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  • Dealing with a shutdown during a file write?

    - by Ken
    All, I'm working on a Real-time system, VxWorks I think, I'm saving application settings to a file. What's the best way to handle preserving the settings if the system shuts down or loses power in the middle of a file write? All I can think of is shuffling a few files around or reducing the frequency at which i Save variables in order to reduce incidents.

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  • Missing parameter error after running MySql query

    - by annelie
    Hello, I'm completely new to MySql and haven't used SqlDataSource with UpdateParameters before, so I'm probably missing something very obvious. When trying to update a record, the update does happen but then throws an error saying "'id' parameter is missing at the statement". So the query works and the database gets updated as it should, but an error is thrown afterwards. These are the update parameters: <UpdateParameters> <asp:Parameter Name="business_name" Type="string" Size="256" /> <asp:Parameter Name="addr_line_1" Type="string" Size="256" /> <asp:Parameter Name="addr_line_2" Type="string" Size="256" /> <asp:Parameter Name="addr_line_3" Type="string" Size="256" /> <asp:Parameter Name="postcode" Type="string" Size="32" /> <asp:Parameter Name="county" Type="string" Size="128" /> <asp:Parameter Name="town_city" Type="string" Size="256" /> <asp:Parameter Name="tl_url" Type="string" Size="256" /> <asp:Parameter Name="customer_id" Type="string" Size="16" /> <asp:Parameter Name="region_id" Type="Int16" /> <asp:Parameter Name="description" Type="string" Size="1024" /> <asp:Parameter Name="approval_status" Type="string" Size="1" /> <asp:Parameter Name="tl_user_name" Type="string" Size="256" /> <asp:Parameter Name="phone" Type="string" Size="50" /> <asp:Parameter Name="uploaders_own" Type="Int16" /> </UpdateParameters> Here's the update statement: UPDATE myTable SET business_name = ?, addr_line_1 = ?, addr_line_2 = ?, addr_line_3 = ?, postcode = ?, county = ?, town_city = ?, tl_url = ?, customer_id = ?, region_id = ?, description = ?, approval_status = ?, tl_user_name = ?, phone = ?, uploaders_own = ? WHERE id = " + id Here's the stack trace: [InvalidOperationException: 'id' parameter is missing at the statement] CoreLab.MySql.r.a() +775 CoreLab.MySql.r.a(Int32& A_0, ArrayList& A_1) +448 CoreLab.MySql.x.e() +398 CoreLab.MySql.x.o() +89 CoreLab.MySql.MySqlCommand.a(CommandBehavior A_0, IDisposable A_1, Int32 A_2, Int32 A_3) +1306 CoreLab.Common.DbCommandBase.ExecuteDbDataReader(CommandBehavior behavior) +310 System.Data.Common.DbCommand.ExecuteReader() +12 CoreLab.Common.DbCommandBase.ExecuteNonQuery() +64 System.Web.UI.WebControls.SqlDataSourceView.ExecuteDbCommand(DbCommand command, DataSourceOperation operation) +386 System.Web.UI.WebControls.SqlDataSourceView.ExecuteUpdate(IDictionary keys, IDictionary values, IDictionary oldValues) +325 System.Web.UI.DataSourceView.Update(IDictionary keys, IDictionary values, IDictionary oldValues, DataSourceViewOperationCallback callback) +92 System.Web.UI.WebControls.DetailsView.HandleUpdate(String commandArg, Boolean causesValidation) +837 System.Web.UI.WebControls.DetailsView.HandleEvent(EventArgs e, Boolean causesValidation, String validationGroup) +509 System.Web.UI.WebControls.DetailsView.OnBubbleEvent(Object source, EventArgs e) +95 System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) +37 System.Web.UI.WebControls.DetailsViewRow.OnBubbleEvent(Object source, EventArgs e) +113 System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) +37 System.Web.UI.WebControls.LinkButton.OnCommand(CommandEventArgs e) +118 System.Web.UI.WebControls.LinkButton.RaisePostBackEvent(String eventArgument) +135 System.Web.UI.WebControls.LinkButton.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +10 System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +13 System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +175 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1565 Does anyone know what I'm doing wrong? Thanks, Annelie

