December 2018
Intermediate to advanced
552 pages
12h 18m
English
Content preview from Hands-On System Programming with C++
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External fragmentation
External fragmentation refers to the process by which memory is allocated and deallocated in different sized chunks, ultimately leading to large amounts of unusable, unallocatable memory. To demonstrate this, suppose we have five allocations:
All five allocations succeed, and all of the memory is allocated. Now, let's suppose that the second and fourth allocations are released back to the heap:
By releasing memory back to the heap, memory is now available for allocation again. The problem is that this memory is spread ...
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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.