Recent questions tagged Multithreading

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multithreading - What is the relation between the main() method and main thread in Java?

My tutor told me that the main thread is the parent thread of every thread, but he is not able to explain why ... () method and the main 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 - Java Thread: Run method cannot throw checked exception

In Java thread, the 'run' method cannot throw a 'checked exception'. I came across this in the Core Java ... explain the reasoning behind it? 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 - C++ Thread, shared data

I have an application where 2 threads are running... Is there any certanty that when I change a global ... noticed by the other 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 does a threading.Thread yield the rest of its quantum in Python?

I've got a thread that's polling a piece of hardware. while not hardware_is_ready(): pass process_data_from_hardware() ... thing to do here? 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 - Interruptible thread join in Python

Is there any way to wait for termination of a thread, but still intercept signals? Consider the following C ... behave like the C version? 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 synchronizing based on a parameter (named mutex/lock)

I'm looking for a way to synchronize a method based on the parameter it receives, something like this: public ... accessing locks.get(name) ?? 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 - Running a Java Thread in intervals

I have a thread that needs to be executed every 10 seconds. This thread contains several calls (12 - 15) to ... having them run in one 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 - Is there epoll equivalent in Java?

Is there an equivalent of Linux epoll in Java? epoll allows a thread to react to a number of heterogenous events ... a single thread. Thanks. df 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 - Android wait AsyncTask to finish

I have a function, AppHelper.isOnline(Context context), I call in various parts of my application to check that ... in session, it breaks. 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 - Thread Safety: Class Variables in Ruby

Performing writes/reads on class variables in Ruby is not thread safe. Performing writes/reads on instance variables ... = best end end end 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 - Do lock-free algorithms really perform better than their lock-full counterparts?

Raymond Chen has been doing a huge series on lockfree algorithms. Beyond the simple cases of the ... their lock-full counterparts? 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 - C# Thread safe fast(est) counter

What is the way to obtain a thread safe counter in C# with best possible performance? This is as simple ... But are there faster alternatives? See Question&Answers more detail:os...

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

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583 views

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multithreading - Simple Thread Sample Delphi

I am new with this stuff of Threading in Delphi. so, I am trying to make a simple query aplication that make a ... ADO, Windows XP sp3.- 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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multithreading - What is the use of a Thread pool in Java?

What is the use of a Thread pool? Is there a good real world 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 - How to obtain a Thread id in Python?

I have a multi-threading Python program, and a utility function, writeLog(message), that writes out a timestamp followed ... ) that I could use? See Question&Answers more detail:os...

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

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945 views

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multithreading - How to profile multi-threaded C++ application on Linux?

I used to do all my Linux profiling with gprof. However, with my multi-threaded application, it's output appears ... I look into for profiling? See Question&Answers more detail:os...

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

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565 views

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multithreading - How do I get the backtrace for all the threads in GDB?

Is there an equivalent command in GDB to that of WinDbg's !process 0 7? I want to extract all the threads in ... , is there a command that does? 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 - Difference between racearound condition and deadlock

What is the difference between a dead lock and a race around condition in programming terms? See Question&Answers more detail:os...

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

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569 views

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multithreading - omp parallel vs. omp parallel for

What is the difference between these two? [A] #pragma omp parallel { #pragma omp for for(int i = 1; i < 100; ++i) { . ... i < 100; ++i) { ... } 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 - Threading vs Parallelism, how do they differ?

What is the difference between threading and parallelism? Which one has advantage over the other? 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 - c++, std::atomic, what is std::memory_order and how to use them?

Can anyone explain what is std::memory_order in plain English, and how to use them with std::atomic<>? ... .com/w/cpp/atomic/memory_order See Question&Answers more detail:os...

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

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529 views

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multithreading - What is the difference between a thread and a fiber?

What is the difference between a thread and a fiber? I've heard of fibers from ruby and I've read heard they' ... between a thread and a fiber. See Question&Answers more detail:os...

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

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470 views

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multithreading - Receiving multiple messages from MQ asynchronously

I use Spring + Hibernate + JPA in my application. I need to read the message from Websphere MQ and insert the ... e1.printStackTrace(); } } } See Question&Answers more detail:os...

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

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618 views

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multithreading - C# High CPU usage on Listener thread, sleeping misses disconnect

My connection handler is below (this is more for personal experimentation than production code) If I don't add a ... ) OnDisconnected(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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multithreading - Process Large File for HTTP Calls in Java

I have a file with millions of lines in it that I need to process. Each line of the file will result in an ... to use that as well. 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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572 views

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multithreading - android os network on main thread exception

i make this code in single application working, but if join with other application , show this dialog "android os ... "/> and still not working See Question&Answers more detail:os...

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

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541 views

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multithreading - Python: Why is threaded function slower than non thread

Hello I'm trying to calculate the first 10000 prime numbers. I'm doing this first non threaded and then ... : ",threadedTime, "seconds") 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: How to NOT wait for a thread to finish to carry on?

So I have some code that waits for X to happen, then creates a thread and does processEmail. What I am looking ... : Remove the () after main. See Question&Answers more detail:os...

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

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