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  • tomcat resource missing, servlet not running

    - by user2837260
    import javax.servlet.*; import java.io.*; public class MyServlet implements Servlet { public void init(ServletConfig con) {} public void service(ServletRequest req, ServletResponse res) throws IOException,ServletException { res.setContentType("text/html"); PrintWriter out=res.getWriter(); String s="blah"; String s1="blah"; out.println("<html><body>"); if((s.equals(req.getParameter("firstname")))&&(s1.equals(req.getParameter("pwd")))) out.println("passwords match"); else out.println("password and name combo does not match"); out.println("</body></html>"); } public void destroy() {} public ServletConfig getServletConfig() { return null;} public String getServletInfo() { return null;} } this is my java file with the servlet class.its saved with the name MyServlet.java and so is the class file. and here is the xml file: <web-app> <servlet> <servlet-name>demoo</servlet-name> <servlet-class>MyServlet</servlet-class> </servlet> <servlet-mapping> <servlet-name>demoo</servlet-name> <url-pattern>/demo</url-pattern> </servlet-mapping> </web-app> i have made the folder as WEB-INF and then classes... WEB-INF also contains the .xml file but when i try to run the servlet , it says resource not found ps- i am already looking for the servlet with the name :demo localhost:8081/s1/demo* s1 is the war file * a html file in the war file seems to run fine on the server though. *

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  • Running a Job only once Using Quartz

    - by Kaddy
    Is there a way i could run a job only once using Quartz (java). I understand it does not make sense to use Quartz in this case but the thing is i have multiple jobs and they are run multiple times so i am using Quartz. Is this even possible.

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  • getting java.lang.OutOfMemoryError exception while running a Midlet (using netbeans)

    - by Jeeka
    I am writing a Midlet(using Netbeans) which reads a file containing exactly 2400 lines (each line being 32 characters long) and (extract a part of each line) puts them in an array. I am doing the same for 11 such files( all files have exactly 2400 lines).The Midlet runs fine for reading 6 files and putting them in 6 arrays. However, the Midlet stops while doing it for the 7th file throwing the following exception: TRACE: , startApp threw an Exception java.lang.OutOfMemoryError (stack trace incomplete) java.lang.OutOfMemoryError (stack trace incomplete) I have tried the modifying the netbeans.conf file to increase the heap memory ( as suggested by many forums and blogs) but nothing works for me. Here are the parameters that i had modified in the netbeans.conf file: -J-Xss2m -J-Xms1024m -J-Xmx1024m -J-XX:PermSize=1024m -J-XX:MaxPermSize=1536m -J-XX:+UseConcMarkSweepGC -J-XX:+CMSClassUnloadingEnabled -J-XX:+CMSPermGenSweepingEnabled Can anyone please help me to get me out of this ! I badly need this to be sorted out ASAP ! Thanks in advance !

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  • Tab widget example not running

    - by michbeck
    I'm trying to reproduce the tabwidget example (http://developer.android.com/resources/tutorials/views/hello-tabwidget.html). I'm not really sure what's the problem, I got no errors while compiling, but i cannot see the application on the emulators screen. It would be excellent if maybe anyone could have a look at my classes and tell me what's my mistake? I've packed my project here: http://etanto.com/TabTest.zip here's the console dump while the run: [2010-06-10 09:18:34 - TabTest] Launching a new emulator with Virtual Device 'Virtual1' [2010-06-10 09:18:35 - TabTest] New emulator found: emulator-5554 [2010-06-10 09:18:35 - TabTest] Waiting for HOME ('android.process.acore') to be launched... [2010-06-10 09:19:05 - TabTest] WARNING: Application does not specify an API level requirement! [2010-06-10 09:19:05 - TabTest] Device API version is 8 (Android 2.2) [2010-06-10 09:19:05 - TabTest] HOME is up on device 'emulator-5554' [2010-06-10 09:19:05 - TabTest] Uploading TabTest.apk onto device 'emulator-5554' [2010-06-10 09:19:05 - TabTest] Installing TabTest.apk... [2010-06-10 09:19:22 - TabTest] Success! [2010-06-10 09:19:22 - TabTest] \TabTest\bin\TabTest.apk installed on device [2010-06-10 09:19:22 - TabTest] Done!

