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2014/10/15 ¤U¤È 10:13:08
iphone Programming Glossary: range.lengthOptimized Image Loading in a UIScrollView http://stackoverflow.com/questions/1098234/optimized-image-loading-in-a-uiscrollview void unloadImages NSRange range UIScrollView scrollView UIScrollView self.view subviews objectAtIndex 0 for int i 0 i range.length range.location i scrollView.subviews count i UIView subview scrollView.subviews objectAtIndex range.location i if subview.. void loadImages NSRange range UIScrollView scrollView UIScrollView self.view subviews objectAtIndex 0 for int i 0 i range.length range.location i scrollView.subviews count i UIView subview scrollView.subviews objectAtIndex range.location i if subview..
http://stackoverflow.com/questions/1246439/uitextfield-for-phone-number stringWithFormat @ @ @ textField.text string if it's the phone number textfield format it. if textField.tag 102 if range.length 1 Delete button was hit.. so tell the method to delete the last char. textField.text self formatPhoneNumber totalString..
Control cursor position in UITextField http://stackoverflow.com/questions/1500233/control-cursor-position-in-uitextfield input beginningOfDocument offset range.location UITextPosition end input positionFromPosition start offset range.length input setSelectedTextRange input textRangeFromPosition start toPosition end For example to place the cursor at idx in the..
Get all days of any month with objective-c http://stackoverflow.com/questions/1731322/get-all-days-of-any-month-with-objective-c
Non US characters in section headers for a UITableView http://stackoverflow.com/questions/2167857/non-us-characters-in-section-headers-for-a-uitableview decomposedString rangeOfCharacterFromSet nonBaseSet options NSBackwardsSearch range NSMakeRange 0 range.location if range.length 0 break decomposedString deleteCharactersInRange range return decomposedString autorelease I found this code on a mailing..
Set UITextField Maximum Length [duplicate] http://stackoverflow.com/questions/2523501/set-uitextfield-maximum-length string NSUInteger oldLength textField.text length NSUInteger replacementLength string length NSUInteger rangeLength range.length NSUInteger newLength oldLength rangeLength replacementLength BOOL returnKey string rangeOfString @ n .location NSNotFound..
How to simulate the delete key on UITextField? http://stackoverflow.com/questions/3007911/how-to-simulate-the-delete-key-on-uitextfield @ NSLog @ Backspace Pressed NSMutableString text textField.text mutableCopy NSLog @ Length d Location d range.length range.location if range.length 0 text deleteCharactersInRange range if range.length 0 range.location 0 NSRange backward.. Pressed NSMutableString text textField.text mutableCopy NSLog @ Length d Location d range.length range.location if range.length 0 text deleteCharactersInRange range if range.length 0 range.location 0 NSRange backward NSMakeRange range.location 1.. NSLog @ Length d Location d range.length range.location if range.length 0 text deleteCharactersInRange range if range.length 0 range.location 0 NSRange backward NSMakeRange range.location 1 1 NSLog @ Length d Location d backward.length backward.location..
How to get matches in iOS using regular expression? http://stackoverflow.com/questions/4184845/how-to-get-matches-in-ios-using-regular-expression if range.location NSNotFound return nil NSLog @ @ string substringWithRange NSRange range.location range.length It will give me the total string back stackoverflow.html but I am only interested in that whats in . . I want to get 'overflow'.. 5 NSInteger secondPartLength 5 NSLog @ @ string substringWithRange NSRange range.location firstPartLength range.length firstPartLength secondPartLength It gives me the propert result 'overflow'. But the problem is in many cases I dont know..
Set the maximum character length of a UITextField http://stackoverflow.com/questions/433337/set-the-maximum-character-length-of-a-uitextfield NSRange range replacementString NSString string NSUInteger newLength textField.text length string length range.length return newLength 25 NO YES Before the text field changes the UITextField asks the delegate if the specified text should.. When typing in a single character at the end of a text field the range.location will be the current field's length and range.length will be 0 because we're not replacing deleting anything. Inserting into the middle of a text field just means a different..
Sorting an NSArray like the MPMediaPickerController/iPod Library http://stackoverflow.com/questions/4707892/sorting-an-nsarray-like-the-mpmediapickercontroller-ipod-library compare @ the options NSAnchoredSearch NSCaseInsensitiveSearch range NSMakeRange 0 4 NSOrderedSame range.location 4 range.length range.location NSCharacterSet lettersSet NSCharacterSet letterCharacterSet NSUInteger letterOffset str rangeOfCharacterFromSet.. letterOffset NSNotFound return NSString stringWithString str letterOffset range.location range.location letterOffset range.length letterOffset return str substringWithRange range @end In addition to the removing the leading articles from the string it..
http://stackoverflow.com/questions/6852012/what-is-an-easy-way-to-break-an-nsarray-with-4000-objects-in-it-into-multiple-a j MIN 30 itemsRemaining NSArray subarray stuff subarrayWithRange range arrayOfArrays addObject subarray itemsRemaining range.length j range.length The MIN 30 i takes care of that last array that won't necessarily have 30 items in it. share improve this..
textField:shouldChangeCharactersInRange:replacementString: http://stackoverflow.com/questions/7531834/textfieldshouldchangecharactersinrangereplacementstring NSRange range replacementString NSString string NSUInteger newLength textField.text length string length range.length return newLength 10 NO YES static NSCharacterSet charSet nil if charSet charSet NSCharacterSet characterSetWithCharactersInString.. NSRange range replacementString NSString string NSUInteger newLength textField.text length string length range.length return newLength 10 NO YES unreachable So you are just checking the length but not whether the input is numerical. Change..
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