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• Part 7: EBS Modifications and Flagged Files in R12

  - by volker.eckardt(at)oracle.com

  Let me, based on my previous blog, explain the procedure of flagged files a bit better and facilitate the same with screenshots. Flagged files is a concept within the Oracle eBusiness Suite (EBS) release 12, where you flag a standard deployment file, let’s say a Forms file, a Package or a Java class file. When you run the patch analyse, the list of flagged files will be checked and in case one of these files gets patched, the analyse report will tell you. Note: This functionality is also available in release 11, here it is implemented and known as “applcust.txt”. You can flag as many files as you want, in whatever relationship they are with your customizations. In addition to the flag itself you can add a comment. You should use this comment to point to your customization reference (here XXAR_RPT_066 or XXAP_CUST_030). Consider the following two cases: You have created your own report, based on a standard report. In this case you will flag the report file itself, and the key views used. When a patch updates one of these files, you will be informed and can initiate a proper review and testing. (ex.: first line for ARXCTA.rdf) You have created an extensive personalization and because it is business critical you like to be informed if the page definition gets updated. In this case you register the PG.xml file as flagged file. (ex.: second line below for CreateExtBankAcctPG.xml) The menu path to register flagged files is the following: (R) System Administrator > (M) Oracle Applications Manager > Site Map > Maintenance > Register Flagged Files     Your DBA should now run the Patch Analyse every time he is going to apply a new patch. (R) System Administrator > (M) Oracle Applications Manager > Patch Wizard > Task “Recommend/Analyze Patches” The screenshot above shows the impact summary. For this blog entry the number “2” titled “Flagged Files Changed“ is in our focus. When you click the “2” you will get a similar screen like the first in this blog, showing you exactly the files which will get patched if you continue and apply this patch in this environment right now. Note: It is also shown that just 20% of all patch files will get applied. This situation might be different in case your environments are on a different patch level. For sure also the customization impact might then be different. The flagging step can be done directly in the Oracle Applications Manager.  Our developers are responsible for. To transport such a flag+comment we use a FNDLOAD script. It is suggested to put the flagged files data file directly into your CEMLI patch. Herewith the flagged files registration will be executed right at the same time when the patch gets applied. Process Steps: Developer: Builds CEMLI Reviews code and identifies key standard objects referenced Determines standard object files and flags them Creates FNDLOAD file and adds the same to the CEMLI patch DBA: Executes for every new Oracle standard patch the patch analyse in a representative environment Checks and retrieves the flagged files and comments Sends flagged file list back to development team for analyse / retest Developer: Analyses / Updates / Retests effected CEMLIs Prerequisite: The patch analyse has to be executed in an environment where flagged files have been registered. (If you run the patch analyse in a vanilla or outdated environment (compared to your PROD), the analyse will not be so helpful!) When to start with Flagged files? Start right now utilizing this feature. It is an invest to improve the production stability and fulfil your SLA!   Summary Flagged Files is a very helpful EBS R12 technique when analysing patches. Implement a procedure within your development process to maintain such flags. Let the DBA run the patch analyse in an environment with a similar patch and customization level as your current production.   Related Links: EBS Patching Procedures - Chapter 2-13 - Registered Flagged Files

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• Web Application Integration Steps in OAM 11gR2 (High Level)

  - by Venkata Srikanth

  Install OAM, Webtier (OHS) and WebGate as per the standard installation steps. Create a WebGate instance (i.e deploy WebGate) A WebGate instance must be created that will copy required bits of agent from WEBGATE_HOME to WebGate instance location that shares the same INSTANCE_HOME with OHS ./deployWebGateInstance.sh –w /Oracle/Middleware/Oracle_WT1/instances/instance1/config/ohs1 –oh /Oracle/Middleware/Oracle_OAMWebGate1 Note: Here –w flag indicates OHS instance folder and –oh indicates the WebGate Oracle home Configure WebGate In the webgate configuration the EditHttpdConf utility will copy OUI instantiated apache_webgate.template from WEBGATE_HOME to webgate instance location (renamed to webgate.conf), and update httpd.conf with one additional line to include webgate.conf. export LD_LIBRARY_PATH=$ LD_LIBRARY_PATH:/Oracle/Middleware/Oracle_WT1/lib Navigate to /Oracle/Middleware/Oracle_OAMWebGate1/webgate/ohs/tools/setup/InstallTools ./EditHttpdConf –w /Oracle/Middleware/Oracle_WT1/instances/instace1/config/OHS/ohs1 –oh /Oracle/Middleware/Oracle_OAMWebGate1 –o webgate.conf Register WebGate Use RREG tool to register the OAM 11G WebGate Navigate to /Oracle/Middleware/Oracle_IDM1/oam/server/rreg/input Edit OAM11Grequest.xml. Change the specific xml content to include the weblogic admin URL, agentBaseURL, host identifier etc.. Navigate to /Oracle/Middleware/Oracle_IDM1/oam/server/rreg/bin Set permissions to oamreg.sh à chmod 777 oamreg.sh Edit oamreg.sh and set OAM_REG_HOME=/Oracle/Middleware/Oracle_IDM1/oam/server/rreg ./oamreg.sh inband input/OAM11Grequest.xml Enter the WebLogic admin credentials when prompted. After performing the above steps, there will be two artifcats created under Oracle/Middleware/Oracle_IDM1/oam/server/rreg/output, namely ObAccessClient.xml (Stroing webgate config parameters) and cwallet.sso (storing the agent key). These files must be copied to WebGate instance config folder (/Oracle/Middleware/Oracle_WT1/instances/instance1/config/ohs1/webgate/config) Restart OHS Deploy the web application (myApp) in WebLogic application server Proxy Configuration in OHS The mod_wl_ohs module enables requests to be proxied from Oracle HTTP Server 11g to Oracle WebLogic Server. Navigate to /Oracle/Middleware/Oracle_WT1/instances/instance1/config/OHS/ohs1 Edit mod_wl_ohs.conf file to include the following: <IfModule weblogic_module> WebLogicHost <WEBLOGIC_HOST> WebLogicPort <WEBLOGIC_PORT> # Debug ON # WLLogFile /tmp/weblogic.log MatchExpression *.jsp </IfModule> <Location /myApp> SetHandler weblogic-handler # PathTrim /weblogic # ErrorPage http:/WEBLOGIC_HOME:WEBLOGIC_PORT/ </Location> Note: Here WEBLOGIC_HOST and WEBLOGIC_PORT are the WebLogic admin server host and port respectively Restart OHS. Now if we access the web application URL with OHS host and port (Ex: http://OHS_HOST:<OHS_PORT>/myApp) so that the requests will be proxied to WebLogic server. Create a new application domain Login to OAM Admin Console Navigate to Shared Componentsà Authentication Schemesà Create Authentication Scheme (Ex: LDAP Auth Scheme. Here the scheme is assoicated with LDAP Authentication Module) Navigate to Policy Configuration à Application Domain à Create Application Domain Enter the Application Domain Name and Click Apply. Navigate to Resources tab and add the resource urls (Web Application URLs that needs to be protected) Navigate to Authentication Policy tab à Create a new authentication ploicy by providing the Resource URLs (The sample Web Application URLs) and Authentication Scheme. Navigate to Authorization Policy tab à Create a new authorization policy à Enter authorization policy name and navigate to Resource Tab à Attach the Reource URL, Host Identifiers here. Navigate to Conditions tab à Add the conditions like whom to allow and whom to deny access. Navigate to Rules tab à Crate the Allow Rule and Deny Rule with the available conditions from the previous step so that the Authorization Policy may authorize the logins. Navigate to Resources tab and attach the Authentication and Authorization plocies created in the above steps. Test the Web Application Integration.

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• How to Open Any Folder as a Project in the NetBeans Platform

