fromkk

import UIKit
import PlaygroundSupport

protocol WaterfallLayoutDelegate: AnyObject {
        func numberOfColumns() -> Int
        func columnsSize(at indexPath: IndexPath) -> CGSize
        func columnSpace() -> CGFloat
}

final class WaterfallLayoutViewController: UIViewController, UICollectionViewDataSource {

asoorm

version: "3"
services:
  mongo1:
    hostname: mongo1
    container_name: localmongo1
    image: mongo:4.0-xenial
    expose:
    - 27017
    ports:
      - 27011:27017