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  • getJSON not working if the mvc model view controller has a parameter

    - by Paul
    I'm having an issue with a callback. I'm not even getting an error in Firebug. If I alert before and after the getjson call both alerts show but the getjson call doesn't fire. public ActionResult TestPage() { return View(); } public ActionResult LoadMapLonLats(int mapId) { //some code return Json(_myMaps); } $("#Search").click(function() { $.getJSON("LoadMapLonLats", { mapId: 73 }, loadDbMap); }); function loadDbMap(maps) { alert('m'); $.each(maps, function(i) { alert(maps[i]); }); } As long as I leave TestPage without a parameter is works. If I add a parameter to TestPage(int id) then the call back to LoadMapLonLats doesn't work. Seems odd. Of course TestPage is the page I'm loading so I need to do some work here before rendering the page. Not sure why adding a parameter to the view would break the callback to another function. //this breaks he callback to LoadMapLonLats public ActionResult TestPage(int id) { return View(); } Any ideas? Seems like this may be related, if not sorry I can post a new thread.

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  • android.intent.action.SCREEN_ON doesn't work as a receiver intent filter

    - by Jim Blackler
    I'm trying to get a BroadcastReceiver invoked when the screen is turned on. In my AndroidManifest.xml I have specified : <receiver android:name="IntentReceiver"> <intent-filter> <action android:name="android.intent.action.SCREEN_ON"></action> </intent-filter> </receiver> However it seems the receiver is never invoked (breakpoints don't fire, log statements ignored). I've swapped out SCREEN_ON for BOOT_COMPLETED for a test, and this does get invoked. This is in a 1.6 (SDK level 4) project. A Google Code Search revealed this, I downloaded the project and synced it, converted it to work with latest tools, but it too is not able to intercept that event. http://www.google.com/codesearch/p?hl=en#_8L9bayv7qE/trunk/phxandroid-intent-query/AndroidManifest.xml&q=android.intent.action.SCREEN_ON Is this perhaps no longer supported? Previously I have been able to intercept this event successfully with a call to Context.registerReceiver() like so registerReceiver(new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { // ... } }, new IntentFilter(Intent.ACTION_SCREEN_ON)); However this was performed by a long-living Service. Following sage advice from CommonsWare I have elected to try to remove the long-living Service and use different techniques. But I still need to detect the screen off and on events.

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  • Localize WiX installer which uses the Firewall extension

    - by tronda
    I've got a WiX installer project which uses MSBuild to generate the MSI file. The WXS file includes the WiX firewall extension: xmlns:fire="http://schemas.microsoft.com/wix/FirewallExtension" I've defined two cultures in the MSBuild file with the following definition: <PropertyGroup> ... <Cultures>en-us;no-no</Cultures> </PropertyGroup> I've also added the translated resources: <ItemGroup> <EmbeddedResource Include="lang\Firewall_no-no.wxl" /> <EmbeddedResource Include="lang\WixUI_no-no.wxl" /> </ItemGroup> These represents translation to Norwegian for the Firewall extension and the WixUI extension. When I run the build it succeeds with the en-us part, but the no-no part fails with the following error messages: C:\delivery\Dev\wix30_public\src\ext\FirewallExtension\wixlib\FirewallExtension.wxs(19): error LGHT0102: The localization variable !(loc.WixSchedFirewallExceptionsInstall) is unknown. Please ensure the variable is defined. .... Couple of issues: I don't know where the C:\delivery directory comes from. I don't have such a directory. The localization variables referenced in the error message have been translated in the Firewall_no-no.wxl file. When I run MSBuild with more detailed information I see the following output right before the error message: Task "Light" Command: C:\Program Files (x86)\Windows Installer XML v3\bin\Light.exe -cultures:no-no -ext "C:\Program Files (x86)\Windows Installer XML v3\bin\WixUIExtension.dll" -ext "C:\Program Files (x86)\Windows I nstaller XML v3\bin\WixUtilExtension.dll" -ext "C:\Program Files (x86)\Windows Installer XML v3\bin\WixFirewallExtension.dll" -loc lang\Firewall_no-no.wxl -loc lang\WixUI_no-no.wxl -out F:\Projects\MyProd\MyProj\Installer\bin\Debug\no-no\MyInstaller.msi -pdbout F:\Projects\MyProd\MyProj\Installer\bin\Debug\no-no\MyInstaller.wixpdb obj\Debug\MyProj.wixobj As the details show, the MSBuild task results in having two -loc parameters to the Light executable. Not sure if that would be the reason for this problem. Any ideas on how to solve this?

