I am seeing an unexpected output when running some functions using async/await which I can't work out. The code looks like: const delayToRun = async() => { console.log('first delay'); let p = await new Promise((resolve, reject) => { setTimeout(() =>…
Function with async: export async function getPostData(id) { const fullPath = path.join(postsDirectory, `${id}.md`); const fileContents = fs.readFileSync(fullPath, 'utf8'); const matterResult = matter(fileContents); return { id, ...matterResult.data, }; } Function without async: export function getPostData(id) { const fullPath = path.join(postsDirectory, `${id}.md`);…
I have an object with multiple properties and a few of them contain promises. Now i want to wait until every promise is resolved and then the properties should contain the value of the promise This is what i have…
I have seen a lot of different things about redis, rabbitmq, kafka etc. but even with that I don't really understand what would be the best use in my case. I have a flask app that will be deployed. In…
I have an axios function, which I want to call several times, then I want to firstly sort received data and then store it. But now all my promises results are undefined. const arr = {...checkbox}; const keys = Object.keys(arr).filter((k)=>{…
Am trying to create a custom asynchronous function asyncFunc in Nodejs that behaves like built in asynchronous JavaScript functions such as setTimeout. However, the function behaves like a synchronous function. function asyncFunc(i, n){ return new Promise(function(resolve, reject){ // while loop…
. Hello, with the help of the following code, I try to retrieve a table of "Etablissement" via asynchronous queries. The last line is underlined in red with this message: Type 'Promise<(string[] | undefined)[]>' is missing the following properties from…
Using Task.Run causes "object disposed" exception in my application if using DbContext. The code looks like (see the whole chain): UserController.cs [Route("api/[controller]")] public class UsersController : ControllerBase { private readonly UserService userService; /// <summary> /// </summary> /// <param name="userService"></param> public…
I check some similar topics regarding this, but couldn't find a solution to my problem. I created a FutureBuilder on my Home screen, because I want to use the result of an asynchronous function (that reads a JSON) to build…
In this Flutter app, I want to build a list of items with thumbnails that are stored as file names in the database. The files are stored inside the application's directory and only the name is saved in the database.…