nsnumber

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NSNumber from NSDate

I\'m attempting to get around a date validation that refuses to take anything earlier than tomorrow. So far I have this:[详细]

2023-02-24 11:34 分类：问答
NSNumber not being retained?

I have a variable lastPostsGrabbedCounter, an NSNumber, that is defined below. .h NSNumber *lastPostsGrabbedCounter;[详细]

2023-02-21 23:15 分类：问答
update UILabel, get value from NSNumber

I am working on an student budget application. And when user add new expense, label which represent sum of all expenses, should update, but it doesn\'t.[详细]

2023-02-19 05:16 分类：问答
NSNumber Literals

I am very new to Objective-C. I know C and C++ but Objective-C has quite the learning curve. Anyway, is there a shorter way (possibly by some kind of NSNumber literal if such exists) to write the foll[详细]

2023-02-18 11:44 分类：问答
Two NSNumbers created from the same float aren't equal according to ==

I have a few floats which I convert to NSNumbers and add to an array, then sort in numerical order. I then take the original floats and convert those to NSNumbers, but if I try to compare them if(num[详细]

2023-02-16 13:15 分类：问答
Why [NSDecimalNumber longLongValue] return min value

NSDecimalNumber *dn = [[[NSDecimalNumber alloc] initWithString:@\"9223372036854775806\"] autorelease];[详细]

2023-02-15 16:00 分类：问答
iPhone: How to convert normal NSArray into an NSArray containing NSNumber values?

In my iPhone app, I am using an array which contains the values like shown below: A:{ 1000, 2000, -1000,[详细]

2023-02-11 09:05 分类：问答
String to float in objective c

I have a parser returning some string value I\'d like to use as parameter for my class instance initialisation.[详细]

2023-02-07 02:35 分类：问答
How do you store "int" values in an NSMutableArray* or NSMutableDictionary*? Chronic problems with JSON data that come in as integers.

How do you store \"int\" values in an NSMutableArray or NSMutableDictionary?Chronic problems with JSON data that come in as integers.[详细]

2023-02-05 21:02 分类：问答
Problem Adding to NSMutableArray in Loop

I\'m not sure what the problem is with this loop exactly, but I keep getting SIGABRT whenever I run it. According to the log the problem is when I try to add the NSNumber to the NSMutable array near t[详细]

2023-02-05 17:20 分类：问答