Search Results

Search found 42090 results on 1684 pages for 'mean square method'.

Page 491/1684 | < Previous Page | 487 488 489 490 491 492 493 494 495 496 497 498  | Next Page >

  • java.lang.NoSuchMethodError: main when starting HelloWorld with Eclipse Scala plugin

    - by Matt Sheppard
    I've just been playing with Scala, and installed the Eclipse plugin as described at http://www.scala-lang.org/node/94, but after entering the "Hello World" test example and setting up the run configuration as described, I get the following error Exception in thread "main" java.lang.NoSuchMethodError: main For reference the code is package hello object HelloWorld extends Application { println("Hello World!") } I've tinkered a bit with the obvious solutions (adding a main method, adding a singleton object with a main method) but I'm clearly doing something wrong. Can anyone get their test example to work, or point out what I am doing wrong?

    Read the article

  • Any good example about Autocomplete with Zend Framework? (JQuery and ZendX)

    - by joanballester
    Hi guys, I have a problem, I don't find good examples of "autocomplete" with zend framework (using jQuery with zendx). I need one that works to understand how to develop it. Someone has done it? Thank you very much in advance PS: I know how to do it without ZendX, I mean, doing the form myself (and using jquery as usual with a autocomplete.php file using the parameter typed in the input field), but I would like to use the zend framework properly, so I would like to know if someone has made it.

    Read the article

  • android.app.Application subclass, onTerminate is not being called

    - by synic
    From the documentation for android.app.Application: "Base class for those who need to maintain global application state" I am using my own subclass to maintain an object that I'm using to query a server. Also from the documentation: "onTerminate() Called when the application is stopping." However, onTerminate() in my class is never called. I press the back button while viewing my main activity, and everything seems to shut down. My main Activity's onDestroy() method is called and isFinishing() returns true, but my android.app.Application's onTerminate() method is never called. Why is this? What am I missing? Is there something that is keeping it open?

    Read the article

  • call setListAdapter() from inside a thread

    - by Mats Hofman
    Hi, I have a problem with my ListActivity, i use a thread to show a ProgressDialog where get a list of all installed applications. I turn it into a list adapter and than i want to set the listadapter of the activity but i can't do that from the thread. I get the following error: ERROR/AndroidRuntime(14429): android.view.ViewRoot$CalledFromWrongThreadException: Only the original thread that created a view hierarchy can touch its views. new Thread() { public void run() { showList(); // the method where i get all the apps and have the setListAdapter(); method progressDialog.dismiss(); } }.start(); How do I get it so I can use the setListAdapter from inside my thread

    Read the article

  • Test Strategy for Addins

    - by Amit
    I was wondering if someone from the forum, can help me in uderstanding the type of Testing that will be performed, I mean a Test Strategy, we need to test things like Add-ins. Also need to know how can I reply to the person who has replied to my question, I kow its a bit not so mature quesiton, but if someone can explain. Regards Amit

    Read the article

  • Can someone clarify what this Joel On Software quote means?

    - by Bob
    I was reading Joel On Software today and ran across this quote: Without understanding functional programming, you can't invent MapReduce, the algorithm that makes Google so massively scalable. The terms Map and Reduce come from Lisp and functional programming. MapReduce is, in retrospect, obvious to anyone who remembers from their 6.001-equivalent programming class that purely functional programs have no side effects and are thus trivially parallelizable. What does he mean when he says functional programs have no side effects? And how does this make parallelizing trivial?

    Read the article

  • What is O(n log n) or O(n log(log n))

    - by Mark Tomlin
    What does O, if indeed it is a Oh (As in the letter O) not the number Zero (0) mean? I think the n would be number, but I'm not sure as I'm not a 'real' computer programmer, just a hobbyist. And log would be logarithmic function, but I only know that because of smarter people then I have told me this, while never really explaining what a logarithm is. So please, in plain English, explain what this is, and the differences between the two (such as their applications.

    Read the article

  • Silverlight ItemsControl with Alternating ItemTemplate

    - by Ray Booysen
    Silverlight does not support Alternating Item Templates in an ItemsControl. I have a few ideas in mind as to how to accomplish this, but to avoid polluting the potential answers, I'll leave them out. If you had to design a method of providing alternating templates (and I mean a full data template) for an ItemsControl, how would you accomplish this.

