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  • using Java interfaces

    - by mike_hornbeck
    I need to create interface MultiLingual, that allows to display object's data in different languages (not data itself, but introduction like "Author", "Title" etc.). Printed data looks like this : 3 grudnia 1998 10th of June 1924 Autor: Tolkien Tytul: LoTR Wydawnictwo: Amazon 2010 Author: Mitch Albom Title: Tuesdays with Morrie Publishing House: Time Warner Books 2003 37 360,45 PLN 5,850.70 GBP 3rd of December 1998 10th of June 1924 Author: Tolkien Title: LoTR Publishing House: Amazon 2010 Author: Mitch Albom Title: Tuesdays with Morrie Publishing House: Time Warner Books 2003 37,360.45 GBP 5,850.70 GBP Test code looks like this : public class Main { public static void main(String[] args){ MultiLingual gatecrasher[]={ new Data(3,12,1998), new Data(10,6,1924,MultiLingual.ENG), new Book("LoTR", "Tolkien", "Amazon", 2010), new Book("Tuesdays with Morrie", "Mitch Albom", "Time Warner Books",2003, MultiLingual.ENG), new Money(1232895/33.0,MultiLingual.PL), new Money(134566/23.0,MultiLingual.ENG), }; for(int i=0;i < gatecrasher.length;i++) System.out.println(gatecrasher[i]+"\n"); for(int i=0;i < gatecrasher.length;i++) System.out.println(gatecrasher[i].get(MultiLingual.ENG)+"\n"); } } So i need to introduce constants ENG, PL in MultiLingual interface, as well as method get(int language) : public interface MultiLingual { int ENG = 0; int PL= 1; String get(int lang); } And then I have class Book. Problem starts with the constructors. One of them needs to take MultiLingual.ENG as argument, but how to achieve that ? Is this the proper way? : class Book implements MultiLingual { private String title; private String publisher; private String author; public Book(String t, String a, String p, int y, MultiLingual lang){ } Or should I treat this MultiLingual.ENG as int variable , that will just change automatically constants in interface? Second constructor for book doesn't take MultLingual as argument, but following implementation is somehow wrong : public Book(String t, String a, String p, int y){ Book someBook = new Book(t, a, p, y, MultiLingual m); } I could just send int m in place of MultiLingual m but then I will have no control if language is set to PL or ENG. And finally get() method for Boook but I think at least this should be working fine: public String get(int lang){ String data; if (lang == ENG){ data = "Author: "+this.author+"\n"+ "Title: "+this.title+"\n"+ "Publisher: "+this.publisher+"\n"; } else { data = "Autor: "+this.author+"\n"+ "Tytul: "+this.title+"\n"+ "Wydawca: "+this.publisher+"\n"; } return data; } @Override public String toString(){ return ""; } }

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  • Serialization problem

    - by Falcon eyes
    Hi Every body I have a problem and want help. I have created a phonebook application and it works fine after a awhile i liked to make an upgrade for my application and i started from scratch i didn't inherit it from my old class,and i successes too ,my request "I want to migrate my contacts from the old application to the new one" ,so i made an adapter class for this reason in my new application with the following code using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.IO; using System.Windows.Forms; using System.Runtime.Serialization; using System.Runtime.Serialization.Formatters.Binary; namespace PhoneBook { class Adapter { PhoneRecord PhRecord; //the new application object CTeleRecord TelRecord; //the old application object string fileName; public Adapter(string filename) { fileName = filename; } public void convert() { PhRecord = new PhoneRecord(); TelRecord = new CTeleRecord(); FileStream OpFileSt = new FileStream(fileName, FileMode.Open,FileAccess.Read); BinaryFormatter readBin = new BinaryFormatter(); for (; ; ) { try { TelRecord.ResetTheObject(); TelRecord = (CTeleRecord)readBin.Deserialize(OpFileSt); PhRecord.SetName = TelRecord.GetName; PhRecord.SetHomeNumber = TelRecord.GetHomeNumber; PhRecord.SetMobileNumber = TelRecord.GetMobileNumber; PhRecord.SetWorkNumber = TelRecord.GetWorkNumber; PhRecord.SetSpecialNumber = TelRecord.GetSpecialNumber; PhRecord.SetEmail = TelRecord.GetEmail; PhRecord.SetNotes = TelRecord.GetNotes; PhBookContainer.phBookItems.Add(PhRecord); } catch (IOException xxx) { MessageBox.Show(xxx.Message); } catch (ArgumentException tt) { MessageBox.Show(tt.Message); } //if end of file is reached catch (SerializationException x) { MessageBox.Show(x.Message + x.Source); break; } } OpFileSt.Close(); PhBookContainer.Save(@"d:\MyPhBook.pbf"); } } } the problem is when i try to read the file ctreated by my old application i receive serialization exception with this message "Unabel to find assembly 'PhoneBook,Version=1.0.0.0,Culture=neutral,PublicK eyToken=null" and the source of exceptionis mscorlib. when i read the same file with my old application(Which is the origin of the file)i have no problem and idon't know what to do to make my adapter class work.so can somebody help please.

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  • Java - How to make a set of JInternalFrame independant of each other?

    - by Amokrane
    Hello, I'm programming a short Paint program like and I'm trying to make an MDI architecture for it. To make that happen, I used JInternalFrame inside a JDesktopPane. Although I kind of obtain multiple frames, there are not really working properly. Basically, if I have 2 JInternalFrame I can draw only on the last one. The other one seems to be disabled. Here is a short video illustrating the problem. http://bit.ly/9ydiwM Here are some part of the code. Panneau.java public class Panneau extends JDesktopPane { /** La liste de fenêtres ouvertes */ private static ArrayList<Cadre> cadres; /** Le pannel comportant la liste des formes à dessiner*/ private Pannel pannel; /** La barre d'outils */ private ToolBox toolBox; public Panneau() { this.setLayout(new BorderLayout()); // Initialisations des listes de cadres cadres = new ArrayList<Cadre>(); // En haut ToolBox toolBox = new ToolBox(); this.add(toolBox, BorderLayout.NORTH); **// Intialisation de la première internal frame Cadre cadre = new Cadre(); this.add(cadre, BorderLayout.CENTER);** cadres.add(cadre); // Ajout du pannel à gauche pannel = new Pannel(); this.add(pannel, BorderLayout.WEST); } /** * Crée une nouvelle fenêtre de dessin * */ **public void createNewInternalFrame() { Cadre cadre = new Cadre(); this.add(cadre, BorderLayout.CENTER); cadres.add(cadre); }** } public class Cadre extends JInternalFrame { /** Largeur par d'une fenêtre interne */ private int width; /** Hauteur d'une fenêtre interne */ private int height; /** Titre d'une fenêtre interne */ private String title; /** Toile associée à la fenêtre interne */ private Toile toile; public Cadre() { width = 400; height = 400; title = "Form"; toile = new Toile(); this.setTitle(title); this.setSize(width, height); this.setEnabled(true); this.setResizable(true); this.setAutoscrolls(true); this.setClosable(true); this.setIconifiable(true); this.setDoubleBuffered(true); this.setContentPane(toile); this.setVisible(true); this.pack(); } } Basically, Panneau is the main Window that contains all the differents parts of the GUI. I can create as much JInternalFrame that I want, using : Panneau.createNewInternalFrame(). Toile is basically where I draw my shapes. Any idea ? Thanks

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  • DropDownList Value not changing with UpdatePanel and ModalPopupExtender

