Weak Vt. 1. To Change Slightly, Usually In Reference To A Value.

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tweak vt.

1. To change slightly, usually in reference to a
value. Also used synonymously with twiddle. If a program is
almost correct, rather than figure out the precise problem you
might just keep tweaking it until it works. See frobnicate
and fudge factor; also see shotgun debugging.
tune or bum a program; preferred usage in the U.K.

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