java-programmer >>Announce: A new open source O/R mapping tool

Announce: A new open source O/R mapping tool

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- 1
  - Outsourcing to India and Chinayeah there was a philosopher back in the 60s by the name of
    thornkinson (god i hope that's right) but he went into detail on how
    society will eventually solve all its problems through efficient
    technology. he supposed built a vehicle that can do like 50mpg back
    then.
    
    the light bulb is an interesting question tho. its horribly
    inefficient. hasn't changed since edison created it. its used by
    literally everyone. you would think someone would realize the
    potential in mass producing something better..
    
    however i don't think its physically possible to heat a home using 3
    lightbulbs. besides a lightbulb mostly creates heat.
    
    Roedy Green <email***@***.com> wrote in message news:<email***@***.com>...
    > On 8 Jan 2004 09:19:43 -0800, email***@***.com (Loco
    > Pollo) wrote or quoted :
    >
    > >it would take 7 planet earths to support
    > >everyone with this wasteful lifestyle because we are on the whole
    > >inefficient with our resources.
    >
    > The problem is we have some habits left over from our cave man days
    > documented by Thorsten Veblen in the Theory Of The Leisure Class (a
    > very funny book published in 1899).
    > http://www.amazon.com/exec/obidos/ASIN/0140187952/canadianmindprod
    >
    > We like to impress each other with conspicuous consumption and
    > conspicuous waste.
    >
    > Somehow, we must come to equate status with efficient and parsimonious
    > use of resources.
    >
    > I was horrified to learn that the technology to build a house in
    > Canada that can be heated with a single light bulb costs only a few
    > thousand dollars extra, yet almost no one takes advantage of it.
    >
    > Yet the houses built today will NEED that technology to be practical
    > after the age of oil.
    >
    > We are like castaways on a desert island, deciding to have a feast on
    > whatever washed ashore, before we have any plan to live off the land.
- 4
  - How to invoke jar cammand in the java source code?How to invoke jar cammand in the java source code?
    I want to click a button that invoke jar command zip selected item to
    a .zip package.
    Thankx!
- 8
  - J2EE archirecht sitesHello,
    
    Any URLs for J2EE architecht sites?
- 8
  - ｗhat is Xerces,XSLT,Crimson ?regards:
    
    ｗhat is Xerces,XSLT,Crimson ?
    How to use it? could someone good give me a hand @@.
    
    Thank you.
    May god be with you.
- 8
  - java does not runThis is a multi-part message in MIME format.
    
    Hi folks,
    
    Downloaded the latest XP updates and the java stopped working(?) When I load a page with j.s. it doesn't run ie menumachine shows up in the source code but my computer does not display it.
    
    IE.>tools>internet options>advanced and Java Console enabled and JIT compiler for virtual machine enabled
    
    Any help would be appreciated.
    
    Dave
    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
    <HTML><HEAD>
    <META http-equiv=Content-Type content="text/html; charset=iso-8859-1">
    <META content="MSHTML 6.00.2800.1276" name=GENERATOR>
    <STYLE></STYLE>
    </HEAD>
    <BODY bgColor=#ffffff>
    <DIV><FONT face=Arial>Hi folks,</FONT></DIV>
    <DIV><FONT face=Arial></FONT> </DIV>
    <DIV><FONT face=Arial>Downloaded the latest XP updates and the java stopped
    working(?) When I load a page with j.s. it doesn't run ie menumachine shows
    up in the source code but my computer does not display it. </FONT></DIV>
    <DIV><FONT face=Arial></FONT> </DIV>
    <DIV><FONT face=Arial>IE.>tools>internet options>advanced and Java
    Console enabled and JIT compiler for virtual machine enabled</FONT></DIV>
    <DIV><FONT face=Arial></FONT> </DIV>
    <DIV><FONT face=Arial>Any help would be appreciated.</FONT></DIV>
    <DIV><FONT face=Arial></FONT> </DIV>
    <DIV><FONT face=Arial>Dave</FONT></DIV></BODY></HTML>
- 9
  - Using Java with Dual & Quad Processors.I have a function which I call using for loop. I want that when My
    Java program is run on Dual Core its speed increases by twice and when
    it run on Quad core its speed increase 4 time.
    
    Here is the Code I am using.
    
    const NUMBER=1000;
    Public int int_x;
    Public int[] Array1= new int[NUMBER];
    
    init (){
    for (int i=0;i<NUMBER;i++){
    
    function_abc(i);
    }
    }
    
    // function_abc returns same value for a given Value of "i".
    
    function_abc(int i){
    int_x++;
    ...
    ...
    ...
    Array1[i]=i*5+int_x;
    }
    
    So in the end we get an Array[i] with the formula values. On a single
    processor it goes through all the for loop in NUMBER times.
    