    - by Richard
    Greetings, I have an asp.net webpage with an modalpopupextender inside of an updatepanel. When I click Ok on the popup, I can get the textbox values from the popup just fine, but the DropDownLists have the old/default value, not the new value I have selected for them. All the controls on the popup are set to enableviewstate = true, and autopostback = false (I just want to make the trip to the server when I click the ok button, not every time I change the value of the popups). Here is the relevant code. ========================== Client Side <asp:UpdatePanel ID="UpdatePanel1" runat="server"> <ContentTemplate> <asp:Panel ID="EditIssuePanel" runat="server" CssClass="modalPopup" Style="display:block;" > <table style="width:500px;"> <tr style="height:50px;"> <td colspan="2" align="center"> <asp:Label ID="lblEditIssueHeader" runat="server" Text="Edit Issue"></asp:Label> </td> </tr> <tr style="height:30px;"> <td class="labelscolumn"> <asp:Label ID="lblIssueName" runat="server" Text="Name:"></asp:Label> </td> <td class="datacolumn"> <asp:TextBox ID="txtName" runat="server" Width="250px" MaxLength="50"></asp:TextBox> </td> </tr> <tr style="height:30px;"> <td class="labelscolumn"> <asp:Label ID="lblDescription" runat="server" Text="Description:"></asp:Label> </td> <td class="datacolumn"> <asp:TextBox ID="txtDescription" runat="server" Width="250px" MaxLength="1000"></asp:TextBox> </td> </tr> <tr style="height:30px;"> <td class="labelscolumn"> <asp:Label ID="lblType" runat="server" Text="Type:"></asp:Label> </td> <td class="datacolumn"> <asp:DropDownList ID="ddlType" runat="server"> <asp:ListItem Selected="True" Value="B">Bug</asp:ListItem> <asp:ListItem Value="R">Request</asp:ListItem> <asp:ListItem Value="O">Other</asp:ListItem> </asp:DropDownList> </td> </tr> <tr style="height:30px;"> <td class="labelscolumn"> <asp:Label ID="lblStatus" runat="server" Text="Status:"></asp:Label> </td> <td class="datacolumn"> <asp:DropDownList ID="ddlStatus" runat="server"> <asp:ListItem Selected="True" Value="L">Logged</asp:ListItem> <asp:ListItem Value="I">In Process</asp:ListItem> <asp:ListItem Value="C">Complete</asp:ListItem> </asp:DropDownList> &nbsp; </td> </tr> <tr style="height:30px;"> <td class="labelscolumn"> <asp:Label ID="lblPriority" runat="server" Text="Priority:"></asp:Label> </td> <td class="datacolumn"> <asp:DropDownList ID="ddlPriority" runat="server" EnableViewState="true" AutoPostBack="false"> <asp:ListItem Selected="True" Value="L">Low</asp:ListItem> <asp:ListItem Value="M">Medium</asp:ListItem> <asp:ListItem Value="H">High</asp:ListItem> </asp:DropDownList> &nbsp;</td> </tr> <tr style="height:30px"> <td class="labelscolumn">Logger</td> <td class="datacolumn"> <asp:Label ID="lblEnteredByClientUserID" runat="server" Text=""></asp:Label> </td> </tr> <tr style="height:30px;"> <td class="labelscolumn"> <asp:Label ID="lblDateResolutionRequested" runat="server" Text="Requested Complete Date:"></asp:Label> </td> <td class="datacolumn"> <igsch:WebDateChooser ID="wdcRequestCompleteDate" runat="server"> </igsch:WebDateChooser> &nbsp;</td> </tr> <tr style="height:30px"> <td class="labelscolumn">Logged Date</td> <td class="datacolumn"> <asp:Label ID="lblLoggedDate" runat="server" Text=""></asp:Label> </td> </tr> <tr style="height:30px"> <td class="labelscolumn">In Process Date</td> <td class="datacolumn"> <asp:Label ID="lblInProcessDate" runat="server" Text=""></asp:Label> </td> </tr> <tr style="height:30px"> <td class="labelscolumn">Resolved Date</td> <td class="datacolumn"> <asp:Label ID="lblResolvedDate" runat="server" Text=""></asp:Label> </td> </tr> <tr style="height:30px;"> <td class="labelscolumn" valign="top"> <asp:Label ID="lblEmailCCList" runat="server" Text="Email CC:"></asp:Label> </td> <td class="datacolumn"> <asp:TextBox ID="txtEmailCCList" runat="server" MaxLength="2000" Rows="0" TextMode="MultiLine" Height="83px" Width="250px"></asp:TextBox> &nbsp;</td> </tr> <tr> <td> <asp:Label ID="lblIssueID" runat="server" Text="" Visible="false"></asp:Label> <asp:Label ID="lblClientID" runat="server" Text="" Visible="false"></asp:Label> </td> <td align="right"> <asp:Button ID="btnEditOk" runat="server" Text="Ok" onclick="btnEditOk_Click"/>&nbsp;&nbsp; <asp:Button ID="btnEditCancel" runat="server" Text="Cancel" onclick="btnEditCancel_Click" />&nbsp;&nbsp;&nbsp;&nbsp; </td> </tr> </table> </asp:Panel> . . . THEN THERE IS A WEBGRID HERE. . . This modal popupextender here got mangled. I cant get stackoverflow to show it right. It shows the properties here though. " BackgroundCssClass="modalBackground" DropShadow="true" OkControlID="btnEditOk" CancelControlID="btnEditCancel" Animations="" </ContentTemplate> </asp:UpdatePanel> ========================================= Server Side protected void btnEditOk_Click(object sender, EventArgs e) { IssueDAO issueDAO = new IssueDAO(); string client = "Eichleay"; string name = null; string description = null; string type = null; string status = null; DateTime? resolvedDate = null; string enteredByClientUserName = User.Identity.Name.ToString(); DateTime? loggedDate = DateTime.Now; DateTime? inProcessDate = null; DateTime? completeDate = null; DateTime? requestCompleteDate = null; string priority = null; int? prioritySort = null; string emailCCList = null; name = txtName.Text.Substring(txtName.Text.Length > 0 ? 1 : 0, (txtName.Text.Length > 0 ? txtName.Text.Length : 1) - 1); description = txtDescription.Text.Substring(txtDescription.Text.Length > 0 ? 1 : 0, (txtDescription.Text.Length == 0 ? 1 : txtDescription.Text.Length) - 1); type = ddlType.SelectedValue; status = ddlStatus.SelectedValue; resolvedDate = string.IsNullOrEmpty(lblResolvedDate.Text) == true ? null : new Nullable<DateTime>(Convert.ToDateTime(lblResolvedDate.Text)); inProcessDate = string.IsNullOrEmpty(lblInProcessDate.Text) == true ? null : new Nullable<DateTime>(Convert.ToDateTime(lblInProcessDate.Text)); completeDate = string.IsNullOrEmpty(lblResolvedDate.Text) == true ? null : new Nullable<DateTime>(Convert.ToDateTime(lblResolvedDate.Text)); requestCompleteDate = wdcRequestCompleteDate.Value == null ? null : string.IsNullOrEmpty(wdcRequestCompleteDate.Value.ToString()) == true ? null : new Nullable<DateTime>(Convert.ToDateTime(wdcRequestCompleteDate.Value.ToString())); priority = ddlPriority.SelectedValue; emailCCList = txtEmailCCList.Text.Substring(txtEmailCCList.Text.Length > 0 ? 1 : 0, (txtEmailCCList.Text.Length > 0 ? txtEmailCCList.Text.Length : 1) - 1); if (lblEditIssueHeader.Text.Substring(0, 3) == "New") { issueDAO.InsertIssue(client, name, description, type, status, resolvedDate, enteredByClientUserName, loggedDate, inProcessDate, completeDate, requestCompleteDate, priority, prioritySort, emailCCList); } else { Issue issue = new Issue(Convert.ToInt32(lblIssueID.Text), lblClientID.Text, txtName.Text.Substring(txtName.Text.Length > 0 ? 1 : 0, (txtName.Text.Length > 0 ? txtName.Text.Length : 1) - 1), txtDescription.Text.Substring(txtDescription.Text.Length > 0 ? 1 : 0, (txtDescription.Text.Length == 0 ? 1 : txtDescription.Text.Length) - 1), ddlType.SelectedValue, ddlStatus.SelectedValue, string.IsNullOrEmpty(lblResolvedDate.Text) == true ? null : new Nullable<DateTime>(Convert.ToDateTime(lblResolvedDate.Text)), lblEnteredByClientUserID.Text, string.IsNullOrEmpty(lblLoggedDate.Text) == true ? null : new Nullable<DateTime>(Convert.ToDateTime(lblLoggedDate.Text)), string.IsNullOrEmpty(lblInProcessDate.Text) == true ? null : new Nullable<DateTime>(Convert.ToDateTime(lblInProcessDate.Text)), string.IsNullOrEmpty(lblResolvedDate.Text) == true ? null : new Nullable<DateTime>(Convert.ToDateTime(lblResolvedDate.Text)), string.IsNullOrEmpty(wdcRequestCompleteDate.Value.ToString()) == true ? null : new Nullable<DateTime>(Convert.ToDateTime(wdcRequestCompleteDate.Value.ToString())), ddlPriority.SelectedValue, null, txtEmailCCList.Text.Substring(txtEmailCCList.Text.Length > 0 ? 1 : 0, (txtEmailCCList.Text.Length > 0 ? txtEmailCCList.Text.Length : 1) - 1)); issueDAO.UpdateIssue(issue); } // wdgIssues.ClearDataSource(); // UpdatePanel1.Update(); lblIssueID.Text = null; lblClientID.Text = null; txtName.Text = null; txtDescription.Text = null; ddlType.SelectedValue = null; ddlStatus.SelectedValue = null; lblLoggedDate.Text = null; lblInProcessDate.Text = null; lblResolvedDate.Text = null; wdcRequestCompleteDate.Value = null; ddlPriority.SelectedValue = null; txtEmailCCList.Text = null; }

