More often than not, I see developers writing tests after the code is released to production. And that’s a big mistake.

Writing tests after release is a mistake

I’m a long-time fan of ProtonMail. That’s why I had a hard time deciding whether I want to leave them or not.

Why I migrated from ProtonMail to Fastmail (and how)

How do I decide whether to use console.error or throw.

Outliers: The Story of Success (by Malcolm Gladwell)

Simple rules that work well when giving feedback.

Build your private WiFi hotspot so that your internet provider can't spy on you.

List directories by size in your terminal without any additional software.

With this command, you can list the most changed files in your repository over time.

Remove merged branches with one simple git command.

With this little trick, you get list numbering automatically for free.

Step-by-step tutorial on how to merge one repository into another one while keeping all its history.

Make your deprecated CSS visible in your UI so that every developer can easily spot it.