This has been popular over the years, but hasn't had attention on HN in a while:...

		dang on Dec 16, 2014 \| parent \| context \| favorite \| on: Bit Twiddling Hacks (2005) This has been popular over the years, but hasn't had attention on HN in a while: https://hn.algolia.com/?q=bit+twiddling+hacks#!/story/foreve... We put 2005 on it, though the Internet Archive says there were earlier versions.