nsrange

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Getting NSRangeException Beyond Bounds Crash

I have this code that is crashing with error *** Terminating app due to uncaught exception \'NSRangeException\', reason: \'*** -[NSArray objectAtIndex:]: index 0 beyond bounds for empty array\'[详细]

2023-04-03 14:21 分类：问答
Remove Part of an NSString and copy it into another NSString

So I have an NSString, lets say it: NSString *mainString = @\"My Name is Andrew (I like computers)\";[详细]

2023-03-31 11:27 分类：问答
Match NSArray of characters Objective-C

I have to match the number of occurrences of n special characters in a string. I thought to create an array with all these chars (they are 20+) and create a function to match each of them.[详细]

2023-03-23 16:44 分类：问答
Unknown escape sequence - Regular expression

I want to validate email text for which I am using RegexKitLite.h. I am doing things as follows : NSString *strEmail = [txtEmail text];[详细]

2023-03-22 11:29 分类：问答
How to capture last 4 characters from NSString

I am accepting an NSString of random size from a UITextField and passing it over to a method that I am creating that will capture only the last 4 characters entered in the string.[详细]

2023-03-18 10:55 分类：问答
NSLog NSRange problem

I have a NSSting resultcontent that contains html data which is dynamic and length of html data is always different according to user input.[详细]

2023-03-18 01:09 分类：问答
Check NSMakeRange is Able to take range or Not

I am currently using the below code to take the substring NSString *s1 = [stringName substringWithRange: NSMakeRange(0, 2)];[详细]

2023-02-25 04:41 分类：问答
objective-c iphone programming : try catch exceptions

im using kumulos to have access to a database. this is the code i am talking about : NSString *location = [[theResults objectAtIndex:0] objectForKey:@\"location\"];[详细]

2023-02-19 14:19 分类：问答
NSRange strange behavior

I have strange NSRange behavior on my device (iPhone iOS 4.3). This code has a different behavior on device and simulator.[详细]

2023-02-16 19:03 分类：问答
NSRange : incorrect behavior. Why?

range.location should be 0. Am i right ? NSRange range; range = [@\"beer\" rangeOfString:@\"beer an开发者_运维百科d vodka\"];[详细]

2023-02-14 06:03 分类：问答