and then how we can access the eigenclasses of objects.

10m

How to add a Command Palette to your Ruby on Rails app

May 23, 2022

A command palette is a common feature for power users. Learn how to add a command palette to your Ruby on Rails app using the Ninja Keys web component.

Building has_one from has_many Associations

May 16, 2022

In this video, we will take a look at how to use a few association declaration options to build a couple of has_one associations off of a has_many association in Rails.

23m

Domain & Subdomain Routing Constraints in Rails

May 09, 2022 Pro

Learn how to apply advanced routing constraints such as domain, subdomain, user authentication, and more. We'll explore how to use custom constraints for routing multi-tenant Rails applications based upon subdomain and domain too.

16m

Testing a Meilisearch Integration with Ruby on Rails

May 02, 2022 Pro

Testing your Meilisearch integration in Rails can be a little tricky. This episode, we'll talk through how to setup Meilisearch in your test suite to index fixtures and more.

23m

Concept Application: Assert Difference Deep Dive

Apr 25, 2022

In this video, we will explore how the concepts we looked at in "Flattening Scopes in Ruby" are used in Rails by taking a look at the assert_difference method. We will walk through how the method works while taking note of where the concepts are applied.

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How to Deploy Rails to Fly.io

Aug 26, 2022