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  • How do I validate a RadioButton on MVC?

    - by user54197
    I am using a client side validation and it is starting to get messy, considering I am making a form. With all the textbox and radio button validations, the controller will be overwhelmed. How do I validate and display the error Message for Radio Buttons and multiple textboxes in MVC on the MODEL side? A simplified version of what I have. MODEL... public class ModelData { public string ContactName { get; set; } public string ContactAddress { get; set; } public string ContactPhone { get; set; } public string RadioPoliceFire { get; set; } public string RadioComplaint { get; set; } //The following is a Failure :( public string RadioType { if (RadioType == null) {return "Type Required";} return null; } //End Failure } CONTROLLER... [AcceptVerbs(HttpVerbs.Post)] public ActionResult Info(ModelData InfoData) { if (infoData.RadioType == null) {ModelState.AddModelError("RadioType", "Type Required");} try { ... return RedirectToAction("Confirmation"); catch {ModelState.AddModelError("RadioComplaint", "Error");} }

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  • Mocking the CAL EventAggregator with Moq

    - by toxvaerd
    Hi, I'm using the Composite Application Library's event aggregator, and would like to create a mock for the IEventAggregator interface, for use in my unit test. I'm planning on using Moq for this task, and an example test so far looks something like this: var mockEventAggregator = new Mock<IEventAggregator>(); var mockImportantEvent = new Mock<ImportantEvent>(); mockEventAggregator.Setup(e => e.GetEvent<SomeOtherEvent>()).Returns(new Mock<SomeOtherEvent>().Object); mockEventAggregator.Setup(e => e.GetEvent<SomeThirdEvent>()).Returns(new Mock<SomeThirdEvent>().Object); // ... mockEventAggregator.Setup(e => e.GetEvent<ImportantEvent>()).Returns(mockImportantEvent.Object); mockImportantEvent.Setup(e => e.Publish(It.IsAny<ImportantEventArgs>())); // ...Actual test... mockImportantEvent.VerifyAll(); This works fine, but I would like know, if there is some clever way to avoid having to define an empty mock for every event-type my code might encounter (SomeOtherEvent, SomeThirdEvent, ...)? I could of course define all my events this way in a [TestInitialize] method, but I would like to know if there is a more clever way? :-)

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  • Blob container creation exception ...

    - by Egon
    I get an exception every time I try to create a container for the blob using the following code blobStorageType = storageAccInfo.CreateCloudBlobClient(); ContBlob = blobStorageType.GetContainerReference(containerName); //everything fine till here ; next line creates an exception ContBlob.CreateIfNotExist(); Microsoft.WindowsAzure.StorageClient.StorageClientException was unhandled Message="One of the request inputs is out of range." Source="Microsoft.WindowsAzure.StorageClient" StackTrace: at Microsoft.WindowsAzure.StorageClient.Tasks.Task1.get_Result() at Microsoft.WindowsAzure.StorageClient.Tasks.Task1.ExecuteAndWait() at Microsoft.WindowsAzure.StorageClient.TaskImplHelper.ExecuteImplWithRetry[T](Func2 impl, RetryPolicy policy) at Microsoft.WindowsAzure.StorageClient.CloudBlobContainer.CreateIfNotExist(BlobRequestOptions options) at Microsoft.WindowsAzure.StorageClient.CloudBlobContainer.CreateIfNotExist() at WebRole1.BlobFun..ctor() in C:\Users\cloud\Documents\Visual Studio 2008\Projects\CloudBlob\WebRole1\BlobFun.cs:line 58 at WebRole1.BlobFun.calling1() in C:\Users\cloud\Documents\Visual Studio 2008\Projects\CloudBlob\WebRole1\BlobFun.cs:line 29 at AzureBlobTester.Program.Main(String[] args) in C:\Users\cloud\Documents\Visual Studio 2008\Projects\CloudBlob\AzureBlobTester\Program.cs:line 19 at System.AppDomain._nExecuteAssembly(Assembly assembly, String[] args) at System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args) at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly() at System.Threading.ThreadHelper.ThreadStart_Context(Object state) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) at System.Threading.ThreadHelper.ThreadStart() InnerException: System.Net.WebException Message="The remote server returned an error: (400) Bad Request." Source="System" StackTrace: at System.Net.HttpWebRequest.EndGetResponse(IAsyncResult asyncResult) at Microsoft.WindowsAzure.StorageClient.EventHelper.ProcessWebResponse(WebRequest req, IAsyncResult asyncResult, EventHandler1 handler, Object sender) InnerException: Do you guys knw what is it that I am doing wrong ?

