Does GCD assure that all the blocks working in the same queue are always working in a same thread? If I create a dispatchqueue and dispath_async blocks to this queue, does all the blocks that dispatc
I\'m trying to send a Block as an argument to a method called by an NSInvocation (which, for context, is fired by an NSInvocationOperation). The invocation should be retaining the arguments, and it se
I am trying to dismiss a view controller from bottom to top instead of the standard right to left transition. Is this at all开发者_如何学Python possible? Here is the code I have so far:
I\'m totally stumped with this one and hope someone could help me out here: Class A: - (void)setBlock:(BOOL(^)(id sender))block {
Anybody else having trouble with the 4.3 iPhone Simulator in XCode 4.2(lion) or 4.0.2? I have code that has long been working, tested, and in production that uses blocks to specify completion action
I\'m trying to do a cross dissolve on three UILabels (display1, display2, display3), by using a block animation to fade out, change text and t开发者_Python百科hen fade them in one at a time. The code
For most iteration开发者_开发百科 blocks, signatures are defined sort of: void(^)(id obj, BOOL* stop)
How to assign and subsequently call a function that returns a function to a local variable in Objective-C?
So I am learning about blocks now and as I was watching a WWDC video I saw one of the demos using \"update blocks\" to update a batch of rows in UITableView.
To understand the lexical scope of block, I have write the following code typedef int (^ MyBlock)(void);
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