May 2012
Intermediate to advanced
679 pages
16h 56m
English
Content preview from Object Oriented Programming with C++, Second Edition
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3.9 SCOPE RULES
Scope rules specify the part of program (space) where a given variable is valid (for use in code). Local variable of a function is valid only from the place of declaration until the end of that function. Global variable is valid from the place of declaration until the end of the file. A reference to a variable outside its scope results in compilation error.
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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.