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Why functional languages? [closed]
I see a lot of talk on here about functional languages and stuff. Why would you use one over a "traditional" language? What do they do better? What are they worse at? What's the ideal functional programming application?
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how do I use UIScrollView in Interface Builder?
...ure out how to set contentSize in Interface Builder, and found this discussion. At least for me, in Xcode 4.5, I can set it using “User Defined Runtime Attributes”, by adding an entry named contentSize of type Size, and setting the desired value.
– nlogax
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Applications are expected to have a root view controller at the end of application launch
...ument should be set to the name of the class that implements the UIApplicationDelegate protocol.
retVal = UIApplicationMain(argc, argv, nil, @"AppDelegate");
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Completion handler for UINavigationController “pushViewController:animated”?
I'm about creating an app using a UINavigationController to present the next view controllers.
With iOS5 there´s a new method to presenting UIViewControllers :
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Why NSUserDefaults failed to save NSMutableDictionary in iOS?
I'd like to save an NSMutableDictionary object in NSUserDefaults . The key type in NSMutableDictionary is NSString , the value type is NSArray , which contains a list of object which implements NSCoding . Per document, NSString and NSArray both are conform to NSCoding .
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How to save picture to iPhone photo library?
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You can use this function:
UIImageWriteToSavedPhotosAlbum(UIImage *image,
id completionTarget,
SEL completionSelector,
void *contextInfo);
You only ...
How to get NSDate day, month and year in integer format?
... I should get 1, 2 and 1988 separately as an integer. How can I do this in iOS? I found the similar question but the method descriptionWithCalendarFormat : gives a warning and seems to be deprecated by now.
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Understanding the Event Loop
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1: If we are talking about a single-threaded application, then what processes setTimeouts while JS engine accepts more requests and executes them? Isn't that single thread will continue working on other requests? Then who is going to keep working on setTimeout while other reque...
select、poll、epoll之间的区别总结[整理] - C/C++ - 清泛网 - 专注C/C++及内核技术
...lect、poll、epoll之间的区别总结[整理]select，poll，epoll都是IO多路复用的机制。I O多路复用就通过一种机制，可以监视多个描述符，一旦某个描述符就绪（一般是读就绪或者写就绪...select，poll，epoll都是IO多路复用的机制。I/O多路...
preferredStatusBarStyle isn't called
...verride -preferredStatusBarStyle , but it isn't called.
Are there any options that I can change to enable it? (I'm using XIBs in my project.)
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