Transactions are protective blocks where SQL statements are only permanent if they can all succeed as one atomic action. In this episode, we explore ActiveRecord Transactions and how to use them.

In this episode, we look at cleaning up our Active Storage variants and also look at several different use cases to manipulate the images with resizes, watermarks, format and quality.

Similar to Youtube embeds, we will look at creating embedded links to our application so that portions of the application can be embedded. However, there are a lot of security implications and should be done with caution.

With Hotwire, we can create form where each input field is saved once a user has changed its value. We look at some of the common issues that you could run into when using Hotwire and some ways to mitigate those problems.

Using Hotwire and the Mapbox API, we can track the location of a user and playback their recorded GPS coordinates.