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.

Lincoln Financial Field (Philadelphia) — The San Francisco 49ers must feel like they’re held together with Band-Aids and duct tape, but clearly it’s working for them. This battered-and-bruised team is ...

After an NFL regular season that was nothing short of stunning right down to the final snap, now the real fun begins. Starting Saturday, 14 teams will battle it out for the right to play in Super Bowl ...