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  • Binding list of objects to WPF ListView

    - by Dave Colwell
    Hi all, I have a list of objects which i want to bind to a ListView control in my WPF application. The Objects have a DataTemplate already, so no need to define that. The list of objects is a property in the codebehind file in the format list<object> When i add one object programatically, it appears fine. But when i try to bind the ItemSource of the ListBox to the list of objects, nothing shows up. I am using the following binding: ItemsSource="{Binding RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type Window}}, Path=Portfolios}" where the name of the property i am trying to bind to is Portfolios and exists on the parent window

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  • Change C# sorting behaviour

    - by Erik
    Lets say i have the strings abc_ and abc2_. Now, normally when sorting i C# abc2_ would come after abc_, leaving the result: abc_ abc2_ I am using this to sort, if it matters: var element = from c in elements orderby c.elementName ascending select c; How can i change this? I want abc_ to come last. Reversing is not an option because the list is contains more than two elements.

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  • can't persist jpa entity in app engine

    - by Bunny Rabbit
    public class Blobx { private String name; private BlobKey blobKey; @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private Key id; //getters and setters } public class Userx { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private Key id; private String name; @OneToMany private List<Blobx> blobs; //getters and setters } while persiting the above Userx entity object i am encountering java.lang.IllegalStateException: Field "entities.Userx.blobs" contains a persistable object that isnt persistent, but the field doesnt allow cascade-persist!

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  • Hibernate advanced select

    - by Marcus
    We want to get a row from a table using Hibernate a la: select max(id) from mytable where date = <date> Then select * from mytable where id = <max_id> We are currently using Hibernate to map mytable to Java domain objects. I know how to load the domain object based on an id. So I could just do #1 using JDBC and then load the domain object using Hibernate the "normal" way. But.. is there a way to do this with one single Hibernate logical query?

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  • How do I make my NSNotification trigger a selector?

    - by marty
    Here's the code: - (void)viewDidLoad { [super viewDidLoad]; NSURL *musicURL = [NSURL URLWithString:@"http://live-three2.dmd2.ch/buureradio/buureradio.m3u"]; if([musicURL scheme]) { MPMoviePlayerController *mp = [[MPMoviePlayerController alloc] initWithContentURL:musicURL]; if (mp) { // save the music player object self.musicPlayer = mp; [mp release]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(popBack:) name:@"MPMoviePlayerDidExitFullscreenNotification" object:nil]; // Play the music! [self.musicPlayer play]; } } } -(void)popBack:(NSNotification *)note { [self.navigationController popToRootViewControllerAnimated:YES]; } The selector method never gets called. I just want to pop back to the root menu when the "Done" button is pressed on the movie player. I put an NSLog in the selector to check if it was even being called, nothing. The music plays fine. Any thoughts?

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  • Custom fine-grained claims based authorization system in ASP.NET MVC - wheres and hows

    - by BuzzBubba
    So, I'd like to implement my own custom authorization system in MVC2. If I'd have to create a global class, where do I instantiate it? Can HttpContext be extended with my own additions and where do I do that? Should I use Authorization filters for rights validation or ActionFilters or do it within an action? Can ActionFilter pass any data to the action itself? Previously (in WebForms) I was using a Session object where I would put a serialized object containing essential user data (account id and a list of roles and rights) and I'd extend my own Page class.

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  • System.Diaganostics.Process.Id Isn't the Same Process Id Shown in Task Manger. Why?

    - by LonnieBest
    I'm using c#'s System.Diagnostic.Process object. One of its properties is Id. The Id this produces is not the same as the PID, shown in Windows Task Manager. Why is this? You see, once this process is started. It launches two other unmanaged processes, for which I can't explicitly get IDs for by object property references. I have to search through all processes to find them by process name via System.Diagnostics.Process.GetProcesses(). I'm trying to find a reliable way to kill this process and all associated processes by PID, the one that shows in Task Manager. Is there a better way? I can't just kill all processes with the associated process names, because that might kill other instances of those processes that have nothing to do with my program.

