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2014/10/15 ¤U¤È 10:05:05

iphone Programming Glossary: character

HTML character decoding in Objective-C / Cocoa Touch

http://stackoverflow.com/questions/1105169/html-character-decoding-in-objective-c-cocoa-touch

character decoding in Objective C Cocoa Touch First of all I found this Objective C HTML escape unescape but.. First of all I found this Objective C HTML escape unescape but it doesn't work for me. My encoded characters come from a RSS feed btw look like this #038 I searched all over the net and found related discussions.. related discussions but no fix for my particular encoding I think they are called hexadecimal characters. iphone html objective c cocoa cocoa touch share improve this question Those are called Character..

Detect backspace in UITextField

http://stackoverflow.com/questions/1977934/detect-backspace-in-uitextfield

This may be a long shot but it could work. Try setting the text field's text to a zero width space character u200B . When backspace is pressed on a text field that appears empty it will actually delete your space...

@property @synthesize

http://stackoverflow.com/questions/2032826/property-synthesize

write your own setter and getter implemention like getMyString or setMyString capitalize the first character of your property Sam Just an advice http www.cocoadevcentral.com d learn_objectivec is a pretty solid..

What is the best way to enter numeric values with decimal points?

http://stackoverflow.com/questions/276382/what-is-the-best-way-to-enter-numeric-values-with-decimal-points

to enter in 1.23 you start by entering the numbers 1 2 3 in that order . In the system as each character is entered this would be recognized as user enters 1 0.01 user enters 2 0.12 user enters 3 1.23 Notice..

Set the maximum character length of a UITextField

http://stackoverflow.com/questions/433337/set-the-maximum-character-length-of-a-uitextfield

the maximum character length of a UITextField How can I set the maximum amount of characters in a UITextField on the iPhone.. the maximum character length of a UITextField How can I set the maximum amount of characters in a UITextField on the iPhone SDK when I load up a UIView iphone ios objective c cocoa touch uitextfield.. the string length we're inserting minus the range length. If this value is too long more than 25 characters in this example return NO to prohibit the change. When typing in a single character at the end of a..

Objective-C url encoding

http://stackoverflow.com/questions/8086584/objective-c-url-encoding

I do thanks iphone html objective c ios nsstring share improve this question To escape the characters you want is a little more work. Example code NSString unescaped @ http www NSString escapedString NSString.. in this case it will not encode anything returning the same string. Note consider if this set of characters meet your needs if not change them as needed. RFC 3986 characters requiring encoding added since it.. Note consider if this set of characters meet your needs if not change them as needed. RFC 3986 characters requiring encoding added since it is the encoding prefix character # ' @ Some unreserved characters..

HTML character decoding in Objective-C / Cocoa Touch

http://stackoverflow.com/questions/1105169/html-character-decoding-in-objective-c-cocoa-touch

character decoding in Objective C Cocoa Touch First of all I found this Objective C HTML escape unescape but it doesn't work for me. My encoded characters come from a RSS.. character decoding in Objective C Cocoa Touch First of all I found this Objective C HTML escape unescape but it doesn't work for me. My encoded characters come from a RSS feed btw look like this #038 I searched all over the net and found related discussions but no fix for my particular encoding I think they are called.. btw look like this #038 I searched all over the net and found related discussions but no fix for my particular encoding I think they are called hexadecimal characters. iphone html objective c cocoa cocoa touch share improve this question Those are called Character Entity References . When they take the form of # number..

Detect backspace in UITextField

http://stackoverflow.com/questions/1977934/detect-backspace-in-uitextfield

empty. iphone uitextfield share improve this question This may be a long shot but it could work. Try setting the text field's text to a zero width space character u200B . When backspace is pressed on a text field that appears empty it will actually delete your space. Then you can just reinsert the space. May not work if the..

@property @synthesize

http://stackoverflow.com/questions/2032826/property-synthesize

property accessor methods Without synthesize you have to write your own setter and getter implemention like getMyString or setMyString capitalize the first character of your property Sam Just an advice http www.cocoadevcentral.com d learn_objectivec is a pretty solid resource to learn about basics like properties. Good Luck..