  - by Geertjan

  Typically, as described in the NetBeans Project Type Tutorial, you'll define a project type based on the presence of a file (e.g., "project.xml" or "customer.txt" or something like that) in a folder. I.e., if the file is there, then its parent, i.e., the folder that contains the file, is a project and should be opened in your application. However, in some scenarios (as with the HTML5 project type introduced in NetBeans IDE 7.3), the user should be able to open absolutely any folder at all into the application. How to create a project type that is that liberal? Here you go, the only condition that needs to be true is that the selected item in the "Open Project" dialog is a folder, as defined in the "isProject" method below. Nothing else. That's it. If you select a folder, it will be opened in your application, displaying absolutely everything as-is (since below there's no ProjectLogicalView defined): import java.beans.PropertyChangeListener; import java.io.IOException; import javax.swing.Icon; import org.netbeans.api.project.Project; import org.netbeans.api.project.ProjectInformation; import org.netbeans.spi.project.ProjectFactory; import org.netbeans.spi.project.ProjectState; import org.openide.filesystems.FileObject; import org.openide.loaders.DataFolder; import org.openide.loaders.DataObjectNotFoundException; import org.openide.nodes.FilterNode; import org.openide.util.Exceptions; import org.openide.util.ImageUtilities; import org.openide.util.Lookup; import org.openide.util.lookup.Lookups; import org.openide.util.lookup.ServiceProvider; @ServiceProvider(service = ProjectFactory.class) public class FolderProjectFactory implements ProjectFactory { @Override public boolean isProject(FileObject projectDirectory) { return DataFolder.findFolder(projectDirectory) != null; } @Override public Project loadProject(FileObject dir, ProjectState state) throws IOException { return isProject(dir) ? new FolderProject(dir) : null; } @Override public void saveProject(Project prjct) throws IOException, ClassCastException { // leave unimplemented for the moment } private class FolderProject implements Project { private final FileObject projectDir; private Lookup lkp; private FolderProject(FileObject dir) { this.projectDir = dir; } @Override public FileObject getProjectDirectory() { return projectDir; } @Override public Lookup getLookup() { if (lkp == null) { lkp = Lookups.fixed(new Object[]{ new Info(), }); } return lkp; } private final class Info implements ProjectInformation { @Override public Icon getIcon() { Icon icon = null; try { icon = ImageUtilities.image2Icon( new FilterNode(DataFolder.find( getProjectDirectory()).getNodeDelegate()).getIcon(1)); } catch (DataObjectNotFoundException ex) { Exceptions.printStackTrace(ex); } return icon; } @Override public String getName() { return getProjectDirectory().getName(); } @Override public String getDisplayName() { return getName(); } @Override public void addPropertyChangeListener(PropertyChangeListener pcl) { //do nothing, won't change } @Override public void removePropertyChangeListener(PropertyChangeListener pcl) { //do nothing, won't change } @Override public Project getProject() { return FolderProject.this; } } } } Even the ProjectInformation implementation really isn't needed at all, since it provides nothing more than the icon in the "Open Project" dialog, the rest (i.e., the display name in the "Open Project" dialog) is provided by default regardless of whether you have a ProjectInformation implementation or not.

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• How to Create SharePoint List and Insert List Item programmatically from a Windows Forms Application.

  - by Michael M. Bangoy

  In this post I’m going to demonstrate how to create SharePoint List and also Insert Items on the List from a Windows Forms Application. 1. Open Visual Studio and create a new project. On the project template select Windows Form Application under C#. 2. In order to communicate with Sharepoint from a Windows Forms Application we need to add the 2 Sharepoint Client DLL located in c:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\14\ISAPI.  3. Select the Microsoft.Sharepoint.Client.dll and Microsoft.Sharepoint.Client.Runtime.dll. (Your solution should look like the one below) 4. Open the Form1 in design view and from the Toolbox menu add a button on the form surface. Your form should look like the one below. 5. Double click the button to open the code view. Add Using statement to reference the Sharepoint Client Library then create method for the Create List. Your code should like the codes below. using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Security; using System.Windows.Forms; using SP = Microsoft.SharePoint.Client; namespace ClientObjectModel {     public partial class Form1 : Form     {         // url of the Sharepoint site         const string _context = "urlofthesharepointsite";         public Form1()         {             InitializeComponent();         }         private void Form1_Load(object sender, EventArgs e)         {                    }         private void cmdcreate_Click(object sender, EventArgs e)         {             try             {                 // declare the ClientContext Object                 SP.ClientContext _clientcontext = new SP.ClientContext(_context);                 SP.Web _site = _clientcontext.Web;                 // declare a ListCreationInfo                 SP.ListCreationInformation _listcreationinfo = new SP.ListCreationInformation();                 // set the Title and the Template of the List to be created                 _listcreationinfo.Title = "NewListFromCOM";                 _listcreationinfo.TemplateType = (int)SP.ListTemplateType.GenericList;                 // Call the add method to the ListCreatedInfo                 SP.List _list = _site.Lists.Add(_listcreationinfo);                 // Add Description field to the List                 SP.Field _Description = _list.Fields.AddFieldAsXml(@"                                     <Field Type='Text'                                         DisplayName='Description'>                                     </Field>", true, SP.AddFieldOptions.AddToDefaultContentType);                 // declare the List item Creation object for creating List Item                 SP.ListItemCreationInformation _itemcreationinfo = new SP.ListItemCreationInformation();                 // call the additem method of the list to insert a new List Item                 SP.ListItem _item = _list.AddItem(_itemcreationinfo);                 _item["Title"] = "New Item from Client Object Model";                 _item["Description"] = "This item was added by a Windows Forms Application";                 // call the update method                 _item.Update();                 // execute the query of the clientcontext                 _clientcontext.ExecuteQuery();                 // dispose the clientcontext                 _clientcontext.Dispose();                 MessageBox.Show("List Creation Successfull");             }             catch(Exception ex)             {                 MessageBox.Show("Error creating list" + ex.ToString());             }          }     } } 6. Hit F5 to run the application. A message will be displayed on the screen if the operation is successful and also if it fails. 7. To make that the operation of our Windows Form Application has really created the List and Inserted an item on it. Let’s open our SharePoint site. Once the SharePoint is open click on the Site Actions then View All Site Content. 7. Click the List to open it and check if an Item is inserted. That’s it. Hope this helps.

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• Animation Trouble with Java Swing Timer - Also, JFrame Will Not Exit_On_Close

  - by forgotton_semicolon

  So, I am using a Java Swing Timer because putting the animation code in a run() method of a Thread subclass caused an insane amount of flickering that is really a terrible experience for any video game player. Can anyone give me any tips on: Why there is no animation... Why the JFrame will not close when it is coded to Exit_On_Close 2 times My code is here: import java.awt.; import java.awt.event.; import javax.swing.*; import java.net.URL; //////////////////////////////////////////////////////////////// TFQ public class TFQ extends JFrame { DrawingsInSpace dis; //========================================================== constructor public TFQ() { dis = new DrawingsInSpace(); JPanel content = new JPanel(); content.setLayout(new FlowLayout()); this.setContentPane(dis); this.setDefaultCloseOperation(EXIT_ON_CLOSE); this.setTitle("Plasma_Orbs_Off_Orion"); this.setSize(500,500); this.pack(); //... Create timer which calls action listener every second.. // Use full package qualification for javax.swing.Timer // to avoid potential conflicts with java.util.Timer. javax.swing.Timer t = new javax.swing.Timer(500, new TimePhaseListener()); t.start(); } /////////////////////////////////////////////// inner class Listener thing class TimePhaseListener implements ActionListener, KeyListener { // counter int total; // loop control boolean Its_a_go = true; //position of our matrix int tf = -400; //sprite directions int Sprite_Direction; final int RIGHT = 1; final int LEFT = 2; //for obstacle Rectangle mega_obstacle = new Rectangle(200, 0, 20, HEIGHT); public void actionPerformed(ActionEvent e) { //... Whenever this is called, repaint the screen dis.repaint(); addKeyListener(this); while (Its_a_go) { try { dis.repaint(); if(Sprite_Direction == RIGHT) { dis.matrix.x += 2; } // end if i think if(Sprite_Direction == LEFT) { dis.matrix.x -= 2; } } catch(Exception ex) { System.out.println(ex); } } // end while i think } // end actionPerformed @Override public void keyPressed(KeyEvent arg0) { // TODO Auto-generated method stub } @Override public void keyReleased(KeyEvent arg0) { // TODO Auto-generated method stub } @Override public void keyTyped(KeyEvent event) { // TODO Auto-generated method stub if (event.getKeyChar()=='f'){ Sprite_Direction = RIGHT; System.out.println("matrix should be animating now "); System.out.println("current matrix position = " + dis.matrix.x); } if (event.getKeyChar()=='d') { Sprite_Direction = LEFT; System.out.println("matrix should be going in reverse"); System.out.println("current matrix position = " + dis.matrix.x); } } } //================================================================= main public static void main(String[] args) { JFrame SafetyPins = new TFQ(); SafetyPins.setVisible(true); SafetyPins.setSize(500,500); SafetyPins.setResizable(true); SafetyPins.setLocationRelativeTo(null); SafetyPins.setDefaultCloseOperation(EXIT_ON_CLOSE); } } class DrawingsInSpace extends JPanel { URL url1_plasma_orbs; URL url2_matrix; Image img1_plasma_orbs; Image img2_matrix; // for the plasma_orbs Rectangle bbb = new Rectangle(0,0, 0, 0); // for the matrix Rectangle matrix = new Rectangle(-400, 60, 430, 200); public DrawingsInSpace() { //load URLs try { url1_plasma_orbs = this.getClass().getResource("plasma_orbs.png"); url2_matrix = this.getClass().getResource("matrix.png"); } catch(Exception e) { System.out.println(e); } // attach the URLs to the images img1_plasma_orbs = Toolkit.getDefaultToolkit().getImage(url1_plasma_orbs); img2_matrix = Toolkit.getDefaultToolkit().getImage(url2_matrix); } public void paintComponent(Graphics g) { super.paintComponent(g); // draw the plasma_orbs g.drawImage(img1_plasma_orbs, bbb.x, bbb.y,this); //draw the matrix g.drawImage(img2_matrix, matrix.x, matrix.y, this); } } // end class enter code here

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• Non-blocking I/O using Servlet 3.1: Scalable applications using Java EE 7 (TOTD #188)

