March 2015
Beginner
268 pages
4h 49m
English
Content preview from Learn Swift on the Mac: For OS X and iOS
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Chapter 14
Memory Management and ARC
Memory management is part of a more general problem in programming called resource management. Every computer system has finite resources for a program to use. These include memory, open files, and network connections. If you use a resource, such as by opening a file, you need to clean up after yourself (in this case, by closing the file). If you keep on opening files but never close them, you’ll eventually run out of file capacity. Think about your public library. If everyone borrowed books but never returned them, eventually the library would close because it would have no more books.
Of course, when your program ends, the operating system reclaims the resources it used. But as long as your program is ...
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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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