How to translate this statement to java servlet code

INSERT INTO table_name (column1, column2,...)
VALUES (value1, value2,....)

You wouldn't translate that statement to servlet code. The idea doesn't make any sense. However you might include it in a servlet; read the tutorial that zadok linked to.

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How to understand this statement?
What is a zero-parameter public constructor
<key-partitioning/class-name>: Specifies the name of a class that implements the com.tangosol.net.partition.KeyPartitioningStrategy interface. This implementation must have a zero-parameter public constructor.

It is a public constructor that doesn't take any parameters. See the following simple class.
public class Platypus
public Platypus() {} //public constructor with no arguments
}

The volume keys on my Logitech K760 wireless keyboard do not work with my 2.3 GHz, Intel Core i5 Mac mini which runs Mac OS X 10.7.4. Anyone know how to correct this without having to re-code firmware?

My first post to the Apple Support Community so it looks like all I wanted to know is covered in the title. The research I have done led me to solutions that I am not comfortable trying for fear of irreparably damaging my keyboard and/or Mac mini. Does anyone have a simpler solution? Please? Hellooooo?
Just in case the title is too long to show, I have re-pasted here:
The volume keys on my Logitech K760 wireless keyboard do not work with my 2.3 GHz, Intel Core i5 Mac mini which runs Mac OS X 10.7.4. Anyone know how to correct this without having to re-code firmware?

BDAqua wrote:
Hello & welcome to the Forums!
I think Spark cured this for another person and the same problem...
http://www.shadowlab.org/Software/spark.php
http://scripts.sil.org/cms/scripts/page.php?site_id=nrsi&id=ukelele
http://doublecommand.sourceforge.net/
Thank you for the response. Unfortunately, I could not figure out how to work the above applications. I thought that i had managed to assign the appropriate function keys in Spark to their volume counterparts, but it had no effect. Below is a screen shot. Do you see anything amiss?

How to save the user-defined Java source code

Would you please tell me how to download all of the java source code in one software component.

UDFs can be exported one by one as a .mte file...not at one go...

How to embed URL of deployed java servlet into Android code

I have deployed my servlet code on cloud which access the database cloud , but when i try to access the URL of deployed application , it asks for my credentials (username and password)....
Now that i want to embedd my servlet link on cloud to my android app code , how to escape the credentials , or is their any way so that i can add my username and password in my servlet code itself. This is my servlet code and it is working fine..
Context ctx = null;
        Hashtable ht = new Hashtable();
        ht.put(Context.INITIAL_CONTEXT_FACTORY, "weblogic.jndi.WLInitialContextFactory");
        Connection conn = null;
        Statement stmt = null;
        ResultSet rs = null;
        // out.print("system");
        try {
            ctx = new InitialContext(ht);
            javax.sql.DataSource ds = (javax.sql.DataSource) ctx.lookup("javatrial5196db");
          // out.print(ds.toString());
            conn = ds.getConnection();
            stmt = conn.createStatement();
            rs = stmt.executeQuery("select * from test");
            while (rs.next()) {
                out.println(rs.getString("id") + "   " + rs.getString("password") + "<br>");
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            stmt.close();
        } catch (Exception e) {
            out.print(e);

What is the intended behavior here, how will the user be authenticated if credentials are not obtained from the user ? By default the JCS applications will be secured and the system will prompt for login, you can disable the login by adding "<login-config/>". You can also configure the authentication to use BASIC / FORM authentication instead. Hard coding credentials to servlet / DB table does not sound like a good solution to me though.. For details on security refer to this document.
Jani Rautiainen
Fusion Applications Developer Relations
https://blogs.oracle.com/fadevrel/

How to create dynamic images in java servlets?

I want to create dynamic images in java servlet. Can servlet create dynamic images that based on the input data files? The results can be displayed in GIF, JPG..format? how can this be done? any example in internet?
What OS do I need to install and what other requirements needed if i want to build up a servlet server?
Thanks a lot!

