Working on a defect in Leaf I had a question: should function arguments be reassignable within a function? Are they just like local variables, or should they be treated specially? It would […]
Should function arguments be reassignable or mutable?
Interview Question: A two-player card game
I’ve been asking interviewees, over at interviewing.io, to write a simulation of a two-player card game. It’s an engaging question, revealing a lot about their abilities. It doesn’t involve any trickery nor […]
Are global variables bad?
We hear it often, “global variables are bad, avoid using them!” But is this actually good advice? Simplified blanket statements are already a bit suspicious, but if we get into the details […]
What is a closure?
You’ve heard the term, you’ve probably even used them, but what exactly is a closure? It’s a combination of data and code that have become a staple of modern programming. They offer […]
Hidden complexity in cute animal pictures
You head over to your favourite link site and click one of the pictures — or let’s be honest, you ctrl+click all the pictures. Your browser is filled with tabs of cute […]
Adding += and friends to Leaf
Yesterday I finished a rather simple Kata from Codewars: the sum of a sequence of numbers. It was straight forward to implement, but I felt like it was missing something. It looked […]
Why I’m not a fan of pair programming
Pair programming feels like a lingering ghost. Its adherents proclaim it to be the best approach to coding while the rest of us just continue to ignore it. I’ve only tried it […]
Become a patron