i am working with a service that have both a websocket for live data and a api for historical data the JSON looks similar and i would like to decode it to the same object the only difference is that…
I am getting some coordinates from server in string array. And I am trying to save those coordinates in SQLite Database by splitting and converting them to double value. But some coordinates are getting saved in scientific notations. For example…
I'd like to be notified the moment all Combine publishers have done their work like DispatchGroup and .notify do. For example, at the below codes, I want to show ProgressView while publishers(pub1, pub2) doing their job. import Combine import Foundation…
While testing my app to make sure it behaves properly under screen rotations, I discovered that navigation links do not work after a certain sequence of rotations. The following is a MWE: struct ContentView: View { var body: some View…
I have an entity named Item. I have an export function that exports all Items to CSV. So name, weight, quantity and etc is all exported correctly. The purpose of this is to save the data so that it may…
Starting in iOS13, one can monitor the progress of an OperationQueue using the progress property. The documentation states that only operations that do not override start() count when tracking progress. However, asynchronous operations must override start() and not call super()…
I want to create cell with rounded corner radius and shadow. The problem is that my content view doesn't clip to bounds and leave empty spaces in corners class CollectionViewCell: UICollectionViewCell { override func awakeFromNib() { super.awakeFromNib() setupView() } func…
I am sure this has been answered somewhere, but I am not sure what to search for. I am in the early stages of a simple BLE iOS app and trying to work out how to transfer the incoming BLE…
I want to create UIImage(urlString: String?). There is no error when I run this code but it is not working. extension UIImage { convenience init?(urlString: String?) { var imageData = Data() guard let urlString = urlString else { return nil}…
I intended to display data from my Firestore Database into my app using the TableViewCell. It supposed to show the bookTitle, bookAuthor and bookSummary but the bookAuthor does not show up. Below is my code. func tableView(_ tableView: UITableView, cellForRowAt…