  - by arungupta

  Servlet 3.0 allowed asynchronous request processing but only traditional I/O was permitted. This can restrict scalability of your applications. In a typical application, ServletInputStream is read in a while loop. public class TestServlet extends HttpServlet {    protected void doGet(HttpServletRequest request, HttpServletResponse response)         throws IOException, ServletException {     ServletInputStream input = request.getInputStream();       byte[] b = new byte[1024];       int len = -1;       while ((len = input.read(b)) != -1) {          . . .        }   }} If the incoming data is blocking or streamed slower than the server can read then the server thread is waiting for that data. The same can happen if the data is written to ServletOutputStream. This is resolved in Servet 3.1 (JSR 340, to be released as part Java EE 7) by adding event listeners - ReadListener and WriteListener interfaces. These are then registered using ServletInputStream.setReadListener and ServletOutputStream.setWriteListener. The listeners have callback methods that are invoked when the content is available to be read or can be written without blocking. The updated doGet in our case will look like: AsyncContext context = request.startAsync();ServletInputStream input = request.getInputStream();input.setReadListener(new MyReadListener(input, context)); Invoking setXXXListener methods indicate that non-blocking I/O is used instead of the traditional I/O. At most one ReadListener can be registered on ServletIntputStream and similarly at most one WriteListener can be registered on ServletOutputStream. ServletInputStream.isReady and ServletInputStream.isFinished are new methods to check the status of non-blocking I/O read. ServletOutputStream.canWrite is a new method to check if data can be written without blocking.  MyReadListener implementation looks like: @Overridepublic void onDataAvailable() { try { StringBuilder sb = new StringBuilder(); int len = -1; byte b[] = new byte[1024]; while (input.isReady() && (len = input.read(b)) != -1) { String data = new String(b, 0, len); System.out.println("--> " + data); } } catch (IOException ex) { Logger.getLogger(MyReadListener.class.getName()).log(Level.SEVERE, null, ex); }}@Overridepublic void onAllDataRead() { System.out.println("onAllDataRead"); context.complete();}@Overridepublic void onError(Throwable t) { t.printStackTrace(); context.complete();} This implementation has three callbacks: onDataAvailable callback method is called whenever data can be read without blocking onAllDataRead callback method is invoked data for the current request is completely read. onError callback is invoked if there is an error processing the request. Notice, context.complete() is called in onAllDataRead and onError to signal the completion of data read. For now, the first chunk of available data need to be read in the doGet or service method of the Servlet. Rest of the data can be read in a non-blocking way using ReadListener after that. This is going to get cleaned up where all data read can happen in ReadListener only. The sample explained above can be downloaded from here and works with GlassFish 4.0 build 64 and onwards. The slides and a complete re-run of What's new in Servlet 3.1: An Overview session at JavaOne is available here. Here are some more references for you: Java EE 7 Specification Status Servlet Specification Project JSR Expert Group Discussion Archive Servlet 3.1 Javadocs

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• Using data input from pop-up page to current with partial refresh

  - by dpDesignz

  I'm building a product editor webpage using visual C#. I've got an image uploader popping up using fancybox, and I need to get the info from my fancybox once submitted to go back to the first page without clearing any info. I know I need to use ajax but how would I do it? <%@ Page Language="C#" AutoEventWireup="true" CodeFile="uploader.aspx.cs" Inherits="uploader" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head id="Head1" runat="server"> <title></title> </head> <body style="width:350px; height:70px;"> <form id="form1" runat="server"> <asp:ScriptManager ID="ScriptManager1" runat="server"> </asp:ScriptManager> <div> <div style="width:312px; height:20px; background-color:Gray; color:White; padding-left:8px; margin-bottom:4px; text-transform:uppercase; font-weight:bold;">Uploader</div> <asp:FileUpload id="fileUp" runat="server" /> <asp:Button runat="server" id="UploadButton" text="Upload" onclick="UploadButton_Click" /> <br /><asp:Label ID="txtFile" runat="server"></asp:Label> <div style="width:312px; height:15px; background-color:#CCCCCC; color:#4d4d4d; padding-right:8px; margin-top:4px; text-align:right; font-size:x-small;">Click upload to insert your image into your product</div> </div> </form> </body> </html> CS so far using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.Configuration; // Add to page using System.Web.UI; using System.Web.UI.WebControls; using System.Data; // Add to the page using System.Data.SqlClient; // Add to the page using System.Text; // Add to Page public partial class uploader : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { } protected void UploadButton_Click(object sender, EventArgs e) { if (fileUp.HasFile) try { fileUp.SaveAs("\\\\london\\users\\DP006\\Websites\\images\\" + fileUp.FileName); string imagePath = fileUp.PostedFile.FileName; } catch (Exception ex) { txtFile.Text = "ERROR: " + ex.Message.ToString(); } finally { } else { txtFile.Text = "You have not specified a file."; } } }

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• Serializing object with no namespaces using DataContractSerializer

  - by Yurik

  How do I remove XML namespaces from an object's XML representation serialized using DataContractSerializer? That object needs to be serialized to a very simple output XML. Latest & greatest - using .Net 4 beta 2 The object will never need to be deserialized. XML should not have any xmlns:... namespace refs Any subtypes of Exception and ISubObject need to be supported. It will be very difficult to change the original object. Object: [Serializable] class MyObj { string str; Exception ex; ISubObject subobj; } Need to serialize into: <xml> <str>...</str> <ex i:nil="true" /> <subobj i:type="Abc"> <AbcProp1>...</AbcProp1> <AbcProp2>...</AbcProp2> </subobj> </xml> I used this code: private static string ObjectToXmlString(object obj) { if (obj == null) throw new ArgumentNullException("obj"); var serializer = new DataContractSerializer( obj.GetType(), null, Int32.MaxValue, false, false, null, new AllowAllContractResolver()); var sb = new StringBuilder(); using (var xw = XmlWriter.Create(sb, new XmlWriterSettings { OmitXmlDeclaration = true, NamespaceHandling = NamespaceHandling.OmitDuplicates, Indent = true })) { serializer.WriteObject(xw, obj); xw.Flush(); return sb.ToString(); } } From this article I adopted a DataContractResolver so that no subtypes have to be declared: public class AllowAllContractResolver : DataContractResolver { public override bool TryResolveType(Type dataContractType, Type declaredType, DataContractResolver knownTypeResolver, out XmlDictionaryString typeName, out XmlDictionaryString typeNamespace) { if (!knownTypeResolver.TryResolveType(dataContractType, declaredType, null, out typeName, out typeNamespace)) { var dictionary = new XmlDictionary(); typeName = dictionary.Add(dataContractType.FullName); typeNamespace = dictionary.Add(dataContractType.Assembly.FullName); } return true; } public override Type ResolveName(string typeName, string typeNamespace, Type declaredType, DataContractResolver knownTypeResolver) { return knownTypeResolver.ResolveName(typeName, typeNamespace, declaredType, null) ?? Type.GetType(typeName + ", " + typeNamespace); } }

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• OutputStream is not available when a custom TextWriter is used.

  - by Pinu

  this is my function which converts pdf to png image, it's throwing an error on this line-- stream.WriteTo(Response.OutputStream); Is there some thing wrong?? protected void CreatePngFromPdf() { try { string PDFLocation = string.Format(@"\\XXXX\{0}\{1}\{2}.pdf", Yr, Loc.Substring(0, 4), Loc.Substring(4, 4)); Utilities.WebPDF.PDF WebPDF = new DocuvaultMVC.Utilities.WebPDF.PDF(); WebPDF.Credentials = new NetworkCredential(@"xyz", "xyz"); byte[] png = WebPDF.StreamPdfPageAsPngResize(PDFLocation,PageNumber, 612, 792); MemoryStream ms = new MemoryStream(png); MemoryStream stream = new MemoryStream(); int newWidth = 612; int newHeight = 792; System.Drawing.Image newImg = System.Drawing.Image.FromStream(ms); Bitmap temp = new Bitmap(newWidth, newHeight, newImg.PixelFormat); Graphics newImage = Graphics.FromImage(temp); newImage.DrawImage(newImg, 0, 0, newWidth, newHeight); newImg.Dispose(); temp.Save(stream, ImageFormat.Png); stream.WriteTo(Response.OutputStream); temp.Dispose(); stream.Dispose(); } catch (Exception ex) { Response.Write(ex.Message.ToString()); } }

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• Detect user logout / shutdown in Python / GTK under Linux

