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  • How to use "SelectMany" with DataServiceQuery<>

    - by sako73
    I have the following DataServiceQuery running agaist an ADO Data Service (with the update installed to make it run like .net 4): DataServiceQuery<Account> q = (_gsc.Users .Where(c => c.UserId == myId) .SelectMany(c => c.ConsumerXref) .Select(x => x.Account) .Where(a => a.AccountName == "My Account" && a.IsActive) .Select(a => a)) as DataServiceQuery<Account>; When I run it, I get an exception: Cannot specify query options (orderby, where, take, skip) on single resource As far as I can tell, I need to use a version of "SelectMany" that includes an additonal lambda expression (http://msdn.microsoft.com/en-us/library/bb549040.aspx), but I am not able to get this to work correctly. Could someone show me how to properly structure the "SelectMany" call? Thank you for any help.

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  • Prevent Python from caching the imported modules

    - by Olivier
    While developing a largeish project (split in several files and folders) in Python with IPython, I run into the trouble of cached imported modules. The problem is that instructions import module only reads the module once, even if that module has changed! So each time I change something in my package, I have to quit and restart IPython. Painful. Is there any way to properly force reloading some modules? Or, better, to somehow prevent Python from caching them? I tried several approaches, but none works. In particular I run into really, really weird bugs, like some modules or variables mysteriously becoming equal to None... The only sensible resource I found is Reloading Python modules, from pyunit, but I have not checked it. I would like something like that. A good alternative would be for IPython to restart, or restart the Python interpreter somehow. So, if you develop in Python, what solution have you found to this problem?

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  • Problems with calendar application on Android 2.1

    - by Rick
    Hi, I have compiled the android 2.1 source code and I can start the emulator. But I can't launch calendar application. Every time I tried to lauch the calendar application, it crashed. The log is as following: // CRASH: com.android.calendar (pid 272) // Short Msg: java.lang.NullPointerException // Long Msg: java.lang.NullPointerException // Build Label: android:generic/generic/generic/:2.1-update1/ERE27/eng.root.20100317.113135:eng/test-keys // Build Changelist: -1 // Build Time: 1268798948 // ID: // Tag: AndroidRuntime // java.lang.NullPointerException: // at com.android.providers.calendar.CalendarSyncAdapter.onAccountsChanged(CalendarSyncAdapter.java:1400) // at android.content.AbstractSyncableContentProvider$1.onAccountsUpdated(AbstractSyncableContentProvider.java:189) // at android.accounts.AccountManager$10.run(AccountManager.java:826) // at android.os.Handler.handleCallback(Handler.java:587) // at android.os.Handler.dispatchMessage(Handler.java:92) // at android.os.Looper.loop(Looper.java:123) // at android.app.ActivityThread.main(ActivityThread.java:4363) // at java.lang.reflect.Method.invokeNative(Method.java:-2) // at java.lang.reflect.Method.invoke(Method.java:521) // at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860) // at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) // at dalvik.system.NativeStart.main(NativeStart.java:-2) has anyone met this problem, or any suggestions on how to fix it? Thanks very much!! Rick

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  • Unable to resolve class in build.gradle using Android Studio 0.60/Gradle 0.11

