class _HomeViewState extends State<HomeView> { late UserInfo currentUser; @override void didChangeDependencies() async { super.didChangeDependencies(); await dbService.getUserInfo(uid).then((value) { setState(() { currentUser = value!; }); }); } @override Widget build(BuildContext context) { return Scaffold( body: ListView( children: [ Container( child: currentUser != null ? welcomeText(currentUser) : const Center( child: CircularProgressIndicator(), ), ), … Why is it not… Read More Initializing state of late variables in flutter

I’m new to node,js,typescript and NPM as a whole, I need a certain funtionality in a discord bot I’m building and only sdk I found to get it is in typescript which is a whole new world for me, I’m trying to read a file using fs.readFile here is the code: import { readFile }… Read More why is fs.readFile returning void in node.js

I’m working with node and mongo. I’m trying to run a series of parallel requests using a netlify serverless function which I’m trying to create build using mongo records. So far I have: paralellNum = 2; const filter = { ‘Parcel’: { $regex: ‘[0-9]’ }, ‘UseCode’: { $exists: false } }; let records = await… Read More Unexpected promise instead of array

I need to run some async tasks which result I never gonna use anywhere and I don’t care when it will be finished. For example, I might need my Discord client to respond on some command like this: // .command await StartLongAsyncTaskThatMayTakeForeverToCompleteAndSay("I’m late"); await Context.Message.ReplyAsync("Immediately say hi")); // => "Immediately say hi" // *few seconds… Read More Proper way to "fire and forget" async Tasks or run it in background

I’m trying to search for all activities however the code appears to return an empty array of activities before it finishes searching all Course model instances with unexpected asynchronicity in the code. const express = require("express"); const router = express.Router(); const Activity = require("../../models/Activity"); const Course = require("../../models/Course"); router.get("/:user_id", (req, res) => { Course.find({ subscribers:… Read More Unexpected asynchronicity in NodeJS

I still meet issues calling async functions. In that code, I execute generateAllIfcs(dataFolder), then I would like to execute already addToExistingContract() or this.importNewContract() depending on contexte.SourceContract. But this line is not reached until generateAllIfcs(dataFolder) is finished. private async void Import(object sender, RoutedEventArgs e) { Task<bool> successGenerateIfc = this.generateAllIfcs(dataFolder); Task<bool> successAddContractToVsteel = contexte.SourceContract != null ?… Read More async function not launching asynchronously

i have this code that shows the data on console but how can i display the data of all 3 apis at the same time on the page using react app .JSX using .map ? (async () => { try { const urls = [ "https://api.chucknorris.io/jokes/random&quot;, "https://api.chucknorris.io/jokes/random&quot;, "https://api.chucknorris.io/jokes/random&quot;, "https://api.chucknorris.io/jokes/random&quot;, ]; const requests = urls.map((url) =>… Read More display async api request on react js

I am trying to create a function which displays numbers 1 to 10 and prints each number by delay. Like print 1 after 1 second, 2 after 2 seconds upto 10. Also have to print start and end before the number printing and after. Trying to create a promise and use async await to achieve… Read More How to handle asynchronous call in javascript – print numbers with delay using promises

In this article https://riptutorial.com/javascript/example/7746/looping-with-async-await I read that we wait on every iteration of "for of" loop, but after I checked it in codesandox I realized that all the promises start being executed simultaniously, so the loop doesnt stop on every iteration, but the code inside every iteration stops. Does this article have incorrect info? Screenshot… Read More Does "for of" loop in javascript stop until receiving value from "await" on every iteration?

I make an xdr call to return data for a webpage, this includes table with some rows of data, I only retrieve a few rows so that it loads quickly, I then use var data = document.getElementById("data"); data.innerHTML = xhr.responseText; to replace the placeholder element with the data Then I made second call thats get… Read More How do I use innerHtml or appendChild() to add multiple rows to a table from an xdr call