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a guest Jun 15th, 2019 55 Never
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  1. NSMutableArray* names = [NSMutableArray arrayWithObjects:@"Andy", @"Bart", @"Bob", nil];
  2. NSPredicate* predicate = [NSPredicate predicateWithFormat:@"SELF beginswith[c] 'b'"];
  3. NSArray* namesStartingWithB = [names filteredArrayUsingPredicate: predicate];
  4.      
  5. [picker reloadAllComponents];
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