zld

[self.navigationController.navigationBar setShadowImage:[UIImage new]];

zld

- (void)scrollViewDidScroll:(UIScrollView *)scrollView
{
    CGFloat offsetY = scrollView.contentOffset.y;
    if (offsetY < 0) {
        [scrollView setContentOffset:CGPointMake(0, 0) animated:NO];
    }
}

zld

+ (BOOL)isJailbroken {
    BOOL jailbroken = NO;
    NSString *cydiaPath = @"/Applications/Cydia.app";
    NSString *aptPath = @"/private/var/lib/apt/";
    if ([[NSFileManager defaultManager] fileExistsAtPath:cydiaPath]) {
        jailbroken = YES;
    }
    if ([[NSFileManager defaultManager] fileExistsAtPath:aptPath]) {
        jailbroken = YES;
    }

zld

self.tableView.contentInset = UIEdgeInsetsMake(-35, 0, 0, 0);

zld

- (UIViewController *)topViewController{
    return [self topViewController:[UIApplication sharedApplication].keyWindow.rootViewController];
}

- (UIViewController *)topViewController:(UIViewController *)rootViewController
{
    if (rootViewController.presentedViewController == nil) {
        return rootViewController;
    }
    

zld

    for (UITabBarItem* item in self.tabBarController.tabBar.items)
    {
        [item setTitlePositionAdjustment:UIOffsetMake(0, -3)];
    }

zld

#define ZLDWeak(agWeak,obj) __block __unsafe_unretained typeof (&*obj) agWeak = obj

zld

#define PASS_NULL_TO_NIL (instance)(([instance isKindOfClass:[NSNull class]]) ? nil : instance)

zld

UIImage *image = ...;

//Have the image draw itself in the correct orientation if necessary
if(!(image.imageOrientation == UIImageOrientationUp ||
    image.imageOrientation == UIImageOrientationUpMirrored))
{
    CGSize imgsize = image.size;
    UIGraphicsBeginImageContext(imgsize);
    [image drawInRect:CGRectMake(0.0, 0.0, imgsize.width, imgsize.height)];
    image = UIGraphicsGetImageFromCurrentImageContext();

zld

-(CGFloat)tableView:(UITableView*)tableView heightForHeaderInSection:(NSInteger)section
{
    if(section == 0)
        return 6;
    return 1.0;
}

-(CGFloat)tableView:(UITableView*)tableView heightForFooterInSection:(NSInteger)section
{
    return 5.0;