nsnumber Questions
3
Solved
I am new to iPhone development. I want a Nsmutable array to hold numbers from 1 to 100. How can I do it? How can I implement in a for loop? Is there any other way to hold numbers in array in iPhone...
Eyeleteer asked 10/4, 2010 at 15:3
2
Solved
According to Swift 3 documentation, NSNumber is bridged to Swift native types such as Int, Float, Double,...But when I try using a native type in Dictionary I get compilation errors that get fixed ...
7
Solved
So I have an NSArray "myArray" with NSNumbers and NSStrings. I need them in another UIView so i go like this:
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)inde...
Sind asked 19/10, 2010 at 15:26
7
Solved
I have a string that contains words as well as a number. How can I extract that number from the string?
NSString *str = @"This is my string. #1234";
I would like to be able to strip out 1234 as ...
Marivaux asked 11/1, 2011 at 22:32
2
Solved
For some reason, certain Doubles in my Swift app are giving me trouble when converting to NSNumber, while some are not. My app needs to convert doubles with 2 decimal places (prices) to NSNum...
4
Solved
I used core data in my iOS swift project and declared a variable as Int32, in the class file it was initialised to NSNumber and while I tried to increment the variable by creating a object for that...
5
Let's say I have an NSArray of NSNumbers like this: 1, 2, 3
Then the set of all possible permutations would look something like this:
1, 2, 3
1, 3, 2
2, 1, 3
2, 3, 1
3, 1, 2
3, 2...
Marva asked 24/9, 2010 at 21:49
1
Solved
Question
Is it possible to replicate Swifts numeric value bridging to Foundation:s NSNumber reference type, for e.g. Int32, UInt32, Int64 and UInt64 types? Specifically, replicating the automatic...
3
Solved
I could convert English numbers to Arabic numbers in Xcode. but now I want to convert Arabic/Persian numbers to English numbers in iOS ...
Please guide me about this...
This is my code for conver...
Wahoo asked 12/2, 2015 at 11:10
2
Solved
I have a number for an example 1329094. I want to get only the first two digits that I make see 13
I create NSNumberFormatter like
func setReceivedChart(description: [String], value: [Double]) ...
Bespeak asked 31/1, 2016 at 9:22
2
Solved
I'm working with a range of number from 0.00 to 9999.99 .
I need to add the "˙" thousands separator, so 1300,00 should became 1˙300,00.
NSNumberFormatter use "," as separator so it isn't good for m...
Karleenkarlen asked 27/12, 2015 at 13:40
5
Solved
How do I check if a NSNumber object is nil or empty?
OK nil is easy:
NSNumber *myNumber;
if (myNumber == nil)
doSomething
But if the object has been created, but there is no value in it becaus...
Tyne asked 15/9, 2010 at 10:4
4
Solved
In my app, I accidentally used "==" when comparing two NSNumber objects like so:
NSNumber *number1;
NSNumber *number2;
Later on, after these objects' int values were set, I accidentally did this...
Cladding asked 5/12, 2015 at 11:4
4
Solved
How do I get the line below to compile?
UIView.setAnimationCurve(userInfo[UIKeyboardAnimationCurveUserInfoKey].integerValue)
Right now, it gives the compile error:
'NSNumber' is not a subtype o...
5
Solved
NSDictionary *regionDict = (NSDictionary *) region;
NSNumber *lat = [regionDict objectForKey:@"lat"];
//[latitude addObject:lat];
NSNumber *lng = [regionDict objectForKey:@"lng"];
//[longitude...
4
Solved
What is the best way of checking if a NSNumber is a fraction?
NumberIsFraction(@(0)); // NO;
NumberIsFraction(@(0.5)); // YES;
NumberIsFraction(@(1.0)); // NO;
"Best" in terms of border case han...
Crimmer asked 3/9, 2012 at 11:57
2
Solved
I have an NSArray with NSNumber objects that have int values:
arrayOfValues = [[[NSArray alloc] initWithObjects: [NSNumber numberWithInt:1], [NSNumber numberWithInt:3], [NSNumber numberWithInt:5],...
Broadcaster asked 1/8, 2012 at 3:48
4
Solved
I want to have a simple NSSet which is loaded with some NSNumbers and then find out if those numbers are already added in the set or not. When I do this:
NSMutableSet *set = [[NSMutableSet alloc]...
Gallbladder asked 8/11, 2011 at 14:42
1
Solved
It seems to me that any valid number can also be expressed as a String, so I don't know why this function returns a String? instead of a String.
Ecdysiast asked 23/1, 2015 at 4:35
6
Solved
In objective c, how can i check if a string/NSNumber is an integer or int
Dostie asked 13/8, 2010 at 3:58
2
Solved
I used the below code to extract numbers from inputString using NSScanner
NSString *inputString = @"Dhoni7 notout at183*runs in 145andhehit15four's and10sixers100";
NSString *numberString;
NSArray...
Markitamarkka asked 24/5, 2015 at 15:3
3
Solved
An NSNumber containing a Bool is easily confused with other types that can be wrapped in the NSNumber class:
NSNumber(bool:true).boolValue // true
NSNumber(integer: 1).boolValue // true
NSNumber(i...
2
I'm stuck with some sort of casting in Swift as I am very new to Swift.
Here is my code:
if let matchDateTime = item["matchDate"].number {
_matchDateTime=matchDateTime
}
println(_matchDateTi...
Impartible asked 12/5, 2015 at 15:49
2
I'm successfully using the setValue(value, forKey: key) method in my NSKeyValueCoding compliant Swift NSObject subclass.
This works perfectly well on String optionals, e.g.
var name:String?
How...
Zootoxin asked 30/9, 2014 at 10:44
2
Solved
Is each value of a typedef enum treated as an int?
E.g., given the following typedef enum:
// UIView.h
typedef enum {
UIViewAnimationCurveEaseInOut,
UIViewAnimationCurveEaseIn,
UIViewAnimati...
Tubb asked 21/4, 2012 at 0:35
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