I am trying to test some code on Xcode playground. I am receiving the following error: 'Failed to prepare for communication with playground for an unknown reason.' When I press the play button nothing happens - I have copied the…
I would love to get help on this one since I've been on it for a while. So I fetch my Sections like this and they all get in the right order, but the relationship "Todoitem" they have do not…
Good day everyone I want to create a function that takes an array of strings and return an array, sorted from shortest to longest but I'm getting a terminated by signal 4 error. I'm using an online swift compiler on…
What is the difference between deep copy and shallow copy on iOS world?? Please answer to this question very detailized!! e.g a piece of code class A { var name: String init(name: String) { self.name = name } } var…
I am trying to decode an api response that just responds with an array. All the examples I see for using responseDecodable are a dictionary with a data key or something. But when I just pass [Movie].self into as the…
Problem Want to perform operation BitwiseAND(UIImage1, UIImage2) this is function of OpenCV framework. UIImage1 is already presented in MainVC: @IBOutlet weak var presentedImage: UIImageView! So, UIImage2 must be picked additionally, whenever user wants it. Worth to mention : @IBOutlet weak…
I'm trying to make Zip two Publishers with two different functions, but it's not working as expected. I have a chance to one may failure and one success. but even one is successful I'm not getting a successful response in…
I have a collectionviewcell with multiple textfields, pictures and labels together. The data is dynamically added, which can have shorter or longer labels and pictures making each cell of collectionview having different height and width. I want to measure the…
I want to call table.reloadData() when I dismiss my UIAlertController. But I don't know how to do it. I tried putting table.reloadData() in ViewController's viewWillAppear but it doesn't work because Alert's modalPresentationStyle cannot be changed. I'm presenting alertController like so:…
I want to place a Custom UIView over every view controller screen. I want to do this to show the download progress of video. I create a custom view using xib and use this code -: let window = UIApplication.shared.keyWindow!…