    - by saywhatnow
    Established app working fine using Android Studio 0.5.9/ Gradle 0.9 but upgrading to Android Studio 0.6.0/ Gradle 0.11 causes the error below. Somehow Studio seems to have lost the ability to resolve the android tools import at the top of the build.gradle file. Anyone got any ideas on how to solve this? build file 'Users/[me]/Repositories/[project]/[module]/build.gradle': 1: unable to resolve class com.android.builder.DefaultManifestParser @ line 1, column 1. import com.android.builder.DefaultManifestParser 1 error at org.codehaus.groovy.control.ErrorCollector.failIfErrors(ErrorCollector.java:302) at org.codehaus.groovy.control.CompilationUnit.applyToSourceUnits(CompilationUnit.java:858) at org.codehaus.groovy.control.CompilationUnit.doPhaseOperation(CompilationUnit.java:548) at org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:497) at groovy.lang.GroovyClassLoader.doParseClass(GroovyClassLoader.java:306) at groovy.lang.GroovyClassLoader.parseClass(GroovyClassLoader.java:287) at org.gradle.groovy.scripts.internal.DefaultScriptCompilationHandler.compileScript(DefaultScriptCompilationHandler.java:115) ... 77 more 2014-06-09 10:15:28,537 [ 92905] INFO - .BaseProjectImportErrorHandler - Failed to import Gradle project at '/Users/[me]/Repositories/[project]' org.gradle.tooling.BuildException: Could not run build action using Gradle distribution 'http://services.gradle.org/distributions/gradle-1.12-all.zip'. at org.gradle.tooling.internal.consumer.ResultHandlerAdapter.onFailure(ResultHandlerAdapter.java:53) at org.gradle.tooling.internal.consumer.async.DefaultAsyncConsumerActionExecutor$1$1.run(DefaultAsyncConsumerActionExecutor.java:57) at org.gradle.internal.concurrent.DefaultExecutorFactory$StoppableExecutorImpl$1.run(DefaultExecutorFactory.java:64) [project]/[module]/build.gradle import com.android.builder.DefaultManifestParser apply plugin: 'android-sdk-manager' apply plugin: 'android' android { sourceSets { main { manifest.srcFile 'src/main/AndroidManifest.xml' res.srcDirs = ['src/main/res'] } debug { res.srcDirs = ['src/debug/res'] } release { res.srcDirs = ['src/release/res'] } } compileSdkVersion 19 buildToolsVersion '19.0.0' defaultConfig { minSdkVersion 14 targetSdkVersion 19 } signingConfigs { release } buildTypes { release { runProguard false proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt' signingConfig signingConfigs.release applicationVariants.all { variant -> def file = variant.outputFile def manifestParser = new DefaultManifestParser() def wmgVersionCode = manifestParser.getVersionCode(android.sourceSets.main.manifest.srcFile) println wmgVersionCode variant.outputFile = new File(file.parent, file.name.replace("-release.apk", "_" + wmgVersionCode + ".apk")) } } } packagingOptions { exclude 'META-INF/LICENSE.txt' exclude 'META-INF/NOTICE.txt' } } def Properties props = new Properties() def propFile = file('signing.properties') if (propFile.canRead()){ props.load(new FileInputStream(propFile)) if (props!=null && props.containsKey('STORE_FILE') && props.containsKey('STORE_PASSWORD') && props.containsKey('KEY_ALIAS') && props.containsKey('KEY_PASSWORD')) { println 'RELEASE BUILD SIGNING' android.signingConfigs.release.storeFile = file(props['STORE_FILE']) android.signingConfigs.release.storePassword = props['STORE_PASSWORD'] android.signingConfigs.release.keyAlias = props['KEY_ALIAS'] android.signingConfigs.release.keyPassword = props['KEY_PASSWORD'] } else { println 'RELEASE BUILD NOT FOUND SIGNING PROPERTIES' android.buildTypes.release.signingConfig = null } }else { println 'RELEASE BUILD NOT FOUND SIGNING FILE' android.buildTypes.release.signingConfig = null } repositories { maven { url 'https://repo.commonsware.com.s3.amazonaws.com' } maven { url 'https://oss.sonatype.org/content/repositories/snapshots/' } } dependencies { compile 'com.github.gabrielemariotti.changeloglib:library:1.4.+' compile 'com.google.code.gson:gson:2.2.4' compile 'com.google.android.gms:play-services:+' compile 'com.android.support:appcompat-v7:+' compile 'com.squareup.okhttp:okhttp:1.5.+' compile 'com.octo.android.robospice:robospice:1.4.11' compile 'com.octo.android.robospice:robospice-cache:1.4.11' compile 'com.octo.android.robospice:robospice-retrofit:1.4.11' compile 'com.commonsware.cwac:security:0.1.+' compile 'com.readystatesoftware.sqliteasset:sqliteassethelper:+' compile 'com.android.support:support-v4:19.+' compile 'uk.co.androidalliance:edgeeffectoverride:1.0.1+' compile 'de.greenrobot:eventbus:2.2.1+' compile project(':captureActivity') compile ('de.keyboardsurfer.android.widget:crouton:1.8.+') { exclude group: 'com.google.android', module: 'support-v4' } compile files('libs/CWAC-LoaderEx.jar') }

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  • ServiceLocator not initialized in Tests project