Also worth having a look at SVG http://www.w3.org/TR/2001/REC-SVG-20010904/, you can get a viewer at http://www.adobe.com/svg/ or you can use Batik http://xml.apache.org/batik/index.html to convert SVG to other formats such as JPEG.
HH

How to Call SQL Loader from Java ( servlet )?

We need to call SQL Loader command from Java Servlets? Any suggestions how this can be done?
Thanks
Rahul

Probably not the best way, but you could try using JNI to call a C function which then invokes SQL Loader via system() or exec(). I haven't done this myself though...

How can i use twain from java servlet?

dear all
iam a web developer ,iam haviving now a task to search in point pf scanning image through web (Intranet) using java
can any one tell where can i find resources how to deal with Twain using java (On web specially not from a desktop application)
i hope u can help me
Thanks in advance
Yours,
Amr
Senior Java Web developer

Hi,
You can try a package named: JTwain, which is available at http://asprise.com/product/jtwain.
JTwain supports all kinds of digital cameras and scanners. You can use Java to access, contorl digital cameras and scanners, and of course, to acquire images with flexible settings.
The developers' guide is available @ http://asprise.com/product/jtwain/devGuide.php
In the simplest case, one line of Java code can solve your problem.
Good luck!

What is wrong with the following Java servlet code that downloads files?

Hi,
I need urgent help.
This is the issue. I have a JSP code that calls a Java servlet class. This class is used to download files from the JSP page. The following is the piece of code that does the file download.
String pathOfFile = gsPath + "/" + gsFileName.substring(gsFileName.indexOf("~")+1);
File F = new File(pathOfFile);
res.setContentType("application/stream");
res.setHeader("Content-Disposition", "attachment; filename=" +gsFileName.trim());
This code works just fine with IE. However, when this is used with Netscape, the class name gets added to the original file name extension. For example, if the class name is 'FileRetriever' and the file being downloaded is originally named 'a.doc', the file gets a name of 'a.doc.FileRetriever' after download using Netscape or Mozilla.
One way to solve this is by adding the appropriate file type in the MIME settings in browser preference. However, this not a permanent solution.
Can somebody let me know the correct code to fix this issue?
Thanks for your time.

We loose control of the file name once we pass the original file name to the input stream. When our code instructs Netscape to write the file on the local disk using an output stream, that is when Netscape/Mozilla adds this additional extension to the original file. So, essentially, we do not know about this additional extension.
Any ideas on how to resolve this?
Thanks.

How to write this sql query in php code ?

for example:
insert into temp
select *
from testtable;
after this, i will query data from sql below:
select *
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how to write this php code ?
who can help me ?
thanks!

Have a look at the manual to find out how to issue queries.
http://us3.php.net/oci8

How to translate Function text matching to fucntion code?

I try to translate Function text matching to Function code in GUI status?
Is there any way you know how to solve it?

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INSERT INTO statement in java servlet.

Hiya
Was wondering if anyone knew how to use variables from an html form into a sql insert into statement? The constants work ok below, its just getting the variables to work.
//constants work ok.
rs = stmt.executeQuery("INSERT INTO ACCOUNTS " + " VALUES ('un', 'test2', 'test2', 'test2', 'test', 'test', 'test', 'test', 'test')");
//doesn't do anything no errors.
rs = stmt.executeQuery("INSERT INTO ACCOUNTS " + " VALUES ( '"+uname+"', " + " '"+fname+"', " + " '"+sname+"'," + "'"+address1+"'," + "'"+address2+"'," + "'"+town+"'," + "'"+county+"'," + "'"+postcode+"')");