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  • Problem with cascade delete using Entity Framework and System.Data.SQLite

    - by jamone
    I have a SQLite DB that is set up so when I delete a Person the delete is cascaded. This works fine when I manually delete a Person (all records that reference the PersonID are deleted). But when I use Entity Framework to delete the Person I get an error: System.InvalidOperationException: The operation failed: The relationship could not be changed because one or more of the foreign-key properties is non-nullable. When a change is made to a relationship, the related foreign-key property is set to a null value. If the foreign-key does not support null values, a new relationship must be defined, the foreign-key property must be assigned another non-null value, or the unrelated object must be deleted. I don't understand why this is occurring. My trigger is set to clean up all related objects before deleting the object it was told to delete. When I go into the model editor and check the properties of the relationship it shows no action for the OnDelete property. Why isn't this set correctly by pulling it from the DB? If I change this value to Cascade everything works properly, but I would rather not rely on this manual change because what if I refresh my model from the DB and it looses that. Here's the relivent SQL for my tables. CREATE TABLE [SomeTable] ( [SomeTableID] INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT, [PersonID] INTEGER NOT NULL REFERENCES [Person](PersonID) ON DELETE CASCADE ) CREATE TABLE [Person] ( [PersonID] INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT )

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  • C# update GUI continuously from backgroundworker.

    - by Qrew
    I have created a GUI (winforms) and added a backgroundworker to run in a separate thread. The backgroundworker needs to update 2 labels continuously. The backgroundworker thread should start with button1 click and run forever. class EcuData { public int RPM { get; set; } public int MAP { get; set; } } private void button1_Click(object sender, EventArgs e) { EcuData data = new EcuData { RPM = 0, MAP = 0 }; BackWorker1.RunWorkerAsync(data); } private void BackWorker1_DoWork(object sender, DoWorkEventArgs e) { EcuData argumentData = e.Argument as EcuData; int x = 0; while (x<=10) { // // Code for reading in data from hardware. // argumentData.RPM = x; //x is for testing only! argumentData.MAP = x * 2; //x is for testing only! e.Result = argumentData; Thread.Sleep(100); x++; } private void BackWorker1_RunWorkerCompleted_1(object sender, RunWorkerCompletedEventArgs e) { EcuData data = e.Result as EcuData; label1.Text = data.RPM.ToString(); label2.Text = data.MAP.ToString(); } } The above code just updated the GUI when backgroundworker is done with his job, and that's not what I'm looking for.

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  • DataGridView row is still dirty after committing changes

    - by Ecyrb
    DataGridView.IsCurrentRowDirty remains true after I commit changes to the database. I want to set it to false so it doesn't trigger RowValidating when it loses focus. I have a DataGridView bound to a BindingList<T>. I handle the CellEndEdit event and save changes to the database. After saving those changes I would like DataGridView.IsCurrentRowDirty to be set to true, since all cells in the row are up-to-date; however, it's set to false. This causes problems for me because when the row does lose focus it will trigger RowValidating, which I handle and validate all three cells in. So even though all the cells are valid and none are dirty it will still validate them all. That's a waste. Here's an example of what I have: void dataGridView_CellValidating(object sender, DataGridViewCellValidatingEventArgs e) { // Ignore cell if it's not dirty if (dataGridView.isCurrentCellDirty) return; // Validate current cell. } void dataGridView_RowValidating(object sender, DataGridViewCellCancelEventArgs e) { // Ignore Row if it's not dirty if (!dataGridView.IsCurrentRowDirty) return; // Validate all cells in the current row. } void dataGridView_CellEndEdit(object sender, DataGridViewCellEventArgs e) { // Validate all cells in the current row and return if any are invalid. // If they are valid, save changes to the database // This is when I would expect dataGridView.IsCurrentRowDirty to be false. // When this row loses focus it will trigger RowValidating and validate all // cells in this row, which we already did above. } I've read posts that said I could call the form's Validate() method, but that will cause RowValidating to fire, which is what I'm trying to avoid. Any idea how I can set DataGridView.IsCurrentRowDirty to true? Or maybe a way to prevent RowValidating from unnecessarily validating all the cells?