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  • Mimicking the UltraGridColumnChooser's drag & drop ability

    - by Sören Kuklau
    (Infragistics 2008 Vol. 3, CLR 2.0) Infragistics's UltraGrid comes with a column chooser user control, which is simply a vertical arrangement of columns with checkboxes that toggle a column's hidden state. In addition, it allows you to pick a column and drag it directly to the grid so you don't have to manually position it afterwards. (This is particularly handy when you already have a lot of visible columns and have no clue where the new one ended up.) I'm building my own column chooser based on an UltraTree. Getting the checkboxes to behave the same wasn't an issue, but I haven't found a way to drag a column from the tree to the grid and have it accept it. In my tree, each UltraTreeNode has a Tag with the following struct: Private Structure DraggableGridColumn Public NodeKey As String Public NodeName As String Public ParentKey As String Public Column As UltraGridColumn End Structure I then have an event as follows: Private Sub columnsTree_SelectionDragStart(ByVal sender As Object, ByVal e As System.EventArgs) Handles columnsTree.SelectionDragStart If columnsTree.SelectedNodes.Count <> 1 Then Return End If If Not TypeOf columnsTree.SelectedNodes(0).Tag Is DraggableGridColumn Then Return End If Dim column As UltraGridColumn = CType(columnsTree.SelectedNodes(0).Tag, DraggableGridColumn).Column columnsTree.DoDragDrop(column, DragDropEffects.All) End Sub In the DoDragDrop call, neither column (of type UltraGridColumn) nor column.Header (of type ColumnHeader) get accepted by the grid. I assume I'm sending the wrong type, and/or that the grid expects a special struct with some additional information. Unfortunately, I've also failed to catch an event (both on the column chooser side as well as on the grid side) where Infragistics's normal column chooser does this properly; the normal drag & drop events never seem to fire.

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  • WPF ICommand over a button

    - by toni
    Hi, I have implemented a custom IComand class for one of my buttons. The button is placed in a page 'MyPage.xaml' but its custom ICommand class is placed in another class, not in the MyPage code behind. Then from XAML I want to bind the button with its custom command class and then I do: MyPage.xaml: <Page ...> <Page.CommandBindings> <CommandBinding Command="RemoveAllCommand" CanExecute="CanExecute" Executed="Execute" /> </Page.CommandBindings> <Page.InputBindings> <MouseBinding Command="RemoveAllCommand" MouseAction="LeftClick" /> </Page.InputBindings> <...> <Button x:Name="MyButton" Command="RemoveAllCommand" .../> <...> </Page> and the custom command button class: // Here I derive from MyPage class because I want to access some objects from // Execute method public class RemoveAllCommand : MyPage, ICommand { public void Execute(Object parameter) { <...> } public bool CanExecute(Object parameter) { <...> } public event EventHandler CanExecuteChanged { add { CommandManager.RequerySuggested += value; } remove { CommandManager.RequerySuggested -= value; } } } My problem is how to say MyPage.xaml that Execute and CanExecute methods for the button is in another class and not the code behind where is placed the button. How to say these methods are in RemoveAllCommand Class in XAML page. Also I want to fire this command when click mouse event is produced in the button so I do an input binding, is it correct? Thanks

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  • How do I properly host a WCF Data Service in IIS? Why am I getting errors?

    - by j0rd4n
    I'm playing around with WCF Data Services (ADO.NET Data Services). I have an entity framework model pointed at the AdventureWorks database. When I debug my svc file from within Visual Studio, it works great. I can say /awservice.svc/Customers and get back the ATOM feed I expect. If I publish the service (hosted in an ASP.NET web application) to IIS7, the same query string returns a 500 fault. The root svc page itself works as expected and successfully returns ATOM. The /Customers path fails. Here is what my grants look like in the svc file: public class AWService : DataService<AWEntities> { public static void InitializeService( DataServiceConfiguration config ) { config.SetEntitySetAccessRule( "*", EntitySetRights.All ); config.SetServiceOperationAccessRule( "*", ServiceOperationRights.All ); config.DataServiceBehavior.MaxProtocolVersion = DataServiceProtocolVersion.V2; } } Update: I enabled verbose errors and get the following in the XML message: <innererror> <message>The underlying provider failed on Open.</message> <type>System.Data.EntityException</type> <stacktrace> at System.Data.EntityClient.EntityConnection.OpenStoreConnectionIf( ... ... <internalexception> <message> Login failed for user 'IIS APPPOOL\DefaultAppPool'. </message> <type>System.Data.SqlClient.SqlException</type> <stacktrace> at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, ...

