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2014/10/15 ¤U¤È 10:05:05

iphone Programming Glossary: characteratindex

Finding Path/Route Between two points on MapKit in iPhone

http://stackoverflow.com/questions/12002179/finding-path-route-between-two-points-on-mapkit-in-iphone

init NSInteger lat 0 NSInteger lng 0 while index len NSInteger b NSInteger shift 0 NSInteger result 0 do b encoded characterAtIndex index 63 result b 0x1f shift shift 5 while b 0x20 NSInteger dlat result 1 ~ result 1 result 1 lat dlat shift 0 result 0.. b 0x1f shift shift 5 while b 0x20 NSInteger dlat result 1 ~ result 1 result 1 lat dlat shift 0 result 0 do b encoded characterAtIndex index 63 result b 0x1f shift shift 5 while b 0x20 NSInteger dlng result 1 ~ result 1 result 1 lng dlng NSNumber latitude..

unichar and NSString - how interchangeable are these?

http://stackoverflow.com/questions/1354388/unichar-and-nsstring-how-interchangeable-are-these

and NSString how interchangeable are these There is an NSString method characterAtIndex which returns an unichar. unichar characterAtIndex NSUInteger index I wonder if this unichar which obviously is not an NSString.. NSString how interchangeable are these There is an NSString method characterAtIndex which returns an unichar. unichar characterAtIndex NSUInteger index I wonder if this unichar which obviously is not an NSString can be converted into an NSString or feeded.. str @end Then call it with NSString otherString @ TestString NSString str NSString stringWithUnichar otherString characterAtIndex 1 or you could just directly go like this NSString str NSString stringWithFormat @ C otherString characterAtIndex 1 Choose..

Convert to Float and Calculate

http://stackoverflow.com/questions/14155360/convert-to-float-and-calculate

so first fix them NSString str formula NSInteger c 0 for int i 0 i str length i if NSString stringWithFormat @ c str characterAtIndex i isEqualToString @ NSString stringWithFormat @ c str characterAtIndex i isEqualToString @ NSString stringWithFormat @.. length i if NSString stringWithFormat @ c str characterAtIndex i isEqualToString @ NSString stringWithFormat @ c str characterAtIndex i isEqualToString @ NSString stringWithFormat @ c str characterAtIndex i isEqualToString @ NSString stringWithFormat @.. @ NSString stringWithFormat @ c str characterAtIndex i isEqualToString @ NSString stringWithFormat @ c str characterAtIndex i isEqualToString @ NSString stringWithFormat @ c str characterAtIndex i isEqualToString @ if str length i 1 if NSString..

Convert hex data string to NSData in Objective C (cocoa)

http://stackoverflow.com/questions/2338975/convert-hex-data-string-to-nsdata-in-objective-c-cocoa

init unsigned char whole_byte char byte_chars 3 ' 0' ' 0' ' 0' for int i 0 i command length 2 i byte_chars 0 command characterAtIndex i 2 byte_chars 1 command characterAtIndex i 2 1 whole_byte strtol byte_chars NULL 16 commandToSend appendBytes whole_byte.. 3 ' 0' ' 0' ' 0' for int i 0 i command length 2 i byte_chars 0 command characterAtIndex i 2 byte_chars 1 command characterAtIndex i 2 1 whole_byte strtol byte_chars NULL 16 commandToSend appendBytes whole_byte length 1 NSLog @ @ commandToSend share..

iPhone: Disable the “double-tap spacebar for .” shortcut?

http://stackoverflow.com/questions/2576561/iphone-disable-the-double-tap-spacebar-for-shortcut

double space return range.location 0 string length 0 NSCharacterSet whitespaceCharacterSet characterIsMember string characterAtIndex 0 NSCharacterSet whitespaceCharacterSet characterIsMember textField text characterAtIndex range.location 1 share improve..

How to convert ASCII value to a character in Objective-C?

http://stackoverflow.com/questions/2832729/how-to-convert-ascii-value-to-a-character-in-objective-c

there could be unexpected results for a non ASCII string. NSString to ASCII NSString string @ A int asciiCode string characterAtIndex 0 65 ASCII to NSString int asciiCode 65 NSString string NSString stringWithFormat @ c asciiCode A share improve this answer..

How to convert an NSString to hex values

http://stackoverflow.com/questions/3056757/how-to-convert-an-nsstring-to-hex-values

autorelease unsigned char whole_byte char byte_chars 3 ' 0' ' 0' ' 0' int i for i 0 i str length 2 i byte_chars 0 str characterAtIndex i 2 byte_chars 1 str characterAtIndex i 2 1 whole_byte strtol byte_chars NULL 16 stringData appendBytes whole_byte length.. char byte_chars 3 ' 0' ' 0' ' 0' int i for i 0 i str length 2 i byte_chars 0 str characterAtIndex i 2 byte_chars 1 str characterAtIndex i 2 1 whole_byte strtol byte_chars NULL 16 stringData appendBytes whole_byte length 1 return NSString alloc initWithData..

Converting HEX NSString To NSData

http://stackoverflow.com/questions/7317860/converting-hex-nsstring-to-nsdata

alloc init unsigned char whole_byte char byte_chars 2 int i for i 0 i strData length 2 i byte_chars 0 strData characterAtIndex i 2 byte_chars 1 strData characterAtIndex i 2 1 whole_byte strtol byte_chars NULL strData length commandToSend appendBytes.. char byte_chars 2 int i for i 0 i strData length 2 i byte_chars 0 strData characterAtIndex i 2 byte_chars 1 strData characterAtIndex i 2 1 whole_byte strtol byte_chars NULL strData length commandToSend appendBytes whole_byte length 1 NSLog @ @ commandToSend.. init unsigned char whole_byte char byte_chars 3 ' 0' ' 0' ' 0' int i for i 0 i command length 2 i byte_chars 0 command characterAtIndex i 2 byte_chars 1 command characterAtIndex i 2 1 whole_byte strtol byte_chars NULL 16 commandToSend appendBytes whole_byte..