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  • ASP.Net FormsAuthentication Redirect Loses the cookie between Redirect and Application_AuthenticateR

    - by Joel Etherton
    I have a FormsAuthentication cookie that is persistent and works independently in a development, test, and production environment. I have a user that can authenticate, the user object is created, the authentication cookie is added to the response: 'Custom object to grab the TLD from the url authCookie.Domain = myTicketModule.GetTopLevelDomain(Request.ServerVariables("HTTP_HOST")) FormsAuthentication.SetAuthCookie(authTicket.Name, False) Response.SetCookie(authCookie) The user gets processed a little bit to check for a first time login, security questions, etc, and is then redirected with the following tidbit: Session.Add("ForceRedirect", "/FirstTimeLogin.aspx") Response.Redirect("~/FirstTimeLogin.aspx", True) With a debug break, I can verify that the cookie collection holds both a cookie not related to authentication that I set for a different purpose and the formsauthentication cookie. Then the next step in the process occurs at the ApplicationAuthenticateRequest in the global.asax: Sub Application_AuthenticateRequest(ByVal sender As Object, ByVal e As EventArgs) Dim formsCookieName As String = myConfigurationManager.AppSettings("FormsCookieName") Dim authCookie As HttpCookie = Request.Cookies(formsCookieName) At this point, for this ONE user authCookie is nothing. I have 15,000 other users who are not impacted in this manner. However, for one user the cookie just vanishes without a trace. I've seen this before with w3wp.exe exceptions, state server exceptions and other IIS process related exceptions, but I'm getting no exceptions in the event log. w3wp.exe is not crashing, the state server has some timeouts but they appear unrelated (as verified by timestamps) and it only happens to this one user on this one domain (this code is used across 2 different TLDs with approximately 10 other subdomains). One avenue I'm investigating is that the cookie might just be too large. I would think that there would be a check for the size of the cookie going into the response, and I wouldn't think it would impact it this way. Any ideas why the request might dumping the cookie? NOTE: The secondary cookie I mentioned that I set also gets dumped (and it's very tiny). EDIT-NOTE: The session token is NOT lost when this happens. However, since the authentication cookie is lost, it is ignored and replaced on a subsequent login.

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  • asp.net mvc2 - controller for master page?

    - by ile
    I've just finished my first ASP.NET MVC (2) CMS. Next step is to build website that will show data from CMS's database. This is website design: #1 (Red box) - displays article categories. ViewModel: public class CategoriesDisplay { public CategoriesDisplay() { } public int CategoryID { set; get; } public string CategoryTitle { set; get; } } #2 (Brown box) - displays last x articles; skips those from green box #3. Viewmodel: public class ArticleDisplay { public ArticleDisplay() { } public int CategoryID { set; get; } public string CategoryTitle { set; get; } public int ArticleID { set; get; } public string ArticleTitle { set; get; } public string URLArticleTitle { set; get; } public DateTime ArticleDate; public string ArticleContent { set; get; } } #3 (green box) - Displays last x articles. Uses the same ViewModel as brown box #2 #4 (blue box) - Displays list of upcoming events. Uses dataContext.Model.Event as ViewModel Boxes #1, #2 and #4 will repeat all over the site and they are part of Master Page. So, my question is: what is the best way to transfer this data from Model to Controller and finally to View pages? Should I make a controller for master page and ViewModel class that will wrap all this classes together OR Should I create partial Views for every of these boxes and make each of them inherit appropriate class (if it is even possible that it works this way?) OR Should I put this repeated code in all controllers and all additional data transfer via ViewData, which would be probably the worse way :) OR There is maybe a better and more simple way but I don't know/see it? Thanks in advance, Ile

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  • Is NUnit broken with Windows7 for C++/CLI?

    - by Andy Dent
    NUnit is failing in C++/CLI with a System.IO.FileNotFoundException. I have tried my own freshly-created project, the C++/CLI sample included with NUnit and the one from CodeProject How to use NUnit to test native C++ code using Visual Studio 2008sp1 with NUnit 2.5.5 as well as 2.4.8. I installed 2.4.8 just on C:\ in case there was something weird about paths with spaces such as Program Files (x86). I have no problems with a C# sample using NUnit. in NUnit GUI, all of these C++/CLI projects encounter the same problem, on attempting to open the projects. I'd really like to use NUnit but for now have had to go back to standard Microsoft tests System.IO.FileNotFoundException... Server stack trace: at System.Reflection.Assembly._nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, Assembly locationHint, StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean forIntrospection) at System.Reflection.Assembly.InternalLoad(AssemblyName assemblyRef, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection) at System.Reflection.Assembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection) at System.Reflection.Assembly.Load(String assemblyString) at NUnit.Core.Builders.TestAssemblyBuilder.Load(String path) at NUnit.Core.Builders.TestAssemblyBuilder.Build(String assemblyName, Boolean autoSuites) at NUnit.Core.Builders.TestAssemblyBuilder.Build(String assemblyName, String testName, Boolean autoSuites) at NUnit.Core.TestSuiteBuilder.BuildSingleAssembly(TestPackage package) at NUnit.Core.TestSuiteBuilder.Build(TestPackage package) at NUnit.Core.SimpleTestRunner.Load(TestPackage package) at NUnit.Core.ProxyTestRunner.Load(TestPackage package) at NUnit.Core.ProxyTestRunner.Load(TestPackage package) at NUnit.Core.RemoteTestRunner.Load(TestPackage package) at System.Runtime.Remoting.Messaging.StackBuilderSink._PrivateProcessMessage(IntPtr md, Object[] args, Object server, Int32 methodPtr, Boolean fExecuteInContext, Object[]& outArgs) at System.Runtime.Remoting.Messaging.StackBuilderSink.SyncProcessMessage(IMessage msg, Int32 methodPtr, Boolean fExecuteInContext) Exception rethrown at [0]: at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg) at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type) at NUnit.Core.TestRunner.Load(TestPackage package) at NUnit.Util.TestDomain.Load(TestPackage package) at NUnit.Util.TestLoader.LoadTest(String testName)

