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  • Can't get GetModuleFileNameA to work, keep getting error 'missing type specifier...'

    - by flavour404
    Hi, I am trying to use 'GetModuleFileNameA' but I keep getting the error 'c4430: missing type specifier - int assumed'. From reading the results from my google search I am guessing that it is from my use of NULL: char Filename[MAX_PATH]; //this is a char buffer GetModuleFileNameA(NULL, Filename, sizeof(Filename)); NULL is supposedly defined in #include stdio.h which I have included in my project, what am I doing wrong? Thanks.

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  • Object as itemValue in <f:selectItems>

    - by Ehsun
    Is it possible to have objects as itemValue in tag? for example I have a class Foo: public class Foo { private int id; private String name; private Date date; } And another class Bar public class Bar { private Foo foos; } public class BarBean { private Set<Foo> foos; } Now in a Bean called BarBean I need to have a to get the Foo of the current Bar from User like this: <h:selectOneMenu value="#{barBean.bar.foo}" required="true"> <f:selectItems value="#{barBean.foos}" var="foo" itemLabel="#{foo.name}" itemValue="#{foo}" /> </h:selectOneMenu> ---------------edited: my converter: package ir.khorasancustoms.g2g.converters; import ir.khorasancustoms.g2g.persistance.CatalogValue; import java.util.ResourceBundle; import javax.faces.application.FacesMessage; import javax.faces.component.UIComponent; import javax.faces.context.FacesContext; import javax.faces.convert.Converter; import javax.faces.convert.FacesConverter; import org.hibernate.Session; import org.hibernate.SessionFactory; import org.hibernate.Transaction; import org.hibernate.cfg.Configuration; @FacesConverter("ir.khorasancustoms.CatalogValueConverter") public class CatalogValueConverter implements Converter { @Override public Object getAsObject(FacesContext context, UIComponent component, String value) { SessionFactory factory = new Configuration().configure().buildSessionFactory(); Session session = factory.openSession(); try { int id = Integer.parseInt(value); CatalogValue catalogValue = (CatalogValue) session.load(CatalogValue .class, id); return catalogValue; } catch (Exception ex) { Transaction tx = session.getTransaction(); if (tx.isActive()) { tx.rollback(); } ResourceBundle rb = ResourceBundle.getBundle("application"); String message = rb.getString("databaseConnectionFailed"); FacesContext.getCurrentInstance().addMessage(null, new FacesMessage(FacesMessage.SEVERITY_FATAL, message, message)); } finally { session.close(); } return null; } @Override public String getAsString(FacesContext context, UIComponent component, Object value) { return ((CatalogValue) value).getId() + ""; } } and my facelet: <h:outputText value="#{lbls.paymentUnit}:"/> <h:selectOneMenu id="paymentUnit" label="#{lbls.paymentUnit}" value="#{price.price.ctvUnit}" required="true"> <f:selectItems value="#{price.paymentUnits}"/> <f:converter converterId="ir.khorasancustoms.CatalogValueConverter"/> </h:selectOneMenu> <h:message for="paymentUnit" infoClass="info" errorClass="error" warnClass="warning" fatalClass="fatal"/>

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  • [.Net/Reflection] Getting the .Net corresponding type of a C# type

    - by Serious
    Hello, is there a function that, given a C# type's string representation, returns the corresponding .Net type or .Net type's string representation; or any way to achieve this. For example : "bool" - System.Boolean or "System.Boolean" "int" - System.Int32 or "System.Int32" ... Thanks. Edit : really sorry, it's not a "type to type" mapping that I wish but either a "string to string" mapping or a "string to type" mapping.

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  • How do I make a rectangle move in an image?

