머라카노?

# pragma clang diagnostic push -- 추가

# pragma clang diagnostic ignored "-Warc-performSelector-leaks" -- 추가

  실행 코드

  [target performSelector:callBack withObject:dataToString];

#  pragma clang diagnostic pop -- 추가

해당 구문을 추가하면 워링경고창이 사라진다

performselector may cause a leak because its selector is unknown 에러는 말그대로 셀럭터를 못찾는다는 뜻

UIView *view;

view.clipsToBounds = YES

NSString *date = @"";

NSDateFormatter *formatter = [[NSDateFormatter alloc] init];

NSDate *now = [NSDate date];

[formatter setDateFormat:@"yyyy-MM-dd hh:mm:ss"];

date = [formatter stringFromDate:now];

NSLog(date);

<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0. user-scalable=no," />

#import "ViewController.h"

@implementation ViewController

- (void)viewDidLoad

{

    [super viewDidLoad];

// Do any additional setup after loading the view, typically from a nib.

    NSString *mUrl = @"http://mrkn.tistory.com";

    [WebDisp loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:mUrl]]];

// 여기서 부터 추가하시면 됩니다.

    [[[WebDisp subviews] lastObject] setScrollEnabled:NO];

    for(id subviews in WebDisp.subviews)

    {

        if([[subviews class] isSubclassOfClass:[UIScrollView class]])

        {

            ((UIScrollView *)subviews).bounces = NO;

        }

    }

}