Is calling a method on super supported in the implementation of an Objective-C block? When I was calling a method on super an EXC_BAD_ACCESS error would be thrown but as soon as I changed those calls
Hi I need to pass a BOOL to the ALAssetsLibrary - (void)enumerateGroupsWithTypes:(ALAssetsGroupType)types usingBlock:(ALAssetsLibraryGroupsEnumerationResultsBlock)enumerationBlock failureBlock:(ALA
I am try开发者_如何转开发ing to use blocks in Objective-C.I\'ve worked through this tutorial, but I would like to know more about blocks.
I\'m afraid this question is pretty basic, but I think it\'s relevant to a lot of Objective-C programmers who are getting into blocks.
I want to know if blocks in c / coc开发者_Python百科oa run on a seperate thread to the main thread. Would they be useful for executing computationally expensive code while leaving the UI responsive?Bl
I was hoping someone could help me understand the syntax of blocks when used as members of a c开发者_开发百科lass. I have some code that\'s actually working just fine:
I\'m using Grand Central Dispatch (GCD) in my application to do some heavy lifting. The application is using Core-Data for data storage purposes. Here\'s my scenario (along with relevant question):
I need to test for the availability of blocks at runtime, so I can handle backwards compatibility with iOS 3. Any tips?
There is a conceptual overview of Blocks objects in objective-c within this Apple reference: http://developer.apple.com/library/ios/documentation/Cocoa/Conceptual/Blocks/Blocks.pdf
I\'m using the push handler of Core Motion for accelerometer updates: CMAccelerometerHandler a开发者_StackOverflowccelerometerHandler = ^ (CMAccelerometerData *accelerometerData, NSError *error) {
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