    - by alicedimarco
    Basically I have an image loaded, and when I click a portion of the image, a rectangle (with no fill) shows up. If I click another part of the image again, that rectangle will show up once more. With each click, the same rectangle should appear. So far I have this code, now I don't know how to make the image appear. My image from my file directory. I have already made the code to get the image from my file directory. import java.awt.Color; import java.awt.Graphics; import java.awt.event.MouseEvent; import java.awt.event.MouseListener; import javax.swing.JFrame; import javax.swing.JOptionPane; import javax.swing.JPanel; public class MP2 extends JPanel implements MouseListener{ JFrame frame; JPanel panel; int x = 0; int y = 0; String input; public MP2(){ } public static void main(String[] args){ JFrame frame = new JFrame(); MP2 panel = new MP2(); panel.addMouseListener(panel); frame.add(panel); frame.setSize(200,200); frame.setVisible(true); } public void mouseClicked(MouseEvent event) { // TODO Auto-generated method stub this.x = event.getX(); this.y = event.getY(); this.repaint(); input = JOptionPane.showInputDialog("Something pops out"); System.out.println(input); } public void mouseEntered(MouseEvent arg0) { // TODO Auto-generated method stub } public void mouseExited(MouseEvent arg0) { // TODO Auto-generated method stub } public void mousePressed(MouseEvent arg0) { // TODO Auto-generated method stub } public void mouseReleased(MouseEvent arg0) { // TODO Auto-generated method stub } public void paintComponent(Graphics g){ super.paintComponent(g); // this.setBackground(Color.white); *Sets the bg color of the panel g.setColor(new Color(255,0,0)); g.drawRect(x, y, 100, 100); } }

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  • How can I prevent a field from being copied to the client proxy in WCF RIA?

    - by Martin Doms
    Is there a metadata attribute I can use to prevent a field from being accessible on the client in a WCF RIA services? I sure I have seen this before, but I'm drawing a blank and Google isn't helping. It would look something like [MetadataType(typeof(User.UserMetadata))] public partial class User { internal sealed class UserMetadata { private UserMetadata() { } public int Id { get; set; } [HideFromClientProxy] public string PasswordSalt { get; set; } } }

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  • Help with XML SerializableDictionary in C#

    - by psilos
    Hi I am using the class public class SerializableDictionary : Dictionary, IXmlSerializable in order to serialize a dictionary. However it doesnt work when as values I have collelctions (eg List) or tyes other than the primitive types (eg. int, double, string....). My question is which types the TKey, TValue imply or can hold, and if there is way to have a serializable dictionary which collections as values.

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  • Problem with Precision floating point operation in C

    - by Microkernel
    Hi Guys, For one of my course project I started implementing "Naive Bayesian classifier" in C. My project is to implement a document classifier application (especially Spam) using huge training data. Now I have problem implementing the algorithm because of the limitations in the C's datatype. ( Algorithm I am using is given here, http://en.wikipedia.org/wiki/Bayesian_spam_filtering ) PROBLEM STATEMENT: The algorithm involves taking each word in a document and calculating probability of it being spam word. If p1, p2 p3 .... pn are probabilities of word-1, 2, 3 ... n. The probability of doc being spam or not is calculated using Here, probability value can be very easily around 0.01. So even if I use datatype "double" my calculation will go for a toss. To confirm this I wrote a sample code given below. #define PROBABILITY_OF_UNLIKELY_SPAM_WORD (0.01) #define PROBABILITY_OF_MOSTLY_SPAM_WORD (0.99) int main() { int index; long double numerator = 1.0; long double denom1 = 1.0, denom2 = 1.0; long double doc_spam_prob; /* Simulating FEW unlikely spam words */ for(index = 0; index < 162; index++) { numerator = numerator*(long double)PROBABILITY_OF_UNLIKELY_SPAM_WORD; denom2 = denom2*(long double)PROBABILITY_OF_UNLIKELY_SPAM_WORD; denom1 = denom1*(long double)(1 - PROBABILITY_OF_UNLIKELY_SPAM_WORD); } /* Simulating lot of mostly definite spam words */ for (index = 0; index < 1000; index++) { numerator = numerator*(long double)PROBABILITY_OF_MOSTLY_SPAM_WORD; denom2 = denom2*(long double)PROBABILITY_OF_MOSTLY_SPAM_WORD; denom1 = denom1*(long double)(1- PROBABILITY_OF_MOSTLY_SPAM_WORD); } doc_spam_prob= (numerator/(denom1+denom2)); return 0; } I tried Float, double and even long double datatypes but still same problem. Hence, say in a 100K words document I am analyzing, if just 162 words are having 1% spam probability and remaining 99838 are conspicuously spam words, then still my app will say it as Not Spam doc because of Precision error (as numerator easily goes to ZERO)!!!. This is the first time I am hitting such issue. So how exactly should this problem be tackled?

