April 2010
Beginner to intermediate
480 pages
10h 9m
English
Content preview from iPhone Programming: The Big Nerd Ranch Guide
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15. Low-Memory Warnings
The iPhone, while extremely powerful, still has its limitations. One of the most important and often overlooked limitations is the amount of memory an application can consume before the device simply gives up. iPhone OS constantly monitors an application’s memory usage and alerts the application when it is in danger of running out of memory.
When the operating system detects that it is low on memory, it sends your application a low-memory warning. A low-memory warning will occur when the device is consuming a large percentage of the available RAM. Overuse of graphical memory is typically the reason why an application receives a low-memory warning. Apple suggests that you don’t use more than 24 MB of graphics memory. For ...
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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.