    Read the article

  • How to Connect Crystal Reports to MySQL directly by C# code without DSN or a DataSet

    - by Yanko Hernández Alvarez
    How can I connect a Crystal Report (VS 2008 basic) to a MySQL DB without using a DSN or a preload DataSet using C#? I need install the program on several places, so I must change the connection parameters. I don't want to create a DSN on every place, nor do I want to preload a DataSet and pass it to the report engine. I use nhibernate to access the database, so to create and fill the additional DS would take twice the work and additional maintenance later. I think the best option would be to let the crystal reports engine to connect to MySQL server by itself using ODBC. I managed to create the connection in the report designer (VS2008) using the Database Expert, creating an ODBC(RDO) connection and entering this connection string "DRIVER={MySQL ODBC 5.1 Driver};SERVER=myserver.mydomain" and in the "Next" page filling the "User ID", "Password" and "Database" parameters. I didn't fill the "Server" parameter. It worked. As a matter of fact, if you use the former connection string, it doesn't matter what you put on the "Server" parameter, it seems the parameter is unused. On the other hand, if you use "DRIVER={MySQL ODBC 5.1 Driver}" as a connection string and later fill the "Server" parameter with the FQDN of the server, the connection doesn't work. How can I do that by code? All the examples I've seen till now, use a DSN or the DataSet method. I saw the same question posted but for PostgreSQL and tried to adapt it to mysql, but so far, no success. The first method: Rp.Load(); Rp.DataSourceConnections[0].SetConnection("DRIVER={MySQL ODBC 5.1 Driver};SERVER=myserver.mydomain", "database", "user", "pass"); Rp.ExportToDisk(ExportFormatType.PortableDocFormat, "report.pdf"); raise an CrystalDecisions.CrystalReports.Engine.LogOnException during ExportToDisk Message="Logon failed.\nDetails: IM002:[Microsoft][ODBC Driver Manager] Data source name not found and no default driver specified.\rError in File temporal file path.rpt:\nUnable to connect: incorrect log on parameters. the InnerException is an System.Runtime.InteropServices.COMException with the same message and no InnerException The "no default driver specified" makes me wonder if the server parameter is unused here too (see above). In that case: How can I specify the connection string? I haven't tried the second method because it doesn't apply. Does anybody know the solution?

    Read the article

  • How to Generate Server-Side tags dynamiclly

    - by Nasser Hajloo
    I have an ASP.net page which contains some controls. I generate this controls by code, [Actually I have a method which uses a stringBuilder and add Serverside tag as flat string on it] My page shows the content correctly but unfortunately my controls became like a Client-side control For example I had a LoginView on my generated code which dosen't work, and also I had read some string from LocalResources which dosen't appear on the page What Should I do to make my generating method correct here is the code protected string CreateSubSystem(string id, string roles, string AnonymousTemplateClass, string href, string rolesContentTemplateClass, string LoggedInTemplateClass) { StringBuilder sb = new StringBuilder(); sb.Append("<div class=\"SubSystemIconPlacement\" id=\""); sb.Append(id); sb.Append("\"><asp:LoginView runat=\"server\" ID=\""); sb.Append(id); sb.Append("\"><AnonymousTemplate><div class=\""); sb.Append(AnonymousTemplateClass); sb.Append("\"></div><asp:Label ID=\"lblDisabled"); sb.Append(id); sb.Append("\" runat=\"server\" SkinID=\"OneColLabel\" meta:resourcekey=\"lbl"); sb.Append(id); sb.Append("\" /></AnonymousTemplate><RoleGroups><asp:RoleGroup Roles=\""); sb.Append(roles); sb.Append("\"><ContentTemplate><a class=\"ImageLink\" href=\""); sb.Append(href); sb.Append("\"><div class=\""); sb.Append(rolesContentTemplateClass); sb.Append("\"></div></a><asp:HyperLink runat=\"server\" CssClass=\"SubSystemText\" ID=\"lnk"); sb.Append(id); sb.Append(" NavigateUrl=\"~/"); sb.Append(href); sb.Append(" \" meta:resourcekey=\"lbl"); sb.Append(id); sb.Append("\" /></ContentTemplate></asp:RoleGroup></RoleGroups><LoggedInTemplate><div class=\""); sb.Append(LoggedInTemplateClass); sb.Append("\"></div><asp:Label runat=\"server\" SkinID=\"OneColLabel\" ID=\"lblDisabledLoggedIn"); sb.Append(id); sb.Append("\" meta:resourcekey=\"lbl"); sb.Append(id); sb.Append("\" /></LoggedInTemplate></asp:LoginView>"); sb.Append("</div>"); return sb.ToString(); } I also use this method on page_PreRender event

    Read the article

  • Boost.Thread Linking - boost_thread vs. boost_thread-mt

    - by Robert S. Barnes
    It's not clear to me what linking options exist for the Boost.Thread 1.34.1 library. I'm on Ubuntu 8.04 and I've found that using eitherr boost_thread or boost_thread-mt during linking both compile and run, but I don't see any documentation on these or any other linking options in above link. What Boost.Thread linking options are available and what do the mean?

