October 2004
Intermediate to advanced
336 pages
6h 27m
English
Content preview from Find the Bug A Book of Incorrect Programs
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Find Repeating Part of a Fraction
This function takes two parameters, the numerator and denominator of a fraction, and determines the repeating part of the fraction (if one exists).
The logic is simple: After removing any part of the result that is a whole number, it begins dividing the denominator into the numerator and tracking the remainder after each digit. If the remainder becomes 0, then the function is done. Otherwise, when a remainder repeats, it has found the repeating part.
Because Perl treats all numbers as floating-point numbers, the easiest way to truncate a number to its integer part is to sprintf() it into a string using the "%d" ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.