What a CI/CD really is (Continuous Integration / Continuous Deployment)

Why automate integration and deployment, and how it works in practice.

How to manage several GitHub accounts on one machine

How to set up SSH to switch between a personal GitHub account and a work account on the same machine.

Watch out when you run database integration tests in Jest

Jest runs your tests in parallel by default. With a database involved, that gets messy fast.

I added an invoicing module to Finance

Clients, invoices, and payment methods, added to Finance, my open source budget app.

Tailwind CSS made me a thousand times more productive at building interfaces

Plain CSS, CSS-in-JS, I've tried them all. Tailwind is what made me most productive.

Prisma really won me over

I used TypeORM for years. Since I tried Prisma, I have no interest in going back.

Why I prefer React over Next.js for web applications

Next.js is handy to start with, but gets less comfortable as the application grows. Why I prefer to separate the backend from the frontend.

Fix the dyld Library not loaded error

How to fix the dyld Library not loaded error after a Homebrew install.

The challenge I enjoyed most in my career

Three months into the job, I had to take over from our lead and project director. Here's how it went.

The 3 levels of automated testing

Unit, integration, functional tests: the differences and how to prioritize them.