    - by Carl Bussema
    When attempting to write a test related to my new Tasks (MVC3, S#arp 2.0), I get this error when I try to run the test: MyProject.Tests.MyProject.Tasks.CategoryTasksTests.CanConfirmDeleteReadiness: SetUp : System.NullReferenceException : ServiceLocator has not been initialized; I was trying to retrieve SharpArch.NHibernate.ISessionFactoryKeyProvider ---- System.NullReferenceException : Object reference not set to an instance of an object. at SharpArch.Domain.SafeServiceLocator1.GetService() at SharpArch.NHibernate.SessionFactoryKeyHelper.GetKeyFrom(Object anObject) at SharpArch.NHibernate.NHibernateRepositoryWithTypedId2.get_Session() at SharpArch.NHibernate.NHibernateRepositoryWithTypedId2.Save(T entity) at MyProject.Tests.MyProject.Tasks.CategoryTasksTests.Setup() in C:\code\MyProject\Solutions\MyProject.Tests\MyProject.Tasks\CategoryTasksTests.cs:line 36 --NullReferenceException at Microsoft.Practices.ServiceLocation.ServiceLocator.get_Current() at SharpArch.Domain.SafeServiceLocator1.GetService() Other tests which do not involve the new class (e.g., generate/confirm database mappings) run correctly. My ServiceLocatorInitializer is as follows public class ServiceLocatorInitializer { public static void Init() { IWindsorContainer container = new WindsorContainer(); container.Register( Component .For(typeof(DefaultSessionFactoryKeyProvider)) .ImplementedBy(typeof(DefaultSessionFactoryKeyProvider)) .Named("sessionFactoryKeyProvider")); container.Register( Component .For(typeof(IEntityDuplicateChecker)) .ImplementedBy(typeof(EntityDuplicateChecker)) .Named("entityDuplicateChecker")); ServiceLocator.SetLocatorProvider(() => new WindsorServiceLocator(container)); } }

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  • Android Handler postDelayed executes twice

    - by Ömer Baykal
    When I use Handler and its postDelayed method, the run() method executes twice. Below is part of my code. Handler deneme = new Handler(); deneme.postDelayed(new Runnable() { @Override public void run() { randomOyna(); } }, 1000); where randomOyna is the method public void randomOyna() { Log.v("sonOlarak", "çalisti"); } I monitor the LogCat and see that "çalisti" entry is written twice, so that randomOyna is called twice. The task is scheduled truely, but executes both after 1 sec and 2 secs. Can you help me???

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  • Best way to integrate StyleCop with TFS CI

    - by Slavo
    I've been doing research on how to enable source analysis for the project I'm working on and plan to use StyleCop. The setup I have is a TFS Server for source control, using TFS Continuous Integration. I want to enable source analysis for CI builds and daily builds run on the build machine, and not only for those run on developers' machines. Here's an article from the documentation of StyleCop that I read on the subject: http://blog.newagesolution.net/2008/07/how-to-use-stylecop-and-msbuild-and.html. It basically modifies the csproj file for the purpose. I've also read other opinions about how StyleCop should be integrated with build automation, which advise doing the same thing using build tasks: http://blog.newagesolution.net/2008/07/how-to-use-stylecop-and-msbuild-and.html http://freetodev.spaces.live.com/blog/cns!EC3C8F2028D842D5!400.entry. What are you opinions? Have you had similar projects and done something like this?

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  • Winforms TabControl causing spurious Paint events for UserControl