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  • Help with Linq Expression - INotifyPropertyChanged

    - by Stephen Patten
    Hello, I'm reading the source code from the latest Prism 4 drop and am interested in solving this problem. There is a base class for the ViewModels that implements INotifyPropertyChanged and INotifyDataErrorInfo and provides some refactoring friendly change notification. protected void RaisePropertyChanged<T>(Expression<Func<T>> propertyExpresssion) { var propertyName = ExtractPropertyName(propertyExpresssion); this.RaisePropertyChanged(propertyName); } private string ExtractPropertyName<T>(Expression<Func<T>> propertyExpresssion) { if (propertyExpresssion == null) { throw new ArgumentNullException("propertyExpression"); } var memberExpression = propertyExpresssion.Body as MemberExpression; if (memberExpression == null) { throw new ArgumentException("The expression is not a member access expression.", "propertyExpression"); } var property = memberExpression.Member as PropertyInfo; if (property == null) { throw new ArgumentException("The member access expression does not access property.","propertyExpression"); } if (!property.DeclaringType.IsAssignableFrom(this.GetType())) { throw new ArgumentException("The referenced property belongs to a different type.", "propertyExpression"); } var getMethod = property.GetGetMethod(true); if (getMethod == null) { // this shouldn't happen - the expression would reject the property before reaching this far throw new ArgumentException("The referenced property does not have a get method.", "propertyExpression"); } if (getMethod.IsStatic) { throw new ArgumentException("The referenced property is a static property.", "propertyExpression"); } return memberExpression.Member.Name; } and as an example of it's usage private void RetrieveNewQuestionnaire() { this.Questions.Clear(); var template = this.questionnaireService.GetQuestionnaireTemplate(); this.questionnaire = new Questionnaire(template); foreach (var question in this.questionnaire.Questions) { this.Questions.Add(this.CreateQuestionViewModel(question)); } this.RaisePropertyChanged(() => this.Name); this.RaisePropertyChanged(() => this.UnansweredQuestions); this.RaisePropertyChanged(() => this.TotalQuestions); this.RaisePropertyChanged(() => this.CanSubmit); } My question is this. What would it take to pass an array of the property names to an overloaded method (RaisePropertyChanged) and condense this last bit of code from 4 lines to 1? Thank you, Stephen

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  • How to delegate SwingWorker's publish to other methods

    - by Savvas Dalkitsis
    My "problem" can be described by the following. Assume we have an intensive process that we want to have running in the background and have it update a Swing JProgress bar. The solution is easy: import java.util.List; import javax.swing.JOptionPane; import javax.swing.JProgressBar; import javax.swing.SwingWorker; /** * @author Savvas Dalkitsis */ public class Test { public static void main(String[] args) { final JProgressBar progressBar = new JProgressBar(0,99); SwingWorker<Void, Integer> w = new SwingWorker<Void, Integer>(){ @Override protected void process(List<Integer> chunks) { progressBar.setValue(chunks.get(chunks.size()-1)); } @Override protected Void doInBackground() throws Exception { for (int i=0;i<100;i++) { publish(i); Thread.sleep(300); } return null; } }; w.execute(); JOptionPane.showOptionDialog(null, new Object[] { "Process", progressBar }, "Process", JOptionPane.OK_CANCEL_OPTION, JOptionPane.QUESTION_MESSAGE, null, null, null); } } Now assume that i have various methods that take a long time. For instance we have a method that downloads a file from a server. Or another that uploads to a server. Or anything really. What is the proper way of delegating the publish method to those methods so that they can update the GUI appropriately? What i have found so far is this (assume that the method "aMethod" resides in some other package for instance): import java.awt.event.ActionEvent; import java.util.List; import javax.swing.AbstractAction; import javax.swing.Action; import javax.swing.JOptionPane; import javax.swing.JProgressBar; import javax.swing.SwingWorker; /** * @author Savvas Dalkitsis */ public class Test { public static void main(String[] args) { final JProgressBar progressBar = new JProgressBar(0,99); SwingWorker<Void, Integer> w = new SwingWorker<Void, Integer>(){ @Override protected void process(List<Integer> chunks) { progressBar.setValue(chunks.get(chunks.size()-1)); } @SuppressWarnings("serial") @Override protected Void doInBackground() throws Exception { aMethod(new AbstractAction() { @Override public void actionPerformed(ActionEvent e) { publish((Integer)getValue("progress")); } }); return null; } }; w.execute(); JOptionPane.showOptionDialog(null, new Object[] { "Process", progressBar }, "Process", JOptionPane.OK_CANCEL_OPTION, JOptionPane.QUESTION_MESSAGE, null, null, null); } public static void aMethod (Action action) { for (int i=0;i<100;i++) { action.putValue("progress", i); action.actionPerformed(null); try { Thread.sleep(300); } catch (InterruptedException e) { e.printStackTrace(); } } } } It works but i know it lacks something. Any thoughts?

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  • java, swing, Gridlayout problem

    - by josh
    I have a panel with GridLayout But when I'm trying to run the program, only the first button out of 100 is shown. Futhermore, the rest appear only when I move the cursor over them. What's wrong with it? Here's the whole class(Life.CELLS=10 and CellButton is a class which extends JButton) public class MainLayout extends JFrame { public MainLayout() { setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setSize(650, 750); setLayout(new FlowLayout()); //setResizable(false); final JPanel gridPanel = new JPanel(new GridLayout(Life.CELLS, Life.CELLS)); for (int i=0; i<Life.CELLS; i++) { for (int j=0; j<Life.CELLS; j++) { CellButton jb = new CellButton(i, j); jb.setPreferredSize(new Dimension(jb.getIcon().getIconHeight(), jb.getIcon().getIconWidth())); buttons[i][j] = jb; grid[i][j] = false; gridPanel.add(jb); } } add(gridPanel); } } This is code of CellButton package classes; import javax.swing.JButton; import javax.swing.ImageIcon; import javax.swing.JFrame; public class CellButton extends JButton { private int x; private int y; boolean alive; ImageIcon icon; boolean next; // icons for grids final ImageIcon dead = new ImageIcon(JFrame.class.getResource("/images/image1.gif")); final ImageIcon live = new ImageIcon(JFrame.class.getResource("/images/image2.gif")); public CellButton(int X, int Y) { super(); x = X; y = Y; alive = false; icon = dead; setIcon(icon); } public int getX() { return x; } public int getY() { return y; } public boolean isAlive() { return alive; } public void relive() { alive = true; icon = live; setIcon(icon); } public void die() { alive = false; icon = dead; setIcon(icon); } public void setNext(boolean n) { next = n; } public boolean getNext() { return next; } public ImageIcon getIcon() { return icon; } }

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  • Getting the executed output of an aspx page after a short delay