What is the best way to enter numeric values with decimal points?

http://stackoverflow.com/questions/276382/what-is-the-best-way-to-enter-numeric-values-with-decimal-points

the user's input. For instance in the US locale when you what to enter in 1.23 you start by entering the numbers 1 2 3 in that order . In the system as each character is entered this would be recognized as user enters 1 0.01 user enters 2 0.12 user enters 3 1.23 Notice how we inferred the decimal separator based on the user's..

Set the maximum character length of a UITextField

http://stackoverflow.com/questions/433337/set-the-maximum-character-length-of-a-uitextfield

the maximum character length of a UITextField How can I set the maximum amount of characters in a UITextField on the iPhone SDK when I load up a UIView iphone ios objective c cocoa.. the maximum character length of a UITextField How can I set the maximum amount of characters in a UITextField on the iPhone SDK when I load up a UIView iphone ios objective c cocoa touch uitextfield share improve this question While the UITextField.. not changed at this point so we grab it's current length and the string length we're inserting minus the range length. If this value is too long more than 25 characters in this example return NO to prohibit the change. When typing in a single character at the end of a text field the range.location will be the current field's length..

Objective-C url encoding

http://stackoverflow.com/questions/8086584/objective-c-url-encoding

www. but I want to transform it to http 3A 2F 2Fwww. How can I do thanks iphone html objective c ios nsstring share improve this question To escape the characters you want is a little more work. Example code NSString unescaped @ http www NSString escapedString NSString CFURLCreateStringByAddingPercentEscapes NULL CFStringRef.. will not produce the correct encoding in this case it will not encode anything returning the same string. Note consider if this set of characters meet your needs if not change them as needed. RFC 3986 characters requiring encoding added since it is the encoding prefix character # ' @ Some unreserved characters.. case it will not encode anything returning the same string. Note consider if this set of characters meet your needs if not change them as needed. RFC 3986 characters requiring encoding added since it is the encoding prefix character # ' @ Some unreserved characters are additionally encoded n r . ^_` ~ share improve this answer..

HTML character decoding in Objective-C / Cocoa Touch

http://stackoverflow.com/questions/1105169/html-character-decoding-in-objective-c-cocoa-touch

character decoding in Objective C Cocoa Touch First of all I found this Objective C HTML escape unescape but it doesn't work for.. C Cocoa Touch First of all I found this Objective C HTML escape unescape but it doesn't work for me. My encoded characters come from a RSS feed btw look like this #038 I searched all over the net and found related discussions but no fix for my.. over the net and found related discussions but no fix for my particular encoding I think they are called hexadecimal characters. iphone html objective c cocoa cocoa touch share improve this question Those are called Character Entity References..

Where's the difference between setObject:forKey: and setValue:forKey: in NSMutableDictionary?

http://stackoverflow.com/questions/1249634/wheres-the-difference-between-setobjectforkey-and-setvalueforkey-in-nsmutab

changes member variables. In NSMutableDictionary it changes dictionary entries unless you prefix the key with a '@' character in which case it modifies member variables. So in a nutshell use setObject forKey when you need to work with dictionary..

How to use the first character as a section name

http://stackoverflow.com/questions/1741093/how-to-use-the-first-character-as-a-section-name

to use the first character as a section name I'm using Core Data for a table view and I'd like to use the first letter of each of my results as the..

Detect backspace in UITextField

http://stackoverflow.com/questions/1977934/detect-backspace-in-uitextfield

this question This may be a long shot but it could work. Try setting the text field's text to a zero width space character u200B . When backspace is pressed on a text field that appears empty it will actually delete your space. Then you can just..

@property @synthesize

http://stackoverflow.com/questions/2032826/property-synthesize

you have to write your own setter and getter implemention like getMyString or setMyString capitalize the first character of your property Sam Just an advice http www.cocoadevcentral.com d learn_objectivec is a pretty solid resource to learn..

