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-(float)sizeContentHeight:(NSString *)content{ CGSize size = CGSizeMake(self.view.bounds.size.width-78, NSIntegerMax); NSDictionary *dict = @{NSFontAttributeName: [UIFont systemFontOfSize:14]}; CGRect rect = [content boundingRectWithSize:size options:NSStringDrawingUsesLineFragmentOrigin attributes:dict context:nil]; return rect.size.height;}