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  • Does anyone have experience simultaneously running a Drupal and Wordpress site and redirecting some

    - by DKinzer
    This is a really weird question and I apologize: I've been asked if it's possible not to import our blog from Wordpress to Drupal but just keep it in Wordpress as an archive and re-direct our users say from hostname/blog/... to hostname/wordpress/... when a URL matches the Wordpress URL pattern. I've never heard of anyone trying this and I'm wondering about pitfalls and whether or not it's even possible. Thanks! D

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  • SQL Server Multiple Running Totals

    - by Nai
    I have a table like this UserID Score Date 5 6 2010-1-1 7 8 2010-1-2 5 4 2010-1-3 6 3 2010-1-4 7 4 2010-1-5 6 1 2010-1-6 I would like to get a table like this UserID Score RunningTotal Date 5 6 6 2010-1-1 5 4 10 2010-1-3 6 3 3 2010-1-4 6 1 4 2010-1-6 7 8 8 2010-1-2 7 4 12 2010-1-5 Thanks!

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  • Running a graph returns E_FAIL

    - by Manish
    Hi, I have been struggling for a while now to get my filter graph to run .I am trying to crop a .wmv file into smaller duration .wmv files .It looks quite a simple task I dont know why its is getting so complicated.I follow this Source- SampleGrabber-WMA sf writer. Here is my code IBaseFilter* pASFWriter; ICaptureGraphBuilder2 * pBuilder=NULL; CoCreateInstance(CLSID_CaptureGraphBuilder2,NULL,CLSCTX_INPROC_SERVER,IID_ICaptureGraphBuilder2,(LPVOID*)&pBuilder); pBuilder-SetFiltergraph(pGraphBuilder); pBuilder-SetOutputFileName(&MEDIASUBTYPE_Asf,OUTFILE,&pASFWriter,NULL); IConfigAsfWriter *pConfig=NULL; HRESULT hr80 = pASFWriter-QueryInterface(IID_IConfigAsfWriter, (void**)&pConfig); if (SUCCEEDED(hr80)) { // Configure the ASF Writer filter. pConfig-Release(); } IBaseFilter *pSource=NULL; pGraphBuilder->AddSourceFilter(FILENAME,L"Source",&pSource); IBaseFilter *pGrabberF2=NULL; ISampleGrabber *pGrabber2=NULL; CoCreateInstance(CLSID_SampleGrabber,NULL,CLSCTX_INPROC_SERVER,IID_PPV_ARGS(&pGrabberF2)); pGraphBuilder->AddFilter(pGrabberF2,L"Sample Grabber2"); AM_MEDIA_TYPE mt1; ZeroMemory(&mt1,sizeof(mt1)); mt1.majortype=MEDIATYPE_Video; mt1.subtype=MEDIASUBTYPE_RGB24; pGrabberF2->QueryInterface(IID_ISampleGrabber,(void**)(&pGrabber2)); pGrabber2->SetBufferSamples(TRUE); pGrabber2->SetOneShot(FALSE); pGrabber->SetMediaType(&mt1); pSource->EnumPins(&pEnum2); pEnum2->Next(1,&pPin2,NULL); HRESULT hr108=ConnectFilters(pGraphBuilder,pPin2,pGrabberF2);//Source to Grabber pGrabberF2->EnumPins(&pEnum3); IEnumPins *pEnum4=NULL; pASFWriter->EnumPins(&pEnum4); IPin* pPin4=NULL; while (S_OK==pEnum3->Next(1,&pPin3,NULL)&& S_OK==pEnum4->Next(1,&pPin4,NULL)){ pGraphBuilder->Connect(pPin3,pPin4);//Grabber to FileWriter } pGraphBuilder->RenderFile(FILENAME,NULL);//FILENAME=INPUTFILENAME (.wmv format) pMediaPosition->put_CurrentPosition(start); pMediaPosition->put_StopTime(stop); HRESULT test1=pMediaControl->Run(); All of it runs fine(returns S_OK) .But test1 returns E_FAIL and no file is created.Can somebody help?