    Read the article

  • Why are these floats wrapping in Internet Explorer?

    - by Cord Blomquist
    My website, ReadyMadeWeb.com, looks great in FireFox, Safari, and Chrome, but of course IE has different plans for the floats used the in the #content area. You can see what I mean if you view the site in IE. The main column is pushed below the first sidebar. The content boxes and the de.licio.us sidebar both sit within another div. I have looked at overflow and clear settings, but changing those has not helped. Any ideas?

    Read the article

  • C# Design Questions

    - by guazz
    How to approach unit testing of private methods? I have a class that loads Employee data into a database. Here is a sample: public class EmployeeFacade { public Employees EmployeeRepository = new Employees(); public TaxDatas TaxRepository = new TaxDatas(); public Accounts AccountRepository = new Accounts(); //and so on for about 20 more repositories etc. public bool LoadAllEmployeeData(Employee employee) { if (employee == null) throw new Exception("..."); EmployeeRepository emps = new EmployeeRepository(); bool exists = emps.FetchExisting(emps.Id); if (!exists) { emps.AddNew(); } try { emps.Id = employee.Id; emps.Name = employee.EmployeeDetails.PersonalDetails.Active.Names.FirstName; emps.SomeOtherAttribute; } catch() {} try { emps.Save(); } catch(){} try { LoadorUpdateTaxData(employee.TaxData); } catch() {} try { LoadorUpdateAccountData(employee.AccountData); } catch() {} ... etc. for about 20 more other employee objects } private bool LoadorUpdateTaxData(employeeId, TaxData taxData) { if (taxData == null) throw new Exception("..."); ...same format as above but using AccountRepository } private bool LoadorUpdateAccountData(employee.TaxData) { ...same format as above but using TaxRepository } } I am writing an application to take serialised objects(e.g. Employee above) and load the data to the database. I have a few design question that I would like opinions on: A - I am calling this class "EmployeeFacade" because I am (attempting?) to use the facade pattern. Is it good practace to name the pattern on the class name? B - Is it good to call the concrete entities of my DAL layer classes "Repositories" e.g. "EmployeeRepository" ? C - Is using the repositories in this way sensible or should I create a method on the repository itself to take, say, the Employee and then load the data from there e.g. EmployeeRepository.LoadAllEmployeeData(Employee employee)? I am aim for cohesive class and but this will requrie the repository to have knowledge of the Employee object which may not be good? D - Is there any nice way around of not having to check if an object is null at the begining of each method? E - I have a EmployeeRepository, TaxRepository, AccountRepository declared as public for unit testing purpose. These are really private enities but I need to be able to substitute these with stubs so that the won't write to my database(I overload the save() method to do nothing). Is there anyway around this or do I have to expose them? F - How can I test the private methods - or is this done (something tells me it's not)? G- "emps.Name = employee.EmployeeDetails.PersonalDetails.Active.Names.FirstName;" this breaks the Law of Demeter but how do I adjust my objects to abide by the law?

    Read the article

  • "SSH server" in Windows?

    - by Benjamin Oakes
    I have some command-line commands to execute on a Windows machine. The programs I need to run are only available on Windows. Is there a way to easily to do something like I would do with SSH? Example of what I mean: ssh [email protected] "remote command to execute" ...or do I have to Remote Desktop just to do this? (I'd like to run the commands programmatically from another computer rather than running them by hand.)

    Read the article

  • Cannot set up dual monitors correctly in Fedora15 with KDE.

