The simplest way to make a page collaborative with Hotwire and Rails is to subscribe to changes and broadcast a refresh when relevant models update. But that approach sometimes causes a problem. ...

To get from Zagreb, where I live, to Vienna, where RubyConf Austria was happening: drive 173km to Graz, take a right and go for another 198km. Sure, I’ve glossed over two country borders and some o...

pseudo, adjective: being apparently rather than actually as stated CSS pseudo-classes are like regular classes in that they can be used to select DOM elements. They’re unlike regular classes...

The student asked: “Master, what should I pay more attention to, my tests or my code?”. The master said: “I cannot answer you when you ask the wrong question.” The student thought “oh fuck, here ...

Tests grow to thousands All make their claim on fixtures Frozen by demands An ancient Japanese Haiku about a common problem with software test fixtures Act 1: The problem, frozen fixtures ...

Turbo Frames are great for carving out a part of the UI and having it update via normal server interaction. If all that needs to be updated is this specific part of the UI and nothing else then sta...

Last time I was in Amsterdam I was 17 and it was a different kind of trip. This time I was speaking at RailsWorld 2025. My first time giving a talk at an event of this magnitude. I’ve given many m...

Understanding exactly how Hotwire Native integrates with the web app can be very helpful both in debugging issues and deciding if Hotwire Native is the right choice in the first place. In particula...

“It’s not that hard to build a fully functioning, code-editing agent.” Thorsten Ball An article floated into my reading list: How to Build an Agent, or: The Emperor Has No Clothes. The auth...

This post is part of a mini series on Rails 8 asset pipeline. Each builds on the previous one: Break down of how Propshaft and importmap-rails work together Deep dive into Propshaft ...