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  • Another memory leak question

    - by James
    Hello My application keeps running for 4 to 6 hours, During this time there is no contineous increase in memory or anything similar. Then after 4 to 6 hours i start getting EOutofMemory Exceptions. Even still at that time there is only 900MB out of 3GB RAM is used as per task manager. And application itself is not using more then 200MB . Then why i am getting EOoutofMEmory error ? Does it mean that memory leak is not necessarily visible in task manager ? Regagards

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  • Which "platform" should we use for a notifier-component?

    - by cwap
    Hi all We need to develop a notifier component. What it will do, is to scan a database at given intervals (say, every 15th minute), to see if any notifications needs to be sent out. We're running on Windows, and so we've been looking into either a Windows Service or the Windows Task Scheduler. Our biggest concern is the robustness of our implementation. If it, for some reason, crashes, can it be auto-restarted the next interval? Can we use custom logging logic, to take care of crashes? I'd like an educated guess on what to use here :) Feel free to say if you need additional info, to make such a guess.. Props will be given if someone could make a short listing of the pros n cons of a windows service vs. the windows task scheduler. Also, it should be noted, that we aren't set on either of these, so if you have any alternatives, please, do post away. Thanks in advance :)

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  • How to use all the cores in Windows 7?

    - by Anon
    I am not sure if this belongs to Stackoverflow or Superuser but I thought I would ask here. I have a console based application written in C which currently takes about an hour to terminate in Windows 7 64-bit OS. The task manager reports that the application is using only 25% of the available CPU. I would like to reduce the run time by increasing cpu usage. Is there any way to let the application use all four cores (the laptop has Core i5) instead of just one? I am assuming that task manager reports 25% because only one core is allocated to the program.

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  • On a Hudson master node, what are the .tmp files created in the workspace-files folder?

    - by Patrick Johnmeyer
    Question: In the path HUDSON_HOME/jobs/<jobname>/builds/<timestamp>/workspace-files, there are a series of .tmp files. What are these files, and what feature of Hudson do they support? Background Using Hudson version 1.341, we have a continuous build task that runs on a slave instance. After the build is otherwise complete, including archiving the artifacts, task scanner, etc., the job appears to hang for a long period of time. In monitoring the master node, I noted that many .tmp files were being created and modified under builds//workspace=files, and that some of them were very large. This appears to be causing the delay, as the job completed at the same time that files in this path stopped changing. Some key configuration points of the job: It is tied to a specific slave node It builds in a 'custom workspace' It triggers a downstream job that builds in the same custom workspace on the same slave node

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  • Application disappears after starting - C++ linking managed code dll

    - by Axarydax
    Hello, we have a problem with our applications. We have recently upgraded our toolchain to Visual Studio 2010 and friends, it all works fine on Windows Vista + Windows 7 developer machines and Windows 7 customer machines. (all x86) Today we did a first installation to a client PC running Windows XP SP3 x86, and all applications linking managed code dll do not work. After starting the .exe seemingly nothing happens, no window pops up, no memory gets eaten, no task shows in task manager, nothing, nada. Event log is empty, everything is just as if the application returned to the OS right after the start. I am at loss about this, I really don't know how should I start even debugging this problem. I don't want to install VS2010 and everything onto a Windows XP box, I'd like to try something less time intensive first. This all is happening just to native C++ apps that link managed c++ DLL. Pure managed C# apps do work. Pure native C++ apps do work.

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  • How do I best write my own background-working and communicatible (sending progress updates and getti

    - by Ivan
    I have to develop a class which can run it's own hard-coded task in a background thread and communicate with container class sending him progress updates and taking messages from it. I believe I am going to extend BackgroundWorker class but it looks a bit weird to extend and I haven't managed to find a good example wit Google. Can you share a link to a good example of solving such a task? Please don't offer placing a BackgroundWorker visually on a form and reading the standard tutorial, it's not for my case. Maybe I'd better not extend but encapsulate a BackgroundWorker, but I hardly understand how to use it outide WinForms designer either :-(

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  • Table Variables in SSIS

    - by aceinthehole
    In one SQL Task can I create a table variable DELCARE @TableVar TABLE (...) Then in another SQL Task or DataSource destination and select or insert into the table variable? The other option I have considered is using a Temp Table. CREATE TABLE #TempTable (...) I would prefer to use Table Variable so that it remains in memory. But can use temp table if it is not possible to use table variable. Also I cannot use the record set destination as I need to preform straight SQL tasks on it later on.