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  • Failed to set the initialPlaybackTime for a MPMoviePlayerController when recreating it in the second

    - by vicky
    Hi, everyone. It's really wired. When at the first time a MPMoviePlayerController (e.g., theMovie) is created, its initialPlaybackTime can be set successfully. But when theMoive is released and re-create a new MPMoviePlayerController, its intialPlaybackTime can not be set correctly, actually the movie always plays from the start. The code is as follows. -(void)initAndPlayMovie:(NSURL *)movieURL { MPMoviePlayerController *theMovie = [[MPMoviePlayerController alloc] initWithContentURL:movieURL]; // create a notification for moviePlaybackFinish [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(moviePlayBackDidFinish:) name:MPMoviePlayerPlaybackDidFinishNotification object:theMovie]; theMovie.initialPlaybackTime = 15; [theMovie setScalingMode:MPMovieScalingModeAspectFill]; [theMovie play];} -(void) moviePlayBackDidFinish:(NSNotification*)notification { MPMoviePlayerController * theMovie = [notification object]; [[NSNotificationCenter defaultCenter] removeObserver:self name:MPMoviePlayerPlaybackDidFinishNotification object:theMovie]; [theMovie release]; [self initAndPlayMovie:[self getMovieURL]]; } With the above code, when the viewcontroller did load and run initAndPlayMovie, the movie starts to play from 15 seconds, but when it plays finished or "Done" is pushed, a new theMovie is created and starts to play from 0 second. Does anybody know what happened with the initialPlaybackTime property of MPMoviePlayerController? And whenever you reload the viewController where the above code is (presentModalViewController from a parent viewcontroller), the movie can start from any playback time. I am really confused what's the difference of the MPMoviePlayerController registration methods between the viewcontroller load and the recreating it after release. Need your help! Thank you!

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  • Using pinvoke in c# to call sprintf and friends on 64-bit

    - by bde
    I am having an interesting problem with using pinvoke in C# to call _snwprintf. It works for integer types, but not for floating point numbers. This is on 64-bit Windows, it works fine on 32-bit. My code is below, please keep in mind that this is a contrived example to show the behavior I am seeing. class Program { [DllImport("msvcrt.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)] private static extern int _snwprintf([MarshalAs(UnmanagedType.LPWStr)] StringBuilder str, uint length, String format, int p); [DllImport("msvcrt.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)] private static extern int _snwprintf([MarshalAs(UnmanagedType.LPWStr)] StringBuilder str, uint length, String format, double p); static void Main(string[] args) { Double d = 1.0f; Int32 i = 1; Object o = (object)d; StringBuilder str = new StringBuilder(); _snwprintf(str, 32, "%10.1f", (Double)o); Console.WriteLine(str.ToString()); o = (object)i; _snwprintf(str, 32, "%10d", (Int32)o); Console.WriteLine(str.ToString()); Console.ReadKey(); } } The output of this program is 0.0 1 It should print 1.0 on the first line and not 0.0, and so far I am stumped.

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  • SSRS for Sharepoint, Images in a report from a Sharepoint List URL?

    - by James Polhemus
    Greetings Sabios, I have several reports I run successfully where the data comes from a Sharepoint list in the form of an XML dataset. I am however having trouble with one. I have a report that pulls an image file onto the main body of the report. This data too comes from a Sharepoint list in the form of an XML dataset which sends me the URL to the jpeg or bmp or gif... whatever the case may be. I can successfully pull this off in my own Visual Studio IDE. My Local Report Server will render it as well It won't run on my Sharepoint Report Server (My MOSS runs through https while my Shartpoint Report Server is http might this matter?) When I upload it to Sharepoint and run it through the Sharepoint Report Server, I get back EVERYTHING in the report Header and Footer (dataset text and embedded Images) but just a big RED X where the Main Image should be. I have done everything the boards say: A. I made sure the Unattended Execution Account is running on the Reports Server B. I have insured the URL comes back in clean format (else the images wouldn't render locally either and they do) The report logs throw this exception: e ERROR: Throwing Microsoft.ReportingServices.Diagnostics.Utilities.ContainerTypeNotSupportedException: The target location you specified is not supported by the report server. A report definition (.rdl), report model (.smdl), resource, or shared data source (.rsds) file must be located within a library or a folder within it., ; Info: Microsoft.ReportingServices.Diagnostics.Utilities.ContainerTypeNotSupportedException: The target location you specified is not supported by the report server. A report definition (.rdl), report model (.smdl), resource, or shared data source (.rsds) file must be located within a library or a folder within it. Any takers? Even my Sharepoint Administrator can't help me:) James

