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Task continuation on UI thread, when started from background thread

stackoverflow.com - 2012-05-15 20:00:02 - Similar - Report/Block

If the following code is run on the background thread , how can I 'ContinueWith' on the main thread? var task = Task.Factory.StartNew(() => Whatever()); task.ContinueWith(NeedThisMethodToBeOnUi Thread), TaskScheduler.FromCurrentSynchronization Context()) The above will not work, because the current synchronization context is already a...

ManualResetEventSlim: Calling .Set() followed immediately by .Reset() doesn't release *any* waiting threads

stackoverflow.com - 2013-02-25 12:49:34 - Similar - Report/Block

ManualResetEventSlim: Calling .Set() followed immediately by .Reset() doesn't release any waiting threads (Note: This also happens with ManualResetEvent , not just with ManualResetEventSlim I tried the code below in both release and debug mode. I'm running it as a 32-bit build using .Net 4 on Windows 7 64-bit running on a quad core proce...

Samsung Galaxy S4 Part III

avforums.com - 2013-06-12 00:37:18 - Similar - Report/Block

As the previous thread Click Me reached over 1K posts, I thought to post the continuation thread, so please post away!! :)...

Bartlett task for the 2013 entry

thestudentroom.co.uk - 2013-02-01 01:11:40 - Similar - Report/Block

Hi, I have been looking up a thread on the bartlett task but don't seem to be able to find one so I thought I'd start it. As the title says... have you done the task? How was it? What did you draw? And what was the result? Or those who are still doing it, how is it going? Personally I've just received the task this afternoon and am gettin...

Why does they use a single threaded model to update UI as main thread?

stackoverflow.com - 2012-08-02 09:11:34 - Similar - Report/Block

The Qt doc says, As mentioned, each program has one thread when it is started. This thread is called the "main thread" (also known as the "GUI thread" in Qt applications). The Qt GUI must run in this thread. The Android doc says, Like activities and the other components, services run in the main thread of the application process And iO...

Rails Form submitting causing error

stackoverflow.com - 2013-03-21 18:07:00 - Similar - Report/Block

I created this form : <%= form_for @task do |task| %> <%= task.hidden_field :user_id, :value => @user.id %> <%= task.label :task %> <%= task.text_area :task %> <%= task.label :deadline %> <%= task.text_field :deadline %> <%= task.submit "Add" %> <% end %> and the controller: def new @task = Todo.new end def create @task = Todo.n...

Task Validation Task Error Message

sevenforums.com - 2013-02-08 06:34:27 - Similar - Report/Block

I never to into the Task Scheduler but today I did and got the following: "Task validation task: The task image is corrupt or has been tampered with" Seems to be a fairly common error from from what I can determine - and I have no experience with dealing with the registry and am reluctant to do so. Can anyone tell me what I should be doin...

Why are OS threads considered expensive?

stackoverflow.com - 2012-04-01 15:53:38 - Similar - Report/Block

There are many solutions geared toward implementing "user-space" threads. Be it golang.org goroutines, python's green threads, C#'s async, erlang's processes etc. The idea is to allow concurrent programming even with a single or limited number of threads. What I don't understand is, why are the OS threads so expensive? As I see it, either...

JavaFX periodic background task

stackoverflow.com - 2012-04-01 18:36:59 - Similar - Report/Block

I try to run in JavaFx application background thread periodically, which modify some GUI property. I think i know how to use Task and Service classes from javafx.concurrent and can't figure it out how to run such periodic task with no 'Thread.sleep' method. I would be nice if i can use some Executor from Executors fabricate methods (Exec...

how to wait a thread ,untill the asyncTask execution completes

stackoverflow.com - 2012-03-27 14:44:37 - Similar - Report/Block

I am working on Android. I have started a AsynchTask in the Thread, But this same thread has to wait for completion of the asyncTask execution. And can any one please explain me how to wait the Thread and how to notify the waiting Thread within AsynchTask. can any body help me out in this situation. Thanks in advance...

