August 2010
Intermediate to advanced
526 pages
23h 39m
English
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Name
abs() — Compute the numerical absolute value
Common Usage
abs( expression )Description
The abs() function returns the absolute value of an
expression. If the expression is an integer, an integer absolute
value is returned. If expression is a float, the floating-point
absolute value is returned. If number is NULL, a NULL is
returned. All other datatypes are first converted to
floating-point values, then the absolute value of the converted
floating-point number is returned.
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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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.