April 2012
Intermediate to advanced
288 pages
4h 39m
English
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3. Numbers
When I first learned C, the compiler supported 16-bit ints and 32-bit longs. A few years later, it became more common for int to be 32 bits. A lot of code was written with assumptions about the sizes of C types, and this caused people a lot of problems when 64-bit systems became common.
The C99 standard introduced the stdint.h header, which defined types like uint32_t, an unsigned integer that was 32 bits on any platform. This helped a bit, but on some platforms a cast between a uint32_t and an unsigned int was safe and wouldn’t generate a warning, since they were the same underlying type, while on others it was not.
Go learned from this mess and provides explicitly sized integer and floating-point types from the start. A uint64 is ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.