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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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 ...
- 179
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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 ...
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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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5
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331
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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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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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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 ...
- 119
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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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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 ...
- 109
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How to handle multi-region writes for a joint user registration?
UserA and UserB are signing up for some joint service together. They both have to independently agree to T&Cs before sign-up is complete. Once complete they both receive an email to sign-in.
A 1 ...
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If you run a function in a different thread, but you wait for it to finish in your main thread, is that function asynchronous?
Backstory
Probably a stupid question, but I just have a sneaking suspicion that "asynchronous" is the wrong terminology to us for naming my template function here:
template <class T>
...
- 3,649
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How are asynchoronous problems handled with imperative programming?
Context
To level set, I've been working with OOP and FP for my whole career, so my experience with the imperative paradigm is limited. The team I joined is made up of very senior (20+ years xp) ...
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