    - by Tom Bushell
    For our project, we've written a WinForms UserControl for graphing. We're seeing some strange behavior when our control is sited in a TabControl - our control continuously fires Paint events, even when there is absolutely no activity by the user. We only see this in the TabControl. When we site our control in other containers such as Forms or Splitters, Paint is only fired when you'd expect e.g. when the control is first displayed, etc. Can anyone suggest why this might be happening? Here's a stack trace from a breakpoint in our control's Paint handler, if that's any help. OverlordFrontEnd.exe!OverlordFrontEnd.MainForm.graphControl_Paint(object sender = BI_BaseGraphXY.BaseGraphXY}, System.Windows.Forms.PaintEventArgs e = {ClipRectangle = {X=0,Y=0,Width=1031,Height=408}}) Line 422 C# System.Windows.Forms.dll!System.Windows.Forms.Control.OnPaint(System.Windows.Forms.PaintEventArgs e) + 0x73 bytes BI_AppCore.dll!BI_BaseGraphXY.BaseGraphXY.OnPaint(System.Windows.Forms.PaintEventArgs e = {ClipRectangle = {X=0,Y=0,Width=1031,Height=408}}) Line 377 + 0xb bytes C# System.Windows.Forms.dll!System.Windows.Forms.Control.PaintTransparentBackground(System.Windows.Forms.PaintEventArgs e, System.Drawing.Rectangle rectangle, System.Drawing.Region transparentRegion = null) + 0x16c bytes System.Windows.Forms.dll!System.Windows.Forms.Control.PaintBackground(System.Windows.Forms.PaintEventArgs e = {ClipRectangle = {X=0,Y=0,Width=1029,Height=406}}, System.Drawing.Rectangle rectangle, System.Drawing.Color backColor, System.Drawing.Point scrollOffset) + 0xbc bytes System.Windows.Forms.dll!System.Windows.Forms.Control.PaintBackground(System.Windows.Forms.PaintEventArgs e, System.Drawing.Rectangle rectangle) + 0x63 bytes System.Windows.Forms.dll!System.Windows.Forms.Control.OnPaintBackground(System.Windows.Forms.PaintEventArgs pevent) + 0x59 bytes System.Windows.Forms.dll!System.Windows.Forms.Control.PaintWithErrorHandling(System.Windows.Forms.PaintEventArgs e = {ClipRectangle = {X=0,Y=0,Width=1029,Height=406}}, short layer, bool disposeEventArgs = false) + 0x74 bytes System.Windows.Forms.dll!System.Windows.Forms.Control.WmPaint(ref System.Windows.Forms.Message m) + 0x1ba bytes System.Windows.Forms.dll!System.Windows.Forms.Control.WndProc(ref System.Windows.Forms.Message m) + 0x33e bytes System.Windows.Forms.dll!System.Windows.Forms.Control.ControlNativeWindow.OnMessage(ref System.Windows.Forms.Message m) + 0x10 bytes System.Windows.Forms.dll!System.Windows.Forms.Control.ControlNativeWindow.WndProc(ref System.Windows.Forms.Message m) + 0x31 bytes System.Windows.Forms.dll!System.Windows.Forms.NativeWindow.Callback(System.IntPtr hWnd, int msg = 15, System.IntPtr wparam, System.IntPtr lparam) + 0x5a bytes [Native to Managed Transition] [Managed to Native Transition] System.Windows.Forms.dll!System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(int dwComponentID, int reason = -1, int pvLoopData = 0) + 0x24e bytes System.Windows.Forms.dll!System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(int reason = -1, System.Windows.Forms.ApplicationContext context = {Microsoft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase.WinFormsAppContext}) + 0x177 bytes System.Windows.Forms.dll!System.Windows.Forms.Application.ThreadContext.RunMessageLoop(int reason, System.Windows.Forms.ApplicationContext context) + 0x61 bytes System.Windows.Forms.dll!System.Windows.Forms.Application.Run(System.Windows.Forms.ApplicationContext context) + 0x18 bytes Microsoft.VisualBasic.dll!Microsoft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase.OnRun() + 0x81 bytes Microsoft.VisualBasic.dll!Microsoft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase.DoApplicationModel() + 0xef bytes Microsoft.VisualBasic.dll!Microsoft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase.Run(string[] commandLine) + 0x2c0 bytes OverlordFrontEnd.exe!OverlordFrontEnd.Program.Main() Line 36 + 0x10 bytes C# [Native to Managed Transition] [Managed to Native Transition] mscorlib.dll!System.AppDomain.ExecuteAssembly(string assemblyFile, System.Security.Policy.Evidence assemblySecurity, string[] args) + 0x3a bytes Microsoft.VisualStudio.HostingProcess.Utilities.dll!Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly() + 0x2b bytes mscorlib.dll!System.Threading.ThreadHelper.ThreadStart_Context(object state) + 0x66 bytes mscorlib.dll!System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext executionContext, System.Threading.ContextCallback callback, object state) + 0x6f bytes mscorlib.dll!System.Threading.ThreadHelper.ThreadStart() + 0x44 bytes

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  • UiSplitViewController doesn't autorotate.