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  • Incorrect syntax near the keyword 'select' while execuing query

    - by sam
    I am getting Incorrect syntax near the keyword 'select' after executing the following code. declare @c int SELECT @c = COUNT(*) FROM (select id, max(date_stored) from table B INNER JOIN table P ON B.id = P.id where id = 3) select @c I want to select total no of records having max stored dates in database. Can any one plz tell what I am doing wrong

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  • Call main() itself in c++?

    - by Mask
    int main() { cout << "!!!Hello World!!!" << endl; // prints !!!Hello World!!! system("pause"); return main(); } The above works,but it hardcoded the main(),is there a magic variable to get the current running function?

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  • Associating enums with strings in C#

    - by boris callens
    I know the following is not possible because it has to be an int enum GroupTypes { TheGroup = "OEM", TheOtherGroup = "CMB" } From my database I get a field with incomprehensive codes (the OEM and CMB's). I would want to make this field into an enum or something else understandable. Because the target is readability the solution should be terse. What other options do I have?

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  • 'Timeout Expired' error against local SQL Express on only 2 LINQ Methods...

    - by Refracted Paladin
    I am going to sum up my problem first and then offer massive details and what I have already tried. Summary: I have an internal winform app that uses Linq 2 Sql to connect to a local SQL Express database. Each user has there own DB and the DB stay in sync through Merge Replication with a Central DB. All DB's are SQL 2005(sp2or3). We have been using this app for over 5 months now but recently our users are getting a Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding. Detailed: The strange part is they get that in two differnt locations(2 differnt LINQ Methods) and only the first time they fire in a given time period(~5mins). One LINQ method is pulling all records that match a FK ID and then Manipulating them to form a Heirarchy View for a TreeView. The second is pulling all records that match a FK ID and dumping them into a DataGridView. The only things I can find in common with the 2 are that the first IS an IEnumerable and the second converts itself from IQueryable - IEnumerable - DataTable... I looked at the query's in Profiler and they 'seemed' normal. They are not very complicated querys. They are only pulling back 10 - 90 records, from one table. Any thoughts, suggestions, hints whatever would be greatly appreciated. I am at my wit's end on this.... public IList<CaseNoteTreeItem> GetTreeViewDataAsList(int personID) { var myContext = MatrixDataContext.Create(); var caseNotesTree = from cn in myContext.tblCaseNotes where cn.PersonID == personID orderby cn.ContactDate descending, cn.InsertDate descending select new CaseNoteTreeItem { CaseNoteID = cn.CaseNoteID, NoteContactDate = Convert.ToDateTime(cn.ContactDate). ToShortDateString(), ParentNoteID = cn.ParentNote, InsertUser = cn.InsertUser, ContactDetailsPreview = cn.ContactDetails.Substring(0, 75) }; return caseNotesTree.ToList<CaseNoteTreeItem>(); } AND THIS ONE public static DataTable GetAllCNotes(int personID) { using (var context = MatrixDataContext.Create()) { var caseNotes = from cn in context.tblCaseNotes where cn.PersonID == personID orderby cn.ContactDate select new { cn.ContactDate, cn.ContactDetails, cn.TimeSpentUnits, cn.IsCaseLog, cn.IsPreEnrollment, cn.PresentAtContact, cn.InsertDate, cn.InsertUser, cn.CaseNoteID, cn.ParentNote }; return caseNotes.ToList().CopyLinqToDataTable(); } }

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  • Way to get unsigned char into a std::string without reinterpret_cast?

    - by WilliamKF
    I have an unsigned char array that I need in a std::string, but my current way uses reinterpret_cast which I would like to avoid. Is there a cleaner way to do this? unsigned char my_txt[] = { 0x52, 0x5f, 0x73, 0x68, 0x7e, 0x29, 0x33, 0x74, 0x74, 0x73, 0x72, 0x55 } unsigned int my_txt_len = 12; std::string my_std_string(reinterpret_cast<const char *>(my_txt), my_txt_len);

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  • Structures not working correctly?

