Using code coverage to find bugs

Yesterday, I found two bugs whilst looking at a code coverage report. I tend to think that shooting for 100% code coverage adds unnecessary overheard – often the last few percent doesn’t give you much benefit, and takes a disproportionate amount of time to reach, but it’s useful to at least understand why particular lines … [Read more…]

Turtles all the way down

One of the programming lessons I find myself re-learning again and again is this: It’s turtles all the way down. When I first started my current job, just after graduation, I was working in a frontend development rĂ´le. The app I was working on involved storing customer data in a proprietary database system, and from … [Read more…]