How to search MKMapView with UISearchBar?

http://stackoverflow.com/questions/2281798/how-to-search-mkmapview-with-uisearchbar

NSMutableString stringWithFormat @ http maps.google.com maps geo q @ output json inAddress Replace Spaces with a ' ' character. urlString setString urlString stringByReplacingOccurrencesOfString @ withString @ Create NSURL string from a formate URL..

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

0 numberFormatter.decimalSeparator decimalSeperator numberFormatter.usesGroupingSeparator NO create a character set of valid chars numbers and optionally a decimal sign ... NSRange decimalRange text rangeOfString decimalSeperator BOOL.. decimalSeperator BOOL isDecimalNumber decimalRange.location NSNotFound if isDecimalNumber charSet NSCharacterSet characterSetWithCharactersInString numberChars else numberChars numberChars stringByAppendingString decimalSeperator charSet NSCharacterSet.. numberChars else numberChars numberChars stringByAppendingString decimalSeperator charSet NSCharacterSet characterSetWithCharactersInString numberChars remove amy characters from the string that are not a number or decimal sign ... NSCharacterSet..

What is the best way to enter numeric values with decimal points?

http://stackoverflow.com/questions/276382/what-is-the-best-way-to-enter-numeric-values-with-decimal-points

US locale when you what to enter in 1.23 you start by entering the numbers 1 2 3 in that order . In the system as each character is entered this would be recognized as user enters 1 0.01 user enters 2 0.12 user enters 3 1.23 Notice how we inferred the..

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.. 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.. s UTF8String NSString initWithUTF8String decodedHexString To make an NSString with the hexadecimal representation of a character string NSMutableString hex NSMutableString string while utf8 hex appendFormat @ 02X utf8 0x00FF You will have to make your..

Objective C parse hex string to integer

http://stackoverflow.com/questions/3648411/objective-c-parse-hex-string-to-integer

If you have a string in the format #01FFFFAB you can still use an NSScanner but you can simply skip the first character. unsigned result 0 NSScanner scanner NSScanner scannerWithString @ #01FFFFAB scanner setScanLocation 1 bypass '#' character..

iPhone device vs. iPhone simulator

http://stackoverflow.com/questions/380062/iphone-device-vs-iphone-simulator

Set the maximum character length of a UITextField

http://stackoverflow.com/questions/433337/set-the-maximum-character-length-of-a-uitextfield

the maximum character length of a UITextField How can I set the maximum amount of characters in a UITextField on the iPhone SDK when I load up.. the maximum character length of a UITextField How can I set the maximum amount of characters in a UITextField on the iPhone SDK when I load up a UIView iphone ios objective c cocoa touch uitextfield share improve.. current length and the string length we're inserting minus the range length. If this value is too long more than 25 characters in this example return NO to prohibit the change. When typing in a single character at the end of a text field the range.location..

String replacement in Objective-C

http://stackoverflow.com/questions/668228/string-replacement-in-objective-c

replacement in Objective C What is the best way to replace a character is a string in Objective C for iPhone SDK iphone objective c share improve this question You could use the method NSString..

Objective-C url encoding

http://stackoverflow.com/questions/8086584/objective-c-url-encoding

3A 2F 2Fwww. How can I do thanks iphone html objective c ios nsstring share improve this question To escape the characters you want is a little more work. Example code NSString unescaped @ http www NSString escapedString NSString CFURLCreateStringByAddingPercentEscapes.. the correct encoding in this case it will not encode anything returning the same string. Note consider if this set of characters meet your needs if not change them as needed. RFC 3986 characters requiring encoding added since it is the encoding prefix.. the same string. Note consider if this set of characters meet your needs if not change them as needed. RFC 3986 characters requiring encoding added since it is the encoding prefix character # ' @ Some unreserved characters are additionally encoded..

