Is it possibl开发者_C百科e to send a pointer to an object via Mach IPC by casting it into an int and then casting it back into the object. Would that work and how can that be done?
In languages like C++ and C# when you create a contain such as a std::vector or a C# list you explicitly declare the container type when you create it:
Here is code: NSNumber* number = [NSDecimalNumber decimalNumberWithString :@\"11111111111111111\"]; NSLog(@\"%@ = %lld\", number, [number unsignedLongLongValue]);
Is there a constant retain callback I can use for generic id / NSObjects ? There is kCFTypeDictionaryValueCallBacks but they\'re only for \"CFType-derived objects.\" I don\'t believe NSObjects are CFT
My appl开发者_如何学Pythonication\'s users don\'t like interruptions like incoming phone calls. I want to find out if the device is in Airplane mode, warn the user about possible interruptions and rec
[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject] I used to know that sending a message to the object is kind of calling the method. However, I can\'t reco
I would like to list all phone numbers (or any other field) of people in the addressbook. I\'ve written the following code:
I\'m working with CGContext to create a simple square with four given points (the points should make a perfect square). However, instead of a 200px x 200px square, the iPad app makes, what looks like,
I\'ve created a few sounds for use in my game. I can play them at certain events without issue: // create sounds
I\'m using CGEventTapCreate to \"steal\" media keys from iTunes when my app is running. The code inside of the callback that I pass to CGEv开发者_Go百科entTapCreate examines the event, and if it finds