  - by Ivo Wetzel

  OK this is presumably a hard one, I've got an pyGTK application that has random crashes due to X Window errors that I can't catch/control. So I created a wrapper that restarts the app as soon as it detects a crash, now comes the problem, when the user logs out or shuts down the system, the app exits with status 1. But on some X errors it does so too. So I tried literally anything to catch the shutdown/logout, with no success, here's what I've tried: import pygtk import gtk import sys class Test(gtk.Window): def delete_event(self, widget, event, data=None): open("delete_event", "wb") def destroy_event(self, widget, data=None): open("destroy_event", "wb") def destroy_event2(self, widget, event, data=None): open("destroy_event2", "wb") def __init__(self): gtk.Window.__init__(self, gtk.WINDOW_TOPLEVEL) self.show() self.connect("delete_event", self.delete_event) self.connect("destroy", self.destroy_event) self.connect("destroy-event", self.destroy_event2) def foo(): open("add_event", "wb") def ex(): open("sys_event", "wb") from signal import * def clean(sig): f = open("sig_event", "wb") f.write(str(sig)) f.close() exit(0) for sig in (SIGABRT, SIGILL, SIGINT, SIGSEGV, SIGTERM): signal(sig, lambda *args: clean(sig)) def at(): open("at_event", "wb") import atexit atexit.register(at) f = Test() sys.exitfunc = ex gtk.quit_add(gtk.main_level(), foo) gtk.main() open("exit_event", "wb") Not one of these succeeds, is there any low level way to detect the system shutdown? Google didn't find anything related to that. I guess there must be a way, am I right? :/

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• Application pool crashing regularly (8007006d) (Service Unavailable)

