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Explanation of strong and weak storage in iOS5
I am new to iOS5 development and using objective-c. I have trouble understanding the difference between strong and weak storage. I have read the documentation and other SO questions, but they all sound identical to me with no further insight.
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Animate change of view controllers without using navigation controller stack, subviews or modal cont
NavigationControllers have ViewController stacks to manage, and limited animation transitions.
6 Answers
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What is the difference between Serializable and Externalizable in Java?
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To add to the other answers, by implementating java.io.Serializable, you get "automatic" serialization capability for objects of your class. No need to implement any other logic, it'll just work. The Java runtime will use reflection to figure out how to marshal and unmarshal y...
Android equivalent of NSUserDefaults in iOS
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This is the most simple solution I've found:
//--Init
int myvar = 12;
//--SAVE Data
SharedPreferences preferences = context.getSharedPreferences("MyPreferences", Context.MODE_PRIVATE);
SharedPreferences.Editor editor = preferences.edit();
editor.put...
Java Keytool error after importing certificate , “keytool error: java.io.FileNotFoundException & Acc
I'm trying to connect a Java Web API via HTTPS; however, an exception is thrown:
11 Answers
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How can I develop for iPhone using a Windows development machine?
...the iPhone SDK on a Windows machine? Are there plans for an iPhone SDK version for Windows?
39 Answers
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Design for Facebook authentication in an iOS app that also accesses a secured web service
Goal:
Allow a user to authentication with Facebook into an iOS application which requires access to a protected web service that I'm running.
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How to remove all subviews of a view in Swift?
...IT: (thanks Jeremiah / Rollo)
By far the best way to do this in Swift for iOS is:
view.subviews.forEach({ $0.removeFromSuperview() }) // this gets things done
view.subviews.map({ $0.removeFromSuperview() }) // this returns modified array
^^ These features are fun!
let funTimes = ["Awesome","Cra...
How to disable/enable the sleep mode programmatically in iOS?
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You can disable the idle timer as follows;
In Objective-C:
[UIApplication sharedApplication].idleTimerDisabled = YES;
In Swift:
UIApplication.sharedApplication().idleTimerDisabled = true
In Swift 3.0 & Swift 4.0:
UIApplication.shared.isIdleTimerDisabled = true
Set it back to NO or f...
Mathematical functions in Swift
How do I use mathematical functions like sqrt() , floor() , round() , sin() , etc?
6 Answers
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