Python -O won’t magically make every script faster, but in the right workloads it’s a free win—here’s how to test it safely.

Oh, sure, I can “code.” That is, I can flail my way through a block of (relatively simple) pseudocode and follow the flow. I ...

With more than a decade of experience, Nelson covers Apple and Google and writes about iPhone and Android features, privacy and security settings, and more. From ordering an Uber to managing your ...