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UITableView - change section header color
How can I change color of a section header in UITableView?
31 Answers
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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?
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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...
Unicode (UTF-8) reading and writing to files in Python
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In the notation
u'Capit\xe1n\n'
the "\xe1" represents just one byte. "\x" tells you that "e1" is in hexadecimal.
When you write
Capit\xc3\xa1n
into your file you have "\xc3" in it. Those are 4 bytes and in your code you read them a...
[SOLVED] Can't send payload > 23bytes(MTU setted to 128bytes) - #9 by ...
...docs, you have done this completely backwards.
Just ask for the 192 MTU in AI2, and start transmitting after you got the event that tells you both sides can handle the 192 size.
1 Like
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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 ...
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?
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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 ...
Types in Objective-C on iOS
I want to ask about the fundamental data types in Objective-C on iOS.
3 Answers
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