How to sort an array of dates in descending order

Question

I have a NSDictionary that parsed to an array one of the element is date, i tried using [startimeArray sortUsingSelector:@selector(compare:)]; (starttimeArray)

Answer 1

There is the swift solution for the checked solution :

let sortedArray = randomArray.sortedArrayUsingComparator { (d1, d2) -> NSComparisonResult in
    return (d1 as! NSDate).compare(d2 as! NSDate)
}