twiddle

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twiddle

(character)
The tilde character.

twiddle

(jargon)
(To make) a small or insignificant change. E.g. twiddling a program often fixes one bug and generates several new ones (see also shotgun debugging). Bits are often twiddled. Twiddling a switch or knob implies much less sense of purpose than toggling or tweaking it; see frobnicate. Bit twiddling connotes aimlessness, and at best doesn't specify what you're doing to the bit; to "toggle a bit" has a more specific meaning.
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tilde

(1) In mathematics, the tilde (~) stands for equivalence; for example, a ~ b means "a is equivalent to b" (not equal, but comparable). It also stands for approximation. Officially written as two tildes, one over the other, the single tilde has become acceptable; for example, ~100 means "approximately 100."

(2) In the Unix world, the popular Unix shells, except for the Bourne shell, support a home directory name substitution using the tilde (~). Also called a "squiggle" or "twiddle," the symbol is a prefix. For example, ~ jackson would refer to the "jackson" home directory. See shell and home directory.

(3) In Windows 95/98, the tilde (~) was used to maintain a short version of a long file or folder name for compatibility with Windows 3.1 and DOS. See Win Short file names.

(4) In Spanish, the tilde (~) turns the letter "n" into a "nyeh" sound such as in mañana; pronounced "mah-nyah-nah," which means "tomorrow" and "morning" (tomorrow morning is "mañana por la mañana"). In Portuguese, the tilde over the letters "a" and "o" adds a slight nasal sound to the syllable.
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References in periodicals archive ?
THE boss of British Airways has warned he could seek to expand the airline overseas if the Government "twiddles its thumbs" over a third runway at Heathrow.
In Table2, it can be seen the proposed FFT processor reduces hardware overhead and the execution process is accelerated, owing to the pipelined adaptive recoding CORDIC based radix-4 FFT structure without multipliers and Rom-free twiddle generator needless Rom to store twiddles.
Twiddles: The Magical Adventures of Clara the Cleaning Lady" is a wonderfully imaginative book about a very territorial cat named Mr.