Ruby on Rails Screencast Tutorials - Page 7

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.

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.

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

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.

19m

Flattening Scopes in Ruby

Apr 05, 2022

In this video, we will look at how to use blocks and bindings in Ruby to pass local variables across different scopes.

How to use CSS Variables with Ruby on Rails

Mar 28, 2022

CSS Variables or CSS custom properties allow you to define variables that can be used throughout your CSS to change properties and their values dynamically. It's a wonderful feature for allowing users to customize the look of your website.

How to add Feature Flags in Rails with the Flipper gem

Feb 25, 2022

Testing out new features or changes in production is something almost every application needs. Flipper is a fantastic tool with a GUI for rolling out these changes easily in your Ruby on Rails app.

How to manage and run Maintenance Tasks for Rails in Production

Feb 17, 2022

Deploying to production often requires running tasks to backfill new columns and other data. The maintenance_tasks gem from Shopify does a great job of allowing you to define tasks with arguments and run them in production.

20m

How to add Search in Rails using Meilisearch

Feb 14, 2022

Meilisearch is an open source search engine written in Rust that integrates nicely with Rails to provide advanced search capabilities similar to ElasticSearch.

20m

Inline Editing with Turbo Frames in Rails

Feb 01, 2022

Hotwire allows us to add inline editing easily in Rails forms using Turbo Frames. Learn how to implement them in a reusable manner so you can inline edit any fields across any model.

12m

Migrating from Rails UJS to Hotwire: Data Method, Confirm, and Disable With

Dec 29, 2021

Turbo now provides equivalents to Rails UJS data confirm, disable with, and method attributes that we can use.

13m

How to use Kredis with Rails

Dec 13, 2021

Learn how to use Kredis and see it works by implementing a recent searches unique list

20m

Refactoring Javascript with Stimulus Values API & Defaults

Nov 29, 2021

Refactoring a Javascript countdown timer into a reusable Stimulus controller gives a look at the flexibility we can achieve by taking advantage of the Stimulus Values API and customizing the default values.

1h 10m

Rails PR Code Review with Kasper Timm Hansen from the Rails core team

Nov 01, 2021

A code review with Kasper from the Rails core team to show us the process of reviewing, designing, and refactoring Rails code.

12m

How to use jQuery & jQueryUI with Esbuild

Oct 25, 2021

Using jQuery and plugins like jQueryUI in modern Javascript can be a little tricky. We'll see how to use it, how to deal with javascript import hoisting and how to add plugins like jQueryUI

How to use Bootstrap with CSS bundling in Rails

Oct 11, 2021

Installing Bootstrap is easier than ever thanks to CSS Bundling in Rails now. It also wires up the Javascript so you don't have to do much of anything.

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How to use the MQTT Protocol with Ruby

Aug 22, 2022