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.

To get audio from your TV to your soundbar or receiver you either need an HDMI cable or an optical cable. Both can work, but for certain types of audio you'll need an HDMI cable. Fortunately, both ...

Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. Suzanne is a content marketer, writer, and fact-checker. She holds a Bachelor ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Thomas J. Brock is a CFA and CPA with more ...