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.

JIT compiler stack up against PyPy? We ran side-by-side benchmarks to find out, and the answers may surprise you.

What's CODE SWITCH? It's the fearless conversations about race that you've been waiting for. Hosted by journalists of color, our podcast tackles the subject of race with empathy and humor. We explore ...