I have a UIScrollView subclass that I am programmatically scrolling using UIView animations. I\'d like the user to be able to tap or zoom into the UIImageView content of the Scroll View while the ani
Can you please write for me a block which conforms to this definition: (BOOL(^)(id))block. The closest I have gotten is:
Let\'s say I\'ve got several UI开发者_开发问答Labels which have been set up in IB and connected to IBOulets in code (label1, label2, label3, label4)
I don\'t mean to start a code formatting holy war here, but I\'m wondering if anyone has any advice on how to best format nested blocks in Objective-C.
I installed the latest official iphone sdk and now my personal project is getting the same 开发者_StackOverflow中文版compiler error in UIView.h as described in this question:
I was just thinking, as you can treat Blocks like objec开发者_如何学Pythonts if I create two of them and then add them to an NSArray is there a way to execute them from the array?
I\'m trying to implament a callback mechanism where I pass in a block to the init of a class, and after some work that class calls me back.The block gets called and most everything works, except when
I have found a crash in an iPhone application with target iOS 4 that changes depending on the type of build.
I was going through Apple\'s documentation and I saw something like this (void (^)(void)). Can somebody explain what this statement means? ^ is XOR, right? void XOR void开发者_JAVA技巧 doesn\'t makes
One of the things that block objects, introduced in Snow Leopard, are good for is situations that would previously have been handled with callbacks.The syntax is much cleaner for passing cont开发者_运
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