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  • alternatives to eval for running remote code.

    - by Raynos
    Are there any alternatives to using eval to immediatly run remote & trusted javascript code. function load(filePath) { var o = $.ajax({ url: filePath, dataType: 'html', async: false }); eval(o.responseText); } load("somePath"); // run a function that relies on the code from o.responseText being loaded doSomethingWithCode(); I'm aware that synchronous loading of javascript is adviced againts. But if there is no choice are there any cross browser alternatives for the use of eval above. [Edit] To clarify in more detail the code being loaded is a self executing function. Which needs to execute before doSomethingWidthCode. It's also being loaded from the server on the same domain hence its trusted.

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  • Just in time debugger is popping up when debugging service client

    - by MAHESH K .M
    I have created as WCF service and hosted in IIS . This service is calling from another web application. When I am trying to debug the service calling event in the web application, the Just-in-Time debugger is popping up. It is running fine in the normal mode. Only in the debug mode the service is not running and JIT debugger is popping up also Why it happens? How to debug the service call in this scenario? The service is in .NET 4 and the web application is in .net 1.1 Thanks in advance Mahesh.

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  • Running a batch file with parameters in python OR F#

    - by Ramy
    I searched the site but didn't see anything quite matching what I was looking for. I created a stand alone application that uses a web service I created. To run the client I use: c:/scriptsdirecotry "run-client.bat" param1 param2 param3 param4 how would I go about coding this in python or F#. seems like it should be pretty simple but I haven't seen anything online that quite matches what i'm looking for. Thanks in advance.

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  • Quarter as a Count variable in SAS.

    - by John
    Hye Guys, I'm busy working on a time series and am trying to find the commands that allow me to insert a quarter count variable. To keep things simple, the third quarter of 1995 (date my observations start) should be quarter -2, the fourth quarter of 1995 should be -1 etc etc uptill 2006 (should be somewhere around 45 by then). My dates are in date9 format, such as 20JUN04 etc.. Anyone who can help me with the commands I need t o let this work in SAS? Thanks

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  • Running Maven Goals in CLI.

    - by Jeeyoung Kim
    Hello, I have a maven pom.xml file with multiple instances of a same goal defined (inside with different s). I'm wondering how I can run a specific goal via maven command line. I've tried mvn --help, but I couldn't find an entry regarding this.

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  • Scala newbie vproducer/consumer attempt running out of memory

    - by Nick
    I am trying to create a producer/consumer type Scala app. The LoopControl just sends a message to the MessageReceiver continually. The MessageReceiver then delegates work to the MessageCreatorActor (whose work is to check a map for an object, and if not found create one and start it up). Each MessageActor created by this MessageCreatorActor is associated with an Id. Eventually this is where I want to do business logic. But I run out of memory after 15 minutes. Its finding the cached actors,but quickly runs out of memory. Any help is appreciated. Or any one has any good code on producers consumers doing real stuff (not just adding numbers), please post. import scala.actors.Actor import java.util.HashMap import scala.actors.Actor._ case object LoopControl case object MessageReceiver case object MessageActor case object MessageActorCreator class MessageReceiver(msg: String) extends Actor { var messageActorMap = new HashMap[String, MessageActor] val messageCreatorActor = new MessageActorCreator(null, null) def act() { messageCreatorActor.start loop { react { case MessageActor(messageId) => if (msg.length() > 0) { var messageActor = messageActorMap.get(messageId); if(messageActor == null) { messageCreatorActor ! MessageActorCreator(messageId, messageActorMap) }else { messageActor ! MessageActor } } } } } } case class MessageActorCreator(msg:String, messageActorMap: HashMap[String, MessageActor]) extends Actor { def act() { loop { react { case MessageActorCreator(messageId, messageActorMap) => if(messageId != null ) { var messageActor = new MessageActor(messageId); messageActorMap.put(messageId, messageActor) println(messageActorMap) messageActor.start messageActor ! MessageActor } } } } } class LoopControl(messageReceiver:MessageReceiver) extends Actor { var count : Int = 0; def act() { while (true) { messageReceiver ! MessageActor ("00-122-0X95-FEC0" + count) //Thread.sleep(100) count = count +1; if(count > 5) { count = 0; } } } } case class MessageActor(msg: String) extends Actor { def act() { loop { react { case MessageActor => println() println("MessageActor: Got something-> " + msg) } } } } object messages extends Application { val messageReceiver = new MessageReceiver("bootstrap") val loopControl = new LoopControl(messageReceiver) messageReceiver.start loopControl.start }

