December 2013
Beginner
576 pages
16h 4m
English
Content preview from Programming in Objective-C, Sixth EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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The Right-Shift Operator
As implied from its name, the right-shift operator >> shifts the bits of a value to the right. Bits shifted out of the low-order bit of the value are lost. Right-shifting an unsigned value always results in 0s being shifted in on the left—that is, through the high-order bits. What is shifted in on the left for signed values depends on the sign of the value that is being shifted and also on how this operation is implemented. If the sign bit is 0 (meaning the value is positive), 0s will be shifted in no matter what machine is used. However, if the sign bit is 1, on some machines 1s will be shifted in, and on others 0s will be shifted in. This former type of operation is known as an arithmetic right shift, while the latter ...
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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.