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  • exception 'Zend_Controller_Action_Exception' with message 'Action "index" does not exist and was not

    - by princyp
    Anyone know what this error means? after googling I found a bunch of sites that appear to have the same error? thanks exception 'Zend_Controller_Action_Exception' with message 'Action "index" does not exist and was not trapped in __call()' in /usr/local/zend/apache2/htdocs/pintsy/lib/Zend/Controller/Action.php:485 Stack trace: #0 /usr/local/zend/apache2/htdocs/pintsy/lib/Zend/Controller/Action.php(515): Zend_Controller_Action->__call('indexAction', Array) #1 /usr/local/zend/apache2/htdocs/pintsy/lib/Zend/Controller/Dispatcher/Standard.php(289): Zend_Controller_Action->dispatch('indexAction') #2 /usr/local/zend/apache2/htdocs/pintsy/lib/Zend/Controller/Front.php(946): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http)) #3 /usr/local/zend/apache2/htdocs/pintsy/html/index.php(114): Zend_Controller_Front->dispatch() #4 {main}

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  • Visual Studio Macro To Switch Solution Configuration

    - by Eddie Parker
    I'm trying to write a macro that toggles between release/debug solution configurations in Visual Studio. It appears I can switch the configuration by using 'DTE.ExecuteCommand("Build.SolutionConfigurations", "Debug")'. Is there a way I can 'read' the value? Or is there a way I can use macros to 'focus' on the solution configuration UI element?

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  • Problem wth paging ObjectDataSource

    - by funky
    asp page code: <asp:ObjectDataSource runat="server" ID="odsResults" OnSelecting="odsResults_Selecting" /> <tr><td> <wssawc:SPGridViewPager ID="sgvpPagerTop" runat="server" GridViewId="sgvConversionResults" /> </td></tr> <tr> <td colspan="2" class="ms-vb"> <wssawc:SPGridView runat="server" ID="sgvConversionResults" AutoGenerateColumns="false" RowStyle-CssClass="" AlternatingRowStyle-CssClass="ms-alternating" /> </td> </tr> Class code: public partial class Convert : System.Web.UI.Page { ... private DataTable resultDataSource = new DataTable(); ... protected void Page_Init(object sender, EventArgs e) { ... resultDataSource.Columns.Add("Column1"); resultDataSource.Columns.Add("Column2"); resultDataSource.Columns.Add("Column3"); resultDataSource.Columns.Add("Column4"); ... odsResults.TypeName = GetType().AssemblyQualifiedName; odsResults.SelectMethod = "SelectData"; odsResults.SelectCountMethod = "GetRecordCount"; odsResults.EnablePaging = true; sgvConversionResults.DataSourceID = odsResults.ID; ConversionResultsCreateColumns(); sgvConversionResults.AllowPaging = true; ... } protected void btnBTN_Click(object sender, EventArgs e) { // add rows into resultDataSource } public DataTable SelectData(DataTable ds,int startRowIndex,int maximumRows) { DataTable dt = new DataTable(); dt.Columns.Add("Column1"); dt.Columns.Add("Column2"); dt.Columns.Add("Column3"); dt.Columns.Add("Column4"); for (int i =startRowIndex; i<startRowIndex+10 ;i++) { if (i<ds.Rows.Count) { dt.Rows.Add(ds.Rows[i][0].ToString(), ds.Rows[i][1].ToString(), ds.Rows[i][2].ToString(), ds.Rows[i][3].ToString()); } } return dt; } public int GetRecordCount(DataTable ds) { return ds.Rows.Count; } protected void odsResults_Selecting(object sender, ObjectDataSourceSelectingEventArgs e) { e.InputParameters["ds"] = resultDataSource; } } On click BTN button resultDataSource receive some rows. Page reload and we can see result in sgvConversionResults. First 10 rows. But after click next page in pager we have message "There are no items to show in this view". When I try debug I find that after postBack page (on click next page) input params "ds" is blank, ds.Rows.Count = 0 and etc... As though resultDataSource became empty(( What do I do not correctly?. Sorry my English.

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  • how to Update JTable

    - by bob3333
    Good evening I have a JTable that I built with a TableModel how to update the elements of the table, because when I do table = new JTable (new TableProg (elementTab)) I create another table above the original table and it is very ugly So for example how to update element of table in a loop at each iteration as "elementTab" changes? thank you very much

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  • Sifr & Colorbox: strange gap in border of colorbox

    - by knalstaaf
    There seems to be a strange gap on the left side of the colorbox when it's laying over a Sifr element. This picture shows the Sifr titles: i39.tinypic.com/zthws0.gif (paste in address bar) This one shows the colorbox being toggled on. Mind the gaps near the Sifr titles: http://i42.tinypic.com/25ft1td.gif Does anyone know how to solve this?

