nsnumber

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Nsnumber out of scope problem

I am trying to make NSNumber *percent to get the integer value percentint but it keeps making it out of scope.. The Nslog logs are like this:[详细]

2023-02-04 01:17 分类：问答
Objective-C: Find numbers in string

I have a string that contains words as well as a number.How can I extract that number from the string?[详细]

2023-02-03 13:20 分类：问答
NSMutableArray : unrecognized selector sent to instance

I\'m trying to store an array int[9][9] with a NSMutableArray of NSMutableArray where I store my 81 integers from the array :[详细]

2023-02-02 06:56 分类：问答
Why this strange behavior is occurring with this code? objective-c

I have a method (the code below is a simplified version) that parses small text files: - (void)parseFile:(NSString *)aFile[详细]

2023-01-30 10:19 分类：问答
Objective-C - Program received signal: “EXC_BAD_ACCESS”. with (NSNumber floatValue)

I am getting a Program received signal:“EXC_BAD_ACCESS”. when using the following code. searchResultFileSize is declared as an NSNumber in my interface. I wasn\'t sure what property to set it as. C[详细]

2023-01-30 00:57 分类：问答
Coredata Float number becomes zero

I have a problem I cannot solve with a Core Data entity. In my entity there are two relations (whoHasToPay, whoHasToBePaid) and an attribute (howMuch).[详细]

2023-01-28 18:00 分类：问答
Problem with NSNumber (double values are off by 1)

I\'m getting the following output and I\'ve no idea why!? The resulting number is off by 1. I thought 开发者_JAVA技巧that double\'s can handle massive numbers? I\'m sure I\'m not understanding someth[详细]

2023-01-27 17:01 分类：问答
converting double into NSNumber using [NSNumber numberWithDouble:]

there is a coordinate object with three variables latitude(NSNumber) ,longitude(NSNumber) and time(NSDate),for checking the program on my simulator,i gave the folowing code[详细]

2023-01-26 12:26 分类：问答
Is a memory leak created by a series of [array addObject:[[NSNumber alloc] initWithBool:someVariable]?];

Do I create multiple memory leaks by: NSMutableArray *array=[[NSMutableArray alloc] init]; [array addObject:[[NSNumber alloc] initWithBool:boolVariable1]];[详细]

2023-01-26 06:51 分类：问答
Issue with UIPickerView's NumberOfRowsInComponent properly registering the int 16 value I am returning from core data

I have a Book data entity that has as an attribute an int 16 type value called开发者_StackOverflow numBooks. Due to the way everything is setup, I am actually grabbing the number I need inside titleFo[详细]

2023-01-25 13:13 分类：问答