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2014/10/15 ¤U¤È 10:08:24

iphone Programming Glossary: enumerateobjectsusingblock

Images in Uiscroll cell populated by mysql database

http://stackoverflow.com/questions/10859728/images-in-uiscroll-cell-populated-by-mysql-database

request NSHTTPURLResponse response id JSON self.object removeAllObjects id results JSON valueForKeyPath @ ids results enumerateObjectsUsingBlock ^ id obj NSUInteger idx BOOL stop self.object addObject NSString stringWithFormat @ @ obj valueForKey @ item1 self.object2..

Sorting 2 NSArrays together side by side

http://stackoverflow.com/questions/12436927/sorting-2-nsarrays-together-side-by-side

arrayWithCapacity first.count NSMutableArray sortedSecond NSMutableArray arrayWithCapacity first.count p enumerateObjectsUsingBlock ^ id obj NSUInteger idx BOOL stop NSUInteger pos obj intValue sortedFirst addObject first objectAtIndex pos sortedSecond..

Rotate MapView using Compass orientation

http://stackoverflow.com/questions/1245461/rotate-mapview-using-compass-orientation

0 23 The anchor point for your pin mapView setTransform CGAffineTransformMakeRotation rotation mapView annotations enumerateObjectsUsingBlock ^ id obj NSUInteger idx BOOL stop MKAnnotationView view mapView viewForAnnotation obj view setTransform CGAffineTransformMakeRotation..

[CFNumber release]: message sent to deallocated instance

http://stackoverflow.com/questions/19469933/cfnumber-release-message-sent-to-deallocated-instance

NSError error nil NSArray records self.document.managedObjectContext executeFetchRequest request error error records enumerateObjectsUsingBlock ^ id obj NSUInteger idx BOOL stop NSLog @ @ History obj newFollowers Crash takes place here More logs with an exception..

iPhone (iOS): copying files from main bundle to documents folder error

http://stackoverflow.com/questions/3246109/iphone-ios-copying-files-from-main-bundle-to-documents-folder-error

then iterating through folder contents and copy each item separately. If you're targeting iOS4 you can use NSArray's enumerateObjectsUsingBlock function for that NSArray resContents NSFileManager defaultManager contentsOfDirectoryAtPath copyItemAtPath sourcePath error.. resContents NSFileManager defaultManager contentsOfDirectoryAtPath copyItemAtPath sourcePath error NULL resContents enumerateObjectsUsingBlock ^ id obj NSUInteger idx BOOL stop NSError error if NSFileManager defaultManager copyItemAtPath sourcePath stringByAppendingPathComponent..

How to perform DNS query on iOS

http://stackoverflow.com/questions/5000441/how-to-perform-dns-query-on-ios

find out why it failed if result TRUE addresses NSArray CFHostGetAddressing hostRef result if result TRUE addresses enumerateObjectsUsingBlock ^ id obj NSUInteger idx BOOL stop NSString strDNS NSString stringWithUTF8String inet_ntoa struct in_addr obj NSLog @ Resolved..

How to assign a variable inside a block to a variable outside a block?

http://stackoverflow.com/questions/7962721/how-to-assign-a-variable-inside-a-block-to-a-variable-outside-a-block

the block can access to the aPerson variable and the aPerson variable can be returned Person aPerson nil participants enumerateObjectsUsingBlock ^ id obj NSUInteger idx BOOL stop Person participant Person obj if participant.gender isEqualToString @ M aPerson participant..