GAS 'Unexpected exception upon serializing continuation' error present when run from menu, but not present when run from editor

stackoverflow.com - 2013-04-26 00:40:46 - Similar - Report/Block

A GAS function is triggered from a sheet custom menu. This function is executed daily and has worked without error for weeks. A couple days ago, users started to see the so unhelpful "Unexpected exception upon serializing continuation" error. I have found that I can execute the exact same function from the code editor without error, but c...

Create a sub-task from an existing task

teamworkpm.net - 2013-05-31 14:07:14 - Similar - Report/Block

The release of sub-tasks last month was a much awaited for, and much loved, update to TeamworkPM. As with all new features there is often a few tweaks and updates that people would like to see once they start using it. The most common request that people were looking for was to be able to convert existing tasks in to sub-tasks and vice ve...

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Task.WaitAll method vs Parallel.Invoke method

stackoverflow.com - 2013-04-19 09:48:20 - Similar - Report/Block

I have sample code to compare processing time for Parallel approach and Task approach. The goal of this experiment is understanding of how do they work. So my questions are: Why Parallel worked faster then Task? Do my results mean that I should use Parallel instead of Task? Where should I use Task and where Parallel? What benefits of usin...

In Celery how to update the state of a main task until all his subtasks are done?

stackoverflow.com - 2012-04-06 18:47:35 - Similar - Report/Block

In Celery I'm running a main task that run one subtask for each item it get from the query. Subtasks should run in parallel. On the UI I have a progress bar that show how many subtasks are done on the total. I'm updating the main task state to give the info to the progress bar. My problem is that the main task ended right after pushing al...

Java InterruptedException suspends thread?

stackoverflow.com - 2012-09-14 21:17:40 - Similar - Report/Block

This should be a simple take for any Java Master. Me being a newbie just wanted to confirm one thing. I have a class implementing Runnable and like many such classes its run() method has an infinite loop. I want to do some task and then sleep for a min and come back again. While a thread is sleeping if an Interrupted Exception is encounte...

heterogeneous task & homogeneous task

stackoverflow.com - 2012-04-25 17:34:23 - Similar - Report/Block

What's the definition of these two, and what's the difference between a "heterogeneous task" and a "homogeneous task"? When I read the Java Concurrency In Practice book, these two phrases jumped out. In my opinion within the book, it is the task size and handling time of task. But I don't understand it that well. I've googled it, but can...

Thread.Start is not returning in some sparse cases in my c# application

stackoverflow.com - 2012-03-29 09:33:09 - Similar - Report/Block

I have written a TCP server application in c#. Application listens for inbound connections using TcpListener.AcceptTcpClient() method in main listener thread. When a connection is received, TcpListener.AcceptTcpClient() unblocks and returns TCPClient object. On receiving a connection, a new thread is created and started to read write data...

Rails 3 task scopes?

stackoverflow.com - 2012-05-05 05:43:54 - Similar - Report/Block

I am working on a simple rails 3 todo application and I am trying to filter the app by completed tasks and none completed task but whenever I try calling a scope I get the error message. undefined method `completed' for #<Array:0x007fe8420d0e58> task.rb scope :completed , where(:completed => true) scope :incomplete , where(:finis...

multithreading for python socket

stackoverflow.com - 2013-05-09 02:54:45 - Similar - Report/Block

I am trying to make my own pyloris script, but I am not getting any connections; here is what I have: #!/usr/bin/python import sys,socket import threading from time import sleep s=socket.socket(socket.AF_INET, socket.SOCK_STREAM) HOST = sys.argv[1] PORT = 80 t = int(sys.argv[3]) threads = [] class Slowloris(threading.Thread): def Slowlor...

Dispatcher.Dispatch on the UI thread

stackoverflow.com - 2012-04-02 18:23:38 - Similar - Report/Block

I have the doubt regarding when to use the Dispatcher.Invoke to update something on UI from different Thread. Here's my code... public Window4() { InitializeComponent(); this.DataContext = this; Task.Factory.StartNew(() => Test() ); } private List<string> listOfString = new List<string>();...