<html>
<head>
<title>
CreateAccount
</title>
</head>
<body>
<form method=get action=/servlet/website.CreateAccount>
<p> Username:
<input type=text name="username"> </p>
<p> Password:
<input type=text name="password"> </p>
<p> First Name:
<input type=text name="firstname"> </p>
<p> Surname:
<input type=text name="surname"> </p>
<p> 1st Line of Address:
<input type=text name="1address"> </p>
<p> 2nd Line of Address:
<input type=text name="2address"> </p>
<p> Town:
<input type=text name="town"> </p>
<p> County:
<input type=text name="county"> </p>
<p> Postcode:
<input type=text name="postcode"> </p>
<input type=submit>
</form>
</body>
</html>
package website;
import java.io.*;
import java.sql.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class CreateAccount extends HttpServlet {
private static final String CONTENT_TYPE = "text/html";
/**Initialize global variables*/
public void init(ServletConfig config) throws ServletException {
    super.init(config);
/**Process the HTTP Get request*/
public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
    ResultSet rs = null;
    Connection con = null;
    res.setContentType("text/html");
    PrintWriter out = res.getWriter();
    //get the variables entered in the form
    String uname = req.getParameter("username");
    String pwd = req.getParameter("password");
    String fname = req.getParameter("firstname");
    String sname = req.getParameter("surname");
    String address1 = req.getParameter("1address");
    String address2 = req.getParameter("2address");
    String town = req.getParameter("town");
    String county = req.getParameter("county");
    String postcode = req.getParameter("postcode");
    try {
      // Load the database driver
      Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
      // Get a Connection to the database
      con = DriverManager.getConnection("jdbc:odbc:account", "", "");
      //Add the data into the database
try
            String sql = "INSERT INTO ACCOUNTS " + " VALUES (?,?,?,?,?,?,?,?)";
            PreparedStatement statement = con.prepareStatement(sql);
            statement.setString(1, uname);
            statement.setString(2, fname);
            statement.setString(3, sname);
            statement.setString(4, address1);
            statement.setString(5, address2);
            statement.setString(6, town);
            statement.setString(7, county);
            statement.setString(8, postcode);
            int numRowsChanged = statement.executeUpdate(sql);
            statement.close();
//Statement stmt = null;
//stmt = con.createStatement();
//Create a Statement object
//constants work ok.
//rs = stmt.executeQuery("INSERT INTO ACCOUNTS " + " VALUES ('uname', 'test2', 'test2', 'test2', 'test', 'test', 'test', 'test', 'test')");
catch (Exception e)
      // show that the new account has been created
      out.println("<p> New account created: </p>");
      out.println(" '"+uname+"'");
    catch(ClassNotFoundException e) {
      out.println("Couldn't load database driver: " + e.getMessage());
    catch(SQLException e) {
      out.println("SQLException caught: " + e.getMessage());
    finally {
      // Always close the database connection.
      try {
        if (con != null) con.close();
      catch (SQLException ignored) { }
}ok now the regular statement with constant values inserts data into the database (the regular statement is being used with a result set ) but the prepared statement does not - there are no error messages but it does not insert any data either. The data is going into the variables due to the system.out.println, but is it going into the prepared statement? I believe the prepared statement is being executed with the executeupdate method.

How to run and compile a java servlet on Tomcat?

Hi, I am very new to servlets in Tomact.
I went to the java tutorial and from the address below I copy an example (SimpleServlet).I try to run and compile it in Tomcat, But I don't know how can I do that. I appreciate if somebody tell me the command line for compiling and running this example and the necassary steps. (My Tomcat is installed perfactly).
http://java.sun.com/docs/books/tutorial/servlets/overview/simple.html
Thankx

Hello,
I have the similar question.
Instead of going thru sun's tutorial, I tried onjava's ("http://www.onjava.com/pub/a/onjava/2001/04/19/tomcat.html?page=1").
I could see the jsp page, but when I tried to add a servlet, I got an error "Page not found". I followed exactly the same way they describe. The only thing I noticed was the resulting page on the tutorial had the URL of ".../servlet/...".
Is this "servlet" directory something we are supposed to create our own? If so, under what directory? Or do we need to set up anything in order for the servlet to be referenced that way?
Thanks in advance.

How to implement this function in JSP/Servlet env?

