Recent questions tagged MultiThreading

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multithreading - Android - howto pass data to the Runnable in runOnUiThread?

I need to update some UI and do it inside of the UI thread by using runOnUiThread Now the data for the UI comes from ... equal to data } }); } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Check if current thread is main thread, in Python

This has been answered for Android, Objective C and C++ before, but apparently not for Python. How do I ... more concise way of doing this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - In C# would it be better to use Queue.Synchronized or lock() for thread safety?

I have a Queue object that I need to ensure is thread-safe. Would it be better to use a lock object like ... it? Am I missing something here? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Long-running computations in node.js

I'm writing a game server in node.js, and some operations involve heavy computation on part of the server. I ... .js doesn't support threads? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Why must/should UI frameworks be single threaded?

Closely related questions have been asked before: Why are most UI frameworks single threaded?. Should all event-driven ... , as in go)? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - What are the POSIX cancellation points?

What are the POSIX cancellation points? I'm looking for a definitive list of POSIX cancellation points. I'm asking ... a list of them too. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Dask: How would I parallelize my code with dask delayed?

This is my first venture into parallel processing and I have been looking into Dask but I am having trouble ... (mse)(observed, prediction) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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571 views

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multithreading - How to check the number of currently running threads in Java?

I'm looking for a way to see the number of currently running threads Through Windows first Programmatically See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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772 views

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multithreading - What's the C++ 11 way to fire off an asynchronous task and forget about it?

I need something like this: void launch_task() { std::thread([](){ run_async_task(); }); } Except thread's ... clear article on std::async). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Java multi-threading atomic reference assignment

I have a cache which I implemented using a simeple HashMap. like - HashMap<String,String> cache = new ... ordering as well as visibility? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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536 views

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multithreading - Android: "Class loader may fail for processes that host multiple applications"

What does this message in Eclipse's logcat for Android mean? W/ActivityThread: ClassLoader.getResources: The class loader ... I can resolve it. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - How to pause/resume all threads in an ExecutorService in Java?

I submitted bunch of jobs to an executorservice in Java and I somehow want to temporarily pause all these ... pause/resume execution services)? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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647 views

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multithreading - Thread Pool vs Thread Spawning

Can someone list some comparison points between Thread Spawning vs Thread Pooling, which one is better? Please ... that supports both. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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613 views

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multithreading - In C# what is the recommended way of passing data between 2 threads?

I have my main GUI thread, and a second thread running inside it's own ApplicationContext (to keep it alive, ... polling on a static object? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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629 views

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multithreading - Java Executor with throttling/throughput control

I'm looking for a Java Executor that allows me to specify throttling/throughput/pacing limitations, for example, no ... to look at it first. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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647 views

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multithreading - python asyncio, how to create and cancel tasks from another thread

I have a python multi-threaded application. I want to run an asyncio loop in a thread and post calbacks and ... a simplier way, isnt'it? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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939 views

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multithreading - `Monitor cpu usage per thread in java?

I would like to ask whether there is some simple way to determine cpu usage per thread in java. Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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507 views

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multithreading - Understanding java's native threads and the jvm

I understand that the jvm is itself an application that turns the bytecode of the java executable into native machine code ... be ran at a time? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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600 views

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multithreading - Delphi - timer inside thread generates AV

I have the following thread code which executes correct first time. After that from time to time I get an AV ... begin Self.Execute; end; end. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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667 views

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multithreading - C: How do you declare a recursive mutex with POSIX threads?

I am a bit confused on how to declare a recursive mutex using pthread. What I try to do is have only one ... but they don't compile for me. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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529 views

1 answer

multithreading - How to get the number of threads in a Java process

How can I see the number of threads in a Java process? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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501 views

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multithreading - Linux's thread local storage implementation

__thread Foo foo; How is "foo" actually resolved? Does the compiler silently replace every instance of "foo" with a ... from bottom of stack'"? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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526 views

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multithreading - Thread Safe Singletons in Java

The wikipedia article on Singletons mentions a few thread safe ways to implement the structure in Java. For my ... into an unsafe state then? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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564 views

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multithreading - How is thread synchronization implemented, at the assembly language level?

While I'm familiar with concurrent programming concepts such as mutexes and semaphores, I have never understood how ... an atomic operation :( See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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563 views

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multithreading - Throttling Async Functions in Python Asyncio

I have a list of awaitables that I want to pass to the asyncio.AbstractEventLoop but I need to throttle ... .run(app.req_data_batch_async(objs)) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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522 views

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multithreading - Is WPF Dispatcher the solution of multi threading problems?

I have a very bad feeling about using lock in my code but now the Dispatcher of WindowBase exists and I want ... it makes my code more readable) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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486 views

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multithreading - C Programming: Debugging with pthreads

One of the hardest things for me to initially adjust to was my first intense experience programming with ... necessarily restrain your answer See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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668 views

1 answer

multithreading - Is PHP thread-safe?

Is PHP (as of 5.2) thread-safe on Linux/UNIX? Would it be possible to use it with Apache Worker-MPM or ... is a lot more to thread safety. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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