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UITableView - change section header color

How can I change color of a section header in UITableView? 31 Answers 31 ...
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iOS: How to store username/password within an app?

I have a login-screen in my iOS app. The username and password will be saved in the NSUserDefaults and be loaded into the login-screen again when you enter the app again (of course, NSUserDefaults are permanent). ...
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How do you add multi-line text to a UIButton?

... For iOS 6 and above, use the following to allow multiple lines: button.titleLabel.lineBreakMode = NSLineBreakByWordWrapping; // you probably want to center it button.titleLabel.textAlignment = NSTextAlignmentCenter; // if you wa...
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An App ID with Identifier '' is not available. Please enter a different string

I am trying to add a new APP ID to prepare for App Store submission and got the following error under the bundle ID I provided. ...
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viewWillDisappear: Determine whether view controller is being popped or is showing a sub-view contro

I'm struggling to find a good solution to this problem. In a view controller's -viewWillDisappear: method, I need to find a way to determine whether it is because a view controller is being pushed onto the navigation controller's stack, or whether it is because the view controller is disappearing ...
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Xcode Simulator: how to remove older unneeded devices?

I'm running Xcode 4.3.1 iOS-Simulator which originally only supports iOS 5.1. 18 Answers ...
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What is the difference between a .xib file and a .storyboard?

... Apple introduced the concept of "storyboarding" in iOS5 SDK to simplify and better manage screens in your app. You can still use the .xib way of development. Pre-storyboard, each UIViewController had an associated .xib with it. Storyboard achieves two things: .storyboard ...
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Types in Objective-C on iOS

I want to ask about the fundamental data types in Objective-C on iOS. 3 Answers 3 ...
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Is D a credible alternative to Java and C++? [closed]

...ex, thousands of companies are successfully using C++ as part of a healthy mix of languages by allowing only a smaller, well-defined subset of the language. It's still hard to beat C++ when both raw performance and small memory usage are required. ...
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What is simplest way to read a file into String? [duplicate]

... Yes, you can do this in one line (though for robust IOException handling you wouldn't want to). String content = new Scanner(new File("filename")).useDelimiter("\\Z").next(); System.out.println(content); This uses a java.util.Scanner, telling it to delimit the input with \Z...