    - by Ankur
    Hi all, I have an aspx page which has some javascript code like <script> setTimeout("document.write('" + place.address + "');",1); </script> As it is clear from the code it will going to write something on the page after a very short delay of 1 ms. I have created an another page to get the page executed by some query string and get its output. The problem is I can not avoid the delay as simply writing document.write(place.address); will not print anything as it takes a little time to get values so if i set it in setTimeout for delayed output of 1 ms it always return me a value If I request the output from another page using System.Net.WebClient wc = new System.Net.WebClient(); System.IO.StreamReader sr = new System.IO.StreamReader(wc.OpenRead("http://localhost:4859/Default.aspx?lat=" + lat + "&lng=" + lng)); string strData = sr.ReadToEnd(); I get the source code of the document instead of the desired output can anyone help me out for either avoiding that delay or else delayed the client request ouput so that i get a desired value not the source code The js on default.aspx is <script type="text/javascript"> var geocoder; var address; function initialize() { geocoder = new GClientGeocoder(); var qs=new Querystring(); if(qs.get("lat") && qs.get("lng")) { geocoder.getLocations(new GLatLng(qs.get("lat"),qs.get("lng")),showAddress); } else { document.write("Invalid Access Or Not valid lat long is provided."); } } function getAddress(overlay, latlng) { if (latlng != null) { address = latlng; geocoder.getLocations(latlng, showAddress); } } function showAddress(r) { place = r.Placemark[0]; setTimeout("document.write('" + place.address + "');",1); //document.write(place.address); } </script> and the code on requestClient.aspx is as System.Net.WebClient wc = new System.Net.WebClient(); System.IO.StreamReader sr = new System.IO.StreamReader(wc.OpenRead("http://localhost:4859/Default.aspx?lat=" + lat + "&lng=" + lng)); string strData = sr.ReadToEnd();

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  • Computation on db data then list them using either SimpleCursorAdapter or ArrayAdapter

    - by kc2uno
    Hi all, I juststarted programming in android a few weeks ago, so I am not entirely sure how to deal with listing values. Please help me out! I have some questions regarding displaying data sets from db in a list. Currently I have a cursor returned by my db points to a list of rows and I want display 2 columns values in a single row of the list. The row xml looks like this: <TextView android:id="@+id/text1" android:textSize="16sp" android:textStyle="bold" android:layout_width="fill_parent" android:layout_height="wrap_content"/> <TextView android:id="@+id/text2" android:textSize="14sp" android:layout_width="fill_parent" android:layout_height="wrap_content"/> so I was thinking using simplecursoradapter which supposedly makes my life easier by displaying the data in a list. However that is only true if I want to display the raw data. For the purpose of my program I need to do some computations on the raw data sets, then display them. I am not sure how to do that using SimpleCursorAdapter. Here's how I display the raw data: String[] from = new String[]{BtDbAdapter.KEY_EX_TYPE,BtDbAdapter.KEY_EX_TIMESTAMP}; int[] to = new int[]{R.id.text1, R.id.text2}; // Now create a simple cursor adapter and set it to display SimpleCursorAdapter records = new SimpleCursorAdapter(this, R.layout.exset_row, mExsetCursor, from, to); setListAdapter(records); Is there a way to do computation on the data in those rows before I bind it with the SimpleCursorAdapter? I was trying to use an alternative way of doing this by using arraylist and arrayadapter, but that way I dont know to how achieve displaying 2 items in a single row. This is my code for using arrayadapter which only display 1 text in a row instead of 2 textviews in a row: //fill in the array timestamp_arr = new ArrayList<String>(); type_arr = new ArrayList<String>(); fillRecord(); Log.d(TAG,"setting now in recordlist"); setListAdapter(new ArrayAdapter<String>(this, R.layout.list_item,timestamp_arr)); setListAdapter(new ArrayAdapter<String>(this, R.layout.list_item2,type_arr)); It's very obvious that it only displays one textview in a row because I set the second arrayadapter overwrites the first one! I was trying to use R.id.text1 and R.id.text2 for them, but it gave me some errors saying 04-23 01:40:58.658: ERROR/AndroidRuntime(3309): android.content.res.Resources$NotFoundException: Resource ID #0x7f070008 type #0x12 is not valid I believe the second method can achieve this, but I'm not sure how do deal with the layout problems, so if you any suggestions, please post them out. Thank you!!

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  • fill gridview cell-by-cell

    - by raging_boner
    I want to populate GridView below with images: <asp:GridView ID="GrdDynamic" runat="server" AutoGenerateColumns="False"> <Columns> </Columns> </asp:GridView> The code below iterates through directory, then I collect image titles and want them to be populated in gridview. code in bold is not working well, gridview is only filled with the last image in list. List<string> imagelist = new List<string>(); protected void Page_Load(object sender, EventArgs e) { foreach (String image in Directory.GetFiles(Server.MapPath("example/"))) { imagelist.Add("~/example/" + Path.GetFileName(image)); } loadDynamicGrid(imagelist); } private void loadDynamicGrid(List<string> list) { DataTable dt = new DataTable(); DataColumn dcol = new DataColumn(NAME, typeof(System.String)); dt.Columns.Add(dcol); dcol = new DataColumn("NAME1", typeof(System.String)); dt.Columns.Add(dcol); dcol = new DataColumn("NAME2", typeof(System.String)); dt.Columns.Add(dcol); dcol = new DataColumn("NAME3", typeof(System.String)); dt.Columns.Add(dcol); DataRow drow = dt.NewRow(); dt.Rows.Add(); dt.Rows.Add(); **for (int i = 0; i < dt.Rows.Count; i++) { for (int j = 0; j < dt.Columns.Count; j++) { foreach (string value in list) { dt.Rows[i][j] = value; } } }** foreach (DataColumn col in dt.Columns) { ImageField bfield = new ImageField(); bfield.DataImageUrlField = NAME; bfield.HeaderText = col.ColumnName; GrdDynamic.Columns.Add(bfield); } GrdDynamic.DataSource = dt; GrdDynamic.DataBind(); } how to fill gridview cell-by-cell only with available amount of images? i know it is easy, i tried various methods like: dt.Rows.Add(list); and some other attempts, but they didn't work. i'm very stupid. i'd be glad for any help.

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  • END_TAG exception while calling WCF WebService from Android using KSOAP2?

    - by sunil
    Hi, I am trying to call a WCF Web Service from Android using KSOAP2 library. But I am getting this END_TAG exception. I have followed this thread to call WCF Web Service but still no result. I am passing "urn:TestingWcf/GetNames" as SOAP_ACTION, does this causes problem in Android since the error occurs at the statement "aht.call(SOAP_ACTION, envelope)" where aht is AndroidHttpTransport class object. Can someone let me know what the problem may be? import org.ksoap2.*; import org.ksoap2.serialization.*; import org.ksoap2.transport.*; import android.app.Activity; import android.os.Bundle; import android.widget.TextView; public class Ksoap2Test extends Activity { private static final String METHOD_NAME = "GetNamesJsonWithParam" private static final String NAMESPACE = "http://tempuri.org/"; private static final String URL = "http://192.168.3.61/BattleEmpire.Service/TestingWcf.svc/basic"; final String SOAP_ACTION = "urn:TestingWcf/GetNamesJsonWithParam"; TextView tv; StringBuilder sb; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); tv = new TextView(this); sb = new StringBuilder(); call(); tv.setText(sb.toString()); setContentView(tv); } public void call() { try { SoapObject request = new SoapObject(NAMESPACE, METHOD_NAME); request.addProperty("imran", "Qing"); SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(SoapEnvelope.VER11); envelope.dotNet = true; envelope.setOutputSoapObject(request); System.out.println("Request " + envelope.toString()); //HttpTransportSE androidHttpTransport = new HttpTransportSE(URL); AndroidHttpTransport aht = new AndroidHttpTransport(URL); aht.call(SOAP_ACTION, envelope); //aht.debug = true; /*HttpTransportSE androidHttpTransport = new HttpTransportSE(URL); androidHttpTransport.call(SOAP_ACTION, envelope);*/ SoapPrimitive result = (SoapPrimitive)envelope.getResponse(); //to get the data String resultData = result.toString(); // 0 is the first object of data sb.append(resultData + "\n"); SoapObject resultsRequestSOAP = (SoapObject) envelope.bodyIn; System.out.println(resultsRequestSOAP.toString()); } catch (Exception e) { e.printStackTrace(); sb.append("Error:\n" + e.getMessage() + "\n"); } } } `

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  • MemoryStream, XmlTextWriter and Warning 4 CA2202 : Microsoft.Usage