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  • How to decode a JSON String with several objects in PHP?

    - by ilnur777
    Hi, guys! I know how to decode a JSON string with one object with your help from this example http://stackoverflow.com/questions/2543389/how-to-decode-a-json-string But now I would like to improve decoding JSON string with several objects and I can't understand how to do it. Here is an example: { "programmers": [ { "firstName": "Brett", "lastName":"McLaughlin" }, { "firstName": "Jason", "lastName":"Hunter" }, { "firstName": "Elliotte", "lastName":"Harold" } ], "authors": [ { "firstName": "Isaac", "lastName": "Asimov" }, { "firstName": "Tad", "lastName": "Williams" }, { "firstName": "Frank", "lastName": "Peretti" } ], "musicians": [ { "firstName": "Eric", "lastName": "Clapton" }, { "firstName": "Sergei", "lastName": "Rachmaninoff" } ] } How to decode this JSON, call data and display on the page from what object the informartion list is being read? Thank you!

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  • What is the meaning of this Web kit JavaScript warning? (Thickbox)?

    - by janoChen
    Webkit Develoepr tools says the following Javascript Error: Unsafe JavaScript attempt to access frame with URL file:///D:/wamp/www/projects/c1-marching-band2/instruments.html from frame with URL file:///D:/wamp/www/projects/c1-marching-band2/iframeModal.html?placeValuesBefore. Domains, protocols and ports must match. file:///D:/wamp/www/projects/c1-marching-band2/iframeModal.html?placeValuesBefore:15Uncaught TypeError: Property 'tb_remove' of object [object DOMWindow] is not a function I'm trying to close the Thickbox div (iframe) pressing a submit button. But I think there's something wrong with 'tb_remove'. (Just in Chrome) It doe work in their official page: http://jquery.com/demo/thickbox/

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  • jquery won't fade text if positioned: absolute;

    - by DA
    I have LI that I want to fade out and back in. Within the list item I have some text. This text is positioned absolutely within the LI. The catch is that in IE8 (IE6 and 7 seem fine) I can get everything to fade except the text: http://jsbin.com/esamu/13 If I remove the absolute positioning on the text element (in this case, a P), IE8 then can fade the text properly: http://jsbin.com/esamu/14 Anyone know why this is? Anyone know of a fix?

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  • sort items based on their appears count

    - by ANIL MANE
    Hello Experts, I have data like this d b c a d c b a b c a c a d c if you analyse, you will find the appearance of each element as follows a: 4 b: 3 c: 5 d: 2 According to appearance my sorted elements would be c,a,b,d and final output should be c b d a d c b a b c a c a d c Any clue, how we can achieve this using sql query ?

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  • WPF: Bind/Apply Filter on Boolean Property

    - by Julian Lettner
    I want to apply a filter to a ListBox accordingly to the IsSelected property of a CheckBox. At the moment I have something like this. XAML <CheckBox Name="_filterCheckBox" Content="Filter list" Checked="ApplyFilterHandler"/> <ListBox ItemsSource="{Binding SomeItems}" /> CodeBehind public ObservableCollection<string> SomeItems { get; private set; } private void ApplyFilterHandler(object sender, RoutedEventArgs e) { if (_filterCheckBox.IsChecked.Value) CollectionViewSource.GetDefaultView(SomeItems).Filter += MyFilter; else CollectionViewSource.GetDefaultView(SomeItems).Filter -= MyFilter; } private bool MyFilter(object obj) { return ... } It works but this solution feels like the old-fashioned way (Windows Forms). Question: Is it possible to achieve this with Bindings / in XAML? Thanks for your time.

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  • Vector addition of lists

    - by ntimes
    If I had a N lists each of length M, how could I write a nice clean function to return a single list of length M, where each element is the sum of the corresponding elements in the N lists? (starting to learn lisp - go easy!)

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  • WCF Client Proxy State

    - by RemotecUk
    Hi, how do I test the state of my proxy before making calls to my WCF service. I have a duplex channel created using a duplex channel factory. Before making any calls to the server I want to check the state of the proxy object created from the channel factory. I saw this in a book... (to be used in immediate window) ? ((ICommunicationObject)flsProxy).State But it gave this exception... Cannot obtain fields or call methods on the instance of type 'System.ServiceModel.ICommunicationObject' because it is a proxy to a remote object. Would be grateful for any ideas how this can be tested, or is it better to just catch exceptions. Thanks.

