I am trying to implement upload mechanism for my application. However, I have a concurrency issue I couldn't resolve. I sent my requests using async/await with following code. In my application UploadService is creating every time an event is fired…
I'm trying to use the .find() method in mongodb. The output yeilds a mongodb::Cursor. I'm unable to convert the cursor into a vector so that I can wrap them in a json and send it to my front-end. This is…
We'd like to make use of the @MainActor Annotation for our ViewModels in an existing SwiftUI project, so we can get rid of DispatchQueue.main.async and .receive(on: RunLoop.main). @MainActor class MyViewModel: ObservableObject { private var counter: Int init(counter: Int) { self.counter…
In my useEffect I try to get a user id token and when I have this token, I fetch data from my server with the token as authorization header. With the data I fill some highcharts options and render a…
Environment: Swift 5, Xcode 14, iOS 15, UIKit (NOT SwiftUI) I have a long-running async task which I execute in a Task block: Task { () -> () in do { for z in arrayData{ if killTask { // an…
I am writing a lyrics app, that saves a song book and the songs in that book to an SQL lite database. I am mapping through an array of books and calling an API to save the book's songs. I…
i am adding await and concurrency methods to my existing project and ran into some strange behaviours which i am unable to debug because they don't happen each and every time, just randomly sometimes, somewhere down the road (inside buildDataStructureNew)…
I need to call multiple async functions to complete a user login in my React Native app. The problem is, my login is dispatched before these async functions complete, and the home screen is loaded before the data from my…
I am trying to get data from AsyncStorage and eventually map this data to a list of buttons on my home screen. The data is saved to AsyncStorage from an API call that is made upon login. In my async…
I was reading google SRE book chapter on handling overload : https://sre.google/sre-book/handling-overload/ They mention: An interesting part of the puzzle is computing in real time the amount of resources—specifically CPU—consumed by each individual request. This computation is particularly tricky for…