    - by rasx
    The Run Code Analysis command in Visual Studio 2010 Ultimate returns a warning when seeing a certain pattern with MemoryStream and XmlTextWriter. This is the warning: Warning 7 CA2202 : Microsoft.Usage : Object 'ms' can be disposed more than once in method 'KinteWritePages.GetXPathDocument(DbConnection)'. To avoid generating a System.ObjectDisposedException you should not call Dispose more than one time on an object.: Lines: 421 C:\Visual Studio 2010\Projects\Songhay.DataAccess.KinteWritePages\KinteWritePages.cs 421 Songhay.DataAccess.KinteWritePages This is the form: static XPathDocument GetXPathDocument(DbConnection connection) { XPathDocument xpDoc = null; var ms = new MemoryStream(); try { using(XmlTextWriter writer = new XmlTextWriter(ms, Encoding.UTF8)) { using(DbDataReader reader = CommonReader.GetReader(connection, Resources.KinteRssSql)) { writer.WriteStartDocument(); writer.WriteStartElement("data"); do { while(reader.Read()) { writer.WriteStartElement("item"); for(int i = 0; i < reader.FieldCount; i++) { writer.WriteRaw(String.Format("<{0}>{1}</{0}>", reader.GetName(i), reader[i].ToString())); } writer.WriteFullEndElement(); } } while(reader.NextResult()); writer.WriteFullEndElement(); writer.WriteEndDocument(); writer.Flush(); ms.Position = 0; xpDoc = new XPathDocument(ms); } } } finally { ms.Dispose(); } return xpDoc; } The same kind of warning is produced for this form: XPathDocument xpDoc = null; using(var ms = new MemoryStream()) { using(XmlTextWriter writer = new XmlTextWriter(ms, Encoding.UTF8)) { using(DbDataReader reader = CommonReader.GetReader(connection, Resources.KinteRssSql)) { //... } } } return xpDoc; By the way, the following form produces another warning: XPathDocument xpDoc = null; var ms = new MemoryStream(); using(XmlTextWriter writer = new XmlTextWriter(ms, Encoding.UTF8)) { using(DbDataReader reader = CommonReader.GetReader(connection, Resources.KinteRssSql)) { //... } } return xpDoc; The above produces the warning: Warning 7 CA2000 : Microsoft.Reliability : In method 'KinteWritePages.GetXPathDocument(DbConnection)', object 'ms' is not disposed along all exception paths. Call System.IDisposable.Dispose on object 'ms' before all references to it are out of scope. C:\Visual Studio 2010\Projects\Songhay.DataAccess.KinteWritePages\KinteWritePages.cs 383 Songhay.DataAccess.KinteWritePages In addition to the following, what are my options?: Supress warning CA2202. Supress warning CA2000 and hope that Microsoft is disposing of MemoryStream (because Reflector is not showing me the source code). Rewrite my legacy code to recognize the wonderful XDocument and LINQ to XML.

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  • i had problem in adding the additional content in my pdf...using asp.net c#

    - by Ayyappan.Anbalagan
    I am converting my data set into a pdf document.My data set contains the product bill details.So,at the top of the pdf i need to added some more content like "my company name & address customer name, date of bill,bill no" Below code i am using to convert into pdf. public static void Exportdata(DataTable dataTable, HttpResponse Response, int val) { //String filename = String.Concat(name, "-", DateTime.Today.Day.ToString(), "/", DateTime.Today.Month.ToString(), "/", DateTime.Today.Year.ToString(), ".pdf"); Document pdfDoc = new Document(PageSize.A4, 30, 30, 40, 25); System.IO.MemoryStream mStream = new System.IO.MemoryStream(); PdfWriter writer = PdfWriter.GetInstance(pdfDoc, mStream); //int cols = 0; //int rows = 0; int cols = dataTable.Columns.Count; int rows = dataTable.Rows.Count; pdfDoc.Open(); iTextSharp.text.Table pdfTable = new iTextSharp.text.Table(cols, rows); pdfTable.BorderWidth = 1; pdfTable.Width = 100; pdfTable.Padding = 1; pdfTable.Spacing = 1; //creating table headers for (int i = 0; i < cols; i++) { Cell cellCols = new Cell(); Font ColFont = FontFactory.GetFont(FontFactory.HELVETICA, 8, Font.BOLD); Chunk chunkCols = new Chunk(dataTable.Columns[i].ColumnName, ColFont); cellCols.Add(chunkCols); pdfTable.AddCell(cellCols); } //creating table data (actual result) for (int k = 0; k < rows; k++) { for (int j = 0; j < cols; j++) { Cell cellRows = new Cell(); Font RowFont = FontFactory.GetFont(FontFactory.HELVETICA, 6); Chunk chunkRows = new Chunk(dataTable.Rows[k][j].ToString(), RowFont); cellRows.Add(chunkRows); pdfTable.AddCell(cellRows); } } pdfDoc.Add(pdfTable); pdfDoc.Close(); Response.ContentType = "application/octet-stream"; if (val == 1) { Response.AddHeader("Content-Disposition", "attachment; filename=Users.pdf"); } else if (val == 2) { Response.AddHeader("Content-Disposition", "attachment; filename=Customers.pdf"); } else if (val == 3) { Response.AddHeader("Content-Disposition", "attachment; filename=Materials.pdf"); } else { Response.AddHeader("Content-Disposition", "attachment; filename=Reports.pdf"); } Response.Clear(); Response.BinaryWrite(mStream.ToArray()); //Response.Write(mStream.ToString()); HttpContext.Current.ApplicationInstance.CompleteRequest(); Response.End(); }

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  • Android - MapView contained within a Listview

    - by Ryan
    Hello, Currently I am trying to place a MapView within a ListView. Has anyone had any success with this? Is it even possible? Here is my code: ListView myList = (ListView) findViewById(android.R.id.list); List<Map<String, Object>> groupData = new ArrayList<Map<String, Object>>(); Map<String, Object> curGroupMap = new HashMap<String, Object>(); groupData.add(curGroupMap); curGroupMap.put("ICON", R.drawable.back_icon); curGroupMap.put("NAME","Go Back"); curGroupMap.put("VALUE","By clicking here"); Iterator it = data.entrySet().iterator(); while (it.hasNext()) { //Get the key name and value for it Map.Entry pair = (Map.Entry)it.next(); String keyName = (String) pair.getKey(); String value = pair.getValue().toString(); if (value != null) { //Add the parents -- aka main categories curGroupMap = new HashMap<String, Object>(); groupData.add(curGroupMap); //Push the correct Icon if (keyName.equalsIgnoreCase("Phone")) curGroupMap.put("ICON", R.drawable.phone_icon); else if (keyName.equalsIgnoreCase("Housing")) curGroupMap.put("ICON", R.drawable.house_icon); else if (keyName.equalsIgnoreCase("Website")) curGroupMap.put("ICON", R.drawable.web_icon); else if (keyName.equalsIgnoreCase("Area Snapshot")) curGroupMap.put("ICON", R.drawable.camera_icon); else if (keyName.equalsIgnoreCase("Overview")) curGroupMap.put("ICON", R.drawable.overview_icon); else if (keyName.equalsIgnoreCase("Location")) curGroupMap.put("ICON", R.drawable.map_icon); else curGroupMap.put("ICON", R.drawable.icon); //Pop on the Name and Value curGroupMap.put("NAME", keyName); curGroupMap.put("VALUE", value); } } curGroupMap = new HashMap<String, Object>(); groupData.add(curGroupMap); curGroupMap.put("ICON", R.drawable.back_icon); curGroupMap.put("NAME","Go Back"); curGroupMap.put("VALUE","By clicking here"); //Set up adapter mAdapter = new SimpleAdapter( mContext, groupData, R.layout.exp_list_parent, new String[] { "ICON", "NAME", "VALUE" }, new int[] { R.id.photoAlbumImg, R.id.rowText1, R.id.rowText2 } ); myList.setAdapter(mAdapter); //Bind the adapter to the list Thanks in advance for your help!!

