Ksen17

import UIKit

extension UITextField {
  func placeholder() -> UILabel? {
    for subview in $0.subviews {
      if let label = subview as? UILabel {
          return label
      }
    }
    return nil

Ksen17

import Foundation

extension Date {
  
   static func isSameDay(date1: Date, date2: Date) -> Bool {
        let diff = Calendar.current.dateComponents([.day], from: date1, to: date2)
        if diff.day == 0 {
            return true
        } else {
            return false

Ksen17

import UIKit

extension UIColor {
    convenience init(hexString: String) {
        let hex = hexString.trimmingCharacters(in: CharacterSet.alphanumerics.inverted)
        var int = UInt32()
        Scanner(string: hex).scanHexInt32(&int)
        let a, r, g, b: UInt32
        switch hex.count {
        case 3: // RGB (12-bit)

Ksen17

import UIKit

class MyAwesomeClass: NSObject {
    var a = "test"
}

var myClass = MyAwesomeClass()

var pointer = Unmanaged.passUnretained(myClass).toOpaque()

Ksen17

import turicreate as tc
#Here you should put path to images which already contains styles
style = tc.load_images('style/')
#Here you should put path to images which is used for train 
content = tc.load_images('content/')
#Main function which train model| max_itearation should be find experimentaly
model = tc.style_transfer.create(style, content, max_iterations=50)
#Here you should put path to images which is used for test
test_images = tc.load_images('test/')
#Testing