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You might have heard the recommendation to steer clear of static variables or methods. But is that really good advice? Let’s dive into why people say that, with a little nuance, and clarify the topic with some examples. YouTube Check out my YouTube channel, where I post all kinds of content accompanying my posts, including this video showing everything in this post. Deterministic Behavior First off, let’s talk about determinism. I have a method called is18YearsOrOlder, which takes a DateTime argument representing your birth date. The method checks if you’re 18 years or older by adding 18 years to your birth date… Read More »Static Variables & Methods are Evil?

Extract Method refactoring is a great way to give names to concepts so code is easier to read and flows. But it can go wrong when you use it, creating a lot of indirection and unexpected behavior from the methods you extract. YouTube Check out my YouTube channel, where I post all kinds of content accompanying my posts, including this video showing everything in this post. I want to dive into a topic that’s been on my mind: refactoring, specifically the “Extract Method” technique. TLDR: I’d rather read a longer method—maybe around 50 lines—than get tangled up in a web of indirection… Read More »I’d rather read 50 lines than Extract Method Refactoring