    - by adivasile
    I have 2 monitors: 24" LCD connected via DVI(primary) 19" LCD connected via VGA(secondary) Everytime Fedora starts the second display is always set to clone the first one and they both run at 1280x1024 and I always have to disable the 19" monitor, in order for the bigger one to run at 1920x1080. I want to set them up so that my secondary monitor extends the primary one.The problem is that no matter what kind of configuration I choose it has no effect.My secondary monitor remains disabled. I've tried using both the Display manager from KDE and the ATI Control Panel and the behaviour is always the same.The moment I click apply, the screen flickers and nothing changes. I've succesfully used the extended setup in Fedora15 with Gnome3. I have a RadeonHD 4300 series videocard and I'm using the drivers downloaded from the AMD site. This is the output of xrandr -q : Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 1920 x 1920 VGA-0 connected (normal left inverted right x axis y axis) 1280x1024 75.0 60.0 1280x960 60.0 1152x864 75.0 1024x768 75.0 70.1 66.0 60.0 832x624 74.6 800x600 72.2 75.0 60.3 56.2 640x480 75.0 72.8 66.7 59.9 720x400 70.1 DVI-0 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 477mm x 268mm 1920x1080 60.0*+ 60.0 1680x1050 59.9 1600x900 60.0 1280x1024 75.0 60.0 1280x960 60.0 1152x864 75.0 1280x720 60.0 1152x720 60.0 1024x768 75.0 60.0 832x624 74.6 800x600 75.0 60.3 640x480 75.0 59.9 720x400 70.1 Later edit: The problem seems to come from the ATI drivers.I managed to set up the monitors like I wanted after I uninstalled the drivers. Unfortunately I'm working on an OpenCL project so I had to reinstall them.The moment I did that, all my previous settings were forgotten and I was back to square one.

    Read the article

  • strange MPMoviePlayer problem

    - by Rahul Vyas
    I am using mpmovieplayer in my application.I have a button for playing movie witch has an image of play.But when mpmovieplayer plays movie i can see that button on movie player's overlying controlls like when i pause movie i see my play button instead of movie player's default button.Also i have customized navigation bar and i can see that navbar when movie plays instead of default nav bar.I tried hiding button when playing movie but it didn't worked.Does Someone knows about this issue? also i am having cropping of video issues does someone knows about how to handle video orientation i mean i want full video in any orientation recorded video.Thanks

    Read the article

  • C++ Linker Error SDL Image - could not read symbols

    - by Matt H
    Hi, I'm trying to use the SDL_Image library and I've added the .so to the link libraries list for my project (I'm using Code::Blocks, by the way). After doing this, when I go to compile, I get this error: Linking console executable: bin/Debug/ttfx /usr/lib32/libSDL_image-1.2.so: could not read symbols: File in wrong format What does this mean and how can I get it working? Thanks!

    Read the article

  • prevent the designer from calling a getter (VS 2008, WinForms)

    - by LLEA
    hi, I have a simple UserControl containing a ComboBox which is empty at first. The setter for that CB adds items to it and the getter returns the selected item. When adding this UC to a Form, the designer automatically calls the getter for the CB which is empty. The method to fill up the CB with items is called later. I can think of one or two ways to bypass this problem by "messing around" in the code. But before I start that I'd like to ask you if there is a way to stop the designer from calling the getter method. Maybe with a attribute similar to Browsable or Bindable? thx

    Read the article

  • Some questions about writing on ASP.NET response stream

    - by vtortola
    Hi, I'm making tests with ASP.NET HttpHandler for download a file writting directly on the response stream, and I'm not pretty sure about the way I'm doing it. This is a example method, in the future the file could be stored in a BLOB in the database: public void GetFile(HttpResponse response) { String fileName = "example.iso"; response.ClearHeaders(); response.ClearContent(); response.ContentType = "application/octet-stream"; response.AppendHeader("Content-Disposition", "attachment; filename=" + fileName); using (FileStream fs = new FileStream(Path.Combine(HttpContext.Current.Server.MapPath("~/App_Data"), fileName), FileMode.Open)) { Byte[] buffer = new Byte[4096]; Int32 readed = 0; while ((readed = fs.Read(buffer, 0, buffer.Length)) > 0) { response.OutputStream.Write(buffer, 0, readed); response.Flush(); } } } But, I'm not sure if this is correct or there is a better way to do it. My questions are: When I open the url with the browser, appears the "Save File" dialog... but it seems like the server has started already to push data into the stream before I click "Save", is that normal? If I remove the line"response.Flush()", when I open the url with the browser, ... I see how the web server is pushing data but the "Save File" dialog doesn't come up, (or at least not in a reasonable time fashion) why? When I open the url with a WebRequest object, I see that the HttpResponse.ContentLength is "-1", although I can read the stream and get the file. What is the meaning of -1? When is HttpResponse.ContentLength going to show the length of the response? For example, I have a method that retrieves a big xml compresed with deflate as a binary stream, but in that case... when I access it with a WebRequest, in the HttpResponse I can actually see the ContentLength with the length of the stream, why? What is the optimal length for the Byte[] array that I use as buffer for optimal performance in a web server? I've read that is between 4K and 8K... but which factors should I consider to make the correct decision. Does this method bloat the IIS or client memory usage? or is it actually buffering the transference correctly? Sorry for so many questions, I'm pretty new in web development :P Cheers.

