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2014/10/15 ¤U¤È 10:04:42
iphone Programming Glossary: bridgedhttp://stackoverflow.com/questions/1539017/nsarray-with-c-types callbacks for storing other kinds of data. Caveat Normally you can pass a CFArray to any NSArray taking API they're bridged. This does not apply to CFArrays with custom callbacks. 2 CGLayerRef is not any old C type it's a CFType. CFType is bridged.. This does not apply to CFArrays with custom callbacks. 2 CGLayerRef is not any old C type it's a CFType. CFType is bridged to NSObject. Sending retain and release to any CFType works just as it would on an NSObject. If you were to put a category..
Get image of a person from iPhone address book http://stackoverflow.com/questions/2085959/get-image-of-a-person-from-iphone-address-book
http://stackoverflow.com/questions/4875672/cgpdfdocumentref-from-nsdata CGDataProviderRef CGDataProviderCreateWithCFData CFDataRef data and consider that NSData and CFDataRef are toll free bridged so you can use them interchangeably. So summarizing try this NSData data ... my data from SQLite ... CFDataRef myPDFData..
performSelector may cause a leak because its selector is unknown http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown the parameter you'll probably eventually send a message to a zombie and crash. There are ways to work around this with bridged casting but really it'd be better to simply use the IMP and function pointer methodology above. Since consumed parameters..
http://stackoverflow.com/questions/806115/toll-free-bridges
Is there anything like 'getStreamsToHost' on real iPhone device? http://stackoverflow.com/questions/806116/is-there-anything-like-getstreamstohost-on-real-iphone-device can be used on real device iphone objective c stream share improve this question Since CFWriteStream is toll free bridged to NSOutputStream you can use CFStreamCreatePairWithSocketToHost to get your stream pair CFReadStreamRef readStream NULL..
How do I verify reference count in ARC mode? http://stackoverflow.com/questions/8863269/how-do-i-verify-reference-count-in-arc-mode
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