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  • Java Timer not working

    - by Jacob
    I have an Image named worldImageToUse and I have a Timer that is supposed to toggle worldImageToUse between two images every 1 second. But it does not seem to work. Help Please? public void startWorldImageFlash() { worldImageFlashTimer = new Timer(); TimerTask task = new TimerTask() { @Override public void run() { if(worldImageToUse == worldImage) setWorldImageBW(); if(worldImageToUse == worldImageBW) setWorldImageColor(); } }; worldImageFlashTimer.scheduleAtFixedRate(task, 0, 1000); } public void stopWorldImageFlash() { worldImageFlashTimer.cancel(); setWorldImageColor(); }

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  • Field contains foreign IDs for different tables

    - by Rich
    I am developing a php/mysql driven facebook game. I am stuck on an element the table design. When a user completes a task I want to trigger any number of events. I was thinking of something like so: tbl_events *event_id - serogate primary ID *task_id - foreign ID of the task just completed *event_type - what type of event e.g is it a facebook stream publish or a message to the user or does it unlock a new element of the game? *event_param - this is where it gets tricky... the event parameter is a problem for two reasons, 1) it will contain different foreign ids... dependent on the event_type and thus it will not be possible to join to x table. Meaning I would have to call two queries. 2) Most events require a single id or text, however some events require multiple parameters - like the facebook stream publish.

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  • How to do your best when everybody is too busy?

    - by Francisco Garcia
    Sometimes I have seen some code or part of the project which I could improve but is not related with my current team project. Those times I have a conflict because despite wanting to help, many teams lack enough people and doing extra work seems like betrayal. Obviously any managers will appreciate much more if you focus your effort on their tasks What do you do in in these cases?

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  • How to avoid the Windows (XP) Security Warning when launching a "DOS" command line within C#?

    - by Will Marcouiller
    This question is related to this initial question asked a little while ago. Now, that I have chosen the extracting tool, I'm iterating through a given in command line parameter directory and subdirectories to extract the compressed .zip files. private static void ExtractAll(DirectoryInfo _workingFolder) { if(_workingFolder == null) { Console.WriteLine("Répertoire inexistant."); return; } foreach (DirectoryInfo subFolder in _workingFolder.GetDirectories("*", SearchOption.AllDirectories)) foreach(FileInfo zippedFile in subFolder.GetFiles("*.zip", SearchOption.AllDirectories)) { if(zippedFile.Exists) { ProcessStartInfo task = new ProcessStartInfo(@".\Tools\7za.exe", string.Format("x {0}", zippedFile.FullName)); Process.Start(task); } } } But everytime I start a 7za process, the Windows Security Warning prompts. I would like to avoid such annoying behaviour, so here's my question: How to avoid the Windows (XP) Security Warning when launching a "DOS" command line within C#?

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  • how rspec creates database between specs

    - by timpone
    This is a bit of a naive / simple question. I'm having a hard time finding this info online. Basically, does rspec run rake db:test:prepare between every rspec group? Or is it between every example or model? Or does the schema get loaded once and then truncated between each. I need to add a rake task directly after this call to create a view since they are not supported in schema.rb. Either a link or explanation would be greatly appreciated so that I know where to insert my rake task to create a view. Or whether there is a callback like rake db:test:after_prepare thx

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  • Communicate between service and winform

    - by Richard Tivey
    I could do with a bit of help with a windows service im writing in c#. The service basically just runs various tasks on a schedule. It has 3 main sections: a class which contains everything for the task (config, code to be executed when it runs, etc), the service which contains instances of the tasks, running them on a timer and a windows form which is used to configure the settings for the task. The question I have is would it be possible to reference the service from the Winform whilst the service is running? Ultimately I want to be able to open the Winform and see a live status of what the service is currently doing. I've considered writing something network related to get around it but it didn't seem correct considering that both processes would be on the same machine.

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  • ColdFusion Timeout Error

    - by Jason
    I have a scheduled task that runs once a day that builds an XML file that I pass off to another group. Recently the amount of data has greatly increased and is now causing the task to time out (I think). I have tried to optimize my script as much as possible but with no luck. It times out long before an hour and I don't get any kind of ColdFusion error. Instead I get a "This page cannot be found" after it runs. Could this be a timeout someplace other than Coldfusion? Is there a more efficient way to build this XML file? select PersonID, FirstName, LastName from People select d.DepartmentID, DepartmentName, pd.PersonID from Department d inner join PersonDepartment pd on d.DepartmentID = pd.DepartmentID select PaperID, PaperTitle, PaperDescription, pp.PersonID from Paper p inner join PersonPaper pp on p.PaperID = pp.PaperID select DepartmentID, DepartmentName from getDepartments where PersonID = #getPeople.PersonID# select PaperID, PaperDescription from getpapers where PersonID = #getPeople.PersonID# #getPeople.PersonID# #getPeople.Firstname# #getPeople.LastName# #getPersonDepartments.DepartmentID# #getPersonDepartments.DepartmentName# #getPersonPapers.PaperID# #getPersonPapers.PaperDescription# Done!

