The Question : 415 people think this question is useful I want to be able to debug C structures without having to explicitly type every property that they consist of. i.e. I want to be able to do something like this: Obviously the ‘%@’ won’t work, hence the question. The Question Comments : NSLog(@”%@”, CGRectCreateDictionaryRepresentation(rect));
The Question : 447 people think this question is useful I’m doing a presentation on debugging in Xcode and would like to get more information on using NSLog efficiently. In particular, I have two questions: is there a way to easily NSLog the current method’s name / line number? is there a way to “disable”
The Question : 596 people think this question is useful Many classes in Cocoa/Cocoa Touch have the NS prefix. What does it mean? The Question Comments : I prefer to believe it means “namespace” 😂 The Answer 1 473 people think this answer is useful It’s from the NeXTSTEP heritage. The Answer 2 796 people
The Question : 747 people think this question is useful I know how delegates work, and I know how I can use them. But how do I create them? The Question Comments : Example for creating a delegate in Objective-C The Answer 1 896 people think this answer is useful An Objective-C delegate is an
The Question : 1013 people think this question is useful I’m developing a Cocoa application, and I’m using constant NSStrings as ways to store key names for my preferences. I understand this is a good idea because it allows easy changing of keys if necessary. Plus, it’s the whole ‘separate your data from your logic’
The Question : 1207 people think this question is useful 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
The Question : 1342 people think this question is useful 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
问题内容: I have an app working from an extension in the Status Menu. I have there a button “Settings” on which when the user taps should launch a particular view of my storyboard. I have tried many different ways, Open NSWindowController from NSMenu, Cocoa – How to bring particular window to come in foreground from