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  • Catching and outputting stderr at the same time with python's subprocess

    - by Mediocre Gopher
    (Using python 3.2 currently) I need to be able to: Run a command using subprocess Both stdout/stderr of that command need be printed to the terminal in real-time (it doesn't matter if they both come out on stdout or stderr or whatever At the same time, I need a way to know if the command printed anything to stderr (and preferably what it printed). I've played around with subprocess pipes as well as doing strange pipe redirects in bash, as well as using tee, but as of yet haven't found anything that would work. Is this something that's possible?

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  • SQL simple selection of rows according to their time

    - by iracema78280
    Hello, I have a table with measures and the time this measures have been taken in the following form: MM/DD/YYYY HH:MI:SS AM. I have measures over many days starting at the same time every day.The datas are minute by minute so basically the seconds are always = 0. I want to select only the measures for the first 5 minutes of each day. I would have used the where statement but the condition would only be on the minutes and note the date is there a way to do this? Thanks

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  • C# Running several tasks at different intervals

    - by Nir
    A design question: I'd like to build a Windows service that executes different commands at different intervals. For simplicity's sake, let's say I want to run some batch files. The input it gets is a list of files and the intervals at which to execute. For example: a.bat - 4 minutes b.bat - 1 minute c.bat - 1 minute d.bat - 2 minutes I was thinking about sorting them according to intervals, and then setting a timer for each of the intervals. I'm not sure this is the best solution and I'd be happy to hear some feedbacks. Thanks!

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  • Software to watch movies at the same time and chat

    - by Thomaschaaf
    Hello! Sometimes I want to watch a movie with friends... them not always being near me makes it hard to do this. Usually everyone will either rent the dvd or get a copy online mostly as .avi files. Usually we all have chat windows open and when one has to pause to get a drink or because of some other reason it is VERY hard to resync. Is there software to handle this? The file could be hosted on linux machines in the cloud if that would be any help :) Greetings, Thomas

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  • Third party Application's Idle Session expiry

    - by Manjoor
    We have a third party application running. It shows login dialog when idle for 20 minutes. We need to prevent the application to display login screen. We do not have any idea how idle state is handled internally in that application. We have done the follwoing with no luck. Created an small application in c# which focus it after every 5 minutes (using SetForegroundWindow()) and send a BM_CLICK message to one of its child window. Does not work. focus it after every 5 minutes (using SetForegroundWindow()) and move the cursor few pixels then restore cursor at its previous position. This does not work too! Is there any other way to achieve the goal?

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  • running Echo from Java

    - by ripper234
    I'm trying out the Runtime.exec() method to run a command line process. I wrote this sample code, which runs without problems but doesn't produce a file at c:\tmp.txt. String cmdLine = "echo foo > c:\\tmp.txt"; Runtime rt = Runtime.getRuntime(); Process pr = rt.exec(cmdLine); BufferedReader input = new BufferedReader( new InputStreamReader(pr.getInputStream())); String line; StringBuilder output = new StringBuilder(); while ((line = input.readLine()) != null) { output.append(line); } int exitVal = pr.waitFor(); logger.info(String.format("Ran command '%s', got exit code %d, output:\n%s", cmdLine, exitVal, output)); The output is INFO 21-04 20:02:03,024 - Ran command 'echo foo c:\tmp.txt', got exit code 0, output: foo c:\tmp.txt

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