Destroying a thread, having a never ending function int its run() method?

stackoverflow.com - 2013-04-10 05:45:11 - Similar - Report/Block

In my run() method of my Thread class, I am calling a never ending function. I need the thread to run only for a specific duration. Am not able to control the thread once its started, Is their any way to destroy it? I have tried yield() sleep() , etc... PS - I cannot change the never ending function...

How does Java run() method work?

stackoverflow.com - 2012-05-26 07:46:38 - Similar - Report/Block

Multi-threading in Java is done by defining run() and invoking start(). Start delegates to a native method that launches a thread through operating system routines and run() is invoked from within this newly spawned thread. When a standalone application is started a main thread is automatically created to execute the main(). Now consider...

Task scheduler not running when trying to start disk defrgmenter

sevenforums.com - 2012-07-27 20:06:26 - Similar - Report/Block

I recently had this problem when trying to start defragmenter. I tried starting up task scheduler then it gave me the error when i opened up the program. "the remote computer was not found" i tried refreshing and the task scheduler screen and it said task scheduler service on target computer cannot be contacted. I checked task scheduler...

Red string of fate-meet people for Android

androidzoom.com - 2013-04-09 15:23:30 - Similar - Report/Block

MOBiSTERS. There is an ancient Chinese myth about the red thread of fate "Gods tied people by invisible threads of fate. The thread can stretch or get confused, but it never will tear. Our task is to trace the threads of fate, to look for our soul... FREE

Daemoninsing a rake task

stackoverflow.com - 2012-03-04 15:34:34 - Similar - Report/Block

I have a rake task which runs mailman under the rails environment. I'd like to ensure that rake task is always running via a daemon. My rake task is rake incoming_mail How would I go about daemonising that?...

XAMPP terminating worker thread 0

stackoverflow.com - 2010-12-27 05:36:09 - Similar - Report/Block

Am running PHP applications using XAMPP server in Windows XP. It was working fine just yesterday, but suddenly it started showing the error: "Terminating worker thread 0 and Terminating worker thread 1". Does anybody know what went wrong? Can you suggest the steps I have to do to fix it? My cmd prompt is also disappearing when I open it.

What is Task Scheduler?

computerhope.com - 2012-09-03 22:05:47 - Similar - Report/Block

The Microsoft Windows Task Scheduler is a software program included with Windows that allows for a computer task to be planned when a pre-determined trigger occurs. For example, if you perform a task such as running a batch file every Monday a scheduled task can be setup in Task Scheduler to run that batch file every Monday your computer...

A VIP Task Management Solution - 4.02

dodownload.com - 2013-06-10 12:44:40 - Similar - Report/Block

Task management together with project management and time management, help us achieve the goals we set. We believe that task management is even more powerful because task is a fundamental unit of anything we do.

C# Windows Forms Threading: My form seems not to run as own thread

stackoverflow.com - 2012-03-27 11:18:17 - Similar - Report/Block

I have a Windows Form. When clicking on "Ok" some Work will be done which takes some time. During the process all controls of the form got disabled so the user cannot do something. Except one button, abort. This button shall be still available to abort the process task. I start a new Thread, fine. The problem is that when clicking ob abor...

Task Parallel Library WaitAll Exception Handling

stackoverflow.com - 2012-07-24 03:53:13 - Similar - Report/Block

I am working with the Task Parallel Library and I am using the Task Factory to create and start a list of new tasks. After starting the tasks, I make a call to Task.WaitAll(...) to wait until all the Tasks return. The code looks similar to the following. Tasks<MyClass>[] tasks = .../Create List of Tasks and Start using TaskFactory.S...

using boost thread only works half way

stackoverflow.com - 2012-02-21 14:08:40 - Similar - Report/Block

I just installed Boost on my machine. I'm working with the Visual Studio 2010 Ultimate. To install Boost I followed the instruction here: http://www.boost.org/doc/libs/1_48_0/mor e/getting_started/windows.html . In particular this line: "The installers supplied by BoostPro Computing will download and install pre-compiled binaries into the...

