whack

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whack

According to arch-hacker James Gosling, to "...modify a program with no idea whatsoever how it works." (See whacker.) It is actually possible to do this in nontrivial circumstances if the change is small and well-defined and you are very good at glarking things from context. As a trivial example, it is relatively easy to change all "stderr" writes to "stdout" writes in a piece of C filter code which remains otherwise mysterious.
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)
References in periodicals archive ?
Left: Karen Grainger gets a whack off Punch and Judy; and, right, Chris and Joan Hocking help create the right atmosphere Pictures: JAMES MALONEY
Just get a section of 3/4-inch wooden dowel, whack off 16 1/2 inches of it and bevel the ends.
The increasing popularity of heads designed to whack off a turkey's head makes sense if you want to decapitate your turkey.