    - by booby
    Fraction AddFractions(const Fraction& frac1, const Fraction& frac2) { Fraction frac3; if (frac1.denom == frac2.denom) { frac3.num = frac1.num + frac2.num; frac3.denom = frac1.denom; } else { frac3.denom = (frac1.denom * frac2.denom); frac3.num = (frac1.num * frac2.denom) + (frac2.num * frac1.denom); } return frac3; } This is my prototype and there is a structure defined as Fraction with int num and int denom when I call the function it just gives me back garbage? I don't know what's wrong with it. Please help. =( cout << "Please enter two Fractions" << endl; cout << endl; GetFraction(frac1); cout << "Your fisrt fraction is: "; PrintFraction(frac1); cout << endl; cout << endl; GetFraction(frac2); cout << "Your second fraction is: "; PrintFraction(frac2); cout << endl; do { choice1 = MathMenu(); if (choice1 == ErrorOpt) { cout << "There was an error with what you have entered" << endl; } else if(choice1 != QuitOpt) { // do the math options switch (choice1) { case AddOpt: AddFractions(frac1, frac2); break; case SubtractOpt: SubtractFractions(frac1, frac2); break; case MultiplyOpt: MultiplyFractions(frac1, frac2); break; case DivideOpt: DivideFractions(frac1, frac2); break; } //print the results PrintFraction(frac1); PrintMathOption(choice1); PrintFraction(frac2); cout << " = "; Standardize(frac3); Reduce(frac3); PrintFraction(frac3); cout << endl; Pause();

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  • How can I update a Jtextarea once? (mysql side-?)

    - by user1294196
    Ok what I've been trying to do is figure out how to make it so when I press the search button on my program the code that is currently just being printed to the console will print to the text area I have. I can't figure out how to do this and I've searched google and still found no answer. And while I'm at it if anyone could help me figure out how to send this same line of information to a mysql database that would help greatly. package GTE; import java.awt.EventQueue; public class GTE { private JFrame frmGte; public String hashq = "..."; public String twtresults; public int refresh = 1; public static void main(String[] args) { java.awt.EventQueue.invokeLater(new Runnable() { public void run() { try { GTE window = new GTE(); window.frmGte.setVisible(true); } catch (Exception e) {} } }); } /** * Create the application. * @throws IOException * @throws FontFormatException */ public GTE(){ try { initialize(); } catch (FontFormatException e) {} catch (IOException e) {} } /** * Initialize the contents of the frame. * @throws IOException * @throws FontFormatException */ private void initialize() throws FontFormatException, IOException { frmGte = new JFrame(); frmGte.setResizable(false); frmGte.setTitle("GTE"); frmGte.setBounds(100, 100, 450, 390); frmGte.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); GridBagLayout gridBagLayout = new GridBagLayout(); gridBagLayout.columnWidths = new int[]{434, 0}; gridBagLayout.rowHeights = new int[]{21, 0, 0, 0, 0, 0, 0, 0, 0}; gridBagLayout.columnWeights = new double[]{0.0, Double.MIN_VALUE}; gridBagLayout.rowWeights = new double[]{0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, Double.MIN_VALUE}; frmGte.getContentPane().setLayout(gridBagLayout); JLabel GTETitle = new JLabel("Personal Tweet Extractor"); InputStream is = this.getClass().getResourceAsStream("ultraviolentbb_reg.ttf"); Font GTEFont = Font.createFont(Font.TRUETYPE_FONT,is); Font f = GTEFont.deriveFont(24f); GTETitle.setFont(f); GTETitle.setHorizontalAlignment(SwingConstants.CENTER); GridBagConstraints gbc_GTETitle = new GridBagConstraints(); gbc_GTETitle.insets = new Insets(0, 0, 5, 0); gbc_GTETitle.anchor = GridBagConstraints.NORTH; gbc_GTETitle.fill = GridBagConstraints.HORIZONTAL; gbc_GTETitle.gridx = 0; gbc_GTETitle.gridy = 0; frmGte.getContentPane().add(GTETitle, gbc_GTETitle); Label label_2 = new Label("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"); GridBagConstraints gbc_label_2 = new GridBagConstraints(); gbc_label_2.insets = new Insets(0, 0, 5, 0); gbc_label_2.gridx = 0; gbc_label_2.gridy = 1; frmGte.getContentPane().add(label_2, gbc_label_2); JLabel SearchTweets = new JLabel("Search For Tweets With" + hashq + ":"); GridBagConstraints gbc_SearchTweets = new GridBagConstraints(); gbc_SearchTweets.insets = new Insets(0, 0, 5, 0); gbc_SearchTweets.gridx = 0; gbc_SearchTweets.gridy = 2; frmGte.getContentPane().add(SearchTweets, gbc_SearchTweets); JLabel label = new JLabel("#"); GridBagConstraints gbc_label = new GridBagConstraints(); gbc_label.insets = new Insets(0, 0, 5, 0); gbc_label.gridx = 0; gbc_label.gridy = 3; frmGte.getContentPane().add(label, gbc_label); JButton Search = new JButton("Start Search"); Search.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent evt) { TS(hashq); GTE.this.refresh = 0; try { nulll dialog = new nulll(); dialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE); dialog.setVisible(true); } catch (Exception e) {} } public void TS(String hashtag){ Twitter twitter = new TwitterFactory().getInstance(); try { System.out.println(hashtag); QueryResult result = twitter.search(new Query("#" + hashtag)); List<Tweet> tweets = result.getTweets(); for (Tweet tweet : tweets) { System.out.println("@" + tweet.getFromUser() + " : " + tweet.getText()); GTE.this.twtresults = ("@" + tweet.getFromUser() + " : " + tweet.getText()); } } catch (TwitterException te) { te.printStackTrace(); System.out.println("Failed to search tweets: " + te.getMessage()); System.exit(-1); } } }); TextField textField = new TextField(); textField.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent evt) { GTE.this.hashq = evt.getActionCommand(); } }); GridBagConstraints gbc_textField = new GridBagConstraints(); gbc_textField.ipadx = 99; gbc_textField.insets = new Insets(0, 0, 5, 0); gbc_textField.gridx = 0; gbc_textField.gridy = 4; frmGte.getContentPane().add(textField, gbc_textField); GridBagConstraints gbc_Search = new GridBagConstraints(); gbc_Search.insets = new Insets(0, 0, 5, 0); gbc_Search.gridx = 0; gbc_Search.gridy = 5; frmGte.getContentPane().add(Search, gbc_Search); Label label_1 = new Label("Search Results For Tweets With"); GridBagConstraints gbc_label_1 = new GridBagConstraints(); gbc_label_1.insets = new Insets(0, 0, 5, 0); gbc_label_1.gridx = 0; gbc_label_1.gridy = 6; frmGte.getContentPane().add(label_1, gbc_label_1); TextArea textArea = new TextArea(); textArea.setText(twtresults); textArea.setEditable(false); GridBagConstraints gbc_textArea = new GridBagConstraints(); gbc_textArea.gridx = 0; gbc_textArea.gridy = 7; frmGte.getContentPane().add(textArea, gbc_textArea); JMenuBar menuBar = new JMenuBar(); frmGte.setJMenuBar(menuBar); JMenu Filemenu = new JMenu("File"); menuBar.add(Filemenu); JMenuItem Exititem = new JMenuItem("Exit"); Exititem.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent evt) { System.exit(0); } }); Filemenu.add(Exititem); JMenu Helpmenu = new JMenu("Help"); menuBar.add(Helpmenu); JMenuItem Aboutitem = new JMenuItem("About"); Helpmenu.add(Aboutitem); } }