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  • jQuery "Microsoft JScript runtime error: Object expected"

    - by Oskar Kjellin
    I have the below code that does not seem to work at all :( I keep getting: Microsoft JScript runtime error: Object expected The error seems to occur when the timeout is done. So if I raise the timeout with 10 seconds the error holds for another 10 seconds. I want to be able to update the number of friends online async. The number is shown with the following html: <a href="" id="showChat" >Friends online <strong id="friendsOnline">(?)</strong></a> The friends part is set at the first run, but when the timeout calls back it does not fire again. Also, I cannot see on which line the error occurs because if I want to break on the error it just shows "no source code" etc. The code below is the code I'm using. Thanks! <script src="http://ajax.microsoft.com/ajax/jquery/jquery-1.3.2.js" type="text/javascript"></script> <script src='/Scripts/MicrosoftAjax.js' type="text/javascript"></script> <script src='/Scripts/MicrosoftMvcAjax.js' type="text/javascript"></script> <script src='/Scripts/jquery.autocomplete.js' type="text/javascript"></script> <script type="text/javascript"> $(document).ready(function() { UpdateFriendsOnline(); function UpdateFriendsOnline() { window.setTimeout("UpdateFriendsOnline()", 1000); $.get("/Account/GetFriendsOnline", function(data) { $("#friendsOnline").html("(" + data + ")"); }); } }); </script>

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  • Android ASync task ProgressDialog isn't showing until background thread finishes

    - by jackbot
    I've got an Android activity which grabs an RSS feed from a URL, and uses the SAX parser to stick each item from the XML into an array. This all works fine but, as expected, takes a bit of time, so I want to use AsyncActivity to do it in the background. My code is as follows: class AddTask extends AsyncTask<Void, Item, Void> { protected void onPreExecute() { pDialog = ProgressDialog.show(MyActivity.this,"Please wait...", "Retrieving data ...", true); } protected Void doInBackground(Void... unused) { items = parser.getItems(); for (Item it : items) { publishProgress(it); } return(null); } protected void onProgressUpdate(Item... item) { adapter.add(item[0]); } protected void onPostExecute(Void unused) { pDialog.dismiss(); } } Which I call in onCreate() with new AddTask().execute(); The line items = parser.getItems() works fine - items being the arraylist containing each item from the XML. The problem I'm facing is that on starting the activity, the ProgressDialog which i create in onPreExecute() isn't displayed until after the doInBackground() method has finished. i.e. I get a black screen, a long pause, then a completely populated list with the items in. Why is this happening? Why isn't the UI drawing, the ProgressDialog showing, the parser getting the items and incrementally adding them to the list, then the ProgressDialog dismissing?

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  • "Trying to get property of non-object" error with SimpleXML and PHP

    - by SooDesuNe
    I'm using a PHP script with SimpleXML to parse an XML feed. I have no control over the content of the XML. try { $xml = @new SimpleXMLElement($fetchResult); } catch (Exception $e) { errorHandle($e->getMessage());} $userNick = $xml->View->ScrollView->VBoxView->View->MatrixView->VBoxView[0]->HBoxView->TextView->SetFontStyle->b; foreach ($xml->View->ScrollView->VBoxView->View->MatrixView->VBoxView[0]->VBoxView as $pathToSubTree){ foreach ($pathToSubTree->MatrixView->View->VBoxView->VBoxView->HBoxView[0]->VBoxView->MatrixView->VBoxView as $canopy){ //Do some stuff now that we've found the canopy of the tree } $canopy = $pathToSubTree->MatrixView->View->VBoxView->VBoxView->HBoxView[0]->VBoxView->MatrixView->VBoxView; if(is_null($canopy)){ //Do some stuff stuff is the canopy was not traceable } } $pathToSubTree = $xml->View->ScrollView->VBoxView->View->MatrixView->VBoxView[0]->VBoxView; if(is_null($pathToSubTree)){ //Do some stuff stuff is the subTree path was not traceable } unset($xml); I'm getting lots of two errors, which I'm sure are related to the same cause: PHP Notice: Trying to get property of non-object in myScript.php on line 45 PHP Warning: Invalid argument supplied for foreach() in myScript.php on line 45 PHP Notice: Trying to get property of non-object in myScript.php on line 76 Line 45 is (from above): foreach ($pathToSubTree->MatrixView->View->VBoxView->VBoxView->HBoxView[0]->VBoxView->MatrixView->VBoxView as $canopy){ Line 76 is (from above): $canopy = $pathToSubTree->MatrixView->View->VBoxView->VBoxView->HBoxView[0]->VBoxView->MatrixView->VBoxView; I'm pretty sure this error is caused by one of the arrays in my path not being an array for the particular XML, but some times it CAN be an array. What's the correct way to deal with these?