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  • Need help with Java Producer Consumer Problem, NullPointerException

    - by absk
    This is my code: package test; import java.util.logging.Level; import java.util.logging.Logger; class Data{ int ar[]=new int[50]; int ptr; Data() { for(int i=0;i<50;i++) ar[i]=0; ptr=0; } public int produce() { if(this.ptr<50) { this.ar[this.ptr]=1; this.ptr++; return this.ptr; } else return -1; } public int consume() { if(this.ptr>0) { this.ar[this.ptr]=0; this.ptr--; return this.ptr; } else return -1; } } class Prod implements Runnable{ private Main m; Prod(Main mm) { m=mm; } public void run() { int r = m.d.produce(); if (r != -1) { System.out.println("Produced, total elements: " + r); } else { try { wait(); } catch (InterruptedException ex) { Logger.getLogger(Prod.class.getName()).log(Level.SEVERE, null, ex); } } } } class Cons implements Runnable{ private Main m; Cons(Main mm) { m=mm; } public void run() { int r=m.d.consume(); if(r!=-1) System.out.println("Consumed, total elements: " + r); else { try { wait(); } catch (InterruptedException ex) { Logger.getLogger(Prod.class.getName()).log(Level.SEVERE, null, ex); } } notify(); } } public class Main{ Data d; public static void main(String s[]) throws InterruptedException{ Main m = new Main(); Prod p = new Prod(m); Cons c = new Cons(m); new Thread(p).start(); new Thread(c).start(); } } It is giving following errors: Exception in thread "Thread-0" Exception in thread "Thread-1" java.lang.NullPointerException at test.Cons.run(Main.java:84) at java.lang.Thread.run(Thread.java:619) java.lang.NullPointerException at test.Prod.run(Main.java:58) at java.lang.Thread.run(Thread.java:619) I am new to Java. Any help will be appreciated.

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  • Getting problem in Java OpenCV code.

    - by Chetan
    I had successfully compile my java code in Eclipse with name FaceDetection.java... I am getting an Exception in thread "main" java.lang.NoSuchMethodError: main.... Please help me to remove this Exception.. Here is the code import java.awt.; import java.awt.event.; import java.awt.image.MemoryImageSource; import hypermedia.video.OpenCV; @SuppressWarnings("serial") public class FaceDetection extends Frame implements Runnable { /** * Main method. * @param String[] a list of user's arguments passed from the console to this program */ public static void main( String[] args ) { System.out.println( "\nOpenCV face detection sample\n" ); new FaceDetection(); } // program execution frame rate (millisecond) final int FRAME_RATE = 1000/30; OpenCV cv = null; // OpenCV Object Thread t = null; // the sample thread // the input video stream image Image frame = null; // list of all face detected area Rectangle[] squares = new Rectangle[0]; /** * Setup Frame and Object(s). */ FaceDetection() { super( "Face Detection Sample" ); // OpenCV setup cv = new OpenCV(); cv.capture( 320, 240 ); cv.cascade( OpenCV.CASCADE_FRONTALFACE_ALT ); // frame setup this.setBounds( 100, 100, cv.width, cv.height ); this.setBackground( Color.BLACK ); this.setVisible( true ); this.addKeyListener( new KeyAdapter() { public void keyReleased( KeyEvent e ) { if ( e.getKeyCode()==KeyEvent.VK_ESCAPE ) { // ESC : release OpenCV resources cv.dispose(); System.exit(0); } } } ); // start running program t = new Thread( this ); t.start(); } /** * Draw video frame and each detected faces area. */ public void paint( Graphics g ) { // draw image g.drawImage( frame, 0, 0, null ); // draw squares g.setColor( Color.RED ); for( Rectangle rect : squares ) g.drawRect( rect.x, rect.y, rect.width, rect.height ); } /** * Execute this sample. */ @SuppressWarnings("static-access") public void run() { while( t!=null && cv!=null ) { try { t.sleep( FRAME_RATE ); // grab image from video stream cv.read(); // create a new image from cv pixels data MemoryImageSource mis = new MemoryImageSource( cv.width, cv.height, cv.pixels(), 0, cv.width ); frame = createImage( mis ); // detect faces squares = cv.detect( 1.2f, 2, OpenCV.HAAR_DO_CANNY_PRUNING, 20, 20 ); // of course, repaint repaint(); } catch( InterruptedException e ) {;} } } }

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  • "is not abstact and does not override abstract method."

    - by Chris Bolton
    So I'm pretty new to android development and have been trying to piece together some code bits. Here's what I have so far: package com.teslaprime.prirt; import android.app.Activity; import android.os.Bundle; import android.view.View; import android.widget.ArrayAdapter; import android.widget.Button; import android.widget.EditText; import android.widget.ListView; import android.widget.AdapterView.OnItemClickListener; import java.util.ArrayList; import java.util.List; public class TaskList extends Activity { List<Task> model = new ArrayList<Task>(); ArrayAdapter<Task> adapter = null; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); Button add = (Button) findViewById(R.id.add); add.setOnClickListener(onAdd); ListView list = (ListView) findViewById(R.id.tasks); adapter = new ArrayAdapter<Task>(this,android.R.layout.simple_list_item_1,model); list.setAdapter(adapter); list.setOnItemClickListener(new OnItemClickListener() { public void onItemClick(View v, int position, long id) { adapter.remove(position); } });} private View.OnClickListener onAdd = new View.OnClickListener() { public void onClick(View v) { Task task = new Task(); EditText name = (EditText) findViewById(R.id.taskEntry); task.name = name.getText().toString(); adapter.add(task); } }; } and here are the errors I'm getting: compile: [javac] /opt/android-sdk/tools/ant/main_rules.xml:384: warning: 'includeantruntime' was not set, defaulting to build.sysclasspath=last; set to false for repeatable builds [javac] Compiling 2 source files to /home/chris-kun/code/priRT/bin/classes [javac] /home/chris-kun/code/priRT/src/com/teslaprime/prirt/TaskList.java:30: <anonymous com.teslaprime.prirt.TaskList$1> is not abstract and does not override abstract method onItemClick(android.widget.AdapterView<?>,android.view.View,int,long) in android.widget.AdapterView.OnItemClickListener [javac] list.setOnItemClickListener(new OnItemClickListener() { [javac] ^ [javac] /home/chris-kun/code/priRT/src/com/teslaprime/prirt/TaskList.java:32: remove(com.teslaprime.prirt.Task) in android.widget.ArrayAdapter<com.teslaprime.prirt.Task> cannot be applied to (int) [javac] adapter.remove(position); [javac] ^ [javac] 2 errors BUILD FAILED /opt/android-sdk/tools/ant/main_rules.xml:384: Compile failed; see the compiler error output for details. Total time: 2 seconds any ideas?

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  • What are the benefits of using ORM over XML Serialization/Deserialization?

    - by Tequila Jinx
    I've been reading about NHibernate and Microsoft's Entity Framework to perform Object Relational Mapping against my data access layer. I'm interested in the benefits of having an established framework to perform ORM, but I'm curious as to the performance costs of using it against standard XML Serialization and Deserialization. Right now, I develop stored procedures in Oracle and SQL Server that use XML Types for either input or output parameters and return or shred XML depending on need. I use a custom database command object that uses generics to deserialize the XML results into a specified serializable class. By using a combination of generics, xml (de)serialization and Microsoft's DAAB, I've got a process that's fairly simple to develop against regardless of the data source. Moreover, since I exclusively use Stored Procedures to perform database operations, I'm mostly protected from changes in the data structure. Here's an over-simplified example of what I've been doing. static void main() { testXmlClass test = new test(1); test.Name = "Foo"; test.Save(); } // Example Serializable Class ------------------------------------------------ [XmlRootAttribute("test")] class testXmlClass() { [XmlElement(Name="id")] public int ID {set; get;} [XmlElement(Name="name")] public string Name {set; get;} //create an instance of the class loaded with data. public testXmlClass(int id) { GenericDBProvider db = new GenericDBProvider(); this = db.ExecuteSerializable("myGetByIDProcedure"); } //save the class to the database... public Save() { GenericDBProvider db = new GenericDBProvider(); db.AddInParameter("myInputParameter", DbType.XML, this); db.ExecuteSerializableNonQuery("mySaveProcedure"); } } // Database Handler ---------------------------------------------------------- class GenericDBProvider { public T ExecuteSerializable<T>(string commandText) where T : class { XmlSerializer xml = new XmlSerializer(typeof(T)); // connection and command code is assumed for the purposes of this example. // the final results basically just come down to... return xml.Deserialize(commandResults) as T; } public void ExecuteSerializableNonQuery(string commandText) { // once again, connection and command code is assumed... // basically, just execute the command along with the specified // parameters which have been serialized. } public void AddInParameter(string name, DbType type, object value) { StringWriter w = new StringWriter(); XmlSerializer x = new XmlSerializer(value.GetType()); //handle serialization for serializable classes. if (type == DbType.Xml && (value.GetType() != typeof(System.String))) { x.Serialize(w, value); w.Close(); // store serialized object in a DbParameterCollection accessible // to my other methods. } else { //handle all other parameter types } } } I'm starting a new project which will rely heavily on database operations. I'm very curious to know whether my current practices will be sustainable in a high-traffic situation and whether or not I should consider switching to NHibernate or Microsoft's Entity Framework to perform what essentially seems to boil down to the same thing I'm currently doing. I appreciate any advice you may have.

