bit twiddling: n. [very common] 1. (pejorative) An exercise in
tuning (see tune) in which incredible amounts of time and effort
go to produce little noticeable improvement, often with the result
that the code becomes incomprehensible. 2. Aimless small
modification to a program, esp. for some pointless goal. 3. Approx.
syn. for bit bashing; esp. used for the act of frobbing the device
control register of a peripheral in an attempt to get it back to a
known state.
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