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Why parent task finishes before his children tasks?

By : Кирилл Мышьяков
Date : July 30 2020, 04:00 AM
like below fixes the issue I think, I found a reason: "Parent tasks implicitly prevent child tasks from attaching to them if they are created by calling the Task.Run method." So, I shouldn't use Task.Run(), I should use Task.Factory.StartNew() instead.
code :

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Asynchronous parent task with synchronous children tasks

By : user5235760
Date : March 29 2020, 07:55 AM
Hope that helps Using C# 5 async-await, this would be quite simple: run the code that needs to run on the background thread using Task.Run() and then await the Task, to asynchronously wait for it to complete and resume on the UI thread:
code :
private async Task GetAll()
    if (_refreshA)
        collA = new ObservableCollection(await Task.Run(() => GetA<A>()));
        _refreshA = false;

    if (_refreshB)
        collB = new ObservableCollection(await Task.Run(() => GetB<B>(param)));
        _refreshB = false;

    if (_refreshC)
        collC = new ObservableCollection(await Task.Run(() => GetC<C>()));
        _refreshC = false;

Don't know how to build task -- for parent task that calls other tasks

By : Angela Carter-Lowe
Date : March 29 2020, 07:55 AM
may help you . You're not passing arguments to the rake task correctly. See How to pass command line arguments to a rake task
Specifically, right here:
code :
Rake::Task["fetch_and_create_snippets"].invoke(repo, path, entry_id, framework_id, method_name)

Random tasks from Task.Factory.StartNew never finishes

By : Elias Rodriguez
Date : March 29 2020, 07:55 AM
will be helpful for those in need It is hard to say what the issues is without the rest if the code, but you code can be simplified by making ProcessJob synchronous and then calling Task.Run with it.

How can I ensure that sub-tasks of a Celery task go into the same queue as the parent task?

By : Simon van Woerden
Date : March 29 2020, 07:55 AM
wish help you to fix your issue I found that the queue information is available via current_task.request.delivery_info['exchange'].
So, the solution I ended up using is as follows:

Task.WaitAny when there are multiple tasks that finishes at the same time

By : Rupert
Date : March 29 2020, 07:55 AM
To fix the issue you can do
If only one index is returned, how do I handle other tasks that completes at the same time?
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