Recent questions tagged multithreading

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multithreading - Named threads in Delphi - what is that for?

When you create a TThread descendant using the tool palette in your BDS, you can provide a name for the thread. ... to apps like that? 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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multithreading - Would a connection Pool benefit a multithreaded Java program

I have a java process that starts about 60 threads that each access a MySql database. Would I benefit from ... ). Any guidance is appreciated! 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 - C# UWP The application called an interface that was marshalled for a different thread

I have a C# UWP app that contains a function I want to call every 5 seconds. The function runs ... HRESULT: 0x8001010E (RPC_E_WRONG_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 - Self Suspending a thread in Delphi when it's not needed and safely resuming

This question involves Delphi and XE specifically deprecating Suspend and Resume. I have read other posts and I have ... if it is suspended. 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 - Run java thread at specific times

I have a web application that synchronizes with a central database four times per hour. The process usually ... before every quarter hour? 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 - PostMessage from WorkerThread to Main Window in MFC

I have a MFC application, which has a worker thread, what I want to do is to post message from worker thread ... but no success, any help? 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 - Logging to both thread-specific and shared log files in Python

I want to implement per-thread logging in a multithreaded Python application using Python's logging module. I ... to thread-specific files? 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 run async processes

I am trying to run an async process and I do not want the program to wait until the end of these processes ... How can I solve this issue? 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 - When a goroutine blocks on I/O how does the scheduler identify that it has stopped blocking?

From what I've read here, the golang scheduler will automatically determine if a goroutine is blocking on I/O, and ... the result of the GET? 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 minimize the costs for allocating and initializing an NSDateFormatter?

I noticed that using an NSDateFormatter can be quite costly. I figured out that allocating and initializing ... when NSDateFormatter is used. 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 - R system() process always uses same CPU, not multi-threaded/multi-core

In R 3.0.2 on Linux 3.12.0, I am using the system() function to execute a number of tasks. The desired ... a single core when executed from R? 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 - Confusion about multiprocessing and workers in Keras fit_generator() with windows 10 in spyder

In the documentation for fit_generator() (docs: https://keras.io/models/sequential/#fit_generator) it says that the ... that's just a guess. 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 - Thread.FreeOnTerminate := True, memory leak and ghost running

Years ago, I decided never to rely solely on setting a thread's FreeOnTerminate property to true to be sure of ... first in the project file. 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 handle asyncore within a class in python, without blocking anything?

I need to create a class that can receive and store SMTP messages, i.e. E-Mails. To do so, I am ... third party software), are appreciated. 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 - Contention in concurrent use of java.util.Random

Oracle Java documentation says: Instances of java.util.Random are threadsafe. However, the concurrent use of ... behind poor performance? 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 - Should threads in Java be named for easier debugging?

What are the best practices around thread naming in Java? Are there any naming conventions to follow? 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 pointer assignment atomic in C++?

I've actually heard claims both ways. I suspect they are not, but I wanted to get the topic settled. 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 - Does Python have a similar control mechanism to Java's CountDownLatch?

So, I will start by saying that this is for a homework problem. My professor gave us an assignment which must be ... 't know what it's called? 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 check if a thread has finished in Rust?

When I spawn a thread in Rust, I get a JoinHandle, which is good for... joining (a blocking ... like needless complexity and overhead. 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 is my asp.net application throwing ThreadAbortException?

This is a self-explanatory question: Why does this thing bubble into my try catch's even when nothing is wrong? ... newbs we have to ask them 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 use Pipeline pattern in Delphi

I am trying to implement a Pipeline pattern in my test project (How to make a Mutlithreded idhttp calls to do work on ... output := //??? 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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multithreading - Thread synchronization in Python

I am currently working on a school project where the assignment, among other things, is to set up a threaded server/ ... #close threads #the script hangs at the for-loop below, a...

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

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multithreading - Threading in C#: How to keep loop-index thread-safe?

In the following example, it seems that the index i of the for-loop is modified independently by each thread leading ... threads[i].Join(); } 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 thread multiple subprocess instances in Python 2.7?

I have three commands that would otherwise be easily chained together on the command-line like so: $ echo ... (processed_line) to_stream.flush() 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 - Reading values from a different thread

I'm writing software in Go that does a lot of parallel computing. I want to collect data from worker threads ... implement this in an easy way? 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 - Reading values from a different thread

I'm writing software in Go that does a lot of parallel computing. I want to collect data from worker threads ... implement this in an easy way? 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 - Python how to kill threads blocked on queue with signals?

I start a bunch of threads working on a queue and I want to kill them when sending the SIGINT (Ctrl+C). What is ... (t) t.start() targets.join() See Question&Answers more detail:os...

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

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946 views

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multithreading - Java - is there any reason to check if a singleton is null twice?

I have come across some code, where the developer is constantly checking if the singleton is null twice with a ... there might be a reason? See Question&Answers more detail:os...

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

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