"Brush bits" is an expression that means, among other things, "worrying about low-level details" such as excessive and / or unnecessary optimizations.
The "bit brushing" does not seem to exist or be much used.
Where did this expression come from, and how to translate it concise in English?
Bit twiddling or bit bashing . Also bit diddling .
Here it is mentioned that the original definition of hacker meant "bit brusher" or someone who loved to program.
The origin of the English term bit twiddling comes from the old computing hardware in which the programmer kept spinning controls to manipulate the data.Then - put - you are a hacker of the move. Not in the sense of the origin of the word "bit brush", someone who loves to program. But he is a hacker , a member of the movement.
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