Derek Comartin

There’s been a noticeable pushback against microservices lately, and we’re seeing a strong swing back toward monoliths. But I have to ask, if you can’t build a solid microservices system, what makes you think you can build a good monolith? YouTube Check out my YouTube channel, where I post all kinds of content accompanying my posts, including this video showing everything in this post. Understanding the Basics: Network Calls Nearly a decade ago, Simon Brown echoed a similar sentiment, just in reverse of today, and I believe the reasons remain unchanged. Let’s dive into the fundamentals first. Imagine we have two components,… Read More »Microservices to Monolith

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