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  • Model validation with enumerable properties in Asp.net MVC2 RTM

    - by Robert Koritnik
    I'm using DataAnnotations attributes to validate my model objects. My model class looks similar to this: public class MyModel { [Required] public string Title { get; set; } [Required] public List<User> Editors { get; set; } } public class User { public int Id { get; set; } [Required] public string FullName { get; set; } [Required] [DataType(DataType.Email)] public string Email { get; set; } } My controller action looks like: public ActionResult NewItem(MyModel data) { //... } User is presented with a view that has a form with: a text box with dummy name where users enter user's names. For each user they enter, there's a client script coupled with ajax that creates an <input type="hidden" name="data.Editors[0].Id" value="userId" /> for each user entered (enumeration index is therefore not always 0 as written here), so default model binder is able to consume and bind the form without any problems. a text box where users enter the title Since I'm using Asp.net MVC 2 RTM which does model validation instead of input validation I don't know how to avoid validation errors. The thing is I have to use BindAttribute on my controller action. I would have to either provide a white or a black list of properties. It's always a better practice to provide a white list. It's also more future proof. The problem My form works fine, but I get validation errors about user's FullName and Email properties since they are not provided. I also shouldn't feed them to the client (via ajax when user enters user data), because email is personal contact data and is not shared between users. If there was just a single user reference on MyModel I would write [Bind(Include = "Title, Editor.Id")] But I have an enumeration of them. How do I provide Bind white list to work with my model?

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  • HTML 5 Video OnEnded Event not Firing

    - by Eric J.
    I'm trying to react to the HTML 5 onended event for the video tag without success. In the code snippet below I added the mouseleave event to be sure the jQuery code is correct and that event does activate the alert() box. The video plays just fine but onended does not cause my alert() to fire off. Testing in Chrome, updated today to version 5.0.375.55. <html> <head> <script src="http://code.jquery.com/jquery-1.4.2.min.js"></script> <script> $(document).ready(function(){ $("#myVideoTag").bind('mouseleave onended', function(){ alert("All done, function!"); }); }); </script> </head> <body> <video id="myVideoTag" width="640" height="360" poster="Fractal-zoom-1-04-Snowflake.jpg" controls> <source src="Fractal-zoom-1-04-Snowflake.mp4" type="video/mp4"></source> <source src="Fractal-zoom-1-04-Snowflake.ogg" type="video/ogg"></source> </video> <body> <html>

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  • DHTMLX Calendar onChange

    - by Sickaaron
    I am having an issue with the DHTMLX Calendar with the onChange in the input field. I am initialisating the code with the following: jQuery(document).ready(function($){ var calendar; calendar = new dhtmlXCalendarObject(["date"]); calendar.hideTime(); calendar.setDateFormat("%d/%m/%Y"); $('.lightbox').lightbox(); $('#slider').cycle(); }); function checkDate() { var date = $("[name='date']").val(); alert(date); } In the form i am using: <input type="text" name="date" id="date" onchange="checkDate();" /> How it should be (and was working with JQuery UI datepicker) once the date is entered into the input field the onchange function would fire. However in this case: the onchange with this calendar does nothing. I have tried changing the following to this: jQuery(document).ready(function($){ var calendar; calendar = new dhtmlXCalendarObject(["date"]); calendar.hideTime(); calendar.setDateFormat("%d/%m/%Y"); calendar.attachEvent("onChange",function(date, state){ checkDate(); }); $('.lightbox').lightbox(); $('#slider').cycle(); }); function checkDate() { var date = $("[name='date']").val(); alert(date); } But the onchange event happens before the date is entered, ie when i click on the input field. Reason for changing from JQuery UI to this DHTMLX is that JQuery UI Datepicker does not support all platforms (iPhones/iPads etc) and DHTMLX does.

