Recent questions tagged Multithreading

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multithreading - Java set a callback from ExecutorService

I have a fixedThreadPool that I am using to run a bunch of worker threads to achieve parallel execution of a task ... Is such a thing possible? 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 - Specify task order execution in Java

I've searched a lot but couldn't find any solution. I use java thread pool in such way: ExecutorService c = ... I use for example LIFO strategy? 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 many threads should I use in my Java program?

I recently inherited a small Java program that takes information from a large database, does some processing and ... the time to completion. 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 does one implement a truly asynchronous java thread

I have a function that needs to perfom two operations, one which finishes fast and one which takes a long ... / doSomething long running } } 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 - Handling exceptions raised in a Ruby thread

I am looking for a solution of classic problem of exception handling. Consider following piece of code: def foo ... exception by any thread? 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.lang.IllegalThreadStateException

I am working with threads. However when I try to start a thread, I get a Exception. In concrete java.lang. ... } What could the problem be? 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 - Threading in GWT (Client)

From what I understand, the entire client side of a GWT application is converted to Javascript when you build, ... , what does this mean? 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 - Threadpool in IIS context

I have a general question about System.Threading.Threadpool when run in a webapplication on IIS. Say we have 2 ... 7. Thanks for any insight. 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 are Java Thread priorities translated to an OS thread priority?

How are the java API thread priorities (1-10) gets translated to the OS level priorities since most OS ... some correction in my understanding. 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 - calling Thread.sleep() from synchronized context in Java

I have read that Thread.sleep() will pause the currently running thread for the time specified after which it goes ... But please help me out. 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 - error MSB4166: Child node exited prematurely. Shutting down

Sometimes my build fail with this error. 0>MSBUILD : error MSB4166: Child node "3" exited ... BackEnd.NodeEndpointOutOfProcBase.PacketPumpProc() 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 - Controlling scheduling priority of python threads?

I've written a script that uses two thread pools of ten threads each to pull in data from an API. The thread ... nice -n 19 python MyScript.py 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 - Where is Python's shutdown procedure setting module globals to None documented?

CPython has a strange behaviour where it sets modules to None during shutdown. This screws up error logging during ... Is it Python 2 specific? 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 - Is there a way to detect if an object is locked?

Is there any way to determine if an object is locked in C#? I have the unenviable position, through design where ... but it would be ugly. 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 - Will a browser give an iframe a separate thread for JavaScript?

Do web browsers use separate executional threads for JavaScript in iframes? I believe Chrome uses separate threads for ... a security risk 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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703 views

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multithreading - Cross thread communication in Delphi

Is there any documentation on cross thread communication in Delphi? How can I send message to the thread that doesn't have a window? See Question&Answers more detail:os...

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

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665 views

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multithreading - What is the benefit of the MOESI cache coherency protocol over MESI?

I was wondering what benefits MOESI has over the MESI cache coherency protocol, and which protocol is currently favored ... nice to see also. See Question&Answers more detail:os...

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

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680 views

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multithreading - Python: Socket and threads?

I have a design problem: I have two threads, a heartbeat/control thread and a messagehandler thread. Both are ... needs to send a heartbeat? See Question&Answers more detail:os...

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

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615 views

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multithreading - What is a callable object in C++?

I'm currently studying boost threads. And I came across that the thread class has a constructor that accepts ... constructor or something else? 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 - Do we need to dispose or terminate a thread in C# after usage?

I have the following code: public static void Send(this MailMessage email) { if (!isInitialized) Initialize( ... example scenario. Thank you. See Question&Answers more detail:os...

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

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789 views

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multithreading - C# How to detect an object is already locked

How can I detect whether an object is locked or not? Monitor.TryEnter (as described in Is there a way to detect ... .Exit(myLockObject); } } } See Question&Answers more detail:os...

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

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506 views

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multithreading - java Fork/Join pool, ExecutorService and CountDownLatch

We have three different multi threading techniques in java - Fork/Join pool, Executor Service & CountDownLatch ... supplementary to each other? See Question&Answers more detail:os...

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

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703 views

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multithreading - How to Perform Multiple "Pings" in Parallel using C#

I am trying to calculate the average round-trip time for a collection of servers. In order to speed things ... as a Windows Console Application See Question&Answers more detail:os...

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

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524 views

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multithreading - When to use the lock thread in C#?

I have a server which handles multiple incoming socket connections and creates 2 different threads which store the data ... 2500 lines of code. 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 happened to thread.start_new_thread in python 3

I liked the ability to turn a function into a thread without the unnecessary line to define a class. I ... thread.start_new_thread for python 3? See Question&Answers more detail:os...

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

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588 views

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multithreading - Why does a thread outlive the main method in Java?

I was teaching myself Java threading and I noticed something that confuses me a little. I made a class called ... a Java program to terminate? See Question&Answers more detail:os...

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

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701 views

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multithreading - Behavior of Python's time.sleep(0) under linux - Does it cause a context switch?

This pattern comes up a lot but I can't find a straight answer. An non-critical, un-friendly program might do ... 0) appears to have no effect. 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 - Goroutines are cooperatively scheduled. Does that mean that goroutines that don't yield execution will cause goroutines to run one by one?

From: http://blog.nindalf.com/how-goroutines-work/ As the goroutines are scheduled cooperatively, a goroutine that ... only have one thread? See Question&Answers more detail:os...

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

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