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  • Moving from ClearCase to Mercurial: your top tips?

    - by Robusto
    We will soon start replacing ClearCase with Mercurial. I hear this is a good thing. The change model vs. the version model. Wave of the future. I'm prepared to believe this. Still, it kind of frightens me. Hey, it took Joel Spolsky a while to grok the difference and how to get maximum advantage out of Mercurial, so I'm betting I will run into conceptual traps and pitfalls. Does anyone have any real-world "how to grok Mercurial" tips? Anything specific suggestions that will help me bridge the conceptual gap. Any warnings about things not to do? I'd appreciate hearing them. I've already read the closest questions on SO related to this topic, as well as the Mercurial tour and a number of other blogs. I'm mainly interested in any gotchas or uh-ohs I may encounter. Any wisdom you can impart will be appreciated.

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  • "Unable to associated Elastic IP with cluster" in Eclipse Plugin Tutorial

    - by Jeffrey Chee
    Hi all, I am currently trying to evaluate AWS for my company and was trying to follow the tutorials on the web. http://developer.amazonwebservices.com/connect/entry.jspa?externalID=2241 However I get the below error during startup of the server instance: Unable to associated Elastic IP with cluster: Unable to detect that the Elastic IP was orrectly associated. java.lang.Exception: Unable to detect that the Elastic IP was correctly associated at com.amazonaws.ec2.cluster.Cluster.associateElasticIp(Cluster.java:802) at com.amazonaws.ec2.cluster.Cluster.start(Cluster.java:311) at com.amazonaws.eclipse.wtp.ElasticClusterBehavior.launch(ElasticClusterBehavior.java:611) at com.amazonaws.eclipse.wtp.Ec2LaunchConfigurationDelegate.launch(Ec2LaunchConfigurationDelegate.java:47) at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:853) at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:703) at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:696) at org.eclipse.wst.server.core.internal.Server.startImpl2(Server.java:3051) at org.eclipse.wst.server.core.internal.Server.startImpl(Server.java:3001) at org.eclipse.wst.server.core.internal.Server$StartJob.run(Server.java:300) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Then after a while, another error occur: Unable to publish server configuration files: Unable to copy remote file after trying 4 timeslocal file: 'XXXXXXXX/XXX.zip' Results from first attempt: Unexpected exception: java.net.ConnectException: Connection timed out: connect root cause: java.net.ConnectException: Connection timed out: connect at com.amazonaws.eclipse.ec2.RemoteCommandUtils.copyRemoteFile(RemoteCommandUtils.java:128) at com.amazonaws.eclipse.wtp.tomcat.Ec2TomcatServer.publishServerConfiguration(Ec2TomcatServer.java:172) at com.amazonaws.ec2.cluster.Cluster.publishServerConfiguration(Cluster.java:369) at com.amazonaws.eclipse.wtp.ElasticClusterBehavior.publishServer(ElasticClusterBehavior.java:538) at org.eclipse.wst.server.core.model.ServerBehaviourDelegate.publish(ServerBehaviourDelegate.java:866) at org.eclipse.wst.server.core.model.ServerBehaviourDelegate.publish(ServerBehaviourDelegate.java:708) at org.eclipse.wst.server.core.internal.Server.publishImpl(Server.java:2731) at org.eclipse.wst.server.core.internal.Server$PublishJob.run(Server.java:278) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Can anyone point me to what I'm doing wrong? I followed the tutorials and the video tutorials on youtube exactly. Best Regards ~Jeffrey

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  • How to Unit Test HtmlHelper similar to using(Html.BeginForm()){ }

    - by DaveDev
    Can somebody please suggest how I could write a Unit Test with Moq for following HtmlHelper method? public static HtmlTagBase GenerateTag<T>(this HtmlHelper htmlHelper , object elementData , object attributes) where T : HtmlTagBase { return (T)Activator.CreateInstance(typeof(T) , htmlHelper.ViewContext , elementData , attributes); } which you would use as follows (please note the using statement - this is causing me confusion): <%--Model is a type of ShareClass--%> <% using (Html.GenerateTag<DivTag>(Model)) { %> My Div <% } %> using this method, if you specify T as type DivTag, where ShareClass is defined as public class ShareClass { public string Name { get; set; } public string Type { get; set; } public IEnumerable<Fund> Funds { get; set; } public ShareClass(string name, string shareClassType) { this.Name = name; this.Type = shareClassType; } } the following html will be rendered: <div class="ShareClass" shareclass-type="ShareClass_A" shareclass-name="MyShareClass">My Div</div>

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  • Is HttpContextWrapper all that....useful?

