Recent questions tagged Multithreading

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multithreading - Ensure Java synchronized locks are taken in order?

we have two threads accessing one list via a synchronized method. Can we a) rely on the run time to make ... way to serialize the requests? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Canonical way to generate random numbers in Cython

What is the best way to generate pseudo uniform random numbers (a double in [0, 1)) that is: Cross ... Thanks for pointing that out @DavidW. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - What is the standard way to get a Rust thread out of blocking operations?

Coming from Java, I am used to idioms along the lines of while (true) { try { someBlockingOperation(); } catch ( ... to pack up and go home? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Python subprocess.call() fails when using pythonw.exe

I have some Python code that works correctly when I use python.exe to run it, but fails if I use pythonw ... specifying stdout for a new thread. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - How can I enumerate all managed threads in C#?

Is it possible to enumerate all managed threads in C#? Visual Studio seems to be able to do this when you hit ... anyone know how it does this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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771 views

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multithreading - Python 2.7: streaming HTTP server supporting multiple connections on one port

I am looking for a standard Python 2.7 package providing an HTTP server that does simultaneous streaming ... made to stream reliably? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Java getting download progress

I am writing a Java application (Using NetBeans as an IDE and a jFrame form), and one part of it ... catch (InterruptedException ex) { } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - How do I run parallel threads of computation on a partitioned array?

I'm trying to distribute an array across threads and have the threads sum up portions of the array in parallel. I want thread ... 1; z = z-1; } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - What is a class level lock in java

What is a class level lock. Can you please explain with an example. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Java Executors: how can I stop submitted tasks?

I have submitted a task using executors and I need it to stop after some time (e.g. 5 minutes). I have ... are still working after 5 minutes? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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multithreading - Python thread name doesn't show up on ps or htop

When I set the name for a Python thread, it doesn't show up on htop or ps. The ps output only shows python ... 31421 pts/30 00:00:00 python See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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575 views

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multithreading - A PHP/pthreads Thread class can't use array?

I've found a PECL pthread Thread can't use an array object. What can I do to find the cause? Code example: class my ... sleep(1); $my->add(); } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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701 views

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multithreading - iPhone: how to use performSelector:onThread:withObject:waitUntilDone: method?

I am trying to use a separate thread for working with some API. The problem is that I am not able to use ... from the same thread all the time. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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725 views

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multithreading - C# Thread object lifetime

Suppose I have a code as follows: int Main() { if (true) { new Thread(()=> { doSomeLengthyOperation(); }) ... code above is. Thanks in advance! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Is it safe to use a boolean flag to stop a thread from running in C#

My main concern is with the boolean flag... is it safe to use it without any synchronization? I've read in several ... { m_event.WaitOne(); } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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613 views

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multithreading - prevent linux thread from being interrupted by scheduler

How do you tell the thread scheduler in linux to not interrupt your thread for any reason? I am programming ... threads' timeslice is exceeded. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Python creating a shared variable between threads

I'm working on a project in Python using the "thread" module. How can I make a global variable (in my case I ... project (about 4-6) can access? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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578 views

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multithreading - Do Java sockets support full duplex?

Is it possible to have one thread write to the OutputStream of a Java Socket, while another reads from the ... to synchronize on the socket? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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584 views

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multithreading - Is it possible to force an existing Java application to use no more than x cores?

We are benchmarking existing Java programs. They are threaded applications designed to benefit from multi-core CPUs. ... of these platforms. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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506 views

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multithreading - Does Android Service run from a separated thread instead of UI?

I am currently using a alarmmanager to start a service for posting of location to http. The problem is when ... separated from the ui thread? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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599 views

1 answer

multithreading - Is it possible to force an existing Java application to use no more than x cores?

We are benchmarking existing Java programs. They are threaded applications designed to benefit from multi-core CPUs. ... of these platforms. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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477 views

1 answer

multithreading - Does Android Service run from a separated thread instead of UI?

I am currently using a alarmmanager to start a service for posting of location to http. The problem is when ... separated from the ui thread? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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667 views

1 answer

multithreading - Java Synchronized list

I have a pre-populated array list. And I have multiple threads which will remove elements from the array list. Each ... .remove(item); } Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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510 views

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multithreading - What does it mean to say Apache spawns a thread per request, but node.js does not?

I have read about node.js and other servers such as Apache, where the threading is different. I simply ... Several connections inside that file. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Is C++ static member variable initialization thread-safe?

According to following resources, in C++(Specially Visual C++) scoped static variable initialization isn't thread ... ; Thanks in advance! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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560 views

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multithreading - Android: execute code in regular intervals

I need to perform some code in regular intervals (connect to a server and pull data from MySQL database every ... Im doing erong here? Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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677 views

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multithreading - Delayed start of a thread in C++ 11

I'm getting into C++11 threads and have run into a problem. I want to declare a thread variable as global ... functions. Thanks for any help. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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524 views

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multithreading - multiprocess or threading in python?

I have a python application that grabs a collection of data and for each piece of data in that collection ... tasks would never actually fire. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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