Hi all,
I working on a project, it provides functionality to upload file using JSP/Servlet. In the first JSP page, there is file location and submit button. After user select a file to upload and click submit button, a message, like "sending file to XXXX", will be shown on the screen. Once uploading and validation are done on the server-side, a successful/error msg will be shown to user.
Here I have a question for the "sending..." msg and the successful/error msg. They should be put in one jsp page or in two separate page? how to implement them?
Thanks for any help!
Tranquil

For the sending message... Well, the thing is, when you click submit, it's sending the file to the server and the server is processing it, and this is all done before the "complete" page is sent to the server. So one would need to use some Javascript on the page before the actual submit happens to show some message. This is done on Ebay when you put something for sale, you can upload an image, and there is a little popup message telling you that it's uploading, and it is removed when the process is done. Now, I'm not sure the exact details of how this works, but my educated guess is this:
1) The onsubmit function of the form checks that the file upload fields have a value (no need to popup a message if no file upload, since that's what usually takes the time, although it could just be assumed there is a file). If a file is to be uploaded, or just want to show the message anyway, a new popup window is opened with the window.open method and the "sending" message is shown (either written via Javascript or just load a small web page to the window).
2) The popup window, since you can't transfer the window object from the form page to the next page, has to check window.opener for some value that the success/error page would have to set. The success/error page could use it's body onload function to set a variable in it's own window object to denote that the page is loaded. The popup window can use a looping check using setTimeout or setInterval in Javascript to check for window.opener.isLoadedVariable to be present, and if so, close itself.
I've never done that, but I see no reason why it wouldn't work.

How exactly does this work? (Java 2D)

http://www.dgp.toronto.edu/~mjmcguff/learn/java/01-drawingLines/It draws green lines... I know where it starts drawing them at but I don't get how it's doing it...
    import java.applet.*;
    import java.awt.*;
    // The applet's class name must be identical to the filename.
    public class DrawingLines extends Applet {
       // Declare two variables of type "int" (integer).
       int width, height;
       // This gets executed when the applet starts.
       public void init() {
          // Store the height and width of the applet for future reference.
          width = getSize().width;
          height = getSize().height;
          // Make the default background color black.
          setBackground( Color.black );
       // This gets executed whenever the applet is asked to redraw itself.
       public void paint( Graphics g ) {
          // Set the current drawing color to green.
          g.setColor( Color.green );
          // Draw ten lines using a loop.
          // We declare a temporary variable, i, of type "int".
          // Note that "++i" is simply shorthand for "i=i+1"
          for ( int i = 0; i < 10; ++i ) {
             // The "drawLine" routine requires 4 numbers:
             // the x and y coordinates of the starting point,
             // and the x and y coordinates of the ending point,
             // in that order. Note that the cartesian plane,
             // in this case, is upside down (as it often is
             // in 2D graphics programming): the origin is at the
             // upper left corner, the x-axis increases to the right,
             // and the y-axis increases downward.
             g.drawLine( width, height, i * width / 10, 0 );
    }the g.drawLine(width, height, i * width / 10, 0);width/height is the location... So now the i * width / 10. Every time the i increments a new 'sum' for this is created and it draws itself a new line? then the 0... what is that doing just a filler?

The last 0 means the "y" position of zero, i.e., the top of the screen, the i * width / 10 is a 1/10th slice of the width of the applet, so each time i increments the x ending position will move 1/10 th of the applet's width over. Yes, you should study the API. This prog is even better (try running both and resizing both):
import java.applet.*;
import java.awt.*;
public class DrawingLines extends Applet
    int width, height;
    public void init()
        setBackground(Color.black);
    public void paint(Graphics g)
        width = getSize().width;
        height = getSize().height;
        g.setColor(Color.green);
        for (int i = 0; i < 10; ++i)
            g.drawLine(width, height, i * width / 10, 0);
}Edited by: Encephalopathic on Mar 31, 2008 3:47 PM

How to translate this statement to java servlet code

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