2014/10/15 下午 10:14:32

iphone Programming Glossary: stringwithcapacity

http://stackoverflow.com/questions/1129521/remove-all-but-numbers-from-nsstring

. It's used as follows NSString originalString @ 123 123123 abc NSMutableString strippedString NSMutableString stringWithCapacity originalString.length NSScanner scanner NSScanner scannerWithString originalString NSCharacterSet numbers NSCharacterSet..

Best way to serialize a NSData into an hexadeximal string

http://stackoverflow.com/questions/1305225/best-way-to-serialize-a-nsdata-into-an-hexadeximal-string

shorter and nicer way to do it. NSString serializeDeviceToken NSData deviceToken NSMutableString str NSMutableString stringWithCapacity 64 int length deviceToken length char bytes malloc sizeof char length deviceToken getBytes bytes length length for int i.. bytes if dataBuffer return NSString string NSUInteger dataLength self length NSMutableString hexString NSMutableString stringWithCapacity dataLength 2 for int i 0 i dataLength i hexString appendString NSString stringWithFormat @ 02lx unsigned long dataBuffer..

Inserting NSData into SQLite on the iPhone

http://stackoverflow.com/questions/3319791/inserting-nsdata-into-sqlite-on-the-iphone

ctcopy const unsigned char raw NSMutableString result lentext data length if lentext 1 return @ result NSMutableString stringWithCapacity lentext raw data bytes ixtext 0 while true ctremaining lentext ixtext if ctremaining 0 break for i 0 i 3 i unsigned long..

Sha256 in Objective-C for iPhone

http://stackoverflow.com/questions/3709204/sha256-in-objective-c-for-iphone

unsigned char result CC_SHA256_DIGEST_LENGTH CC_SHA256 str strlen str result NSMutableString ret NSMutableString stringWithCapacity CC_SHA256_DIGEST_LENGTH 2 for int i 0 i CC_SHA256_DIGEST_LENGTH i ret appendFormat @ 02x result i return ret 2 To get hash..

Change the UITextView Text Direction

http://stackoverflow.com/questions/4905500/change-the-uitextview-text-direction

self.view addSubview _tv _tv release _lines NSMutableArray alloc initWithCapacity 10 _lines addObject NSMutableString stringWithCapacity 255 return self void dealloc _lines release super dealloc void loadView UIView v UIView alloc initWithFrame CGRectMake 0.. @ n NSMutableString lines lastObject insertString text atIndex 0 else lines addObject NSMutableString stringWithCapacity 255 else backspace TODO NSRange del_rng del_rng.length 1 del_rng.location 0 if NSMutableString lines lastObject length.. @ lines addObject NSMutableString stringWithString first_word NSMutableString txt NSMutableString stringWithCapacity 100 for int i 0 i lines count i NSString line lines objectAtIndex i if i lines count 1 txt appendFormat @ @ n line cpos..

Display local UIImage on UIWebview

http://stackoverflow.com/questions/5329648/display-local-uiimage-on-uiwebview

unsigned int lineLength const unsigned char bytes self bytes NSMutableString result NSMutableString stringWithCapacity self length unsigned long ixtext 0 unsigned long lentext self length long ctremaining 0 unsigned char inbuf 3 outbuf 4 unsigned..

Strip out HTML Tags etc from NSString [duplicate]

http://stackoverflow.com/questions/6170531/strip-out-html-tags-etc-from-nsstring

Try this method to remove HTML tags from a String NSString stripTags NSString str NSMutableString html NSMutableString stringWithCapacity str length NSScanner scanner NSScanner scannerWithString str scanner.charactersToBeSkipped NULL NSString tempText nil while..

How do I create a hash of a file on iOS?

http://stackoverflow.com/questions/7632145/how-do-i-create-a-hash-of-a-file-on-ios

char md5Buffer CC_MD5_DIGEST_LENGTH CC_MD5 string strlen string md5Buffer NSMutableString output NSMutableString stringWithCapacity CC_MD5_DIGEST_LENGTH 2 for int i 0 i CC_MD5_DIGEST_LENGTH i output appendFormat @ 02x md5Buffer i return output you can.. char md5Buffer CC_MD5_DIGEST_LENGTH CC_MD5 self.bytes self.length md5Buffer NSMutableString output NSMutableString stringWithCapacity CC_MD5_DIGEST_LENGTH 2 for int i 0 i CC_MD5_DIGEST_LENGTH i output appendFormat @ 02x md5Buffer i return output Please note..

RSA Encryption-Decryption in iphone

http://stackoverflow.com/questions/788569/rsa-encryption-decryption-in-iphone

iOS: formatting decimal numbers

http://stackoverflow.com/questions/9385783/ios-formatting-decimal-numbers

nFracDigits str.length rDot.location 1 int nGroupSeparators nIntDigits 1 3 NSMutableString res NSMutableString stringWithCapacity nIntDigits nGroupSeparators 3 NSString groupingSeparator @ u2006 int nFirstGroup nIntDigits 3 int nextInd 0 if nFirstGroup..