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.

Enable the Linux terminal on any Android device, and you can create or practice your bash scripting on the go.

High-power appliances like air fryers and space heaters should never be plugged into an extension cord, due to the risk of overheating. Corin Cesaric is a Flex Editor at CNET. She received her ...