    - by bakasan
    I've been going through the process of cleaning up our controller code to make each action as testable. Generally speaking, this hasn't been too difficult--where we have opportunity to use a fixed object, like say FormsAuthentication, we generally introduce some form of wrapper as appropriate and be on our merry way. For reasons not particularly germaine to this conversation, when it came to dealing with usage of HttpContext, we decided to use the newly created HttpContextWrapper class rather than inventing something homegrown. One thing we did introduce was the ability to swap in a HttpContextWrapper (like say, for unit testing). This was wholly inspired by the way Oren Eini handles unit testing with DateTimes (see article, a pattern we also use) public static class FooHttpContext { public static Func<HttpContextWrapper> Current = () => new HttpContextWrapper(HttpContext.Current); public static void Reset() { Current = () => new HttpContextWrapper(HttpContext.Current); } } Nothing particularly fancy. And it works just fine in our controller code. The kicker came when we go to write unit tests. We're using Moq as our mocking framework, but alas var context = new Mock<HttpContextWrapper>() breaks since HttpContextWrapper doesn't have a parameterless ctor. And what does it take as a ctor parameter? A HttpContext object. So I find myself in a catch 22. I'm using the prescribed way to decouple HttpContext--but I can't mock a value in because the original HttpContext object was sealed and therefore difficult to test. I can map HttpContextBase, which both derive from--but that doesn't really get me what I'm after. Am I just missing the point somewhere with regard to HttpContextWrapper? I can find ways to work around the issue, but we are kind of fond of remaining consistent in decoupling using the Function delegate pattern--but it seems like we're not fully grokking intent of the wrapper.

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  • How do I MVVM-ize this MouseDown code in my WPF 3D app?

    - by DanM
    In my view, I have: <UserControl x:Class ... MouseDown="UserControl_MouseDown"> <Viewport3D Name="Viewport" Grid.Column="0"> ... </Viewport3D > </UserControl> In my code-behind, I have: private void UserControl_MouseDown(object sender, MouseButtonEventArgs e) { ((MapPanelViewModel)DataContext).OnMouseDown(e, Viewport); } And in my view-model, I have: public void OnMouseDown(MouseEventArgs e, Viewport3D viewport) { var range = new LineRange(); var isValid = ViewportInfo.Point2DtoPoint3D(viewport, e.GetPosition(viewport), out range); if (!isValid) MouseCoordinates = "(no data)"; else { var point3D = range.PointFromZ(0); var point = ViewportInfo.Point3DtoPoint2D(viewport, point3D); MouseCoordinates = e.GetPosition(viewport).ToString() + "\n" + point3D + "\n" + point; } } I really don't have a good sense of how to handle mouse events with MVVM. I always just end up putting them in the code-behind and casting the DataContext as SomeViewModel, then passing the MouseEventArgs on to a handler in my view-model. That's bad enough already, but in this case, I'm actually passing in a control (a Viewport3D), which is necessary for translating coordinates between 2D and 3D. Any suggestions on how to make this more in tune with MVVM?

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  • Help with entity frame work error. Error 0194: All artifacts loaded....

    - by Steve
    This is a c#/asp.net project. The full error message I get is:Error 0194: All artifacts loaded into the item collection must have the same version. Multiple versions were encountered. This project was started as a 3.5 and upgraded to 4.0. When I try to test any of the methods I get the error that I posted in the subject line. I am going to include the actual lines that it throws the exception on. If there is anything in people need to see to try to help let me know and I post it as well. Any help will be appreciated, I am having no luck with this. /// /// Initializes a new SFBExternalPaymentsEntities object using the connection string found in the 'SFBExternalPaymentsEntities' section of the application configuration file. /// public SFBExternalPaymentsEntities() : base("name=SFBExternalPaymentsEntities", "SFBExternalPaymentsEntities") { this.ContextOptions.LazyLoadingEnabled = false; OnContextCreated(); } /// /// Initialize a new SFBExternalPaymentsEntities object. /// public SFBExternalPaymentsEntities(string connectionString) : base(connectionString, "SFBExternalPaymentsEntities") { this.ContextOptions.LazyLoadingEnabled = false; OnContextCreated(); } /// /// Initialize a new SFBExternalPaymentsEntities object. /// public SFBExternalPaymentsEntities(EntityConnection connection) : base(connection, "SFBExternalPaymentsEntities") { this.ContextOptions.LazyLoadingEnabled = false; OnContextCreated(); } endregion

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  • VS2010 Text Editor: How do I set the default formatting style for inline code blocks?

