A Humbly Arrogant Blog

Posts about software development

Symfony Password encoding

A very simple breakdown of how the password encoding works with Symfony 2. Encoder factory The encoder factory is where you get your password encoders from. You pass in a User entity and it returns an Encoder. Encoders are created from the encoder configs and stored within the factory, there is only a single instance of the encoder unless you clone it outside of the factory. The encoder configs are passed to the factory upon creation. ... Read more

Hack: Types

Facebook’s Hack bring lots of features that a lot of other programming languages get to take advantage of. One of major advantages of Hack over PHP is a typing system. So here’s a quick run over of the typing system as I understand it. Annotate Annotating is when you define which type is going to be used. You can type the following: function arguments function return class variable constants For function arguments you just put the type before the variable name for the argument. ... Read more

Don't return null

If you’re programming in an object orientated language that supports exceptions you should never return null in a method that returns an object. Most object orientated languages support exceptions. Exceptions give us an extremely expressive way to represent error conditions. We throw an exception and the program bails out of where it is and then goes to the error handling section. We can create custom exceptions to express exactly what sort of error occured. ... Read more

My Opinion on testing code with 3rd party API calls

I’ve recently had a discussion about how I would go about testing code that makes calls to a remote third party API. It seems my way of thinking isn’t the same as most others. So I figured I would write out my thoughts and explanation behind why I would go for this route. Others peoples approach So first I want to explain other peoples thought patterns seem to be. It goes like: ... Read more

How I use Dependency Injection

I’ve been thinking about dependency injection a lot recently and the best way to do it in a clean manner. I recently changed how I was injecting some dependencies, at code review I was asked why. So I figured I would write a blog post fully stating my current views on how to implement Dependency Injection. There are three main ways of injecting a single dependency, as well as what I would consider two ways of injecting multiple dependencies these are also known as patterns. ... Read more