Learn how to create a marketplace solution where merchants can sign up and take payments from their customers on your Ruby on Rails application.

The hstore data type is very useful in many cases, such as semi-structured data or rows with many attributes.

It's easy to accidentally write slow code in our applications. In this episode, we look at how we can benchmark our code and examples of some methods which are slower than others.

Using feature flags based on Redis, we can enable and disable access to certain areas of our application. In this episode, learn how to set up this functionality.

Sometimes we get into situations where our applications requires a different type of user account which wouldn't really fit into a role. So, in this episode we look at creating multiple resources for authentication with Devise.