I\'d like to store objective-c block in a property for later use. I wasn\'t sure how to do it so I googled a bit and there is very little info about the subject. But I\'ve managed to find the solution
[myArray enumerateObje开发者_开发知识库ctsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) { [[myTreeNode mutableChildNodes] addObject:[NSTreeNode treeNodeWithRepresentedObject:obj]];
This question already has answers here: How do you trigger a block after a delay, like -performSelector:withObject:afterDelay:?
If you have an NSMutableArray with three NSD开发者_运维问答ictionarys like this: { name:steve, age:40;
How do I write the following: typedef void (^T)(void);开发者_开发技巧 T f() { return ^{}; } without the typedef?void (^f())(void) {
Is it possible to have blocks as proper开发者_Python百科ties using the standard property syntax?
I\'m sure there is a way to do this using blocks, but I cant figure it out. I want to to turn an NSDictionary into url-style string of parameters.
I looked around, but couldn\'t find this on the internet, nor anywhere in the Apple docs, so I\'m guessing it doesn\'t exist.
I\'m trying to understand the concept of blocks. What I\'ve read so far开发者_JS百科 seems to be conceptually similar to anonymous functions in JavaScript. Is this correct?Yes, for the largest part. B
When using an Objective-C object that returns asynchronously with a completion handler开发者_运维知识库, like AVAssetExportSession, is there anything wronmg with code like this:
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