minsOne

UIButton *button = (UIButton *)sender;
    button.transform = CGAffineTransformMakeScale(1.2, 1.2);
    [UIView animateWithDuration:0.2 animations:^{
        button.transform = CGAffineTransformMakeScale(1.0, 1.0);
    } completion:^(BOOL finished) {

    }];

minsOne

UIViewController *mainViewController = [[[UIApplication sharedApplication] keyWindow] rootViewController];
while (mainViewController.presentedViewController != nil) {
    mainViewController = mainViewController.presentedViewController;
}
[mainViewController presentViewController:kidsLockViewController animated:YES completion:nil];

minsOne

- (void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath
{
    cell.contentView.backgroundColor = [UIColor clearColor];
    UIView *whiteRoundedCornerView = [[UIView alloc] initWithFrame:CGRectMake(10,10,300,70)];
    whiteRoundedCornerView.backgroundColor = [UIColor whiteColor];
    whiteRoundedCornerView.layer.masksToBounds = NO;
    whiteRoundedCornerView.layer.cornerRadius = 3.0;
    whiteRoundedCornerView.layer.shadowOffset = CGSizeMake(-1, 1);
    whiteRoundedCornerView.layer.shadowOpacity = 0.5;
    [cell.contentView addSubview:whiteRoundedCornerView];

minsOne

- (NSString *)encodeURL:(NSString *)url {
    NSString * encoded = (__bridge NSString *)CFURLCreateStringByAddingPercentEscapes(
                                                                                      NULL,
                                                                                      (__bridge CFStringRef)url,
                                                                                      NULL,
                                                                                      (CFStringRef)@"!*'();:@&=+$,/?%#[]",
                                                                                      kCFStringEncodingUTF8);
    return encoded;
}

minsOne

UIViewController willRotateToInterfaceOrientation:duration:] 
[UIViewController viewWillLayoutSubviews]
[UIView layoutSubviews] 
[UIViewController viewDidLayoutSubviews]
[UIViewController willAnimateRotationToInterfaceOrientation:duration:]
[UIViewController shouldAutorotateToInterfaceOrientation:]
[UIViewController didRotateFromInterfaceOrientation:]

And when presenting a view controller we get the following:
[UIViewController loadView]

minsOne

    NSLog(@"%@", [UIPasteboard generalPasteboard].string);
    [[UIPasteboard generalPasteboard] setString:@"google.com"];
    NSLog(@"%@", [UIPasteboard generalPasteboard].string);
    [UIPasteboard generalPasteboard];

minsOne

- (NSArray *)bubbleSort:(NSMutableArray *)unsorted comparator:(NSComparator)comparator
{
    BOOL done = false;
    
    while (!done) {
        done = true;
        for (int i = 1; i < unsorted.count; i++) {
            if (comparator( [unsorted objectAtIndex:i-1], [unsorted objectAtIndex:i] ) == NSOrderedDescending ) {
                [unsorted exchangeObjectAtIndex:i withObjectAtIndex:i-1];
                done = false;                

minsOne

/*
 RaceCondition using GCD in Objective-C
 localCountLabel and globalCountLabel increment 1, 5 through each Thread
*/

__block NSUInteger localCount1, localCount2, localCount3, globalCount;
UILabel *localCountLabel1, *localCountLabel2, *localCountLabel3, *globalCountLabel;

localCountLabel1 = [[UILabel alloc]init];
localCountLabel2 = [[UILabel alloc]init];

minsOne

NSString *str = @"Hello,World";

NSString *fowardStr = @"";
NSString *behindStr = @"";

for (NSInteger i = str.length/2-1; i >= 0; i--) {
    NSLog(@"Foward : %c", [str characterAtIndex:i]);
    fowardStr = [fowardStr stringByAppendingString:[NSString stringWithFormat:@"%c", [str characterAtIndex:i]]];
}

minsOne

protocol Coffee {
    func getCost() -> Double
    func getIngredients() -> String
}

class SimpleCoffee: Coffee {
    func getCost() -> Double {
        return 1.0
    }
    func getIngredients() -> String {