Put Random UIButtons Title of NSMutableArray to UIButtons of NSMutablearray

http://stackoverflow.com/questions/10596414/put-random-uibuttons-title-of-nsmutablearray-to-uibuttons-of-nsmutablearray

with 3 UIButtons and Second NSMutableArray with 50 UIButtons. I want to take these 3 UIButtons Titles to Assign it Character by Character to each UIButton of SecondArray.but Each of these 50 UIButtons of Second Array already have single Character.My.. and Second NSMutableArray with 50 UIButtons. I want to take these 3 UIButtons Titles to Assign it Character by Character to each UIButton of SecondArray.but Each of these 50 UIButtons of Second Array already have single Character.My Basics purpose.. by Character to each UIButton of SecondArray.but Each of these 50 UIButtons of Second Array already have single Character.My Basics purpose is that first of all i want to check the length of each uibutton title of my first Array then assign it..

HTML character decoding in Objective-C / Cocoa Touch

http://stackoverflow.com/questions/1105169/html-character-decoding-in-objective-c-cocoa-touch

hexadecimal characters. iphone html objective c cocoa cocoa touch share improve this question Those are called Character Entity References . When they take the form of # number they are called numeric entity references . Basically it's a string..

Does IOS support all Unicode emojies?

http://stackoverflow.com/questions/12140770/does-ios-support-all-unicode-emojies

Unicode emojies Hello All I have a problem regarding Unicode characters . I'm able to append Apple Art Work Unicode Characters in UITextView . Like this self.textView.text @ ue00A It is Okay. But now i have many Unicodes Characters which're not in.. Work Unicode Characters in UITextView . Like this self.textView.text @ ue00A It is Okay. But now i have many Unicodes Characters which're not in Apple art work. One of them is U 1F3C7 Now I'm trying to show it in UITextView . self.textView.text @ u1f3c7.. them is U 1F3C7 Now I'm trying to show it in UITextView . self.textView.text @ u1f3c7 Then it is showing me an Special Character instead of Emoji. This is the Emoji Icon of this Unicode But it is showing me á¼ . Apple doesn't support all Unicode Characters..

Replace unicode value in string

http://stackoverflow.com/questions/19564950/replace-unicode-value-in-string

to locate the control characters and replaces them using a lookup table. The control characters are replaced by Character Escape Codes such as r or n if possible otherwise by x followed by the hex code. NSString str @ EOP NSCharacterSet controls.. by Character Escape Codes such as r or n if possible otherwise by x followed by the hex code. NSString str @ EOP NSCharacterSet controls NSCharacterSet controlCharacterSet static char replacements 0 NULL NULL NULL NULL NULL NULL a b t n v f r NULL.. Codes such as r or n if possible otherwise by x followed by the hex code. NSString str @ EOP NSCharacterSet controls NSCharacterSet controlCharacterSet static char replacements 0 NULL NULL NULL NULL NULL NULL a b t n v f r NULL NULL NULL NULL NULL NULL..

Unicode Character Not Showing

http://stackoverflow.com/questions/275437/unicode-character-not-showing

Character Not Showing I want to display the infinity symbol using CGContextSelectFont context HelveticaNeue textSize kCGEncodingMacRoman.. the infinity symbol void drawRect CGRect rect unichar inf 0x221E infinity symbol NSString sName NSString alloc initWithCharacters inf length 1 UIFont font UIFont fontWithName @ Helvetica size 32.0 sName drawInRect CGRectMake 20 20 40 40 withFont font..

NSXMLParser retrieving wrong data from XML tags

http://stackoverflow.com/questions/5821022/nsxmlparser-retrieving-wrong-data-from-xml-tags

qName attributes NSDictionary attributeDict if elementName isEqualToString @ document NSLog @ doc found Found Character void parser NSXMLParser parser foundCharacters NSMutableString string currentNodeContent string stringByTrimmingCharactersInSet.. if elementName isEqualToString @ document NSLog @ doc found Found Character void parser NSXMLParser parser foundCharacters NSMutableString string currentNodeContent string stringByTrimmingCharactersInSet NSCharacterSet whitespaceAndNewlineCharacterSet.. void parser NSXMLParser parser foundCharacters NSMutableString string currentNodeContent string stringByTrimmingCharactersInSet NSCharacterSet whitespaceAndNewlineCharacterSet End Element void parser NSXMLParser parser didEndElement NSString..