    - by nukefusion
    I've got a problem with the formatting of inline code blocks within the VS2010 text editor and wonder if anyone else has had similar problems and found the 'magic' setting I'm looking for. I'm working my way through tutorials in an MVC book. Whenever I add some inline code blocks to a view I want them formatted like so: <% foreach (var link in Model) { %> <a href="<%=Url.RouteUrl(link.RouteValues)%>"> <%=link.Text%> </a> <% } %> What I'm actually getting is this (auto-formatted by the IDE when I finish writing the code): <% foreach (var link in Model) { %> <a href="<%=Url.RouteUrl(link.RouteValues)%>"> <%=link.Text%> </a> <% } %> It's pretty irritating. Any ideas on how I can instruct the IDE to leave my <% % tags alone? I've been fiddling with options under "Tools - Options - Text Editor" for ages but alas am getting nowhere...

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  • WPF AutoCompleteBox with ability to add new values to list.

    - by WillH
    Hi, I would like to use autocompletebox with a list of values, but also add new values to the list if a user enters one that isn't present. I currently have a string property in my view model called 'Comment'. Currently this is bound to a textbox in the view - user types a comment and the view model is updated. Simple. To save time, my customer would like it to autocomplete from previous values, so the way I thought to do this is something like: ViewModel public string Comment; public ObservableCollection<string> CommentsList { ... } (populate the CommentsList when the viewmodel is created) View <AutoCompleteComboBox ItemsSource="{Binding CommentsList}" SelectedItem="{Binding Comment, Mode=TwoWay/> So when the user selects a value, it saves the value in the Comment property. This works fine if the user selects an item in the list, but if the user types in a new value, the comment property is not updated (it is null because the selected item was not in the list). Is this possible with autocompletebox? Thanks in advance, Will

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  • Invoking WCF functions using Reflection

    - by Jankhana
    I am pretty new to WCF applications. I have a WCF application that is using NetTcpBinding. I wanted to invoke the functions in WCF service using the System.Reflection's Methodbase Invoke method. I mean I wanted to Dynamically call the Function by passing the String as the Function name. Reflection works great for Web Service or a Windows application or any dll or class. So their is certain way to do this for WCF also but I am not able to find that. I am getting the Assembly Name than it's type everything fine but as we cannot create an instance of the Interface class I tried to open the WCF connection using the binding and tried to pass that object but it's throwing the exception as : "Object does not match target type." I have opened the connection and passed the object and type is of interface only. I don't know whether I'm trying wrong thing or in wrong way. Any idea how shall I accomplish this??? The NetTCPBinding all are properly given while opening the connection. And one more thing I am using WCF as a Windows Service using NETTCPBinding.

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  • Question on Scala Closure (From "Programming in Scala")

    - by Ekkmanz
    I don't understand why authors said that Code Listing 9.1 from "Programming in Scala" use closure. In chapter 9, they show how to refactor code into more less duplicated form, from this original code: object FileMatcher { private def filesHere = (new java.io.File(".")).listFiles def filesEnding(query: String) = for (file <- filesHere; if file.getName.endsWith(query)) yield file def filesContaining(query: String) = for (file <- filesHere; if file.getName.contains(query)) yield file def filesRegex(query: String) = for (file <- filesHere; if file.getName.matches(query)) yield file } To the second version: object FileMatcher { private def filesHere = (new java.io.File(".")).listFiles def filesMatching(query: String, matcher: (String, String) => Boolean) = { for (file <- filesHere; if matcher(file.getName, query)) yield file } def filesEnding(query: String) = filesMatching(query, _.endsWith(_)) def filesContaining(query: String) = filesMatching(query, _.contains(_)) def filesRegex(query: String) = filesMatching(query, _.matches(_)) } Which they said that there is no use of closure here. Now I understand until this point. However they introduced the use of closure to refactor even some more, shown in Listing 9.1: object FileMatcher { private def filesHere = (new java.io.File(".")).listFiles private def filesMatching(matcher: String => Boolean) = for (file <- filesHere; if matcher(file.getName)) yield file def filesEnding(query: String) = filesMatching(_.endsWith(query)) def filesContaining(query: String) = filesMatching(_.contains(query)) def filesRegex(query: String) = filesMatching(_.matches(query)) } Now they said that query is a free variable but I don't really understand why they said so? Since ""query"" seems to be passed from top method down to string matching function explicitly.

