Questions tagged [async-await]
This covers the asynchronous programming model supported by various programming languages, using the async and await keywords.
async-await
27,354
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Why does Meziantou.Analyzer suggest me to await GetManifestResourceStream?
Meziantou.Analyzer tells me to add an await in front of GetManifestResourceStream with info MA0042
Neither GetExecutingAssembly nor GetManifestResourceStream return a Task or Task. So why can I await ...
- 573
-2
votes
0
answers
54
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Why can await Task.Delay(1) block? [closed]
I hit a bug recently where the following call blocks:
await Task.Delay(1);
I clearly don't understand something about async/await because I assumed if my code is executing to the point it makes this ...
- 31.7k
2
votes
2
answers
85
views
Different thread with async/await
I've heard a lot about how a new thread is not created with async await. I decided to check what would happen if there was an while(true) in the main function and the asynchronous function.
namespace ...
- 39
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0
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33
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TCP Client NetworkStream ReadAsync Hanging
I am trying to implement TCP communication in a Windows Form App. The user clicks a button and a command is sent successfully, but I am having trouble getting the result of the command back using ...
- 91
2
votes
1
answer
23
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How to use the retry from Rxjs to my await function?
I have to return an await function from my code block, now when the await function is called and failed on the first try, I want to retry it again and if it failed on the second time.. I will show an ...
- 49
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2
answers
62
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Using async/await with a service call
I'm having trouble understanding how to use async/await in this scenario. I have a function GetAdditionalProducts() that calls a service and returns a result. I call that function elsewhere where I ...
- 1,761
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votes
1
answer
43
views
Why block catch() doesn't catch error, when I use "for await" cycle
The block catch(err){} in promiseAll function doesn't catch error.
const promiseAll = async (promises) => {
const result = [];
try {
for await (let element of promises) {
result.push(...
- 1
1
vote
0
answers
27
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+50
How to immediately cancel an Asyncio Task that uses the Ollama Python library to generate an answer?
I'm using Ollama to generate answers from large language models (LLMs) with the Ollama Python API. I want to cancel the response generation by clicking the stop button. The problem is that the task ...
- 48
0
votes
1
answer
21
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How to do self-contained Lazy Initialization using async/await
I am trying to initialize a class asynchronously using dependency injection. I have seen this article https://blog.stephencleary.com/2013/01/async-oop-2-constructors.html
but I am trying to initialize ...
- 333
0
votes
1
answer
61
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Consider the last promise in a chain for Resolve.all
I want to export HTML content from Confluence pages. Those can contain <img> tags with src attributes that are just usual hyperlinks. Since I want to export those as well I decided to replace ...
- 881
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19
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Can I use a third-party library's blocking API on a Vert.x vertices that use virtual threads as their threading model?
Vert.x 4.5 has introduced the feature of virtual threads. In the official example code, the Future.await method is used to wait for synchronous results. I would like to know if I can avoid using this ...
- 89
-1
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0
answers
25
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Multithreading for Async function resulting into error in C# [duplicate]
I am new to this C# language.
I have function in which I need to call an async function multiple times on separate thread. After the debugger hits WaitAll() or WhenAll() both are giving me below ...
1
vote
2
answers
42
views
'await' in nested sub-function does not wait, only top-level function's 'await' waits
There is a thread on this which didn't really answer my question and doesn't offer any practical solutions.
I have a function that involves await and, depending on a condition in the result, it calls ...
- 11.5k
0
votes
1
answer
52
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await Task.Delay(1) in OnInitializedAsync() never returning
This is in code that has been running fine for months. No changes. And all pages except 1 come up fine. But this one page, which has:
protected override async Task OnInitializedAsync()
{
await ...
- 31.7k
-3
votes
0
answers
36
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Fetch Api Call - JavaScript [duplicate]
How to use sync and await during fetch call in Javascript.
I have a separate JS file like 'APIService.js' which used fetch api to external Url.
function APIService(){
this.getData = asyn function(...
- 818