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  • how to make the android app load faster?

    - by Tapan Desai
    I have designed an application for android, in which i am showing a splash screen before the main activity is started but the application takes 5-7 seconds to start on low-end devices. I want to reduce that time to as low as possible. I have been trying to reduce the things to be done in onCreate() but now i cannot remove any thing more from that. I am pasting the code that i have used to show the splash and the code from MainActivity. Please help me in reducing the startup time of the application. Splash.java @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); this.requestWindowFeature(Window.FEATURE_NO_TITLE); setContentView(R.layout.activity_splash); txtLoad = (TextView) findViewById(R.id.txtLoading); txtLoad.setText("v1.0"); new Thread() { public void run() { try { sleep(1000); } catch (InterruptedException e) { e.printStackTrace(); } finally { finish(); Intent intent = new Intent(SplashActivity.this,MainActivity.class); startActivity(intent); } } }.start(); } MainActivity.java @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); this.requestWindowFeature(Window.FEATURE_NO_TITLE); setContentView(R.layout.activity_main); editType1UserName = (EditText) findViewById(R.id.editTextType1UserName); editType1Password = (EditText) findViewById(R.id.editTextType1Password); editType2UserName = (EditText) findViewById(R.id.editTextType2UserName); editType2Password = (EditText) findViewById(R.id.editTextType2Password); editType3UserName = (EditText) findViewById(R.id.editTextType3UserName); editType3Password = (EditText) findViewById(R.id.editTextType3Password); editType4UserName = (EditText) findViewById(R.id.editTextType4UserName); editType4Password = (EditText) findViewById(R.id.editTextType4Password); mTxtPhoneNo = (AutoCompleteTextView) findViewById(R.id.mmWhoNo); mTxtPhoneNo.setThreshold(1); editText = (EditText) findViewById(R.id.editTextMessage); spinner1 = (Spinner) findViewById(R.id.spinnerGateway); btnsend = (Button) findViewById(R.id.btnSend); btnContact = (Button) findViewById(R.id.btnContact); btnsend.setOnClickListener((OnClickListener) this); btnContact.setOnClickListener((OnClickListener) this); mPeopleList = new ArrayList<Map<String, String>>(); PopulatePeopleList(); mAdapter = new SimpleAdapter(this, mPeopleList, R.layout.custcontview, new String[] { "Name", "Phone", "Type" }, new int[] { R.id.ccontName, R.id.ccontNo, R.id.ccontType }); mTxtPhoneNo.setAdapter(mAdapter); mTxtPhoneNo.setOnItemClickListener((OnItemClickListener) this); readPerson(); Panel panel; topPanel = panel = (Panel) findViewById(R.id.mytopPanel); panel.setOnPanelListener((OnPanelListener) this); panel.setInterpolator(new BounceInterpolator(Type.OUT)); getLoginDetails(); }

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  • ASP NET MVC (loading data from database)

    - by rah.deex
    hi experts, its me again... i have some code like this.. using System; using System.Collections.Generic; using System.Linq; using System.Web; namespace MvcGridSample.Models { public class CustomerService { private List<SVC> Customers { get { List<SVC> customers; if (HttpContext.Current.Session["Customers"] != null) { customers = (List<SVC>) HttpContext.Current.Session["Customers"]; } else { //Create customer data store and save in session customers = new List<SVC>(); InitCustomerData(customers); HttpContext.Current.Session["Customers"] = customers; } return customers; } } public SVC GetByID(int customerID) { return this.Customers.AsQueryable().First(customer => customer.seq_ == customerID); } public IQueryable<SVC> GetQueryable() { return this.Customers.AsQueryable(); } public void Add(SVC customer) { this.Customers.Add(customer); } public void Update(SVC customer) { } public void Delete(int customerID) { this.Customers.RemoveAll(customer => customer.seq_ == customerID); } private void InitCustomerData(List<SVC> customers) { customers.Add(new SVC { ID = 1, FirstName = "John", LastName = "Doe", Phone = "1111111111", Email = "[email protected]", OrdersPlaced = 5, DateOfLastOrder = DateTime.Parse("5/3/2007") }); customers.Add(new SVC { ID = 2, FirstName = "Jane", LastName = "Doe", Phone = "2222222222", Email = "[email protected]", OrdersPlaced = 3, DateOfLastOrder = DateTime.Parse("4/5/2008") }); customers.Add(new SVC { ID = 3, FirstName = "John", LastName = "Smith", Phone = "3333333333", Email = "[email protected]", OrdersPlaced = 25, DateOfLastOrder = DateTime.Parse("4/5/2000") }); customers.Add(new SVC { ID = 4, FirstName = "Eddie", LastName = "Murphy", Phone = "4444444444", Email = "[email protected]", OrdersPlaced = 1, DateOfLastOrder = DateTime.Parse("4/5/2003") }); customers.Add(new SVC { ID = 5, FirstName = "Ziggie", LastName = "Ziggler", Phone = null, Email = "[email protected]", OrdersPlaced = 0, DateOfLastOrder = null }); customers.Add(new SVC { ID = 6, FirstName = "Michael", LastName = "J", Phone = "666666666", Email = "[email protected]", OrdersPlaced = 5, DateOfLastOrder = DateTime.Parse("12/3/2007") }); } } } those codes is an example that i've got from the internet.. in that case, the data is created and saved in session before its shown.. the things that i want to ask is how if i want to load the data from table? i'am a newbie here.. please help :) thank b4 for advance..

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  • how can i disable the default console handler, while using the java logging api ?

    - by loudiyimo
    Hi I am trying to implement the java logging in my application. I want to use two handlers. A file handler and my own console handler. Both of my handlers work fine. My logging is send to a file and to the console . My logging is also sent to the default console handler, which i do not want. If you run my code you will see extra two line sent to the console. I don't want to use de default console handler. Does anyone know how to disable the default console handler. I only want to use the two hadlers i have created. Handler fh = new FileHandler("test.txt"); fh.setFormatter(formatter); logger.addHandler(fh); Handler ch = new ConsoleHandler(); ch.setFormatter(formatter); logger.addHandler(ch); import java.util.Date; import java.util.logging.ConsoleHandler; import java.util.logging.FileHandler; import java.util.logging.Formatter; import java.util.logging.Handler; import java.util.logging.Level; import java.util.logging.LogManager; import java.util.logging.LogRecord; import java.util.logging.Logger; public class LoggingExample { private static Logger logger = Logger.getLogger("test"); static { try { logger.setLevel(Level.INFO); Formatter formatter = new Formatter() { @Override public String format(LogRecord arg0) { StringBuilder b = new StringBuilder(); b.append(new Date()); b.append(" "); b.append(arg0.getSourceClassName()); b.append(" "); b.append(arg0.getSourceMethodName()); b.append(" "); b.append(arg0.getLevel()); b.append(" "); b.append(arg0.getMessage()); b.append(System.getProperty("line.separator")); return b.toString(); } }; Handler fh = new FileHandler("test.txt"); fh.setFormatter(formatter); logger.addHandler(fh); Handler ch = new ConsoleHandler(); ch.setFormatter(formatter); logger.addHandler(ch); LogManager lm = LogManager.getLogManager(); lm.addLogger(logger); } catch (Throwable e) { e.printStackTrace(); } } public static void main(String[] args) { logger.info("why does my test application use the standard console logger ?\n" + " I want only my console handler (Handler ch)\n " + "how can i turn the standard logger to the console off. ??"); } }