    - by Michael
    Hello, I have recently run into a problem. My iPad app is somehow preventing the iPad from auto-rotating. My app loads a UISplitView with both of the view controllers returning YES for shouldAutorotateToInterfaceOrientation:. I have set up my info.plist to include the "Supported interface orientations" key with all four orientations. When I run the app, however, rotating the device does not rotate the splitView (even though I am receiving UIDeviceOrientationDidChangeNotification). In addition, when I exit my app in a different orientation that it started in the iPad home screen doesn't autorotate to the correct view until I rotate it again without my app running.... Any Ideas would be much appreciated....

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  • Unit testing methods decorated with custom attributes

    - by Joel Cunningham
    I am trying to retrofit unit tests on to some existing code base. Both the class and method I want to unit test is decorated with custom attributes. These attributes are fairly sophisticated and I dont want them to run as part of the unit test. The only solution I have come up with is to compile the attribute out when I want to unit test. I dont really like this solution and would prefer to either replace it with a mocked attribute at runtime or prevent the attribute from running in a more elegant way. How do you unit test code that has class and method attributes that you dont want to run as part of a unit test? Thanks in advance.

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  • Having the output of a Console App in Visual Studio instead of the Console

    - by devoured elysium
    When doing "Console" apps in Java with Eclipse, I see the output being put in a text box on the IDE itself, instead of having a Console popping up like in Visual Studio. This comes in handy, as even after the program has exited, I can still make good use of the text that was written in it, as it doesn't get erased until I run it again. Is it possible to achieve anything like that with Visual Studio? I know that instead of doing System.Console.WriteLine(str); I can do System.Diagnostics.Debug.WriteLine(str); but it is not quite the same thing, as you get a lot of "junk" in the Output window, as all the loaded symbols and such. Even better, is it possible to have everything done in the IDE itself, when you run your app, instead of having the Console running? Thanks

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  • How to debug a Flex 4 HTTPService request that works on my computer, but not on another?

    - by ben
    I'm building a Ruby on Rails backed Flex 4 app, using Heroku to host the Ruby on Rails part during development. It all works fine when I run the release build on my computer, but when I run the release build on a friends computer, the data from the database doesn't get loaded. Problem is, I can't work out how to debug this because it's the release build, and I've only got Flash Builder 4 on my computer, where it all works fine. How can I go about trying to solve this problem? Thanks for reading.

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  • OBJC_CLASS_$_MTSCRA", referenced from

    - by user1078841
    I was trying to make a sample code run download by the link http://www.magtek.com/support/software/downloads/sw/99510108.zip This is a card reader api ,here is a sample code.When I run this code I got the error: ld: warning: ignoring file /Users/gaurav.garg/Downloads/99510108/SampleCode/Lib/libMTSCRA.a, missing required architecture i386 in file Undefined symbols for architecture i386: "_OBJC_CLASS_$_MTSCRA", referenced from: objc-class-ref in MagTekDemoAppDelegate.o ld: symbol(s) not found for architecture i386 clang: error: linker command failed with exit code 1 (use -v to see invocation) The class MTSCRA is only a header file,And the solution that I have cheked That we have to add the .m file in compiled source path of build build phase of target...but unfortunately I don't have the MTSCRA.m file.MTscra.h have the AudioToolBox and externalAccesory framework.

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  • Zend Framework - Zend Tool - Module error: I have error after I create module with Zend Tool

    - by Yosef
    Hi, I new in zend framework. I create zend project with zend tool and its works , but i create module and when i try access him with browser I get Error. I write my steps, please help me. Thanks, Yosef My steps: $ sudo zf create project mystore put Zend library inside library test: http://localhost/mystore/public/ (working) Add module store (not working) $ sudo zf create module store add to application.ini path to modules resources.frontController.moduleDirectory = APPLICATION_PATH "/modules" resources.modules = "" test1: http://localhost/mystore/public/store/ test2: http://localhost/mystore/public/store/public/ test3: http://localhost/mystore/public/modules/store/public/ test1+2+3 result: An error occurred Page not found Exception information: Message: Invalid controller specified (index.php) Stack trace: #0 /var/www/mystore/library/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http)) #1 /var/www/mystore/library/Zend/Application/Bootstrap/Bootstrap.php(97): Zend_Controller_Front->dispatch() #2 /var/www/mystore/library/Zend/Application.php(366): Zend_Application_Bootstrap_Bootstrap->run() #3 /var/www/mystore/public/index.php(25): Zend_Application->run() #4 {main} Request Parameters: array ( 'module' => 'store', 'controller' => 'index.php', 'action' => 'index', )

