Cocoa is Apple's application-development framework for macOS, consisting of Foundation, Application Kit, and Core Data.
I'm trying to link a UILabel with an IBOutlet created in my class. My application is crashing with the following …
ios macos cocoa cocoa-touch interface-builderHow do I use an NSTimer? Can anyone give me step by step instructions?
objective-c cocoa nstimerI would like to check to see if I have an Internet connection on iOS using the Cocoa Touch libraries …
ios macos cocoa cocoa-touch reachabilityI'm developing a Cocoa application, and I'm using constant NSStrings as ways to store key names for my preferences. I …
ios objective-c cocoa nsstring constantsAn Xcode beginner's question: It is my first experience with Xcode 4.6.3. I am trying to write a very simple console …
objective-c xcode macos cocoa iobluetoothI know how delegates work, and I know how I can use them. But how do I create them?
ios objective-c cocoa callback delegatesI'm looking for the standard idiom to iterate over an NSArray. My code needs to be suitable for OS X 10.4+.
objective-c cocoa iteration nsarray enumerationI basically need to get current date and time separately, formatted as: 2009-04-26 11:06:54 The code below, from another question …
cocoa cocoa-touch nsdate nsdateformatter date-formattingWith a huge influx of newbies to Xcode, I'm sure there are lots of Xcode tips and tricks to be …
objective-c xcode macos cocoaI can't find a clear answer on Apple documentation regarding Cocoa Autolayout about the difference between content hugging and compression …
cocoa autolayout