Abstract classes don't always stand alone, but spring to life as a part of an object cluster. Here's how to ensure you're always instantiating the right ones.
I truly adore this design pattern. Once you know it, you start to see its usefulness across a wide variety of scenarios, codebases, and even programming languages.
There are various schools of thought around how best to define dependencies in your object graph. Let’s learn about the one I prefer to use the majority of the time. It takes advantage of three techniques Ruby provides for us: variable-like method calls, lazy instantiation, and memoization.
Article after article has been published in recent years about the benefits of adding service objects to Rails applications. I’m here to tell you they’re wrong. There is a better way.