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  • jQuery Sortable .toArray with ASP.NET MVC ActionResult

    - by Stacey
    Third try at fixing this tonight - trying a different approach than before now. Given a jQuery Sortable List.. <ul id="sortable1" class="connectedSortable"> <li class="ui-state-default" id="item1">Item 1</li> <li class="ui-state-default" id="item2">Item 2</li> <li class="ui-state-default">Item 3</li> <li class="ui-state-default ">Item 4</li> <li class="ui-state-default">Item 5</li> </ul> <ul id="sortable2" class="connectedSortable"> </ul> And ASP.NET MVC ActionResult.. [AcceptVerbs(HttpVerbs.Post)] public ActionResult Insert( string[] items ) { return null; } Activated by JavaScript... $("#sortable1, #sortable2").sortable({ connectWith: '.connectedSortable', dropOnEmpty: true, receive: function () { var items = $(this).sortable('toArray'); alert(items); $.ajax({ url: '/Manage/Events/Insert', type: 'post', data: { 'items': items } }); } }).disableSelection(); The 'alert' DOES show the right items. It shows 'item1, item2' etc. But my ASP.NET MVC ActionResult gets nothing. The method DOES fire, but the 'items' parameter comes in null. Any ideas?

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  • VS2010 - How to automatically stop compile on first compile error

    - by Ben Robbins
    {rant}First I'd like to say that this IS NOT A DUPLICATE. I've asked this question previously but it got closed as a duplicate when it isn't. This question is SPECIFIC to VS 2010 and the answers to the so-called duplicate work in VS 2008 but not in VS 2010 (at least not for me or anyone I know). So before you go closing something as a duplicate how about you read the question carefully and try the answer for yourself and see if it actually works. Apologies for the rant but there is no obvious way to contact the SO police that closed the issue or get it reopened. {/rant} At work we have a C# solution with over 80 projects. In VS 2008 we use a macro to stop the compile as soon as a project in the solution fails to build (see this question for several options for VS 2005 & VS 2008: http://stackoverflow.com/questions/134796/how-to-automatically-stop-visual-c-build-at-first-compile-error). Is it possible to do the same in VS 2010? What we have found is that in VS 2010 the macros don't work (at least I couldn't get them to work) as it appears that the environment events don't fire in VS 2010. The default behaviour is to continue as far as possible and display a list of errors in the error window. I'm happy for it to stop either as soon as an error is encountered (file-level) or as soon as a project fails to build (project-level). Answers for VS 2010 only please. If the macros do work then a detailed explanation of how to configure them for VS 2010 would be appreciated. Thanks.

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  • C# - Possible to use IOCTL

    - by theblip
    I'm trying to code for a Point Of Sale system which allows for a "Cash Drawer" attachment. Code is provided in the manual for opening the cash drawer (in C++ using IOCTL). Since I am coding in C# .NET, is it possible to perform something similar from within C# or will I have to write some unmanaged code? Am I able to get a handle to "\\.\ADVANSYS" from within C#? Do I need to use DLLImport? Would appreciate it if someone could point me in the right direction. // IOCTL Codes #define GPD_TYPE 56053 #define ADV_OPEN_CTL_CODE CTL_CODE(GPD_TYPE, 0x920, METHOD_BUFFERED, FILE_ANY_ACCESS) #define ADV_STATUS_CTL_CODE CTL_CODE(GPD_TYPE, 0x900, METHOD_BUFFERED, FILE_ANY_ACCESS) void OpenDrawer(UCHAR uWhichDrawer) // uWhichDrawer = 1 => CD#1, uWhichDrawer = 2 => CD#2 { HANDLE hFile; BOOL bRet UCHAR uDrawer = uWhichDrawer; // Open the driver hFile = CreateFile(TEXT("\\\\.\\ADVSYS"), GENERIC_WRITE | GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0); if (m_hFile == INVALID_HANDLE_VALUE) { AfxMessageBox("Unable to open Cash Drawer Device Driver!"); return; } // Turn on the Cash Drawer Output (Fire the required solenoid) bRet = DeviceIoControl(hFile, ADV_CD_OPEN_CTL_CODE, &uDrawer, sizeof(uDrawer), NULL, 0, &ulBytesReturned, NULL); if (bRet == FALSE || ulBytesReturned != 1) { AfxMessageBox("Failed to write to cash drawer driver"); CloseHandle(hFile); return; } CloseHandle(hFile); }

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  • Streaming to the Android MediaPlayer