    I want on Dual Core the Performance doubles by using Threads. So
    function_abc(i); is Called in multiple threads and Speed increases X
    times depending on number of X Processors the System has.
    
    How can it be done, any idea.
    
    So for Single Core it will have no spped increase.
    
    For Dual Core Twice Speed
    
    For Quad Core 4 Times speed is seen.
    
    Bye
    Sanny
- 9
  - javadoc to ms word docAnyone got some tips to ease the conversion from javadoc to ms Word?
    
    I've got the source code, I can produce html and yes ms word does understand
    html, but its a laborious process with 50 files. And the html tables never
    fit the width correctly.
    
    Any tools to javadoc straight from source to ms .doc ?
    
    TIA
    --
    Mike W
- 10
  - processMouseEvent()
    MouseDown() and MouseUp() are deprecated; both have been replaced by
    processMouseEvent()... how can this be? (two diff. methods replaced by
    same method..)
    
    http://java.sun.com/j2se/1.5.0/docs/api/java/awt/Component.html#mouseDown(java.awt.Event,%20int,%20int)
    
    thank you..
    
    Frances
- 11
  - Trying to put a background image in a JFrameTrying to put a background image in a JFrame
    
    I have looked this issue up and found that extending JPanel and
    specifying a paintComponent() is one possibility. I haven't tried this
    yet (and a different task popped up for today).
    
    However, I thought that using the JFrames JRootPane or JLayeredPane
    could be less a hassle. Well, it's not really, but I'm curious if this
    could be solved.
    
    Get the whole NetBeans project with a compiled jar (49kB zip file) here
    [1]. Please don't use the image for yourself, or my boss will kill me.
    
    What happens is that the image (with transparent areas) is painted
    infront of components instead of behind. Actually, when I first start
    the application, the image is infront of one button and behind the
    other. Moving the mouse over a button brings it to front, resizing the
    window will put all components behind the image.
    
    By the way, in the final project, the window will not be resizable,
    although I would appreciate some hint towards catering for the image
    being anchored to the lower right corner aswell.
    
    [1] http://www.op3racional.eu/x/LayerTest.zip
    --
    Sabine Dinis Blochberger
    
    Op3racional
    www.op3racional.eu
- 11
  - tablet stylus as graphicI am wondering if there is a simple applet somewhere, which I could embed in
    an html form, such that on a tablet pc, using the tablet's
    stylus, sign in some field, that field then, rather than being converted to
    text(as is typical in tablets) is then maintained as an image, then, the
    form is posted to a mysql database where the image of the signature is
    retained as such.
    
    Does anyone know of such an animal, or even something remotely like this?
    Thanks, Ike
- 12
  - new version of Open Content Software Design web bookI have an updated version of my Software Design web
    book (free!) that is primarily Java centric. This
    web book is not as complete as my "Java AI" and "Introduction
    to Common LISP" web books, but it is hopefully in a usable
    state as-is. I am especially looking for feedback
    on how to improve it (the Common LISP community was
    awesome in providing great feedback for the free LISP
    book - can the Java community do the same :-)
    
    Help yourself (on the 'Free Web Books" page):
    
    http://www.markwatson.com
    
    -Mark
- 15
  - reflect fieldHi all,
    
    I want to get value of string variable in a class, and field it with
    new strings like this :
    
    EXample
    
    public class helloWold()
    {
    String myString1 = "test1";
    String myString2 = "test2";
    String myString3 = "test3";
    String myString4 = "test4";
    }
    
    public static void main(String[] args) {
    Field myField[] = helloWold().class.getFields();
    
    for (int i = 0; i < myField.length; i++)
    {
    System.out.println(myField[i].getName()); //get value
    }
    }
    
    Actually I get the value, but i didn't know how to field it. I try the
    method set but i have an error
    'an not set java.lang.String field to java.lang.String'
    
    Any ideas
    
    Thanks.
    
    Merci d avoir lu et de vos idees par avance
- 15
  - Java - Awareness of other programs installed on PCIs there way in JAVA to access information about the installed
    programs on the PC. I mean somehow you could grab some information
    about all items in (lets say for windows) the Start-Programs.
    Thanks for ur help
- 16
  - Polymorphism in JavaHi Friends,
    
    Don't missout on these articles on design techniques:
    
    Polymorphism in Java:
    http://javalive.com/modules/articles/article.php?id=19
    
    The Factory Design Pattern:
    http://javalive.com/modules/articles/article.php?id=18
    
    Effective use of Interfaces and Abstract Classes:
    http://javalive.com/modules/articles/article.php?id=17
    
    Why ORM Tools are not Recommended:
    http://javalive.com/modules/articles/article.php?id=16
    
    How to Estimate Project Deadlines:
    http://javalive.com/modules/articles/article.php?id=14
    
    Regards,
    Vijay
- 16
  - i'm makin traxc!!!... got it in the box.
    trying to use simpldateformatter but
    can't find examples on the net.
    
