When working on a legacy codebase, you often have to make changes in code you don’t fully understand. When this code is not tested, you’re never sure that it will still work after adapting it. And will it have unexpected effects on other parts of the codebase? As...
I didn’t like the code I wrote for a particular feature. It was “notify users when someone comments in a discussion” with these requirements: * Notify discussion author, if not the comment creator * Notify users assigned to the parent model that is associated with the discussion, except: * the discussion author...
The other day I was listening to the FullStackRadio episode 34 which is about dealing with dependencies in Active Record models. This is a very interesting topic and they suggest a few solutions for it. I liked the suggestions and I tried to implement it differently (first try and second...
Sometimes you see simple interfaces with a getter and a setter for a specific type of object. Some examples are league/event‘s EmitterAwareInterface and league/container‘s ImmutableContainerAwareInterface. Also Zend Framework 2 has a ton of *AwareInterfaces like (but not limited to) these: These packages often come with a...
Some time ago I started working on an existing project, so I read the documentation before diving in. At the top of the contributing.md file there was this sentence: “Abstract when possible”. Quickly I learned the project contained more abstract classes than a normal project. This leads to too...