    - by Rob Szumlakowski
    Hi. I'm trying to write a light-weight HTTP server in my app to feed dynamically generated MP3 data to the built-in Android MediaPlayer. I am not permitted to store my content on the SD card. My input data is essentially of an infinite length. I tell MediaPlayer that its data source should basically be something like "http://localhost/myfile.mp3". I've a simple server set up that waits for MediaPlayer to make this request. However, MediaPlayer isn't very cooperative. At first, it makes an HTTP GET and tries to grab the whole file. It times out if we try and simply dump data into the socket so we tried using the HTTP Range header to write data in chunks. MediaPlayer doesn't like this and doesn't keep requesting the subsequent chunks. Has anyone had any success streaming data directly into MediaPlayer? Do I need to implement an RTSP or Shoutcast server instead? Am I simply missing a critical HTTP header? What strategy should I use here? Rob Szumlakowski

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  • How to use HTTP Live Streaming protocol in iPhone SDk 3.0

    - by Pugal Devan
    Hi Guys, i have developed on IPhone application and submitted to App store. But my application got rejected based on below criteria. Thank you for submitting your yyyyyyyy application. We have reviewed your application and have determined that it cannot be posted to the App Store at this time because it is not using the HTTP Live Streaming protocol to broadcast streaming video. HTTP Live Streaming is required when streaming video feeds over the cellular network, in order to have an optimal user experience and utilize cellular best practices. This protocol automatically determines bandwidth available to users and adjusts the bandwidth appropriately, even as bandwidth streams change. This allows you the flexibility to have as many streams as you like, as long as 64 kbps is set as the baseline feed. In my apps i have to stream prerecorded m4v and mp3 files from my server. I used MPMoviePlayerController to stream and play those videos / audio. How to implement the HTTP Live Streaming Protocol in my apps? Also can i get some sample code? Thanks in advance!

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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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  • Using NSXMLParser with CDATA

    - by Robb
    I'm parsing an RSS feed with NSXMLParser and it's working fine for the title and other strings but one of the elements is an image thats like <!CDATA <a href="http:image..etc> How do I add that as my cell image in my table view? Would I define that as an image type? This is what i'm using to do my parsing: - (void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName attributes:(NSDictionary *)attributeDict{ //NSLog(@"found this element: %@", elementName); currentElement = [elementName copy]; if ([elementName isEqualToString:@"item"]) { // clear out our story item caches... item = [[NSMutableDictionary alloc] init]; currentTitle = [[NSMutableString alloc] init]; currentDate = [ [NSMutableString alloc] init]; currentSummary = [[NSMutableString alloc] init]; currentLink = [[NSMutableString alloc] init]; } } - (void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName{ //NSLog(@"ended element: %@", elementName); if ([elementName isEqualToString:@"item"]) { // save values to an item, then store that item into the array... [item setObject:currentTitle forKey:@"title"]; [item setObject:currentLink forKey:@"link"]; [item setObject:currentSummary forKey:@"description"]; [item setObject:currentDate forKey:@"date"]; [stories addObject:[item copy]]; NSLog(@"adding story: %@", currentTitle); } } - (void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string{ //NSLog(@"found characters: %@", string); // save the characters for the current item... if ([currentElement isEqualToString:@"title"]) { [currentTitle appendString:string]; } else if ([currentElement isEqualToString:@"link"]) { [currentLink appendString:string]; } else if ([currentElement isEqualToString:@"description"]) { [currentSummary appendString:string]; } else if ([currentElement isEqualToString:@"pubDate"]) { [currentDate appendString:string]; } }

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  • Silverlight4 + C#: Using INotifyPropertyChanged in a UserControl to notify another UserControl is no

    - by Aidenn
    I have several User Controls in a project, and one of them retrieves items from an XML, creates objects of the type "ClassItem" and should notify the other UserControl information about those items. I have created a class for my object (the "model" all items will have): public class ClassItem { public int Id { get; set; } public string Type { get; set; } } I have another class that is used to notify the other User Controls when an object of the type "ClassItem" is created: public class Class2: INotifyPropertyChanged { // Properties public ObservableCollection<ClassItem> ItemsCollection { get; internal set; } // Events public event PropertyChangedEventHandler PropertyChanged; // Methods public void ShowItems() { ItemsCollection = new ObservableCollection<ClassItem>(); if (PropertyChanged != null) { PropertyChanged(this, new PropertyChangedEventArgs("ItemsCollection")); } } } The data comes from an XML file that is parsed in order to create the objects of type ClassItem: void DisplayItems(string xmlContent) { XDocument xmlItems = XDocument.Parse(xmlContent); var items = from item in xmlItems.Descendants("item") select new ClassItem{ Id = (int)item.Element("id"), Type = (string)item.Element("type) }; } If I'm not mistaken, this is supposed to parse the xml and create a ClassItem object for each item it finds in the XML. Hence, each time a new ClassItem object is created, this should fire the Notifications for all the UserControls that are "bind" to the "ItemsCollection" notifications defined in Class2. Yet the code in Class2 doesn't even seem to be run :-( and there are no notifications of course... Am I mistaken in any of the assumptions I've done, or am I missing something? Any help would be appreciated! Thx!