    Read the article

  • 401 error when consuming a Web service with HTTP Basic authentication using CXF

    - by seanhodges
    I'm trying to consume a remote Web service that uses HTTP basic authentication, using Apache CXF, within a JUnit test. The error I am getting is: javax.xml.ws.WebServiceException: Failed to access the WSDL at: http://localhost:8080/services/MyService?wsdl. It failed with: Server returned HTTP response code: 401 for URL: http://localhost:8080/services/MyService?wsdl. at com.sun.xml.internal.ws.wsdl.parser.RuntimeWSDLParser.tryWithMex(RuntimeWSDLParser.java:151) at com.sun.xml.internal.ws.wsdl.parser.RuntimeWSDLParser.parse(RuntimeWSDLParser.java:133) at com.sun.xml.internal.ws.client.WSServiceDelegate.parseWSDL(WSServiceDelegate.java:254) at com.sun.xml.internal.ws.client.WSServiceDelegate.<init>(WSServiceDelegate.java:217) at com.sun.xml.internal.ws.client.WSServiceDelegate.<init>(WSServiceDelegate.java:165) at com.sun.xml.internal.ws.spi.ProviderImpl.createServiceDelegate(ProviderImpl.java:93) at javax.xml.ws.Service.<init>(Service.java:76) at com.wave2.marketplace.importer.impl.adportal.ws.MyServiceService.<init>(MyServiceService.java:37) at com.wave2.marketplace.importer.impl.adportal.MyWSTest.testConsumingTheWS(MyWSTest.java:22) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:616) at junit.framework.TestCase.runTest(TestCase.java:168) at junit.framework.TestCase.runBare(TestCase.java:134) at junit.framework.TestResult$1.protect(TestResult.java:110) at junit.framework.TestResult.runProtected(TestResult.java:128) at junit.framework.TestResult.run(TestResult.java:113) at junit.framework.TestCase.run(TestCase.java:124) at junit.framework.TestSuite.runTest(TestSuite.java:232) at junit.framework.TestSuite.run(TestSuite.java:227) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:46) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197) Caused by: java.io.IOException: Server returned HTTP response code: 401 for URL: http://localhost:8080/services/MyService?wsdl at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1269) at java.net.URL.openStream(URL.java:1029) at com.sun.xml.internal.ws.wsdl.parser.RuntimeWSDLParser.createReader(RuntimeWSDLParser.java:793) at com.sun.xml.internal.ws.wsdl.parser.RuntimeWSDLParser.resolveWSDL(RuntimeWSDLParser.java:251) at com.sun.xml.internal.ws.wsdl.parser.RuntimeWSDLParser.parse(RuntimeWSDLParser.java:118) ... 26 more Having read this StackOverflow post, I have attempted to add the auth credentials to my request context, as follows: @Test public void testConsumingTheWS() throws Exception { URL wsdl = new URL("http://localhost:8080/services/MyService?wsdl"); MyServiceService provider = new MyServiceService(wsdl); // <-- Error occurs here MyService service = provider.getMyService(); BindingProvider binding = (BindingProvider)service; binding.getRequestContext().put(BindingProvider.USERNAME_PROPERTY, "username"); binding.getRequestContext().put(BindingProvider.PASSWORD_PROPERTY, "password"); Ping out = service.getPing(); assertNotNull(out); } However, as my in-line comment indicates, the error is occurring before the BindingProvider code is reached, so the error remains the same. I did have a read of this article and its follow-up, but so far I've had trouble determining how to go about adding the interceptor code without the use of Spring (this is for a JUnit test). How might I go about authenticating against this Web service?

    Read the article

  • Account verification Yelp style, how is it more "secure" than traditional verification?

    - by Chad
    For business owners to "take control" of their business page on Yelp, they register for it. The Yelp system performs a telephone call-back. From watching to the video here, it sounds like a telephone version of what we all typically do - e-mail check. For e-mail check, it basically goes like this: User registers verify e-mail sent they click link inside verify e-mail site verifies Here's Yelp's: User registers verify screen shown with code Yelp calls user user enters code site verifies It's essentially the same thing, via phone. Is there any reason you can see why this method is better than the e-mail method?

    Read the article

< Previous Page | 487 488 489 490 491 492 493 494 495 496 497 498  | Next Page >