William Johnson

My and Claude Opus's Guide to Fix Your Mac's Certificates Following the eMudhra Incident

My and Claude Opus's Guide to Fix Your Mac's Certificates Following the eMudhra Incident

Disclaimer: I am not a security specialist, but I am a computer nerd and an experienced software engineer. Use at your own risk, YMMV, etc., etc. If you have been following tech news this week you will have noticed that the private key of 8 eMudhra Intermediate CA certificates were

What Domain-Driven Design Looks Like in TypeScript

What Domain-Driven Design Looks Like in TypeScript

This post is primarily going to focus on implementing Domain-Driven Design (DDD) at a low-level in TypeScript in the UI, so if you're more interested in understanding what DDD is used for, read this post first. In this post, we will implement a full-blown hexagonal

Picture of a hand holding a slingshot.

How Domain-Driven Design (DDD) Can Hurt Your App

Startups don't use DDD Usually. As we continue our journey into Domain-Driven Design (DDD): imagine a slingshot. It is simple. It has very few parts. You can probably make it yourself in your garage if you try. This slingshot is like a startup. Launching a startup does

How Domain-Driven Design (DDD) Can Help Your App

How Domain-Driven Design (DDD) Can Help Your App

What's DDD? The ELI5 Version To begin our journey into Domain-Driven Design (DDD): imagine an RC car. If it's built well, it has parts that you can swap in and out as needed in order to maintain it. More importantly, it has parts that people

The Pros and Cons of Domain-Driven Design: Preview

The Pros and Cons of Domain-Driven Design: Preview

There are times in my career that I have been required to use Domain-Driven Design (DDD) in any UI that I build, and other times that I have been required not to use it. In the upcoming series, I'll dive into the details of how to use