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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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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.
Learn the basics of SQL using the PostgreSQL database
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.
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.
Deploying your Ruby on Rails applications to Render is only a few file modifications away. Learn how to deploy your Ruby on Rails applications using Render in this episode.
Planning our future work on simple_calendar and what we're going to accomplish
This series walks through the entire process of building a Ruby on Rails app from start to finish. We'll be building AnimatedGif.me for saving and sharing animated gifs as easily as possible.
Appraisal lets us test our code against different versions of dependencies. This is fantastic if you're building Rubygems that must work with multiple versions of Rails or other dependencies
Thor is a tool in Ruby that powers command line tools like the Rails generators. In this video, we're fixing an unexpected situation that we found while using Thor.
Ever wanted to run your Rails app against multiple versions of Rails? You can with "dual booting" which helps you keep your stable Rails version but also test against the latest.
Want to login your user across all subdomains in your Rails app? Here's how.
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.
Deleting our old code to make room for a refactoring
Refactoring events in simple_calendar and uploading version 2.0
Build a reactive multi-user spreadsheet web app with ActionCable and RethinkDB
In this video, we will look at how to use blocks and bindings in Ruby to pass local variables across different scopes.
Learn about the ActionController Parameters with_defaults method to clean up your params in your Rails applications
Taking the ERB code we wrote for simple_calendar and finding the right balance of Ruby and ERB for our gem
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Screencast tutorials to help you learn Ruby on Rails, Javascript, Hotwire, Turbo, Stimulus.js, PostgreSQL, MySQL, Ubuntu, and more. Icons by Icons8
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