I’m trying to link a UILabel with an IBOutlet created in my class. My application is crashing with the following error. What does this mean? How can I fix it? *** Terminating app due to uncaught exception ‘NSUnknownKeyException’, reason: ‘[<UIViewController 0x6e36ae0> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key XXX.’ 7 75
What I want to do seems pretty simple, but I can’t find any answers on the web. I have an NSMutableArray of objects, and let’s say they are ‘Person’ objects. I want to sort the NSMutableArray by Person.birthDate which is an NSDate. I think it has something to do with this method: NSArray *sortedArray = … Read more
I would like to check to see if I have an Internet connection on iOS using the Cocoa Touch libraries or on macOS using the Cocoa libraries. I came up with a way to do this using an NSURL. The way I did it seems a bit unreliable (because even Google could one day be … Read more
I have a UILabel with space for two lines of text. Sometimes, when the text is too short, this text is displayed in the vertical center of the label. How do I vertically align the text to always be at the top of the UILabel? 5 51
