A quick lesson in avoiding “corrupt preferences” bugs…

CODE:

NSUserDefaults* ud = [NSUserDefaults standardUserDefaults] ;
NSLog(@"safely: %@", [ud stringForKey:@“myDataObject"]) ;
NSLog(@"unsafe: %@", [[ud objectForKey:@"myDataObject"] stringValue]) ;

CONSOLE OUTPUT:

safely: (null)
-[__NSCFData stringValue]: unrecognized selector sent …



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