ardarda

// with the help of: https://gist.github.com/phpmaple/9458264

extension UIButton {
    func centerImageAndButton(_ gap: CGFloat, imageOnTop: Bool) {
        
        guard let imageView = self.imageView,
            let titleLabel = self.titleLabel else { return }
        
        let sign: CGFloat = imageOnTop ? 1 : -1;
        let imageSize = imageView.frame.size;

ardarda

import UIKit

extension UIView {
    var superviews: UnfoldFirstSequence<UIView> {
        return sequence(first: self) { view in view.superview }
    }

    func enclosingView(where predicate: (UIView) -> Bool) -> UIView? {
        return superviews.first(where: predicate)
    }

ardarda

#!/bin/bash
#####################################################
# Name: Bash CheatSheet for Mac OSX
# 
# A little overlook of the Bash basics
#
# Usage:
#
# Author: J. Le Coupanec
# Date: 2014/11/04

ardarda

@interface YourViewController : UIViewController <UITableViewDelegate, UITableViewDataSource> {
    UIImageOrientation scrollOrientation;
    CGPoint lastPos;
}

- (void) tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath {
    if (tableView.isDragging) {
        UIView *myView = cell.contentView;
        CALayer *layer = myView.layer;
        CATransform3D rotationAndPerspectiveTransform = CATransform3DIdentity;

ardarda

// add child view
    UIViewController* controller = [self.storyboard instantiateViewControllerWithIdentifier:@"test"];
    [self addChildViewController:controller];
    controller.view.frame = CGRectMake(0, 44, 320, 320);
    [self.view addSubview:controller.view];
    [controller didMoveToParentViewController:self];

// remove child view
    UIViewController *vc = [self.childViewControllers lastObject];
    [vc.view removeFromSuperview];