on Mac OS X, NSNumber is a subclass of NSValue that offers a value as any C scalar (numeric) type
As I understand, in Objective-C you can only put Objects into dictionaries. So if I was to create a dictionary, …
iphone objective-c dictionary integer nsnumberSo essentially my question is this, I am creating an NSMutableDictionary using uint64_t objects as the key. Is there …
cocoa nsnumber uint64hi i have Core Data database with numerical attributes. they are NSNumbers. Default value is 0.0 but when i try to …
iphone nspredicate nsnumberI have an interface giving me numbers like this 0000000012345,78 So i figured out how to make a number out of …
iphone objective-c nsnumber nsnumberformatterI am confused by NSDecimalNumber and its "behaviors". I have an NSDecimalNumber that represents a dollar value, say $37.50. I'd like …
objective-c cocoa cocoa-touch nsnumberWhat's the best way to handle Boolean values that derive from a UISwitch setting, and are stored in an NSMutableDictionary …
iphone objective-c boolean nsmutabledictionary nsnumberI don't understand how NSNumberFormatterPercentStyle works! Example: NSNumber *number = [NSNumber numberWithFloat:90.5]; NSNumberFormatter *percentageFormatter = [[[NSNumberFormatter alloc] init] autorelease]; [percentageFormatter setNumberStyle:NSNumberFormatterPercentStyle]; …
ios iphone percentage nsnumber nsnumberformatterI want to perform some simple arithmetic on NSNumbers and preserve the type. Is this possible? For example: - (NSNumber *)…
ios types nsnumberI have a NSManagedObject subclass with an optional instance variable @NSManaged var condition: NSNumber? // This refers to a optional boolean …
swift nsnumber optional