You could google it. You could ask AI. Or you could read this.
We craft digital applications for companies that care about getting it right. Here's how we think about design, code, and AI.
The correct analogy for Open Source
Open source isn't a car — it's busking. On funding, sustainability, and why Varvet keeps releasing things in the hope someone finds them useful.
How Cypress will make you love frontend testing
Cypress is a batteries-included testing framework for web interfaces. Easy setup, familiar syntax, and a visual debugging tool that makes testing a natural part of development.
Simple authorization in Ruby on Rails apps
The original 2012 post where the Pundit pattern was first described — plain Ruby policy classes instead of a bloated authorization DSL.
Working with time zones in Ruby on Rails
A guide to time zone pitfalls in Rails: parsing, querying, multiple user zones, and a cheat sheet of DOs and DON'Ts.
Capybara and testing APIs
Capybara simulates user behaviour — it was never designed for testing APIs. Use RackTest for API testing and Capybara for user interactions.

