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1 How does a completion handler work on iOS?
2013年08月17 - does this handler part work? I understand if it exists then it will send back to the main queue and return the usersArray. But how does it know to wait
2 How does one deal with a cancelled NSURLSessionTask in the completion handler block?
2014年10月16 - If I create a NSURLSessionDownloadTask, and later cancel it before it finishes, the completion block still fires seemingly. 如果我创建一个
3 How does Audiobus for iOS work?
2012年12月12 - for iOS and was under the impression that apps were sandboxed from each other so I'm really intrigued to hear how they pulled this off. Audiobus使用什么SDK来提供
4 UIAlertView doesn't work in completion handler block
2013年02月24 - ]; [self.accountStore requestAccessToAccountsWithType:accountTypeTwitter options:nil completion:^(BOOL granted, NSError *error) { if(granted) { //Doesn't
5 How does Xamarin iOS and Android work?
2013年06月19 - I try to understand how Xamarin.iOS (MonoTouch) and Xamarin.Android (Mono for Android) work. I wrote a little App and looked into the .app and .apk
6 Difference Between Completion Handler and Blocks : [iOS]
2016年09月21 - I am messed with both completion handler and blocks while i am using them in swift and objective-c. And when i am searching blocks in swift on google
7 How do you write a completion handler in Swift 3?
2016年09月22 - I was wondering how to make a completion handler for a function I'm creating in Swift 3. This is how I did my function right before I updated
8 How does class composition work in iOS?
2012年03月14 - Let's say I have property A on classA and property B on classB and I want classAB to have both properties A and B. I still don't understand how
9 Why does Eclipse code completion not work on some projects?
2008年10月07 - SVN project and it has no code completion or PHP templates (CTRL-space does nothing in that project). However, I can open the other projects and code
10 How does iOS Swift Runtime work
2016年05月19 - 与ObjC类似吗? How does Swift runtime find the implementation code for some object/class method? Swift运行时如何查找某些对象/类方法的实现代码? In ObjC, classes and objects

 
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