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  • String length difference between ruby 1.8 and 1.9

    - by Raghu
    I have a website thats running on ruby 1.8.7 . I have a validation on an incoming post that checks to make sure that we allow upto max of 12000 characters. The spaces are counted as characters and tab and carriage returns are stripped off before the post is subjected to the validation. Here is the post that is subjected to validation http://pastie.org/5047582 In ruby 1.9 the string length shows up as 11909 which is correct. But when I check the length on ruby 1.8.7 is turns out to be 12044. I used codepad.org to run this ruby code which gives me http://codepad.org/OxgSuKGZ ( which outputs the length as 12044 which is wrong) but when i run this same code in the console at codeacademy.org the string length is 11909. Can anybody explain me why this is happening ??? Thanks

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  • Silverlight 4 application failing to build in Blend 4 Beta..

    - by loyalpenguin
    Hi, I'm creating a simple silverlight application using Silverlight 4 and Expression Blend 4 Beta, but when I run the Application I get the following Error: C:\Users\WebDevelop1\Documents\Expression\Blend 4 Beta\Projects\SilverlightApplication1\SilverlightApplication1.sln.metaproj : error MSB4126: The specified solution configuration "Debug|HPD" is invalid. Please specify a valid solution configuration using the Configuration and Platform properties (e.g. MSBuild.exe Solution.sln /p:Configuration=Debug /p:Platform="Any CPU") or leave those properties blank to use the default solution configuration. Done building project "SilverlightApplication1.sln" -- FAILED. Build failed. I'm relatively new to silverlight and not really sure where to start. This has happened with every project I have created in Blend, but when I run it in VS2010 it runs perfect. Is this a known issue with the Beta release or am I possibly missing something? Thanks in advance.

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  • WCF - problem with local service (The server has rejected the client credentials.)

    - by H4mm3rHead
    Hi, I have a simple setup, a WPF application running on the machine and a WCF service hosted within a Windows Service on the same machine (always on the same machine). When i debug on one computer i can easily access the local WCF Service. When i run it on another machine i get an error: "The server has rejected the client credentials." Some of my observations are, that at my local machine i have no domain/network. Its my home machine. When at a customers site, it will not run, and gives the above error. Anyone got any ideas on why this is different on these computers? /Brian

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  • Rx Reactive extensions: Unit testing with FromAsyncPattern

    - by Andrew Anderson
    The Reactive Extensions have a sexy little hook to simplify calling async methods: var func = Observable.FromAsyncPattern<InType, OutType>( myWcfService.BeginDoStuff, myWcfService.EndDoStuff); func(inData).ObserveOnDispatcher().Subscribe(x => Foo(x)); I am using this in an WPF project, and it works great at runtime. Unfortunately, when trying to unit test methods that use this technique I am experiencing random failures. ~3 out of every five executions of a test that contain this code fails. Here is a sample test (implemented using a Rhino/unity auto-mocking container): [TestMethod()] public void SomeTest() { // arrange var container = GetAutoMockingContainer(); container.Resolve<IMyWcfServiceClient>() .Expect(x => x.BeginDoStuff(null, null, null)) .IgnoreArguments() .Do( new Func<Specification, AsyncCallback, object, IAsyncResult>((inData, asyncCallback, state) => { return new CompletedAsyncResult(asyncCallback, state); })); container.Resolve<IRepositoryServiceClient>() .Expect(x => x.EndRetrieveAttributeDefinitionsForSorting(null)) .IgnoreArguments() .Do( new Func<IAsyncResult, OutData>((ar) => { return someMockData; })); // act var target = CreateTestSubject(container); target.DoMethodThatInvokesService(); // Run the dispatcher for everything over background priority Dispatcher.CurrentDispatcher.Invoke(DispatcherPriority.Background, new Action(() => { })); // assert Assert.IsTrue(my operation ran as expected); } The problem that I see is that the code that I specified to run when the async action completed (in this case, Foo(x)), is never called. I can verify this by setting breakpoints in Foo and observing that they are never reached. Further, I can force a long delay after calling DoMethodThatInvokesService (which kicks off the async call), and the code is still never run. I do know that the lines of code invoking the Rx framework were called. Other things I've tried: I have attempted to modify the second last line according to the suggestions here: Reactive Extensions Rx - unit testing something with ObserveOnDispatcher No love. I have added .Take(1) to the Rx code as follows: func(inData).ObserveOnDispatcher().Take(1).Subscribe(x = Foo(x)); This improved my failure rate to something like 1 in 5, but they still occurred. I have rewritten the Rx code to use the plain jane Async pattern. This works, however my developer ego really would love to use Rx instead of boring old begin/end. In the end I do have a work around in hand (i.e. don't use Rx), however I feel that it is not ideal. If anyone has ran into this problem in the past and found a solution, I'd dearly love to hear it.

