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2014/10/15 ¤U¤È 10:05:47
iphone Programming Glossary: cstringusingencodingHow do I make UILabel display outlined text? http://stackoverflow.com/questions/1103148/how-do-i-make-uilabel-display-outlined-text theContext 0 0 0 1 CGContextSetLineWidth theContext 1.0 ShowStringCentered theContext rect.size.width 2.0 12 self text cStringUsingEncoding NSASCIIStringEncoding I just have a nagging feeling that I'm overlooking a simpler way to do this. Perhaps by overriding..
Reading binary image data from a web service into UIImage http://stackoverflow.com/questions/2360986/reading-binary-image-data-from-a-web-service-into-uiimage CHAR_MAX 256 NSUInteger i for i 0 i 64 i decodingTable short encodingTable i i const char characters string cStringUsingEncoding NSASCIIStringEncoding if characters NULL Not an ASCII string return nil char bytes malloc string length 3 4 3 if bytes NULL..
How to change an UILabel/UIFont's letter spacing? http://stackoverflow.com/questions/2544905/how-to-change-an-uilabel-uifonts-letter-spacing rect Drawing code CGContextRef context UIGraphicsGetCurrentContext CGContextSelectFont context self.font.fontName cStringUsingEncoding NSASCIIStringEncoding self.font.pointSize kCGEncodingMacRoman CGContextSetCharacterSpacing context 1 CGContextSetFillColorWithColor.. self.frame.size.height self.font.pointSize 2 2 CGContextShowTextAtPoint context 0 centeredY self.text cStringUsingEncoding NSASCIIStringEncoding self.text length CGPoint v CGContextGetTextPosition context calculate width and draw second one. float..
Decode sha1 string to normal string http://stackoverflow.com/questions/3492317/decode-sha1-string-to-normal-string solution for reverse of this i.e normal string from sha1 string. NSString stringToSha1 NSString str const char s str cStringUsingEncoding NSASCIIStringEncoding NSData keyData NSData dataWithBytes s length strlen s This is the destination uint8_t digest CC_SHA1_DIGEST_LENGTH..
http://stackoverflow.com/questions/3841642/curve-text-on-existing-circle 300 float perSectionDegrees 360 sections count float totalRotation 90 char fontName char self.menuItemsFont.fontName cStringUsingEncoding NSASCIIStringEncoding CGColorSpaceRef colorSpace CGColorSpaceCreateDeviceRGB CGContextRef context CGBitmapContextCreate.. index CGSize textSize menuItemText sizeWithFont self.menuItemsFont char menuItemTextChar char menuItemText cStringUsingEncoding NSASCIIStringEncoding float x centerPoint.x radius cos degreesToRadians totalRotation float y centerPoint.y radius sin degreesToRadians.. 0 index text length index NSRange range index 1 NSString letter text substringWithRange range char c char letter cStringUsingEncoding NSASCIIStringEncoding CGSize charSize letter sizeWithFont self.menuItemsFont NSLog @ Char @ with size f x f letter charSize.width..
http://stackoverflow.com/questions/4545982/getting-video-from-alasset NSUInteger size rep size const int bufferSize 8192 NSLog @ Writing to @ tmpfile FILE f fopen tmpfile cStringUsingEncoding 1 wb if f NULL NSLog @ Can not create tmp file. return Byte buffer Byte malloc bufferSize int read 0 offset 0 written..
http://stackoverflow.com/questions/462440/version-of-xslt-in-iphone to load external entity subsets xmlLoadExtDtdDefaultValue 1 sty xsltParseStylesheetFile const xmlChar styleSheetPath cStringUsingEncoding NSUTF8StringEncoding doc xmlParseFile filePath cStringUsingEncoding NSUTF8StringEncoding res xsltApplyStylesheet sty doc.. const xmlChar styleSheetPath cStringUsingEncoding NSUTF8StringEncoding doc xmlParseFile filePath cStringUsingEncoding NSUTF8StringEncoding res xsltApplyStylesheet sty doc NULL char xmlResultBuffer nil int length 0 xsltSaveResultToString xmlResultBuffer..
Send and receive NSData via GameKit http://stackoverflow.com/questions/4837102/send-and-receive-nsdata-via-gamekit withDataMode error NSData fileData file_packet packet file_packet malloc sizeof file_packet packet fileName filename cStringUsingEncoding NSASCIIStringEncoding packet contents NSData dataWithContentsOfFile selectedFilePath packet packetnumber 1 packet totalpackets..
UTF8 character decoding in Objective C http://stackoverflow.com/questions/4913499/utf8-character-decoding-in-objective-c to convert the above NSString str1 @ est un r u00c3 u00aa ve en noir NSString str NSString stringWithUTF8String str1 cStringUsingEncoding NSUTF8StringEncoding NSLog @ Converted UTF @ str This is the output that I am getting Converted UTF est un r ª ve en noir..
How to convert HEX to NSString in Objective-C? http://stackoverflow.com/questions/6421282/how-to-convert-hex-to-nsstring-in-objective-c
http://stackoverflow.com/questions/7271528/nslog-into-file want to use the Console.app. You can redirect the error stream to a file of your liking using freopen freopen path cStringUsingEncoding NSASCIIStringEncoding a stderr See this explanation and sample project for details. Or you can override NSLog with a custom..
How to write a simple Ping method in Cocoa/Objective-C http://stackoverflow.com/questions/798454/how-to-write-a-simple-ping-method-in-cocoa-objective-c improve this question The code below seems to be working synchronously const char hostName @ stackoverflow.com cStringUsingEncoding NSASCIIStringEncoding SCNetworkConnectionFlags flags 0 if SCNetworkCheckReachabilityByName hostName flags flags 0 NSLog..
Populate the table view sections with rows of table in sqlite database in an order http://stackoverflow.com/questions/8475446/populate-the-table-view-sections-with-rows-of-table-in-sqlite-database-in-an-ord SQLITE_OK NSString sqlStatement NSString stringWithFormat @ select count from reminders const char sql sqlStatement cStringUsingEncoding NSUTF8StringEncoding if sqlite3_prepare_v2 remindersDB sql 1 statement NULL SQLITE_OK while sqlite3_step statement SQLITE_ROW..
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