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2014/10/15 下午 10:05:05

iphone Programming Glossary: chars

iPhone - finalizing Apple's vague “VerificationController.m”

http://stackoverflow.com/questions/11633577/iphone-finalizing-apples-vague-verificationcontroller-m

char and void . Other people have posted routines to do that on SO but they are either in Objective C or not returning chars and void . NOTE this is another problem I have how can a method return void if it is used by Apple in this form uint8_t..

UITextField for Phone Number

http://stackoverflow.com/questions/1246439/uitextfield-for-phone-number

0 simpleNumber length withTemplate @ check if the number is to long if simpleNumber.length 10 remove last extra chars. simpleNumber simpleNumber substringToIndex 10 if deleteLastChar should we delete the last digit simpleNumber simpleNumber..

How to calculate the width of a text string of a specific font and font-size?

http://stackoverflow.com/questions/1324379/how-to-calculate-the-width-of-a-text-string-of-a-specific-font-and-font-size

to calculate the width of a text string of a specific font and font size I have a UILabel that displays some chars. Like x y or rpm . How can I calculate the width of the text in the label it does not ues the whole available space This..

Re-Apply currency formatting to a UITextField on a change event

http://stackoverflow.com/questions/2388448/re-apply-currency-formatting-to-a-uitextfield-on-a-change-event

decimalSeperator numberFormatter.usesGroupingSeparator NO create a character set of valid chars numbers and optionally a decimal sign ... NSRange decimalRange text rangeOfString decimalSeperator BOOL isDecimalNumber.. range withString trimmedString whenever a decimalSeperator is entered we'll just update the textField. whenever other chars are entered we'll calculate the new number and update the textField accordingly. if string isEqualToString decimalSeperator..

Realtime formatting with NSNumberFormatter in a UITextfield

http://stackoverflow.com/questions/2412491/realtime-formatting-with-nsnumberformatter-in-a-uitextfield

doubleValue textField setText NSString stringWithFormat @ @ newAmount return NO Returning yes allows the entered chars to be processed return YES NSString formatCurrencyValue double value NSNumberFormatter numberFormatter NSNumberFormatter..

How can I truncate an NSString to a set length?

http://stackoverflow.com/questions/2952298/how-can-i-truncate-an-nsstring-to-a-set-length

type 矇. One way of doing it is by typing e 0x65 combining accent 0x301 . Now if you type caf矇 like this and truncate 4 chars you'll get cafe . This might cause problems in some places. If you don't care about this other answers work fine. Otherwise.. the range you're interested in NSRange stringRange 0 MIN myString length 20 adjust the range to include dependent chars stringRange myString rangeOfComposedCharacterSequencesForRange stringRange Now you can create the short string NSString..

How to convert an NSString to hex values

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

NSString str NSMutableData stringData NSMutableData alloc init 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.. alloc init 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 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..

UISearchDisplayContoller ??can't prevent table reload on typing in search bar

http://stackoverflow.com/questions/3903718/uisearchdisplaycontoller-cant-prevent-table-reload-on-typing-in-search-bar

...shouldReloadTableForSearchScope allow you to control whether the searchTable reloads automatically on subsequent chars or a scope change. I've done both of the following to provide a good user experience on the first character. Slight disclaimer..

Escape NSString for javascript input

http://stackoverflow.com/questions/5569794/escape-nsstring-for-javascript-input

so I'd go through character by character to escape the string maybe something like this not tested at all const char chars myASCIIString UTF8String NSMutableString escapedString NSMutableString string while chars if chars ' ' escapedString appendString.. not tested at all const char chars myASCIIString UTF8String NSMutableString escapedString NSMutableString string while chars if chars ' ' escapedString appendString @ else if chars ' ' escapedString appendString @ else if chars 0x1F chars 0x7F escapedString.. at all const char chars myASCIIString UTF8String NSMutableString escapedString NSMutableString string while chars if chars ' ' escapedString appendString @ else if chars ' ' escapedString appendString @ else if chars 0x1F chars 0x7F escapedString..

NSURL URLWithString:myString returns Nil?

http://stackoverflow.com/questions/5839877/nsurl-urlwithstringmystring-returns-nil

String. Thanks iphone objective c nsurl share improve this question Your URL is nil because it contains special chars use this following function to encode your url parameters before using them in URL NSString URLEncodeString NSString str..

Iphone SDk : Issue with ampersand in the URL string

http://stackoverflow.com/questions/705448/iphone-sdk-issue-with-ampersand-in-the-url-string

ampersand in the URL string how do we pass a string Mr.X Mr.Y in the URL. I have tried this but this one does all the chars but ampersand. urlString stringByAddingPercentEscapesUsingEncoding NSUTF8StringEncoding Thanks for the help. iphone nsurl..