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Accessing private member variables from prototype-defined functions

... So we just stick to naming conventions for _private fields. Don't bother mixing Closures with Prototypes I think you shouldn't mix closure variables with prototype methods. You should use one or the other. When you use a closure to access a private variable, prototype methods cannot access th...
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Get notified when UITableView has finished asking for data?

... to be working anymore, due to some changes made to UITableView implementation since the answer was written. See this comment : Get notified when UITableView has finished asking for data? I've been playing with this problem for a couple of days and think that subclassing UITableView's reloadData is...
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How can I convert an RGB image into grayscale in Python?

...A')? why not .convert('gray')? Seems needlessly cryptic. The PIL documentation doesn't mention anything about 'LA' for the convert function. – waspinator Aug 31 '12 at 1:32 ...
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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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