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  • Please explain some of Paul Graham's points on LISP

    - by kunjaan
    I need some help understanding some of the points from Paul Graham's article http://www.paulgraham.com/diff.html A new concept of variables. In Lisp, all variables are effectively pointers. Values are what have types, not variables, and assigning or binding variables means copying pointers, not what they point to. A symbol type. Symbols differ from strings in that you can test equality by comparing a pointer. A notation for code using trees of symbols. The whole language always available. There is no real distinction between read-time, compile-time, and runtime. You can compile or run code while reading, read or run code while compiling, and read or compile code at runtime. What do these points mean How are they different in languages like C or Java? Do any other languages other than LISP family languages have any of these constructs now?

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  • PHP SimpleXML recursive function to list children and attibutes

    - by Phill Pafford
    I need some help on the SimpleXML calls for a recursive function that lists the elements name and attributes. Making a XML config file system but each script will have it's own config file as well as a new naming convention. So what I need is an easy way to map out all the elements that have attributes, so like in example 1 I need a simple way to call all the processes but I don't know how to do this without hard coding the elements name is the function call. Is there a way to recursively call a function to match a child element name? I did see the xpath functionality but I don't see how to use this for attributes. Any ideas? Also does the XML in the examples look correct? can I structure my XML like this? Example 1: <application> <processes> <process id="123" name="run batch A" /> <process id="122" name="run batch B" /> <process id="129" name="run batch C" /> </processes> <connections> <databases> <database usr="test" pss="test" hst="test" dbn="test" /> </databases> <shells> <ssh usr="test" pss="test" hst="test-2" /> <ssh usr="test" pss="test" hst="test-1" /> </shells> </connections> </application> Example 2: <config> <queues> <queue id="1" name="test" /> <queue id="2" name="production" /> <queue id="3" name="error" /> </queues> </config> Pseudo code: // Would return matching process id getProcess($process_id) { return the process attributes as array that are in the XML } // Would return matching DBN (database name) getDatabase($database_name) { return the database attributes as array that are in the XML } // Would return matching SSH Host getSSHHost($ssh_host) { return the ssh attributes as array that are in the XML } // Would return matching SSH User getSSHUser($ssh_user) { return the ssh attributes as array that are in the XML } // Would return matching Queue getQueue($queue_id) { return the queue attributes as array that are in the XML } EDIT: Can I pass two parms? on the first method you have suggested @Gordon public function findProcessById($id, $name) { $attr = false; $el = $this->xml->xpath("//process[@id='$id']"); // How do I also filter by the name? if($el && count($el) === 1) { $attr = (array) $el[0]->attributes(); $attr = $attr['@attributes']; } return $attr; }

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  • Interfacing Android Nexus One with Arduino + BlueSmirf

