2014/10/15 下午 10:09:22

iphone Programming Glossary: freeing

iOS status bar: how to show some text there

http://stackoverflow.com/questions/11280081/ios-status-bar-how-to-show-some-text-there

iOS 6 - viewDidUnload migrate to didReceiveMemoryWarning?

http://stackoverflow.com/questions/12674268/ios-6-viewdidunload-migrate-to-didreceivememorywarning

references to nil in viewDidUnload largely because Interface Builder would put that there for us and do the general freeing of memory e.g. clearing of caches releasing of easily recreated model data etc. in didReceiveMemoryWarning . If that's the..

Generating alert to User when didReceiveMemoryWarning is called

http://stackoverflow.com/questions/1992784/generating-alert-to-user-when-didreceivememorywarning-is-called

How to implement didReceiveMemoryWarning?

http://stackoverflow.com/questions/2430728/how-to-implement-didreceivememorywarning

of the phone . In low memory condition of the phone my app just crashes and If I increases the phone memory by freeing up some space it again start working well without any crash . when I did some googling on the problem I found that in the..

NSNumber >= 13 won't retain. Everything else will

http://stackoverflow.com/questions/2533355/nsnumber-13-wont-retain-everything-else-will

Memory Troubles with UIImagePicker

http://stackoverflow.com/questions/2921560/memory-troubles-with-uiimagepicker

cached data images etc that aren't in use. As you can see I'm making a poor attempt to eyeball the memory space I'm freeing up. I know it's not telling me about the actual memory footprint of the UIImages themselves but it gives me SOME numbers..

iPhone - debugging “pointer being freed was not allocated” errors

http://stackoverflow.com/questions/295778/iphone-debugging-pointer-being-freed-was-not-allocated-errors

debugging &ldquo pointer being freed was not allocated&rdquo errors When over freeing a pointer you may see an error such as pointer being freed was not allocated When debugging with the simulator I add a build..

iPad/iPhone browser crashing when loading images in Javascript

http://stackoverflow.com/questions/2986039/ipad-iphone-browser-crashing-when-loading-images-in-javascript

in browser media player this limit seems unnecessary and there should be some kind of workaround available. Perhaps by freeing up memory or something else. I also came across this reference for UIWebView . JavaScript allocations are also limited to..

Understanding the memory consumption on iPhone

http://stackoverflow.com/questions/363493/understanding-the-memory-consumption-on-iphone

memory counter goes up for a while reading the texture into the memory then drops passing the texture data to OpenGL freeing . This is OK but does not always happen sometimes the memory usage stays high even after the texture has been passed on..

iPhone: AudioBufferList init and release

http://stackoverflow.com/questions/3767527/iphone-audiobufferlist-init-and-release

AudioBufferList init and release What are the correct ways of initializing allocating memory and releasing freeing an AudioBufferList with 3 AudioBuffers I'm aware that there might be more than one ways of doing this. I'd like to use those..

iOS Development: How can I induce low memory warnings on device?

http://stackoverflow.com/questions/4717138/ios-development-how-can-i-induce-low-memory-warnings-on-device

this question To test on a device just add some code that periodically allocates large chunks of memory without freeing it i.e. leak on purpose . You can do this in a separate thread or in response to a timer or using whatever mechanism that..

Explanation of MProtect Errno 12 (ENOMEM)

http://stackoverflow.com/questions/5389947/explanation-of-mprotect-errno-12-enomem

sections of an address space non executable so that buffer overflows format string vulnerabilities use after free or freeing unallocated memory errors or similar attacks cannot return into attacker supplied data. Also mprotect 2 is used to ensure..

@property/@synthesize question

http://stackoverflow.com/questions/5903281/property-synthesize-question

Article alloc init is also ok but could involve a leak as article may hold a reference to an instance already. So freeing the value beforehand would be needed article release article Article alloc init Freeing memory could be done with article..

Does iOS 5 have garbage collection?

http://stackoverflow.com/questions/6576674/does-ios-5-have-garbage-collection

talking about Automatic Reference Counting mentioned in other answers. ARC is a kind of GC in that it automates memory freeing but has a number of differences from a good garbage collector. Firstly it's mainly a compiler technology. The compiler knows..