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  • FullCalendar and events: function

    - by Ernest
    I am trying to display my events from a MySQL database. I'm using the events function. My XML file being returned is pretty basic. I've looked at all of the FullCalendar questions and most of them talk about JSON and point to the documentation for JSON. I can't use JSON. I have to go XML. Can you tell me where I'm off. Here is a sample of what my xml looks like: Grow Your Business on the Web 2010-06-05T9:30 2010-06-05T12:30 O The whole file is prefaced with a tag and closed with a tag. My jquery is as follows: $(document).ready(function() { $('#calendar').fullCalendar({ height: 550, theme: true, header: { left: 'prev,next today', center: 'title', right: 'month,agendaWeek,agendaDay' }, editable: true, events: function(start, end, callback) { $.ajax({ url: 'ncludeFiles/sbdp-cal-xml.php', dataType: 'xml', data: { // our hypothetical feed requires UNIX timestamps start: Math.round(start.getTime() / 1000), end: Math.round(end.getTime() / 1000) }, success: function(doc) { var events = []; $(doc).find('event').each(function() { events.push({ title: $(this).attr('title'), start: $(this).attr('start'), end: $(this).attr('end'), className: $(this).attr('className'), url: $(this).attr('url') }); }); callback(events); } }); } }); }); I'd appreciate any help you could give me. Thanks!

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  • UIWebView not loading URL when URL is passed from UITableView

    - by Mark Hazlett
    Hey Everyone, So i'm building a webView into my application to show the contents of a URL that I am passing from a selection in a UITableView. I know the UIWebView is loading content properly because if you hard code say http://www.google.ca into the NSURL then it loads fine, however when I'm passing the URL that I parsed from an RSS feed back from the UITableView it won't load the URL properly. I tried the debugger and the URL is coming out as nil right before I try and parse it, however I can use NSLog to print the value of it out to the console. here's the code in my UIViewController that has my UIWebView #import <UIKit/UIKit.h> @interface ReadFeedWebViewController : UIViewController { NSString *urlToGet; IBOutlet UIWebView *webView; } @property(nonatomic, retain) IBOutlet UIWebView *webView; @property(nonatomic, retain) NSString *urlToGet; @end Here's the code for my implementation's viewDidLoad method... // Implement viewDidLoad to do additional setup after loading the view, typically from a nib. - (void)viewDidLoad { [super viewDidLoad]; NSLog(@"Url inside Web View Controller - %@", urlToGet); NSURL *url = [NSURL URLWithString:urlToGet]; NSURLRequest *requestObj = [NSURLRequest requestWithURL:url]; [self.webView loadRequest:requestObj]; } Once again, I can print the URL to NSLog fine and if I hard code the URL into the NSURL object then it will load fine in the UIWebView. Here is where I'm setting the value in my UITableViewController... - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { ReadFeedWebViewController *extendedView = [[ReadFeedWebViewController alloc] init]; int storyIndex = [indexPath indexAtPosition: [indexPath length] - 1]; extendedView.urlToGet = [[stories objectAtIndex: storyIndex] objectForKey:@"link"]; //NSLog([[stories objectAtIndex: storyIndex] objectForKey:@"summary"]); NSLog([[stories objectAtIndex: storyIndex] objectForKey:@"link"]); [self.navigationController pushViewController:extendedView animated:YES]; [extendedView release]; } However, since I can print the value using NSLog in the extendedView view controller I know it's being passed properly. Cheers

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  • OCR: How to improve accuracy - existing libraries for removing non-text 'furniture', shapes, etc to