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  • Error while rendering .rdl file into pdf format

    - by Arka Chatterjee
    Hi, I an generating reports using SQL Server reporting services. I have generated a report and have put .rdl report file in the "E" drive. Now, when I am going to render the .rdl report file into pdf format,I am getting the exception : - "An error occurred during local report processing." The stack trace is follows : - " at Microsoft.Reporting.WebForms.LocalReport.InternalRender(String format, Boolean allowInternalRenderers, String deviceInfo, CreateAndRegisterStream createStreamCallback, Warning[]& warnings)\r\n at Microsoft.Reporting.WebForms.LocalReport.InternalRender(String format, Boolean allowInternalRenderers, String deviceInfo, String& mimeType, String& encoding, String& fileNameExtension, String[]& streams, Warning[]& warnings)\r\n at Microsoft.Reporting.WebForms.LocalReport.Render(String format, String deviceInfo, String& mimeType, String& encoding, String& fileNameExtension, String[]& streams, Warning[]& warnings)\r\n at SaltlakeSoft.APEX2.Controllers.TestPageController.RenderReport() in E:\Documents and Settings\Administrator\Desktop\afetbuild15thmayapex2\apex2\Controllers\TestPageController.cs:line 1626\r\n at lambda_method(ExecutionScope , ControllerBase , Object[] )\r\n at System.Web.Mvc.ActionMethodDispatcher.<c_DisplayClass1.b_0(ControllerBase controller, Object[] parameters)\r\n at System.Web.Mvc.ActionMethodDispatcher.Execute(ControllerBase controller, Object[] parameters)\r\n at System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary2 parameters)\r\n at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary2 parameters)\r\n at System.Web.Mvc.ControllerActionInvoker.<c_DisplayClassa.b_7()\r\n at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)" I am using the following code : - LocalReport report = new LocalReport(); report.ReportPath = @"E:\Report1.rdl"; List employeeCollection = empRepository.FindAll().ToList(); ReportDataSource reportDataSource = new ReportDataSource("dataSource1",employeeCollection); report.DataSources.Clear(); report.DataSources.Add(reportDataSource); report.Refresh(); string reportType = "PDF"; string mimeType; string encoding; string fileNameExtension; string deviceInfo ="" +"PDF" + "8.5in" + "11in" + "0.5in" +"1in" + "1in" +"0.5in" + ""; Warning[] warnings; string[] streams; byte[] renderedBytes; renderedBytes = report.Render(reportType,deviceInfo,out mimeType,out encoding, out fileNameExtension, out streams, out warnings); Response.Clear(); Response.ContentType = mimeType; Response.AddHeader("content-disposition", "attachment; filename=foo." + fileNameExtension); Response.BinaryWrite(renderedBytes); Response.End(); Please help me. Thanks in advance- Arka

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  • By-Name-Parameters for Constructors

    - by hotzen
    Hello, coming from my other question is there a way to get by-name-parameters for constructors working? I need a way to provide a code-block which is executed on-demand/lazy/by-name inside an object and this code-block must be able to access the class-methods as if the code-block were part of the class. Following Testcase fails: package test class ByNameCons(code: => Unit) { def exec() = { println("pre-code") code println("post-code") } def meth() = println("method") def exec2(code2: => Unit) = { println("pre-code") code2 println("post-code") } } object ByNameCons { def main(args: Array[String]): Unit = { val tst = new ByNameCons { println("foo") meth() // knows meth() as code is part of ByNameCons } tst.exec() // ByName fails (executed right as constructor) println("--------") tst.exec2 { // ByName works println("foo") //meth() // does not know meth() as code is NOT part of ByNameCons } } } Output: foo method pre-code post-code -------- pre-code foo post-code

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  • jQuery background image transition

    - by Hock
    I have a div that has a 'home.jpg' image as background and I want the background to be 'another_image.jpg' when I click something. The thing is that I want the new background to fadeIn and not just to appear (by doing some .css('background', url('another_image.jpg')); ) Is there a way to do that? I've tried the bgImageTransition plugin but it just adds another element on top of the div I had... Thanks,

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