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  • calling java class file through windows service in .net

    - by Kaumadee Wijewantha
    i have creared windows service from C# for calling java class file. i have used bat file to call this java file in C#. the task of the java class is create output file. but the when stated the service output file wasnt created. java class is worked perfeclty with out servise when it invoke from bat file. (but may task manger shows instantiates of command prompt.) is it possible to call java class through bat file in windws servise?

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  • Parallelism on two duo-core processor system

    - by Qin
    I wrote a Java program that draw the Mandelbrot image. To make it interesting, I divided the for loop that calculates the color of each pixel into 2 halves; each half will be executed as a thread thus parallelizing the task. On a two core one cpu system, the performance of using two thread approach vs just one main thread is nearly two fold. My question is on a two dual-core processor system, will the parallelized task be split among different processor instead of just utilize the two core on one processor? I suppose the former scenario will be slower than the latter one simply because the latency of communicating between 2 CPU over the motherboard wires. Any ideas? Thanks

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  • How do you deal with the more mundane parts of programming tasks?

    - by Uri
    My experience as a developer is that many projects or tickets are a mix of a short and focused very interesting task (e.g., designing some API or a platform to solve something) and a lot of repetitive and mundane tasks that cannot be automated (such as certain refactorings to use the API or platform, implementation of certain tests, some GUI handling, etc). I believe that this is the nature of our profession, unless we are high-level architects or managements and can delegate this work. The only item in my personal arsenal when dealing with these tasks is to devote some of my attention to radio or audiobooks (preferably not in English as I find it hard to concentrate on two "streams" of English at the same time). I maintain sufficient attention to carry the task and don't lose concentration as fast. I'm wondering how others cope with these and maintain concentration.

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  • Freeglut ( OpenGL ) in C

    - by user1832149
    I would like to ask for you a little help in my homework. I'm learning at an university of Debrecen, and I would like to be a programmer, but I'm stuck with this homework. It's a OpenGL project in C. (freeglut) The next task is about: Window to viewport transformation. Draw graphs of functions, as shown below. The individual views (viewport) defines four different rectangles. Functions look like this picture: one window in 4 piece, and one pice of one function. The functions, respectively: f(x)=x2 g(x)=x3 h(x)=sin(x) i(x)=cos(x) Heres a pic what I need to make: How would I approach such a task?

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  • Need advice on cron job'ing a very large process

    - by Arms
    I have a PHP script that grabs data from an external service and saves data to my database. I need this script to run once every minute for every user in the system (of which I expect to be thousands). My question is, what's the most efficient way to run this per user, per minute? At first I thought I would have a function that grabs all the user Ids from my database, iterate over the ids and perform the task for each one, but I think that as the number of users grow, this will take longer, and no longer fall within 1 minute intervals. Perhaps I should queue the user Ids, and perform the task individually for each one? In which case, I'm actually unsure of how to proceed. Thanks in advance for any advice.

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  • how to controller (start/kill) a background process (server app) in ruby

    - by rubiii
    hey guys, i'm trying to set up a server for integration tests (specs actually) via ruby and can't figure out how to control the process. so, what i'm trying to do is: run a rake task for my gem that executes the integration specs the task needs to first start a server (i use webrick) and then run the specs after executing the specs it should kill the webrick so i'm not left with some unused background process webrick is not a requirement, but it's included in the ruby standard library so being able to use it would be great. hope anyone is able to help! ps. i'm running on linux, so having this work for windows is not my main priority (right now).

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  • capistrano initial deployment

