I know the two ways to get a operation queue as follow: queue1 = [[NSOperationQueue alloc] init]; queue2 = [[NSOperationQueue mainQueue] retain];
I have to download multiple files from Server in background process. for this i am using NSOperationQueue. During download i need to maintain when download has started & completed. For this i have
#00x345bbc98 in objc_msgSend () #10x35cd3616 in -[_PFManagedObjectReferenceQueue _processReferenceQueue:] ()
When my app is offline I would like to store some call to the server in order to replay them later when the app goes back online.
I create an NSOperation every time my app launches or resigns active. I need to queue them with dependencies such that two never execute at the same time, but one after another.
I’m an experienced C/C++ programmer coming up to speed on Objective C on the iPhone.I have done a lot of searching, but haven’t found a satisfactory answer on what must be a common question; I apolo
I\'m working on a TableView which controller downloads data from a web feed, parse开发者_如何学Python and populate its content in this TableView. The feed provides data in chunks of 10 items only. So,
I read alot about what is the problem for exception \"unrecog...\" But i need something else I have view with two buttons: Start and Delete, also i have two UILabels: oneLabel and secondLabel
This is by far the weirdest problem I\'ve been stuck with. I have a UIViewController on a UINavigationController and I want to call a method at viewDidAppear using NSInvocationOperation so it can run
I\'ve created a custom subclass of NSOperation and I\'ve overwritten the main method. @interface WGTask : NSOperation
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