  - by Phil

  I have a basic web form site running. Nothing out of the ordinary. It is frequently crashing the application pool. The error code I got from the logs is '8007006d'. Googling this does not come up with the usual bevy of results.... I do get a few people with a similar problem. Any the advise seems to be that the error is related to registry permissions. Can anyone confirm / disconfirm this theory. That if I get error 8007006d it is definately a reg permissions problem? Here is the code from my page. I'm not seeing anything that would cause a memory leak or make this happen. It is basically just one big insert command with many parameters? Imports System.Web.Configuration Imports System.Data.SqlClient Imports System.Net.Mail Imports System.IO Imports System.Globalization Partial Class _Default Inherits System.Web.UI.Page Public Sub WriteError(ByVal errorMessage As String) Try Dim path As String = "~/Error/" & DateTime.Today.ToString("dd-mm-yy") & ".txt" If (Not File.Exists(System.Web.HttpContext.Current.Server.MapPath(path))) Then File.Create(System.Web.HttpContext.Current.Server.MapPath(path)).Close() End If Using w As StreamWriter = File.AppendText(System.Web.HttpContext.Current.Server.MapPath(path)) w.WriteLine(Constants.vbCrLf & "Log Entry : ") w.WriteLine("{0}", DateTime.Now.ToString(CultureInfo.InvariantCulture)) Dim err As String = "Error in: " & System.Web.HttpContext.Current.Request.Url.ToString() & ". Error Message:" & errorMessage w.WriteLine(err) w.WriteLine("__________________________") w.Flush() w.Close() End Using Catch ex As Exception WriteError(ex.Message) End Try End Sub Protected Sub Page_PreLoad(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.PreLoad otherlanguagespecify.Text = "Language: Speaking: Reading: Writing:" 'Show / hide 'other' panels ProvincePanel.Visible = False If Province.SelectedValue = "Other" Then ProvincePanel.Visible = True End If languagespanel.Visible = False If OtherLanguage.Checked Then languagespanel.Visible = True End If End Sub Protected Sub Submit_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Submit.Click Dim areasexpertise As String = String.Empty Dim areasli As ListItem Dim english As String = String.Empty Dim connstring As String = WebConfigurationManager.ConnectionStrings("Str").ToString() Dim c As SqlConnection = New SqlConnection(connstring) Dim s As String = ("INSERT INTO [MBA_EOI]") & _ ("([subdate],[surname], [name], [dob], [nationality], [postaladdress],") & _ ("[province],[city], [postcode], [worktelephone],") & _ ("[hometelephone], [mobile], [email],[fax], [institution1],") & _ ("[institution2], [institution3], [institution4], [institutiondate1], [institutiondate2],") & _ ("[institutiondate3], [institutiondate4],[institutionquals1], [institutionquals2], [institutionquals3],") & _ ("[institutionquals4],[profdates1], [profdates2],") & _ ("[profdates3], [profdates4], [profdates5], [profdates6], [profdates7], ") & _ ("[profloc1], [profloc2], [profloc3], [profloc4], [profloc5],") & _ ("[profloc6], [profloc7], [profcomp1], [profcomp2], [profcomp3],") & _ ("[profcomp4], [profcomp5], [profcomp6], [profcomp7], [profpos1],") & _ ("[profpos2], [profpos3], [profpos4], [profpos5], [profpos6],") & _ ("[profpos7], [profdesc1], [profdesc2], [profdesc3], [profdesc4],") & _ ("[profdesc5],[profdesc6],[profdesc7], [company1], [company2],") & _ ("[company3], [company4], [company5], [nature1], [nature2],") & _ ("[nature3], [nature4], [nature5], [workdate1], [workdate2],") & _ ("[workdate3], [workdate4], [workdate5], [contactname1], [contactname2],") & _ ("[contactname3], [contactname4], [contactname5], [wtelephone1], [wtelephone2],") & _ ("[wtelephone3],[wtelephone4], [wtelephone5], [philosophy], [publications],") & _ ("[english], [otherlanguage], [areasofexpertise], [otherareasofexpertise],") & _ ("[assessortrue], [coordinatortrue], [facilitatortrue], [moderatortrue], [productdevelopertrue],") & _ ("[projectmanagertrue], [assessorexp], [coordinatorexp], [facilitatorexp], [moderatorexp],") & _ ("[productdeveloperexp], [projectmanagerexp], [assessorlvl], [coordinatorlvl], [facilitatorlvl],") & _ ("[moderatorlvl], [productdeveloperlvl], [projectmanagerlvl], [assessorpref], [coordinatorpref],") & _ ("[FacilitatorPref], [ModeratorPref], [ProductDeveloperPref], [ProjectManagerPref], [designation], [professortrue],") & _ ("[professorlvl], [professorexp], [professorpref], [lecturertrue], [lecturerpref], [lecturerlvl], [lecturerexp], [affiliations], [educationmore], ") & _ ("[wemail1], [wemail2], [wemail3], [wemail4], [wemail5])") & _ ("VALUES") & _ ("(@subdate, @surname, @name, @dob, @nationality, @postaladdress,") & _ ("@province,@city, @postcode, @worktelephone,") & _ ("@hometelephone, @mobile, @email, @fax, @inst1,") & _ ("@inst2, @inst3, @inst4, @instdate1, @instdate2,") & _ ("@instdate3, @instdate4, @instquals1, @instquals2, @instquals3,") & _ ("@instquals4, @profdates1, @profdates2,") & _ ("@profdates3, @profdates4, @profdates5, @profdates6, @profdates7,") & _ ("@profloc1, @profloc2, @profloc3, @profloc4, @profloc5,") & _ ("@profloc6, @profloc7, @profcomp1, @profcomp2, @profcomp3,") & _ ("@profcomp4, @profcomp5, @profcomp6, @profcomp7, @profpos1,") & _ ("@profpos1, @profpos1, @profpos4, @profpos5, @profpos6,") & _ ("@profpos7, @profdesc1, @profdesc2, @profdesc3, @profdesc4,") & _ ("@profdesc5, @profdesc6, @profdesc7, @company1, @company2,") & _ ("@company3, @company4, @company5,@nature1, @nature2,") & _ ("@nature3, @nature4, @nature5, @workdate1, @workdate2,") & _ ("@workdate3, @workdate4, @workdate5, @contactname1, @contactname2,") & _ ("@contactname3, @contactname4, @contactname5, @wtelephone1, @wtelephone2,") & _ ("@wtelephone3,@wtelephone4, @wtelephone5, @philosophy, @publications,") & _ ("@english, @otherlanguage, @areasofexpertise, @otherareasofexpertise,") & _ ("@assessor, @coordinator, @facilitator, @moderator, @productdeveloper,") & _ ("@projectmanager, @assessorexp, @coordinatorexp, @facilitatorexp, @moderatorexp,") & _ ("@productdeveloperexp, @projectmanagerexp, @assessorlvl, @coordinatorlvl, @facilitatorlvl,") & _ ("@moderatorlvl, @productdeveloperlvl, @projectmanagerlvl, @assessorpref, @coordinatorpref,") & _ ("@facilitatorpref, @moderatorpref, @productdeveloperpref, @projectmanagerpref, @designation, @professor, @professorlvl, @professorexp, @professorpref,") & _ ("@lecturer, @lecturerpref, @lecturerlvl, @lecturerexp, @affiliations, @educationmore, ") & _ ("@wemail1, @wemail2, @wemail3, @wemail4, @wemail5)") 'Setup birthday Dim birthdaystring As String = MonthBirth.SelectedValue.ToString & "/" & DayBirth.SelectedValue.ToString & "/" & YearBirth.SelectedValue.ToString Dim birthday As DateTime = Convert.ToDateTime(birthdaystring) Try Dim x As New SqlCommand(s, c) x.Parameters.AddWithValue("@subdate", DateTime.Now()) x.Parameters.AddWithValue("@surname", Surname.Text) x.Parameters.AddWithValue("@name", Name.Text) x.Parameters.AddWithValue("@dob", birthday) x.Parameters.AddWithValue("@nationality", Nationality.Text) x.Parameters.AddWithValue("@postaladdress", Postaladdress.Text) x.Parameters.AddWithValue("@designation", Designation.SelectedItem.ToString) 'to control whether or not 'other' province is selected If Province.SelectedValue = "Other" Then x.Parameters.AddWithValue("@province", Otherprovince.Text) Else x.Parameters.AddWithValue("@province", Province.SelectedValue.ToString) End If x.Parameters.AddWithValue("@city", City.Text) x.Parameters.AddWithValue("@postcode", Postcode.Text) x.Parameters.AddWithValue("@worktelephone", Worktelephone.Text) x.Parameters.AddWithValue("@hometelephone", Hometelephone.Text) x.Parameters.AddWithValue("@mobile", Mobile.Text) x.Parameters.AddWithValue("@email", Email.Text) x.Parameters.AddWithValue("@fax", Fax.Text) 'Add education params to x command x.Parameters.AddWithValue("@inst1", Institution1.Text) x.Parameters.AddWithValue("@inst2", Institution2.Text) x.Parameters.AddWithValue("@inst3", Institution3.Text) x.Parameters.AddWithValue("@inst4", Institution4.Text) x.Parameters.AddWithValue("@instdate1", Institutiondates1.Text) x.Parameters.AddWithValue("@instdate2", Institutiondates2.Text) x.Parameters.AddWithValue("@instdate3", Institutiondates3.Text) x.Parameters.AddWithValue("@instdate4", Institutiondates4.Text) x.Parameters.AddWithValue("@instquals1", Institution1quals.Text) x.Parameters.AddWithValue("@instquals2", Institution2quals.Text) x.Parameters.AddWithValue("@instquals3", Institution3quals.Text) x.Parameters.AddWithValue("@instquals4", Institution4quals.Text) 'Add checkbox params to x command Dim eli As ListItem For Each eli In EnglishSkills.Items If eli.Selected Then english += eli.Text + " | " End If Next x.Parameters.AddWithValue("@english", english) For Each areasli In Expertiselist.Items If areasli.Selected Then areasexpertise += " ; " & areasli.Text End If Next x.Parameters.AddWithValue("@areasofexpertise", areasexpertise) If OtherLanguage.Checked.ToString Then x.Parameters.AddWithValue("@otherlanguage", otherlanguagespecify.Text) Else x.Parameters.AddWithValue("@otherlanguage", DBNull.Value) End If 'Add competencies params to x command x.Parameters.AddWithValue("@assessor", AssessorTrue.Checked) x.Parameters.AddWithValue("@coordinator", CoordinatorTrue.Checked) x.Parameters.AddWithValue("@facilitator", FacilitatorTrue.Checked) x.Parameters.AddWithValue("@moderator", ModeratorTrue.Checked) x.Parameters.AddWithValue("@productdeveloper", ProductDeveloperTrue.Checked) x.Parameters.AddWithValue("@projectmanager", ProjectManagerTrue.Checked) x.Parameters.AddWithValue("@assessorexp", Assessorexp.Text) x.Parameters.AddWithValue("@coordinatorexp", coordinatorexp.Text) x.Parameters.AddWithValue("@facilitatorexp", facilitatorexp.Text) x.Parameters.AddWithValue("@moderatorexp", moderatorexp.Text) x.Parameters.AddWithValue("@productdeveloperexp", productdeveloperexp.Text) x.Parameters.AddWithValue("@projectmanagerexp", projectmanagerexp.Text) x.Parameters.AddWithValue("@assessorlvl", Assessorlevel.Text) x.Parameters.AddWithValue("@coordinatorlvl", Coordinatorlevel.Text) x.Parameters.AddWithValue("@facilitatorlvl", Facilitatorlevel.Text) x.Parameters.AddWithValue("@moderatorlvl", Moderatorlevel.Text) x.Parameters.AddWithValue("@productdeveloperlvl", Productdeveloperlevel.Text) x.Parameters.AddWithValue("@projectmanagerlvl", Projectmanagerlevel.Text) x.Parameters.AddWithValue("@assessorpref", AssessorPref.Text) x.Parameters.AddWithValue("@coordinatorpref", CoordinatorPref.Checked) x.Parameters.AddWithValue("@facilitatorpref", FacilitatorPref.Checked) x.Parameters.AddWithValue("@moderatorpref", ModeratorPref.Checked) x.Parameters.AddWithValue("@productdeveloperpref", ProductDeveloperPref.Checked) x.Parameters.AddWithValue("@projectmanagerpref", ProjectManagerPref.Checked) x.Parameters.AddWithValue("@professorpref", ProfessorPref.Checked) x.Parameters.AddWithValue("@professorlvl", Professorlevel.Text) x.Parameters.AddWithValue("@professor", ProfessorTrue.Checked) x.Parameters.AddWithValue("@professorexp", professorexp.Text) x.Parameters.AddWithValue("@lecturerpref", LecturerPref.Checked) x.Parameters.AddWithValue("@lecturerlvl", Lecturerlevel.Text) x.Parameters.AddWithValue("@lecturer", LecturerTrue.Checked) x.Parameters.AddWithValue("@lecturerexp", lecturerexp.Text) 'Add professional experience params to x command x.Parameters.AddWithValue("@profdates1", ProfDates1.Text) x.Parameters.AddWithValue("@profdates2", ProfDates2.Text) x.Parameters.AddWithValue("@profdates3", ProfDates3.Text) x.Parameters.AddWithValue("@profdates4", ProfDates4.Text) x.Parameters.AddWithValue("@profdates5", ProfDates5.Text) x.Parameters.AddWithValue("@profdates6", ProfDates6.Text) x.Parameters.AddWithValue("@profdates7", ProfDates7.Text) x.Parameters.AddWithValue("@profloc1", ProfDates1.Text) x.Parameters.AddWithValue("@profloc2", ProfDates2.Text) x.Parameters.AddWithValue("@profloc3", ProfDates3.Text) x.Parameters.AddWithValue("@profloc4", ProfDates4.Text) x.Parameters.AddWithValue("@profloc5", ProfDates5.Text) x.Parameters.AddWithValue("@profloc6", ProfDates6.Text) x.Parameters.AddWithValue("@profloc7", ProfDates7.Text) x.Parameters.AddWithValue("@profcomp1", ProfCompany1.Text) x.Parameters.AddWithValue("@profcomp2", ProfCompany2.Text) x.Parameters.AddWithValue("@profcomp3", ProfCompany3.Text) x.Parameters.AddWithValue("@profcomp4", ProfCompany4.Text) x.Parameters.AddWithValue("@profcomp5", ProfCompany5.Text) x.Parameters.AddWithValue("@profcomp6", ProfCompany6.Text) x.Parameters.AddWithValue("@profcomp7", ProfCompany7.Text) x.Parameters.AddWithValue("@profpos1", Profpos1.Text) x.Parameters.AddWithValue("@profpos2", Profpos2.Text) x.Parameters.AddWithValue("@profpos3", Profpos3.Text) x.Parameters.AddWithValue("@profpos4", Profpos4.Text) x.Parameters.AddWithValue("@profpos5", Profpos5.Text) x.Parameters.AddWithValue("@profpos6", Profpos6.Text) x.Parameters.AddWithValue("@profpos7", Profpos7.Text) x.Parameters.AddWithValue("@profdesc1", ProfDesc1.Text) x.Parameters.AddWithValue("@profdesc2", ProfDesc2.Text) x.Parameters.AddWithValue("@profdesc3", ProfDesc2.Text) x.Parameters.AddWithValue("@profdesc4", ProfDesc4.Text) x.Parameters.AddWithValue("@profdesc5", ProfDesc5.Text) x.Parameters.AddWithValue("@profdesc6", ProfDesc6.Text) x.Parameters.AddWithValue("@profdesc7", ProfDesc7.Text) 'Add references parameters to x command x.Parameters.AddWithValue("@company1", company1.Text) x.Parameters.AddWithValue("@company2", company2.Text) x.Parameters.AddWithValue("@company3", company3.Text) x.Parameters.AddWithValue("@company4", company4.Text) x.Parameters.AddWithValue("@company5", company5.Text) x.Parameters.AddWithValue("@nature1", natureofwork1.Text) x.Parameters.AddWithValue("@nature2", natureofwork2.Text) x.Parameters.AddWithValue("@nature3", natureofwork3.Text) x.Parameters.AddWithValue("@nature4", natureofwork4.Text) x.Parameters.AddWithValue("@nature5", natureofwork5.Text) x.Parameters.AddWithValue("@workdate1", workdate1.Text) x.Parameters.AddWithValue("@workdate2", workdate2.Text) x.Parameters.AddWithValue("@workdate3", workdate3.Text) x.Parameters.AddWithValue("@workdate4", workdate4.Text) x.Parameters.AddWithValue("@workdate5", workdate5.Text) x.Parameters.AddWithValue("@contactname1", ContactName1.Text) x.Parameters.AddWithValue("@contactname2", ContactName2.Text) x.Parameters.AddWithValue("@contactname3", ContactName3.Text) x.Parameters.AddWithValue("@contactname4", ContactName4.Text) x.Parameters.AddWithValue("@contactname5", ContactName5.Text) x.Parameters.AddWithValue("@wtelephone1", Telephone1.Text) x.Parameters.AddWithValue("@wtelephone2", Telephone2.Text) x.Parameters.AddWithValue("@wtelephone3", Telephone3.Text) x.Parameters.AddWithValue("@wtelephone4", Telephone4.Text) x.Parameters.AddWithValue("@wtelephone5", Telephone5.Text) x.Parameters.AddWithValue("@wemail1", Email1.Text) x.Parameters.AddWithValue("@wemail2", Email2.Text) x.Parameters.AddWithValue("@wemail3", Email3.Text) x.Parameters.AddWithValue("@wemail4", Email4.Text) x.Parameters.AddWithValue("@wemail5", Email5.Text) 'Add other areas of expertise parameter x.Parameters.AddWithValue("@otherareasofexpertise", Otherareasofexpertise.Text) 'Add philosophy / pubs / affils comands to x command x.Parameters.AddWithValue("@philosophy", learningphilosophy.Text) x.Parameters.AddWithValue("@publications", publicationdetails.Text) x.Parameters.AddWithValue("@affiliations", affiliations.Text) x.Parameters.AddWithValue("@educationmore", educationmore.Text) c.Open() x.ExecuteNonQuery() c.Close() Catch ex As Exception WriteError(ex.ToString) End Try 'If everyone is happy, redirect to thank you page If (Page.IsValid) Then Response.Redirect("Thanks.aspx") End If End Sub End Class