    - by Richard G
    I'm trying to set up Capistrano to deploy to an AWS box. This is the first time I've tried to set this up, so please bear with me. Could someone take a look at this and let me know if you can solve this error? The output below is the deploy.rb file, and it's output when it runs. set :application, "apparel1" set :repository, "git://github.com/rgilling/GroceryRun.git" set :scm, :git set :user, "ubuntu" set :scm_passphrase, "pre5ence" # Or: `accurev`, `bzr`, `cvs`, `darcs`, `git`, `mercurial`, `perforce`, `subversion` or `none` ssh_options[:keys] = ["/Users/rgilling/Documents/Projects/Apparel1/abesakey.pem"] ssh_options[:forward_agent] = true set :location, "ec2-107-22-27-42.compute-1.amazonaws.com" role :web, location # Your HTTP server, Apache/etc role :app, location # This may be the same as your `Web` server role :db, location, :primary => true # This is where Rails migrations will run set :deploy_to, "/var/www/#{application}" set :deploy_via, :remote_cache set :use_sudo, true # if you want to clean up old releases on each deploy uncomment this: # after "deploy:restart", "deploy:cleanup" # if you're still using the script/reaper helper you will need # these http://github.com/rails/irs_process_scripts # If you are using Passenger mod_rails uncomment this: namespace :deploy do task :start do ; end task :stop do ; end task :restart, :roles => :app, :except => { :no_release => true } do run "#{try_sudo} touch #{File.join(current_path,'tmp','restart.txt')}" end end Then the execution results in this permission error. I think I"ve set up the SSH etc. correctly... updating the cached checkout on all servers executing locally: "git ls-remote git://github.com/rgilling/GroceryRun.git HEAD" command finished in 1294ms * executing "if [ -d /var/www/apparel1/shared/cached-copy ]; then cd /var/www/apparel1/shared/cached-copy && git fetch -q origin && git fetch --tags -q origin && git reset -q --hard f35dc5868b52649eea86816d536d5db8c915856e && git clean -q -d -x -f; else git clone -q git://github.com/rgilling/GroceryRun.git /var/www/apparel1/shared/cached-copy && cd /var/www/apparel1/shared/cached-copy && git checkout -q -b deploy f35dc5868b52649eea86816d536d5db8c915856e; fi" servers: ["ec2-107-22-27-42.compute-1.amazonaws.com"] [ec2-107-22-27-42.compute-1.amazonaws.com] executing command ** **[ec2-107-22-27-42.compute-1.amazonaws.com :: err] error: cannot open .git/FETCH_HEAD: Permission denied**

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  • Ant loadfile override property

    - by lucks
    Hi, I'm trying to use the Ant task <loadfile> in a loop to parse the contents of a file. I have something like <loadfile srcFile="@{some.input}" property="my.property"> Since Ant properties are immutable, this doesn't work for me. I need 'my.property' to update on every iteration. Is there a way to achieve this? I know Ant-contrib has a <var> task but I'm not sure how to use <loadfile> with it. Any recommendations? Thanks.

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  • Capistrano Error

    - by Casey van den Bergh
    I'm Running CentOS 5 32 bit version. This is my deploy.rb file on my local computer: #======================== #CONFIG #======================== set :application, "aeripets" set :scm, :git set :git_enable_submodules, 1 set :repository, "[email protected]:aeripets.git" set :branch, "master" set :ssh_options, { :forward_agent => true } set :stage, :production set :user, "root" set :use_sudo, false set :runner, "root" set :deploy_to, "/var/www/#{application}" set :app_server, :passenger set :domain, "aeripets.co.za" #======================== #ROLES #======================== role :app, domain role :web, domain role :db, domain, :primary => true #======================== #CUSTOM #======================== namespace :deploy do task :start, :roles => :app do run "touch #{current_release}/tmp/restart.txt" end task :stop, :roles => :app do # Do nothing. end desc "Restart Application" task :restart, :roles => :app do run "touch #{current_release}/tmp/restart.txt" end end And this the error I get on my local computer when I try to cap deploy. executing deploy' * executingdeploy:update' ** transaction: start * executing deploy:update_code' executing locally: "git ls-remote [email protected]:aeripets.git master" command finished in 1297ms * executing "git clone -q [email protected]:aeripets.git /var/www/seripets/releases/20111126013705 && cd /var/www/seripets/releases/20111126013705 && git checkout -q -b deploy 32ac552f57511b3ae9be1d58aec54d81f78f8376 && git submodule -q init && git submodule -q sync && export GIT_RECURSIVE=$([ ! \"git --version\" \\< \"git version 1.6.5\" ] && echo --recursive) && git submodule -q update --init $GIT_RECURSIVE && (echo 32ac552f57511b3ae9be1d58aec54d81f78f8376 > /var/www/seripets/releases/20111126013705/REVISION)" servers: ["aeripets.co.za"] Password: [aeripets.co.za] executing command ** [aeripets.co.za :: err] sh: git: command not found command finished in 224ms *** [deploy:update_code] rolling back * executing "rm -rf /var/www/seripets/releases/20111126013705; true" servers: ["aeripets.co.za"] [aeripets.co.za] executing command command finished in 238ms failed: "sh -c 'git clone -q [email protected]:aeripets.git /var/www/seripets/releases/20111126013705 && cd /var/www/seripets/releases/20111126013705 && git checkout -q -b deploy 32ac552f57511b3ae9be1d58aec54d81f78f8376 && git submodule -q init && git submodule -q sync && export GIT_RECURSIVE=$([ ! \"git --version`\" \< \"git version 1.6.5\" ] && echo --recursive) && git submodule -q update --init $GIT_RECURSIVE && (echo 32ac552f57511b3ae9be1d58aec54d81f78f8376 /var/www/seripets/releases/20111126013705/REVISION)'" on aeripets.co.za

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