    - by efgomez
    I'm a bit new to all of this, so bear with me - I'd really appreciate your help. I am trying to link the Android Nexus One with an arduino (Duemilanove) that is connected to a BlueSmirf. I have a program that is simply outputting the string "Hello Bluetooth" to whatever device the BlueSmirf is connected to. Here is the Arduino program: void setup(){ Serial.begin(115200); int i; } void loop(){Serial.print("Hello Bluetooth!"); delay(1000); } One my computer BT terminal I can see the message and connect no problem. The trouble is with my android code. I can connect to the device with android, but when I look at the log it is not displaying "Hello Bluetooth". Here is the debug log: 04-09 16:27:49.022: ERROR/BTArduino(17288): FireFly-2583 connected 04-09 16:27:49.022: ERROR/BTArduino(17288): STARTING TO CONNECT THE SOCKET 04-09 16:27:55.705: ERROR/BTArduino(17288): Received: 16 04-09 16:27:56.702: ERROR/BTArduino(17288): Received: 1 04-09 16:27:56.712: ERROR/BTArduino(17288): Received: 15 04-09 16:27:57.702: ERROR/BTArduino(17288): Received: 1 04-09 16:27:57.702: ERROR/BTArduino(17288): Received: 15 04-09 16:27:58.704: ERROR/BTArduino(17288): Received: 1 04-09 16:27:58.704: ERROR/BTArduino(17288): Received: 15 ect... Here is the code, I'm trying to put only the relative code but if you need more please let me know: private class ConnectThread extends Thread { private final BluetoothSocket mySocket; private final BluetoothDevice myDevice; public ConnectThread(BluetoothDevice device) { myDevice = device; BluetoothSocket tmp = null; try { tmp = device.createRfcommSocketToServiceRecord(MY_UUID); } catch (IOException e) { Log.e(TAG, "CONNECTION IN THREAD DIDNT WORK"); } mySocket = tmp; } public void run() { Log.e(TAG, "STARTING TO CONNECT THE SOCKET"); InputStream inStream = null; boolean run = false; //...More Connection code here... The more relative code is here: byte[] buffer = new byte[1024]; int bytes; // handle Connection try { inStream = mySocket.getInputStream(); while (run) { try { bytes = inStream.read(buffer); Log.e(TAG, "Received: " + bytes); } catch (IOException e3) { Log.e(TAG, "disconnected"); } } I am reading bytes = inStream.read(buffer). I know bytes is an integer, so I tried sending integers over bluetooth because "bytes" was an integer but it still didn't make sense. It almost appears that is sending incorrect baud rate. Could this be true? Any help would be appreciated. Thank you very much.

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  • NoSQL vs Ehcache caching advise for speeding up read only mysql Database

    - by paddydub
    I'm building a Route Planner Webapp using Spring/Hibernate/Tomcat and a mysql database, I have a database containing read only data, such as Bus Stop Coordinates, Bus times which is never updated. I'm trying to make the app run faster, each time the application is run it will preform approx 1000 reads to the database to calculate a route. I have setup a Ehcache which greatly improves the read from database times. I'm now setting terracotta + Ehcache distributed caching to share the cache with multiple Tomcat JVMs. This seems a bit complicated. I've tried memcached but it was not performing as fast as ehcache. I'm wondering if a MongoDb or Redis would be better suited. I have no experience with nosql but I would appreciate if anyone has any ideas. What i need is quick access to the read only database.

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  • psexec failing with return code 122 when used from Windows service

    - by Jeremy McGee
    I've written a WCF service as a wrapper around a C# utility we've written that uses the SysInternals psexec utility to run jobs on a remote system. psexec is invoked from C# with command-line parameters that specify the domain, user and password to use. All works fine when I invoke the C# utility from PowerShell locally. However, when I run the utility from the WCF service we see a return code of 122, which corresponds to (?) "The data area passed to a system call is too small". psexec is running against Windows Server 2008. The credentials I'm passing are local administrator, in the same domain as the machine that hosts the service wrapping the utility.

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  • Async friendly DispatcherTimer wrapper/subclass

    - by Simon_Weaver
    I have a DispatcherTimer running in my code that fire every 30 seconds to update system status from the server. The timer fires in the client even if I'm debugging my server code so if I've been debugging for 5 minutes I may end up with a dozen timeouts in the client. Finally decided I needed to fix this so looking to make a more async / await friendly DispatcherTimer. Code running in DispatcherTimer must be configurable whether it is reentrant or not (i.e. if the task is already running it should not try to run it again) Should be task based (whether or not this requires I actually expose Task at the root is a gray area) Should be able to run async code and await on tasks to complete Whether it wraps or extends DispatcherTimer probably doesn't really matter but wrapping it may be slightly less ambiguous if you don't know how to use it Possibly expose bindable properties for IsRunning for UI

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