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• webservice CopyIntoItems is not working to upload file to sharepoint

  - by Joeri

  The following piece of C# is always failing with 1 Unknown Object reference not set to an instance of an object Anybody some idea what i am missing? try { //Copy WebService Settings String strUserName = "abc"; String strPassword = "abc"; String strDomain = "SVR03"; String FileName = "Filename.xls"; WebReference.Copy copyService = new WebReference.Copy(); copyService.Url = "http://192.168.11.253/_vti_bin/copy.asmx"; copyService.Credentials = new NetworkCredential (strUserName, strPassword, strDomain); // Filestream of attachment FileStream MyFile = new FileStream(@"C:\temp\28200.xls", FileMode.Open, FileAccess.Read); // Read the attachment in to a variable byte[] Contents = new byte[MyFile.Length]; MyFile.Read(Contents, 0, (int)MyFile.Length); MyFile.Close(); //Change file name if not exist then create new one String[] destinationUrl = { "http://192.168.11.253/Shared Documents/28200.xls" }; // Setup some SharePoint metadata fields WebReference.FieldInformation fieldInfo = new WebReference.FieldInformation(); WebReference.FieldInformation[] ListFields = { fieldInfo }; //Copy the document from Local to SharePoint WebReference.CopyResult[] result; uint NewListId = copyService.CopyIntoItems (FileName, destinationUrl, ListFields, Contents, out result); if (result.Length < 1) Console.WriteLine("Unable to create a document library item"); else { Console.WriteLine( result.Length ); Console.WriteLine( result[0].ErrorCode ); Console.WriteLine( result[0].ErrorMessage ); Console.WriteLine( result[0].DestinationUrl); } } catch (Exception ex) { Console.WriteLine("Exception: {0}", ex.Message); }

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• "Win32 exception occurred releasing IUnknown at..." error using Pylons and WMI

  - by Anders

  Hi all, Im using Pylons in combination with WMI module to do some basic system monitoring of a couple of machines, for POSIX based systems everything is simple - for Windows - not so much. Doing a request to the Pylons server to get current CPU, however it's not working well, or atleast with the WMI module. First i simply did (something) this: c = wmi.WMI() for cpu in c.Win32_Processor(): value = cpu.LoadPercentage However, that gave me an error when accessing this module via Pylons (GET http://ip:port/cpu): raise x_wmi_uninitialised_thread ("WMI returned a syntax error: you're probably running inside a thread without first calling pythoncom.CoInitialize[Ex]") x_wmi_uninitialised_thread: <x_wmi: WMI returned a syntax error: you're probably running inside a thread without first calling pythoncom.CoInitialize[Ex] (no underlying exception)> Looking at http://timgolden.me.uk/python/wmi/tutorial.html, i wrapped the code accordingly to the example under the topic "CoInitialize & CoUninitialize", which makes the code work, but it keeps throwing "Win32 exception occurred releasing IUnknown at..." And then looking at http://mail.python.org/pipermail/python-win32/2007-August/006237.html and the follow up post, trying to follow that - however pythoncom._GetInterfaceCount() is always 20. Im guessing this is someway related to Pylons spawning worker threads and crap like that, however im kinda lost here, advice would be nice. Thanks in advance, Anders

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• Exception using Querytables in Excel Automation

  - by sam

  Hi, I'm using Automation to populate a range in Excel using a querytable.. However, when I try to add a querytable to the qorksheet I get an exception. I checked the connection string and its working fine.. Can some one please help me with this?? public void writeproc1() { try { Worksheet ws = (Worksheet)wb.Worksheets.Add(Missing.Value, Missing.Value, Missing.Value, Missing.Value); Range rng = ws.get_Range("A1", "E14"); QueryTable qt = ws.QueryTables.Add("Data Source=(local)\\SQLEXPRESS;initial catalog=temp;Integrated Security=SSPI;", rng, "Select * From Table_1"); qt.RefreshStyle = XlCellInsertionMode.xlInsertEntireRows; qt.Refresh(false); } catch (Exception ex) { Console.WriteLine(ex.ToString()); Console.ReadKey(); } } Exception Thrown System.Runtime.InteropServices.COMException (0x800A03EC): Exception from HRESULT: 0x800A03EC at System.RuntimeType.ForwardCallToInvokeMember(String memberName, BindingFlags flags, Object target, Int32[] aWrapperTypes, MessageData& msgData) at Microsoft.Office.Interop.Excel.QueryTables.Add(Object Connection, Range Destination, Object Sql) at tmp.Program.writeproc1() in ...Projects\tmp\tmp\Program.cs:line 25

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• "Message":"Invalid JSON primitive: RecordId."

  - by Radhi

  getting error in ajax call from jquery. here is my jquery function function AddAlbumToMyProfile(AlbumId, AlbumName, AlbumTypeName) { var obj = { AlbumId: AlbumId, AlbumName: AlbumName, AlbumTypeName: AlbumTypeName }; //following is ASP.NET AJAX serialize function to convert //object into jSON. var json = Sys.Serialization.JavaScriptSerializer.serialize(obj); $.ajax({ type: "POST", url: "Gallary.aspx/AddAlbumToMyProfile", data: json, contentType: "application/json; charset=utf-8", dataType: "json", async: true, cache: false, success: function(msg) { if (msg.d == '') { alert("Album Added to your profile"); } else { alert(msg.d); } }, error: function(XMLHttpRequest, textStatus, errorThrown) { } }); } and this is my webmethod [WebMethod] public static string DeleteRecord(Int64 RecordId, Int64 UserId, Int64 UserProfileId, string ItemType, string FileName) { try { string FilePath = HttpContext.Current.Server.MapPath(FileName); XDocument xmldoc = XDocument.Load(FilePath); XElement Xelm = xmldoc.Element("UserProfile"); XElement parentElement = Xelm.XPathSelectElement(ItemType + "/Fields"); (from BO in parentElement.Descendants("Record") where BO.Element("Id").Attribute("value").Value == RecordId.ToString() select BO).Remove(); XDocument xdoc = XDocument.Parse(Xelm.ToString(), LoadOptions.PreserveWhitespace); xdoc.Save(FilePath); UserInfoHandler obj = new UserInfoHandler(); return obj.GetHTML(UserId, UserProfileId, FileName, ItemType, RecordId, Xelm).ToString(); } catch (Exception ex) { HandleException.LogError(ex, "EditUserProfile.aspx", "DeleteRecord"); } return "success"; } can anybody please tell me whats wrong in my code?? i am getting error: {"Message":"Invalid JSON primitive: RecordId.","StackTrace":" at System.Web.Script.Serialization.JavaScriptObjectDeserializer.DeserializePrimitiveObject()\r\n at System.Web.Script.Serialization.JavaScriptObjectDeserializer.DeserializeInternal(Int32 depth)\r\n at System.Web.Script.Serialization.JavaScriptObjectDeserializer.BasicDeserialize(String input, Int32 depthLimit, JavaScriptSerializer serializer)\r\n at System.Web.Script.Serialization.JavaScriptSerializer.Deserialize(JavaScriptSerializer serializer, String input, Type type, Int32 depthLimit)\r\n at System.Web.Script.Serialization.JavaScriptSerializer.Deserialize[T](String input)\r\n at System.Web.Script.Services.RestHandler.GetRawParamsFromPostRequest(HttpContext context, JavaScriptSerializer serializer)\r\n at System.Web.Script.Services.RestHandler.GetRawParams(WebServiceMethodData methodData, HttpContext context)\r\n at System.Web.Script.Services.RestHandler.ExecuteWebServiceCall(HttpContext context, WebServiceMethodData methodData)","ExceptionType":"System.ArgumentException"}