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  • Entity Framework Update Entity along with child entities (add/update as necessary)

    - by Jorin
    I have a many-to-many relationship between Issues and Scopes in my EF Context. In ASP.NET MVC, I bring up an Edit form that allows the user to edit a particular Issue. At the bottom of the form, is a list of checkboxes that allow them to select which scopes apply to this issue. When editing an issue, it likely will always have some Scopes associated with it already--these boxes will be checked already. However, the user has the opportunity to check more scopes or remove some of the currently checked scopes. My code looked something like this to save just the Issue: using (var edmx = new MayflyEntities()) { Issue issue = new Issue { IssueID = id, TSColumn = formIssue.TSColumn }; edmx.Issues.Attach(issue); UpdateModel(issue); if (ModelState.IsValid) { //if (edmx.SaveChanges() != 1) throw new Exception("Unknown error. Please try again."); edmx.SaveChanges(); TempData["message"] = string.Format("Issue #{0} successfully modified.", id); } } So, when I try to add in the logic to save the associated scopes, I tried several things, but ultimately, this is what made the most sense to me: using (var edmx = new MayflyEntities()) { Issue issue = new Issue { IssueID = id, TSColumn = formIssue.TSColumn }; edmx.Issues.Attach(issue); UpdateModel(issue); foreach (int scopeID in formIssue.ScopeIDs) { var thisScope = new Scope { ID = scopeID }; edmx.Scopes.Attach(thisScope); thisScope.ProjectID = formIssue.ProjectID; if (issue.Scopes.Contains(thisScope)) { issue.Scopes.Attach(thisScope); //the scope already exists } else { issue.Scopes.Add(thisScope); // the scope needs to be added } } if (ModelState.IsValid) { //if (edmx.SaveChanges() != 1) throw new Exception("Unknown error. Please try again."); edmx.SaveChanges(); TempData["message"] = string.Format("Issue #{0} successfully modified.", id); } } But, unfortunately, that just throws the following exception: An object with the same key already exists in the ObjectStateManager. The ObjectStateManager cannot track multiple objects with the same key. What am I doing wrong?

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  • Loading a SWF dynamically causes previously loaded SWFs to misbehave

    - by Aaron
    I have run into a very strange problem with Flash and Flex. It appears that under certain circumstances, movie clips from a SWF loaded at runtime (using Loader) cannot be instantiated if another SWF has been loaded in the mean time. Here is the complete code for a program that reproduces the error. It is compiled using mxmlc, via Ensemble Tofino: package { import flash.display.*; import flash.events.*; import flash.net.*; import flash.system.*; public class DynamicLoading extends Sprite { private var testAppDomain:ApplicationDomain; public function DynamicLoading() { var request:URLRequest = new URLRequest("http://localhost/content/test.swf"); var loader:Loader = new Loader(); loader.contentLoaderInfo.addEventListener(Event.COMPLETE, onTestLoadComplete); loader.load(request); } private function onTestLoadComplete(e:Event):void { var loaderInfo:LoaderInfo = LoaderInfo(e.target); testAppDomain = loaderInfo.applicationDomain; // To get the error, uncomment these lines... //var request:URLRequest = new URLRequest("http://localhost/content/tiny.swf"); //var loader:Loader = new Loader(); //loader.contentLoaderInfo.addEventListener(Event.COMPLETE, onTinyLoadComplete); //loader.load(request); // ...and comment this one: onTinyLoadComplete(); } private function onTinyLoadComplete(e:Event = null):void { var spriteClass:Class = Class(testAppDomain.getDefinition("TopSymbol")); var sprite:Sprite = Sprite(new spriteClass()); sprite.x = sprite.y = 200; addChild(sprite); } } } With the second loading operation commented out as shown above, the code works. However, if the second loading operation is uncommented and onTinyLoadComplete runs after the second SWF is loaded, the line containing new spriteClass() fails with the following exception: TypeError: Error #1034: Type Coercion failed: cannot convert flash.display::MovieClip@2dc8ba1 to SubSymbol. at flash.display::Sprite/constructChildren() at flash.display::Sprite() at flash.display::MovieClip() at TopSymbol() at DynamicLoading/onTinyLoadComplete()[C:\Users\...\TestFlash\DynamicLoading.as:38] test.swf and tiny.swf were created in Flash CS4. test.swf contains two symbols, both exported for ActionScript, one called TopSymbol and one called SubSymbol. SubSymbol contains a simple graphic (a scribble) and TopSymbol contains a single instance of SubSymbol. tiny.swf contains nothing; it is the result of publishing a new, empty ActionScript 3 project. If I modify test.swf so that SubSymbol is not exported for ActionScript, the error goes away, but in our real project we need the ability to dynamically load sprite classes that contain other, exported sprite classes as children. Any ideas as to what is causing this, or how to fix it?

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  • String.substring(index) has stoped my thread in debug mode.

    - by Arkaha
    Hello! I work with j2me polish 2.0.7, in eclipse 3.4.2, with wtk2.5.2_01. I create control which draws text: normal, bold, and italic. The code below is parsing raw text, and search for * and _ symbols, if found than add to draw vector the text and the drawer, and it's just stops after getting second time to the line 58: String test = new String(raw_text_buff.substring(iter)); it stops in raw_text_buff.substring(iter), ONLY in debug mode.. raw text is: bla bla bla *1000* bla bla Full code: private String raw_text = "bla bla bla *1000* bla bla"; Vector draw_items = null; private void prepareText() { char open_char = 0; int open_pos = 0; Object []param = null; StringBuffer sb = new StringBuffer(); String raw_text_buff = new String(raw_text); int iter = 0; boolean was_reset = false; while(true) { char c = raw_text_buff.charAt(iter); if(iter == raw_text_buff.length() || c == '*' || c == '_') { if(sb.length() > 0) { BmFont viewer = null; String str = sb.toString(); if(open_char == '*' && null != bm_strong) { viewer = bm_strong.getViewer(str); }else if(open_char == '_' && null != bm_italic) { viewer = bm_italic.getViewer(str); }else if(null != bm_normal) { viewer = bm_normal.getViewer(str); }else { } param = new Object[2]; param[0] = str; param[1] = viewer; if(null == draw_items) draw_items = new Vector(); draw_items.addElement(param); sb = new StringBuffer(); if(open_char == 0 && (c == '*' || c=='_')) open_char = c; else open_char = 0; String test = new String(raw_text_buff.substring(iter)); // stucks here. raw_text_buff = test; iter = 0; was_reset = true; }else { open_char = c; } if(iter == raw_text_buff.length()) break; }else { sb.append(c); } ++iter; } } What I'm doing wrong?

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  • How should Application.Run() be called for the main presenter of a MVP WinForms app?

    - by Mr Roys
    I'm learning to apply MVP to a simple WinForms app (only one form) in C# and encountered an issue while creating the main presenter in static void Main(). Is it a good idea to expose a View from the Presenter in order to supply it as a parameter to Application.Run()? Currently, I've implemented an approach which allows me to not expose the View as a property of Presenter: static void Main() { IView view = new View(); Model model = new Model(); Presenter presenter = new Presenter(view, model); presenter.Start(); Application.Run(); } The Start and Stop methods in Presenter: public void Start() { view.Start(); } public void Stop() { view.Stop(); } The Start and Stop methods in View (a Windows Form): public void Start() { this.Show(); } public void Stop() { // only way to close a message loop called // via Application.Run(); without a Form parameter Application.Exit(); } The Application.Exit() call seems like an inelegant way to close the Form (and the application). The other alternative would be to expose the View as a public property of the Presenter in order to call Application.Run() with a Form parameter. static void Main() { IView view = new View(); Model model = new Model(); Presenter presenter = new Presenter(view, model); Application.Run(presenter.View); } The Start and Stop methods in Presenter remain the same. An additional property is added to return the View as a Form: public void Start() { view.Start(); } public void Stop() { view.Stop(); } // New property to return view as a Form for Application.Run(Form form); public System.Windows.Form View { get { return view as Form(); } } The Start and Stop methods in View (a Windows Form) would then be written as below: public void Start() { this.Show(); } public void Stop() { this.Close(); } Could anyone suggest which is the better approach and why? Or there even better ways to resolve this issue?

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