Three numbers

The three numbers in the universe that matter most are zero, one, and many. Think about life – tweak the fundamental physical constants a little, and you can imagine a universe in which it never happened. Never could have happened. Or maybe it’s so astonishingly unlikely, such a bizarrely, unimaginably low probability – the equivalent […]

Dissecting an interview question: math is hard

For the past year or so, I’ve been asking an interview question which seems like it should be straightforward, but has turned out to be deceptively hard. The reason I like it is that it requires a candidate to convert a very common, well-defined, well-understood task from paper into code. There’s no trick, no gotcha, no […]