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• Autonumber with Entity Framework

  - by dcompiled

  I want to loop through a collection of objects and add them all to a table. The destination table has an auto-increment field. If I add a single object there is no problem. If I add two objects both with the primary key of zero, the entity framework fails. I can manually specify primary keys but the whole point of trying the EF was to make life easier not more complicated. Here is the code and the exception received follows. foreach (Contact contact in contacts) { Instructor instructor = InstructorFromContact(contact); context.AddToInstructors(instructor); } try { context.SaveChanges(); } catch (Exception ex) { Console.WriteLine(ex.ToString()); } System.InvalidOperationException: The changes to the database were committed successfully, but an error occurred while updating the object context. The ObjectContext might be in an inconsistent state. Inner exception message: AcceptChanges cannot continue because the object's key values conflict with another object in the ObjectStateManager. Make sure that the key values are unique before calling AcceptChanges. at System.Data.Objects.ObjectContext.SaveChanges(SaveOptions options) at System.Data.Objects.ObjectContext.SaveChanges() at DataMigration.Program.CopyInstructors() in C:\Projects\DataMigration\Program.cs:line 52

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• SOAP web client on Android

  - by BANSAL MOHIT

  Hi I am trying to create a web service client for the android but i am stuck really bad Attached is my code and WSDL file. Please help /* * To change this template, choose Tools | Templates * and open the template in the editor. */ package org.me.androidapplication1; import android.app.Activity; import android.os.Bundle; import android.widget.TextView; import java.io.IOException; import java.util.logging.Level; import java.util.logging.Logger; import org.ksoap2.SoapEnvelope; import org.ksoap2.serialization.SoapObject; import org.ksoap2.serialization.SoapPrimitive; import org.ksoap2.serialization.SoapSerializationEnvelope; import org.ksoap2.transport.AndroidHttpTransport; import org.xmlpull.v1.XmlPullParserException; /** * * @author bansal */ public class MainActivity extends Activity { private String SOAP_ACTION = "http://src/getNews"; private String METHOD_NAME = "getNews"; private String NAMESPACE = "http://src/"; private static final String URL ="http://128.205.201.202:8080/RssService /RssServiceService?WSDL"; /** Called when the activity is first created. */ @Override public void onCreate(Bundle icicle) { super.onCreate(icicle); TextView tv = new TextView(this); SoapObject request = new SoapObject(NAMESPACE, METHOD_NAME); request.addProperty("ticker","NASDAQ:INFY"); SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(SoapEnvelope.VER11); envelope.setOutputSoapObject(request); AndroidHttpTransport androidHttpTransport = new AndroidHttpTransport(URL); try { androidHttpTransport.call(SOAP_ACTION, envelope); SoapPrimitive p = (SoapPrimitive) envelope.getResponse(); tv.setText("Response " + p); } catch (Exception ex) { ex.printStackTrace(); } setContentView(tv); // ToDo add your GUI initialization code here } } Thanks

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• SQL Server Express 2005 Merge Replication using RMO causes Null Reference exception

  - by Craig Shearer

  I'm trying to use RMO to programmatically perform merge synchronization. I've basically copied the SQL Server example code, as follows: // Create a connection to the Subscriber. ServerConnection conn = new ServerConnection(subscriberName); MergePullSubscription subscription; try { // Connect to the Subscriber. conn.Connect(); // Define the pull subscription. subscription = new MergePullSubscription(subscriptionDbName, publisherName, publicationDbName, publicationName, conn, false); // If the pull subscription exists, then start the synchronization. if (subscription.LoadProperties()) { // Check that we have enough metadata to start the agent. if (subscription.PublisherSecurity != null || subscription.DistributorSecurity != null) { subscription.SynchronizationAgent.Synchronize(); } else { throw new ApplicationException("There is insufficent metadata to " + "synchronize the subscription. Recreate the subscription with " + "the agent job or supply the required agent properties at run time."); } } else { // Do something here if the pull subscription does not exist. throw new ApplicationException(String.Format( "A subscription to '{0}' does not exist on {1}", publicationName, subscriberName)); } } catch (Exception ex) { // Implement appropriate error handling here. throw new ApplicationException("The subscription could not be " + "synchronized. Verify that the subscription has " + "been defined correctly.", ex); } finally { conn.Disconnect(); } I've got the server merge publication defined correctly, but when I run the above code, I get a null reference exception on the call to: subscription.SynchronizationAgent.Synchronize(); The stack trace is as follows: at Microsoft.SqlServer.Replication.MergeSynchronizationAgent.StatusEventSinkMethod(String message, Int32 percent, Int32* returnValue) at Test.ConsoleTest.Program.SynchronizePullSubscription() in F:\Visual Studio Projects\Test\source\Test.ConsoleTest\Program.cs:line 124 It seems, from the stack trace, like something to do with the Status event, but I don't have a handler defined, and defining one makes no difference.

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• Getting Error System.Runtime.InteropServices.COMException

  - by Savan Parmar

  Hey All, I am using Vb.Net to Create Labels in Microsoft. For that i am using below mantioend Code. Public Sub CreateLabel(ByVal StrFilter As String, ByVal Path As String) WordApp = CreateObject("Word.Application") ''Add a new document. WordDoc = WordApp.Documents.Add() Dim oConn As SqlConnection = New SqlConnection(connSTR) oConn.Open() Dim oCmd As SqlCommand Dim oDR As SqlDataReader oCmd = New SqlCommand(StrFilter, oConn) oDR = oCmd.ExecuteReader Dim intI As Integer Dim FilePath As String = "" With WordDoc.MailMerge With .Fields Do While oDR.Read For intI = 0 To oDR.FieldCount - 1 .Add(WordApp.Selection.Range, oDR.Item(intI)) Next Loop End With Dim objAutoText As Word.AutoTextEntry = WordApp.NormalTemplate.AutoTextEntries.Add("MyLabelLayout", WordDoc.Content) WordDoc.Content.Delete() .MainDocumentType = Word.WdMailMergeMainDocType.wdMailingLabels FilePath = CreateSource(StrFilter) .OpenDataSource(FilePath) Dim NewLabel As Word.CustomLabel = WordApp.MailingLabel.CustomLabels.Add("MyLabel", False) WordApp.MailingLabel.CreateNewDocument(Name:="MyLabel", Address:="", AutoText:="MyLabelLayout") objAutoText.Delete() .Destination = Word.WdMailMergeDestination.wdSendToNewDocument WordApp.Visible = True .Execute() End With oConn.Close() WordDoc.Close() End Sub Private Function CreateSource(ByVal StrFilter As String) As String Dim CnnUser As SqlConnection = New SqlConnection(connSTR) Dim sw As StreamWriter = File.CreateText("C:\Mail.Txt") Dim Path As String = "C:\Mail.Txt" Dim StrHeader As String = "" Try Dim SelectCMD As SqlCommand = New SqlCommand(StrFilter, CnnUser) Dim oDR As SqlDataReader Dim IntI As Integer SelectCMD.CommandType = CommandType.Text CnnUser.Open() oDR = SelectCMD.ExecuteReader For IntI = 0 To oDR.FieldCount - 1 StrHeader &= oDR.GetName(IntI) & " ," Next StrHeader = Mid(StrHeader, 1, Len(StrHeader) - 2) sw.WriteLine(StrHeader) sw.Flush() sw.Close() StrHeader = "" Do While oDR.Read For IntJ As Integer = 0 To oDR.FieldCount - 1 StrHeader &= oDR.GetString(IntJ) & " ," Next Loop StrHeader = Mid(StrHeader, 1, Len(StrHeader) - 2) sw = File.AppendText(Path) sw.WriteLine(StrHeader) CnnUser.Close() sw.Flush() sw.Close() Catch ex As Exception MessageBox.Show(ex.Message, "TempID", MessageBoxButtons.OK, MessageBoxIcon.Error) End Try Return Path End Function Now when i am running the programm i am getting this error.I tried hard but not able to locate what could be the problem the error is:- System.Runtime.InteropServices.COMException --Horizontal and vertical pitch must be greater than or equal to the label width and height, respectively. Even though i tried to set the Horizontal and vertical pitch programatically but it gives same err. Plz if any one can help

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• nHibernate Mapping with Oracle Varchar2 Data Types

  - by Blake Blackwell

  I am new to nHibernate and having some issues getting over the learning curve. My current question involves passing a string value as a parameter to a stored sproc. The error I get is: Input string is not in correct format. My mapping file looks like this: <?xml version="1.0" encoding="utf-8" ?> <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" assembly="MyCompany.MyProject.Core" namespace="MyCompany.MyProject.Core" > <class name="MyCompany.MyProject.Core.MyTable" table="My_Table" lazy="false"> <id name="Id" column="Id"></id> <property name="Name" column="Name" /> </class> <sql-query name="sp_GetTable" callable="true"> <query-param name="int_Id" type="int"/> <query-param name="vch_MyId" type="String"/> <return class="MyCompany.MyProject.Core.MyTable" /> call procedure MYPKG.MYPROC(:int_Id,:vch_MyId) </sql-query> </hibernate-mapping> When I debug nHibernate it looks like it is not an actual string value, but instead just an object value. Not sure about that though... EDIT: Adding additional code for clarification: UNIT Test List<ProcedureParameter> parms = new List<ProcedureParameter>(); parms.Add( new ProcedureParameter { ParamName = "int_Id", ParamValue = 1} ); parms.Add( new ProcedureParameter { ParamName = "vch_MyId", ParamValue = "{D18BED07-84AB-494F-A94F-6F894E284227}" } ); try { IList<MyTable> myTables = _context.GetAllByID<MyTable>( "sp_GetTable", parms ); Assert.AreNotEqual( 0, myTables.Count ); } catch( Exception ex ) { throw ex; } Data Context Method IQuery query = _session.GetNamedQuery( queryName ); foreach( ProcedureParameter parm in parms ) { query.SetParameter(parm.ParamName, "'" + parm.ParamValue + "'"); } return query.List<T>(); Come to think of it, it may have something to do with my DataContext method.