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  • print TCHAR[] on console

    - by hara
    Hi I'm quite sure that it is a stupid issue but it drives me crazy.. how could i print on the console a TCHAR array? DWORD error = WSAGetLastError(); TCHAR errmsg[512]; int ret = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, 0, error, 0, errmsg, 511, NULL); i need to print errmsg...

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  • Initializing a C++ vector to random values... fast

    - by Flamewires
    Hey, id like to make this as fast as possible because it gets called A LOT in a program i'm writing, so is there any faster way to initialize a C++ vector to random values than: double range;//set to the range of a particular function i want to evaluate. std::vector<double> x(30, 0.0); for (int i=0;i<x.size();i++) { x.at(i) = (rand()/(double)RAND_MAX)*range; } EDIT:Fixed x's initializer.

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  • Error building QtDeclarative with Qt 4.6.2 on Mac OS X

    - by Viet
    I tried hard to build QtDeclarative with Qt 4.6.2 on Mac OS X (Leopard) and did lots of Googling without finding any cure. Could anyone please help to solve this problem? Thanks. Here goes the error: Undefined symbols: "QObjectPrivate::isSignalConnected(int) const", referenced from: QmlGraphicsKeysAttachedPrivate::isConnected(char const*)in qmlgraphicsitem.o QmlGraphicsMouseRegionPrivate::isConnected(char const*)in qmlgraphicsmouseregion.o ld: symbol(s) not found collect2: ld returned 1 exit status make: *** [.obj/QtDeclarative.framework/QtDeclarative] Error 1

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