Programming at a very low level (manipulating the bits and bytes). Also may refer to spending excessive time on unimportant refinements. See hacker.
"bit twiddling." YourDictionary, n.d. Web. 17 August 2018. <http://www.yourdictionary.com/bit-twiddling>.
bit twiddling. (n.d.). Retrieved August 17th, 2018, from http://www.yourdictionary.com/bit-twiddling