cotkjaer

extension CGRect
{
    /** Creates a rectangle with the given center and dimensions
    - parameter center: The center of the new rectangle
    - parameter size: The dimensions of the new rectangle
     */
    init(center: CGPoint, size: CGSize)
    {
        self.init(x: center.x - size.width / 2, y: center.y - size.height / 2, width: size.width, height: size.height)

rickbdotcom

// need to define these inits so you can instantiate a dummy object in code (and coder init is required as well)
class ArrayTableViewController<T>: UITableViewController {
       init() { super.init(style: .Plain) }
       required init?(coder aDecoder: NSCoder) { super.init(coder:aDecoder) }

class OffersTableViewController: ArrayTableViewController<Offer> {
       required init?(coder aDecoder: NSCoder) { super.init(coder:aDecoder) }
       override init() { super.init() }

// then instantiate a dummy object