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AFJ
n. Written-only abbreviation for "April Fool's Joke". Elaborate April Fool's hoaxes are a hallowed tradition on USENET and Internet; see {kremvax} for an example....
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View Definition: hidden flag
hidden flag
[scientific computation] n. An extra option added to a routine without changing the calling sequence. For example, instead of adding an explicit input variable to instruct a routine to give extra diagnostic output, the programmer might just add a test for some otherwise meaningless feature of the existing inputs, such as a negative mass. Liberal use of hidden flags can make a program very hard to debug and understand.