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• Outlook Addin in C# - How to add button/group in New Mail (next to signatures)

  - by MadBoy

  I'm having some trouble understanding Outlook terms (CommandBarPopup, CommandBarButton etc) like what is what in Outlook so please be patient. I would like to create couple of things: I would like to create new group (or just button but i read it's not possible to add a button to an existing group in ribbon) on new mail next to Signature/Add attachment in Message Ribbon. It would have to work the same way Signature works so when you press it it display couple of options. How can i create it? I would like to override a button "NEW" (where you can choose that you want to send new mail, make appointment or do other things) so that when you are in Main Window when you press the down arrow next to new button you could choose one of options i will add? Is this possible? How do I do it? I have some code that adds a menu in Main Window private void AddMenuBar() { try { //Define the existent Menu Bar menuBar = this.Application.ActiveExplorer().CommandBars.ActiveMenuBar; //Define the new Menu Bar into the old menu bar newMenuBar = (Office.CommandBarPopup) menuBar.Controls.Add(Office.MsoControlType.msoControlPopup, missing, missing, missing, false); //If I dont find the newMenuBar, I add it if (newMenuBar != null) { newMenuBar.Caption = "Test"; newMenuBar.Tag = menuTag; buttonOne = (Office.CommandBarButton) newMenuBar.Controls.Add(Office.MsoControlType.msoControlButton, missing, missing, 1, true); buttonOne.Style = Office.MsoButtonStyle.msoButtonIconAndCaption; buttonOne.Caption = "Test Button"; //This is the Icon near the Text buttonOne.FaceId = 610; buttonOne.Tag = "c123"; //Insert Here the Button1.Click event buttonOne.Click += new Office._CommandBarButtonEvents_ClickEventHandler(ButtonOneClick); newMenuBar.Visible = true; } } catch (Exception ex) { //This MessageBox is visible if there is an error System.Windows.Forms.MessageBox.Show("Error: " + ex.Message.ToString(), "Error Message Box", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); } } I would like to add submenu under the buttonOne so when i press it new submenus open up. How do I achieve that?

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• How to get Cookies using HttpClient

  - by Sunil

  Hello I am using HttpClient to get Cookies but I am unable find any cookies.My Code is given below public class LoginTab { private Cookie[] cookies; HttpClient httpClient; HttpState httpState; HashMap postData; public LoginTab() { httpClient = new HttpClient(); httpState = new HttpState(); httpClient.getHttpConnectionManager(). getParams().setConnectionTimeout(300000); httpClient.setState(httpState); // RFC 2101 cookie management spec is used per default // to parse, validate, format & match cookies httpClient.getParams().setCookiePolicy(CookiePolicy.RFC_2109); postData= new HashMap(); } public String getMethod(String url) { GetMethod getMethod = new GetMethod(url); String pageSoure=""; try{ httpClient.executeMethod(getMethod); pageSoure=getMethod.getResponseBodyAsString(); extractUsefulPostData(pageSoure, postData); getMethod.releaseConnection(); }catch(Exception ex) { ex.printStackTrace(); } return pageSoure; } public static void main(String[]arg) { LoginTab loginTab= new LoginTab(); System.out.println(loginTab.getMethod("http://tab.com.au/")); Cookie [] cookies=loginTab.httpState.getCookies(); System.out.println(cookies.length); for(int i=0;i<cookies.length;i++) System.out.println(cookies[i]); } } Please suggest me where is the mistake. Thanks in advance

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• How to get Cookies using HttpClient

  - by Sunil

  Hello I am using HttpClient to get Cookies but I am unable find any cookies.My Code is given below public class LoginTab { private Cookie[] cookies; HttpClient httpClient; HttpState httpState; HashMap postData; public LoginTab() { httpClient = new HttpClient(); httpState = new HttpState(); httpClient.getHttpConnectionManager(). getParams().setConnectionTimeout(300000); httpClient.setState(httpState); // RFC 2101 cookie management spec is used per default // to parse, validate, format & match cookies httpClient.getParams().setCookiePolicy(CookiePolicy.RFC_2109); postData= new HashMap(); } public String getMethod(String url) { GetMethod getMethod = new GetMethod(url); String pageSoure=""; try{ httpClient.executeMethod(getMethod); pageSoure=getMethod.getResponseBodyAsString(); extractUsefulPostData(pageSoure, postData); getMethod.releaseConnection(); }catch(Exception ex) { ex.printStackTrace(); } return pageSoure; } public static void main(String[]arg) { LoginTab loginTab= new LoginTab(); System.out.println(loginTab.getMethod("http://tab.com.au/")); Cookie [] cookies=loginTab.httpState.getCookies(); System.out.println(cookies.length); for(int i=0;i<cookies.length;i++) System.out.println(cookies[i]); } } Please suggest me where is the mistake. Thanks in advance

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• C#: Regex to extract portions of file name

  - by jakesankey

  I have text files formatted as such: R156484COMP_004A7001_20100104_065119.txt I need to consistently extract the R****COMP, the 004A7001 number, 20100104 (date), and don't care about the 065119 number. the problem is that not ALL of the files being parsed have the exact naming convention. some may be like this: R168166CRIT_156B2075_SU2_20091223_123456.txt or R285476COMP_SU1_125A6025_20100407_123456.txt So how could I use regex instead of split to ensure I am always getting that serial (ex. 004A7001), the date (ex. 20100104), and the R****COMP (or CRIT)??? Here is what I do now but it only gets the files formatted like my first example. if (file.Count(c => c == '_') != 3) continue; and further down in the code I have: string RNumber = Path.GetFileNameWithoutExtension(file); string RNumberE = RNumber.Split('_')[0]; string RNumberD = RNumber.Split('_')[1]; string RNumberDate = RNumber.Split('_')[2]; DateTime dateTime = DateTime.ParseExact(RNumberDate, "yyyyMMdd", Thread.CurrentThread.CurrentCulture); string cmmDate = dateTime.ToString("dd-MMM-yyyy");

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• Null Reference getting REMOTE_ADDR

  - by Josh

  I have an ASMX web service running under IIS7 in classic mode. This service has the following code: try { env.ExternalIP = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"]; } catch (Exception ex) { LogWriter.WriteError(ex); env.ExternalIP="000.000.000.000"; } This results in the following stack trace. I only modified the names of usercode call stack here to protect the innocent: Message: An Exception of type: NullReferenceException occured in method: GetAdditionalServerVar ExceptionMsg: Object reference not set to an instance of an object. ===Stack Trace=== at System.Web.Hosting.ISAPIWorkerRequestInProc.GetAdditionalServerVar(Int32 index) at System.Web.Hosting.ISAPIWorkerRequestInProc.GetServerVariable(String name) at System.Web.HttpRequest.AddServerVariableToCollection(String name) at System.Web.HttpRequest.FillInServerVariablesCollection() at System.Web.HttpServerVarsCollection.Populate() at System.Web.HttpServerVarsCollection.Get(String name) at System.Collections.Specialized.NameValueCollection.get_Item(String name) at MyService.MyMethod() I'm at a loss here as this is very basic plain vanilla code. EDIT This gets even stranger. I have added some basic code just wondering what server variables I can get at this point. This fails with the same exception when I try and get all the keys: System.NullReferenceException: Object reference not set to an instance of an object. at System.Web.Hosting.ISAPIWorkerRequestInProc.GetAdditionalServerVar(Int32 index) at System.Web.Hosting.ISAPIWorkerRequestInProc.GetServerVariable(String name) at System.Web.HttpRequest.AddServerVariableToCollection(String name) at System.Web.HttpRequest.FillInServerVariablesCollection() at System.Web.HttpServerVarsCollection.Populate() at System.Web.HttpServerVarsCollection.get_AllKeys() at MyService.MyHelper() When I was looking at the framework code looks like this could happen when the array which caches the server variables isn't populated and it looks like this occurs when there a null pointer to some Context...which seems like a fairly core piece of the framework code. I suppose it's time to burn up one of our support tickets with Microsoft.

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