How to get the current task reference?

stackoverflow.com - 2011-07-15 00:39:07 - Similar - Report/Block

How can I get reference to the task my code is executed within? ISomeInterface impl = new SomeImplementation(); Task.Factory.StartNew(() => impl.MethodFromSomeInterface(), new MyState()); void MethodFromSomeInterface() Task currentTask = Task.GetCurrentTask(); // No such method? MyState state = (MyState) currentTask.AsyncSta...

BSOD on regular inteveral (1hr), not producing Minidump

sevenforums.com - 2013-06-08 05:19:10 - Similar - Report/Block

Alright, so this has been a truly exhausting and daunting task trying to resolve my BSOD issue. So I will start from the top. My computer started randomly BSODing earlier this week, giving me the error: "A process or thread crucial to system operation has unexpectedly exited or been terminated." with STOP: 0xF4 and first parameter 0x3. Th...

Nintex approval task is not updating the outcome field of the task

stackoverflow.com - 2013-04-10 04:59:05 - Similar - Report/Block

The Nintex approval task is not updating the task outcome field, after the approver completes the task. The history is showing the status as approved but the task outcome field is not getting updated. There is no error in the workflow. It is smoothly proceeding to the subsequent steps. It’s a “Request Approval” task. It is moving to the a...

Order of TForm creation and destruction and threads

stackoverflow.com - 2013-05-04 17:34:13 - Similar - Report/Block

I have a thread which calls functions of certain form to update this form. When task is done, thread updates form with results, using Synchronize and it all works fine while the program is running. The problem happens when the thread is running and I close the program I got access violation. It was caused by thread updating form which wa...

How to ignore user clicks in WinForms?

stackoverflow.com - 2012-06-21 11:41:40 - Similar - Report/Block

When a user clicks a button, it starts some task. I don't want to block the main application thread, so I run it in a separate thread. Now I need to forbid a user to click the button until my task finishes. I could set button.Enabled = false; , but I'm looking for some way to ignore clicks on it. I could add some check in click event hand...

One Tap Task Killer for Android

androidzoom.com - 2013-04-22 15:35:28 - Similar - Report/Block

STA.BEER This app does not resident. After starting the app. If you one-tap the button at the top. Will be finished the task immediately. This app makes batteries last longer. Ends the task and frees memory. It is a low-cost version... $1.49

new helifreak

helifreak.com - 2013-03-28 03:20:59 - Similar - Report/Block

Hi, I am new to helifreak. Just started flying a year ago mCX and have moved to CP recently (130x) and am loving it and having fun/the usual frustrated beginner breaking things. haha. So far I like this site, not so much the forum software though. I do have a couple questions.. When does the admin approval for every post end? I found that...

Использование async/await - C# .NET

cyberforum.ru - 2013-05-01 18:18:03 - Similar - Report/Block

пытался написать такой тестовый код: нифига не работает, я видимо что-то неправильно делаю. Что именно, не знаю :) Код: using System; using System.Threading; using System.Threading.Tasks; namespace ConsoleApplication40 class Program static void Main() var task = Task.Factory.StartNew(Body); task.Wait(); Console.ReadKey(); private st...

Даны две матрицы одинаковых размерностей - A и B. Подсчитать, для скольких позиций A(i,j) > B(i,j) - Lisp

cyberforum.ru - 2013-04-19 19:37:55 - Similar - Report/Block

Задача из раздела . Вот мое решение: Код: (defun task (a b) (apply '+ (mapcar #'(lambda (u) (apply '+ u)) (mapcar #'(lambda (x y) (mapcar #'(lambda (z w) (if (> z w) 1 0)) x y)) a b)))) ==> task (task '((1 2) (3 4)) '((1 -2) (6 -3))) ==> 2 (task '((1 2) (3 4)) '((2 3) (6 -3))) ==> 1 (task '((1 2) (3 4)) '((-2 -3) (6 -3))) ==> 3...




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