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  • StackOverflow in VB.NET SQLite query

    - by Majgel
    I have an StackOverflowException in one of my DB functions that I don't know how to deal with. I have a SQLite database with one table "tblEmployees" that holds records for each employees (several thousand posts) and usually this function runs without any problem. But sometimes after the the function is called a thousand times it breaks with an StackOverflowException at the line "ReturnTable.Load(reader)" with the message: An unhandled exception of type 'System.StackOverflowException' occurred in System.Data.SQLite.dll If I restart the application it has no problem to continue with the exact same post it last crashed on. I can also make the exactly same DB-call from SQLite Admin at the crash time without no problems. Here is the code: Public Function GetNextEmployeeInQueue() As String Dim NextEmployeeInQueue As String = Nothing Dim query As [String] = "SELECT FirstName FROM tblEmployees WHERE Checked=0 LIMIT 1;" Try Dim ReturnTable As New DataTable() Dim mycommand As New SQLiteCommand(cnn) mycommand.CommandText = query Dim reader As SQLiteDataReader = mycommand.ExecuteReader() ReturnTable.Load(reader) reader.Close() If ReturnTable.Rows.Count > 0 Then NextEmployeeInQueue = ReturnTable.Rows(0)("FirstName").ToString() Else MsgBox("No more employees found in queue") End If Catch fail As Exception MessageBox.Show("Error: " & fail.Message.ToString()) End Try If NextEmployeeInQueue IsNot Nothing Then Return NextEmployeeInQueue Else Return "No more records in queue" End If End Function When crashes, the reader has "Property evaluation failed." in all values. I assume there is some problem with allocated memory that isn't released correctly, but can't figure out what object it's all about. The DB-connection opens when the DB-class object is created and closes on main form Dispose. Should I maybe dispose the mycommand object every time in a finally block? But wouldn't that result in a closed DB-connection?

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  • C#: How to resolve this circular dependency?

    - by Rosarch
    I have a circular dependency in my code, and I'm not sure how to resolve it. I am developing a game. A NPC has three components, responsible for thinking, sensing, and acting. These components need access to the NPC controller to get access to its model, but the controller needs these components to do anything. Thus, both take each other as arguments in their constructors. ISenseNPC sense = new DefaultSenseNPC(controller, worldQueryEngine); IThinkNPC think = new DefaultThinkNPC(sense); IActNPC act = new DefaultActNPC(combatEngine, sense, controller); controller = new ControllerNPC(act, think); (The above example has the parameter simplified a bit.) Without act and think, controller can't do anything, so I don't want to allow it to be initialized without them. The reverse is basically true as well. What should I do? ControllerNPC using think and act to update its state in the world: public class ControllerNPC { // ... public override void Update(long tick) { // ... act.UpdateFromBehavior(CurrentBehavior, tick); CurrentBehavior = think.TransitionState(CurrentBehavior, tick); } // ... } DefaultSenseNPC using controller to determine if it's colliding with anything: public class DefaultSenseNPC { // ... public bool IsCollidingWithTarget() { return worldQuery.IsColliding(controller, model.Target); } // ... }

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  • configuring local W3C validator on xampp - windows xp sp3

    - by Gabriel
    Hi I have no experience on perl. I am trying to configure the W3C validator on my localhost (win32). I have already followed all the instructions given by W3C @http://validator.w3.org/docs/install_win.html, but I am getting the following error: Can't locate loadable object for module Encode::HanExtra in @INC (@INC contains: C:/xampp/perl/lib C:/xampp/perl/site/lib .) at C:/xampp/validator-0.8.6/httpd/cgi-bin/check line 49 Compilation failed in require at C:/xampp/validator-0.8.6/httpd/cgi-bin/check line 49. BEGIN failed--compilation aborted at C:/xampp/validator-0.8.6/httpd/cgi-bin/check line 49. I'm running perl 5.10.1 on xampp and the following HandExtra Module http://cpansearch.perl.org/src/AUDREYT/Encode-HanExtra-0.23/lib/Encode/HanExtra.pm This is C:/xampp/validator-0.8.6/httpd/cgi-bin/check line 49 : use Encode::HanExtra qw(); # for some chinese character encodings if I document that line using # I get a similar message related to other object: Can't locate loadable object for module Sub::Name in @INC (@INC contains: C:/xampp/perl/lib C:/xampp/perl/site/lib .) at C:/xampp/perl/site/lib/Moose.pm line 12 This is Line 12 at Moose.pm : use Sub::Name 'subname'; I don't know how to proceed. I will appreciate any advise. Thanks

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