Abstract super class that provides a thread-isolated attributes singleton, which resets automatically before and after each request. This allows you to keep all the per-request attributes easily available to the whole system.

In this episode, we look at different authorization approaches from the most simple to more complex scenarios.

In this episode, we have a look at some causes of race conditions and go about some ways to troubleshoot and mitigate them.

Active Record supports application-level encryption. The encryption layer sits between the database and the application. The application will access unencrypted data, but the database will store it encrypted. In this episode, we look at implementing encryption for a model's attribute and Action Text.

The Null Object Pattern is an old but good pattern that can help reduce complexity in our applications. In this episode, we'll look at a few different examples.