Questions tagged [asynchronous-programming]
The asynchronous-programming tag has no summary.
185 questions
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Best way to add asynchronous execution for already implemented synchronous process
I have a complex process implemented in Java Spring microservice.
Currently this process is triggered on user request and it is synchronously executed.
This often results in a gateway timeout.
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CommunityBot
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How is async implemented natively?
How is async logic implemented natively without threads? What would be the high level structure of the system?
Is it just a separate OS thread that gets and pushes requests and results in 2 queues?
I ...
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Expensive constructors. Should they exist? Should they be replaced?
Suppose I have a constructor that performs an expensive IO operation that takes a noticeable amount of time. I don't like it for a few reasons (first of all, it's simply wrong, but there are practical ...
CommunityBot
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What does it mean to be "truly" asynchronous?
Reading the Proactor pattern paper, specifically this part:
I/O Completion Ports in Windows NT: The Windows NT operating system implements the Proactor pattern. Various Asynchronous Operations such ...
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Not await an asynchronous method because it is like an endless loop - good practice?
I inherited a piece of software. This program is connected to an external hardware, which is a measurement device. Every 100 milliseconds, a value is read from this device and displayed to the user. ...
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How can I code synchronous programs in Node?
I'm a career programmer, very comfortable writing programs in Python, and recently started learning Node.
I understand the asynchronous features are useful in many situations, but when I debug my code,...
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Purpose of async/await in web servers
I don't understand why I keep seeing async/await recommended (or sometimes, even enforced) for ASP.NET Core web applications and APIs.
As far as I can tell, every request is already being run on a ...
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Purpose of async/await in web servers when stuck with legacy I/O
A couple days ago I asked about the Purpose of async/await in web servers, and got in-depth answers explaining how in fully asynchronous code, it frees up the CPU completely while also releasing the ...
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In Java's Fork/Join is the operation for combining results limited to addition?
As I understand it, the join() method merge/composes/combines the results from all subtasks. A simple example I saw was summing the numbers from 1 to N and the subtasks would simply sum a range of ...
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How to structure your Python code with asynchronous and synchronous parts
I have a Python FastAPI server application which naturally guides you towards the asynchronous paradigm.
For legacy reasons, I have to support two backends, one which is purely synchronous and one ...
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Return function after kicking off background process
I have a process in golang that I want to kickoff through a RPC call but then have the function return early whilst the process continues in the background. Specifically it’s just a basic db transfer ...
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Who did async/await first?
Python added the async/await constructs in 3.5 in 2015. The Javascript community made steps towards it for a bazzillion years and finally added a very similar implementation to the draft in ES8 ...
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"Reactive programming is programming with asynchronous data streams." is this true?
I was reading about Reactive programming, and came across this article The introduction to Reactive Programming you've been missing with the quote I put in the question title:
Reactive programming ...
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What is the best way to retain a local object which is performing an asynchronous task?
My problem is the following: inside a method I'm creating an object like this:
MyObject* myObject = [MyObject new];
Then I want it to perform an asynchronous task like this:
[myObject ...
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Implementing both Sync and Async clients with DRY
I'm developing a client library. I'd like to provide both Sync and Async interfaces to endpoints on a server. They would be rather easy to implement as completely separate entities, but I would like ...
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