    - by Rob
    I want to remove rectangles etc that enclose text in a screenshot image, so that I can perform optical character recognition to get accurate text from the screenshot. Background: I doing this to extract data from a legacy application for use with other applications. This is the only way to get at this data as associated files are in a closed, proprietary, binary format. I will be using AutoItScript to drive the application to show data in its UI, then I will screenshot this and feed this to tesseract. I've already had some success in automating the UI, and have been able to use tesseract to get plain ascii text out of the bitmap. There are several AutoItScripr forum articles discussing its use with tesseract/OCR but not specifically for my question. http://www.autoitscript.com/forum/index.php?s=6c32c3ece12756e635a619cdf175eff9&showforum=2 What I need to do There are thin, 1-pixel wide rectangles that closely enclose some text, when fed to tesseract, it sees them as I for example for a verticle line of the rectangle. Any thoughts on how to remove the rectangles, or best practices? I'm asking if there is a generic command line based toolset to overwrite rectangles, for example, in .png files. I could then pass the .png through this, then pass it to tesseract. Details on the tesseract release/setup I've used are as follows: Go here: http://code.google.com/p/tesseract-ocr/downloads/list - For the basic english generic character set to get Tesseract up and running and recognising your bitmapped text into ascii text, use tesseract-2.00.eng.tar.gz (current version at time of writing is: "English language data for Tesseract (2.00 and up) Jul 2007 989 KB 84845") Related questions I have already looked at on Stack Overflow http://stackoverflow.com/questions/1335581/how-to-give-best-chance-of-success-to-an-ocr-software http://stackoverflow.com/questions/2296568/analysis-and-transformation-of-the-image-on-the-basis-of-this-analysis-for-better http://stackoverflow.com/questions/2268028/reading-characters-off-of-the-screen In these, my question is not completely answered or a commercial solution is being sold. I do not want to consider a commercial solution at this stage.

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  • Get Alfresco extension properties with OpenCMIS

    - by AJPerez
    I'm writing an OpenCMIS based application, which extracts some data from Alfresco 3.3. It works fine with standard CMIS properties such as cmis:name or cmis:contentStreamMimeType; however, I can't access Alfresco especific properties, which are present on the CMIS AtomPub feed as "Alfresco extensions": <cmisra:object> <cmis:properties> <cmis:propertyString propertyDefinitionId="cmis:name" displayName="Name" queryName="cmis:name"> <cmis:value>test document</cmis:value> </cmis:propertyString> <cmis:propertyString propertyDefinitionId="cmis:contentStreamMimeType" displayName="Content Stream MIME Type" queryName="cmis:contentStreamMimeType"> <cmis:value>text/html</cmis:value> </cmis:propertyString> ... <alf:aspects> ... <alf:properties> <cmis:propertyString propertyDefinitionId="cm:description" displayName="Description" queryName="cm:description"> <cmis:value>This is just a test document</cmis:value> </cmis:propertyString> </alf:properties> </alf:aspects> </cmis:properties> </cmisra:object> Is there any way in which I can get the value of cm:descripcion, with OpenCMIS? My guess is that I need to use the DocumentType interface instead of Document, and then call its getExtensions() method. But I don't know how to get an instance of DocumentType. Any help would be really appreciated. Regards Edit: altough Florian's answer already worked out for me, I've just realized that I can get these properties' values with CMIS SQL, too: select d.*, t.*, a.* from cmis:document d join cm:titled t on d.cmis:objectid = t.cmis:objectid join cm:author a on d.cmis:objectid = a.cmis:objectid where t.cm:description like ...

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  • MVVM Binding in Silverlight3 ItemsControl to get the parent controls DataContext

    - by BigTundra
    I have the following ItemsControl in Silverlight 3. <ItemsControl ItemsSource="{Binding ValueCollectionList}"> <ItemsControl.ItemTemplate> <DataTemplate> <Button x:Name="MyBtn" Height="40" Content="{Binding Name}" Tag="{Binding Value}" cmd:ButtonBaseExtensions.Command="{Binding ElementName=LayoutRoot, Path=ButtonCommand}" cmd:ButtonBaseExtensions.CommandParameter="{Binding ElementName=MyBtn, Path=Tag}"/> </DataTemplate> </ItemsControl.ItemTemplate> </ItemsControl> The Problem is that I have the ItemsControl bound to the Collection in my ViewModel, but I need the button to trigger a command on the ViewModel which is of course not Available in the DataContext of the button since it only contains the collection. I can make the command fire by setting my ViewModel as a Resource and then binding to it as a StaticResource, but I want to know why the element to element binding won't work in this scenario. I would prefer not to use the StaticResource binding because that requires the default constructor on the ViewModel and so I can't inject my data easily.

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