Popular "ios4" questions

What programming languages can one use to develop iPhone, iPod Touch and iPad (iOS) applications? Also are there plans in …

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Multiple colours in an NSString or NSMutableStrings are not possible. So I've heard a little about the NSAttributedString which was …

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I want to check if the user is running the app on iOS less than 5.0 and display a label in …

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I am working on catching errors in my app, and I am looking into using NSError. I am slightly confused …

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I'm having trouble converting a string into an integer. I googled it but all I can find is how to …

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In iOS 4.0 Apple has redesigned the backup process. iTunes used to store a list of filenames associated with backup files …

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first of all, I know there is only support for voip, audio and location apps to run in background and …

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So I'm developing my first iOS application and I need help.. Simple program for now, I have about 9 buttons and …

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I read SO about another user encountering similar error, but this error is in different case. I received this message …

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I'm currently uploading an image to a server using Imgur on iOS with the following code: NSData* imageData = UIImagePNGRepresentation(image); …

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