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Applications are expected to have a root view controller at the end of application launch
...ument should be set to the name of the class that implements the UIApplicationDelegate protocol.
retVal = UIApplicationMain(argc, argv, nil, @"AppDelegate");
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How to stop unwanted UIButton animation on title change?
In iOS 7 my UIButton titles are animating in and out at the wrong time - late. This problem does not appear on iOS 6. I'm just using:
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How to stop an unstoppable zombie job on Jenkins without restarting the server?
...()=="YOUR THREAD NAME" ) { t.interrupt(); }
}
UPDATE:
The above solution using threads may not work on more recent Jenkins versions. To interrupt frozen pipelines refer to this solution (by alexandru-bantiuc) instead and run:
Jenkins.instance.getItemByFullName("JobName")
.getB...
How to save picture to iPhone photo library?
...
You can use this function:
UIImageWriteToSavedPhotosAlbum(UIImage *image,
id completionTarget,
SEL completionSelector,
void *contextInfo);
You only ...
How to use pull to refresh in Swift?
...ilding an RSS reader using swift and need to implement pull to reload functionality.
17 Answers
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Why does Path.Combine not properly concatenate filenames that start with Path.DirectorySeparatorChar
From the Immediate Window in Visual Studio:
16 Answers
16
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How to make a valid Windows filename from an arbitrary string?
...thing like this:
string fileName = "something";
foreach (char c in System.IO.Path.GetInvalidFileNameChars())
{
fileName = fileName.Replace(c, '_');
}
Edit:
Since GetInvalidFileNameChars() will return 10 or 15 chars, it's better to use a StringBuilder instead of a simple string; the original v...
Why NSUserDefaults failed to save NSMutableDictionary in iOS?
I'd like to save an NSMutableDictionary object in NSUserDefaults . The key type in NSMutableDictionary is NSString , the value type is NSArray , which contains a list of object which implements NSCoding . Per document, NSString and NSArray both are conform to NSCoding .
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What is the Swift equivalent of respondsToSelector?
...
As mentioned, in Swift most of the time you can achieve what you need with the ? optional unwrapper operator. This allows you to call a method on an object if and only if the object exists (not nil) and the method is implemented.
I...
How to get Erlang's release version number from a shell?
Many programs return their version number with a command like:
11 Answers
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