    ... i don't understand what and where it returns its
    output??? is there a variable return. the examples show no calls???
    
    k
    
    --
    Sometimes I'm in a good mood.
    Sometimes I'm in a bad mood.
    When all my moods have cum to pass
    i hope they bury me upside down
    so the world can kiss me porcelain,
    white, Irish bottom.

Author

Message

java

Posted: 2007-8-18 4:06:00

Top

java-programmer, Announce: A new open source O/R mapping tool Announce:

Molly DBO: A new open-source O/R mapping tool is out.

There are many such programs out there. But this one is very
special because it's simple (no xml configuration, yay !) and has
been tested with postgres and mysql. This tool has been used
extensively in production enviroments so the generated code has
most bugs squeezed out by now.

You can check it out at:

http://www.mollypages.org/dbo/

Index ‹ java-programmer

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- 1
  - Porting C++ Template to Java GenericI've run into a road block with porting some C++ code that makes use
    of templates to Java. In it, there is a main class I'll call A that
    is a template class:
    
    // C++
    template <class T> class A
    public:
    virtual T Evaluate() const = 0;
    };
    
    Other classes extend this class:
    
    // C++
    template <class T> class B : public A<T> {
    public:
    B(const T &v) { value = v; }
    T Evaluate() const { return value; }
    private:
    T value;
    };
    
    Now all of this is easy to implement in Java using Generic
    programing. The issue I'm having is when I try to implement code like
    this:
    
    template <class T1, class T2> class C : public A<T2> {
    public:
    C(A<T1> a, A<T2> b) { t1 = a; t2 = b; }
    T2 Evaluate() {
    return t1->Evaluate() * t2->Evaluate();
    }
    private:
    A<T1> t1;
    A<T2> t2;
    };
    
    Java complains about about the * operator being undefined for
    arguments T1, T2; Since Java doesn't have operator overloading, I
    can't really see how to implement the same functionality. Has anyone
    ever encountered this type of problem, or can anyone see a way around
    this issue?
- 2
  - web page and image processingHello,
    
    I need to do the following. Given an URL I need to produce a thumbnail
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    please give me some pointers?
    
    Thank you,
    Nadina
- 3
  - jsp - fetching fresh inserted data - reload issue?hi ng,
    
    i have a form, where a user can input some data.
    after pressing submit, the controller.jsp makes some
    validations and shall list up this new entry.
    in short, my problem is, that this newest entry is
    not shown - but is correctly inserted into the db.
    
    + form.jsp : holds the form
    + controller.jsp : inserts form data into db,
    and queries the db to show the newest entry.
    
    after refreshing the site by hand, the newest entry
    is listed, BUT also in the db (duplicate in db!).
    i tried some java script solutions, top.mainFrame.location.reload()
    and adding some META-TAG in the HEAD-Tag of HTML, but no
    effects...
    
    feedback is appreciated, thanks in advance.
    
    with regards,
    jonas
- 4
  - Sun's WTK2.5 is asking for permission to contact network every timeI've just started using the final release of Sun's wireless toolkit
    (WTK) 2.5. It's asking for permission to contact the network each and
    every time network access happens - I'd like to switch it to asking only
    once times (or never, if possible), but can't find the option in the
    docs or via the tools in WTK2.5/bin. Can anyone shed any light on this?
    
    thanks,
    lex
- 5
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- 6
  - Reading from URLConnection stops at JavaScript alert callHi all,
    
    when I post form content to a server (HTTPS protocol) using a
    URLConnection and then reading the servers response using a
    BufferedReader, the reader seems to stop just before reading the code
    for a JavaScript alert. The code for reading the response looks like
    this:
    
    in = new BufferedReader(
    new InputStreamReader(connection.getInputStream()));
    stbResult = new StringBuffer(5000);
    while ((sResult = in.readLine()) != null) {
    stbResult.append(sResult);
    }
    
    When accessing the same site with a browser a dialog pops up at the
    crucial point. After clicking away the alert the rest of the HTML page
    gets loaded by the browser.
    When looking at the code of the HTML page later on, I can see that the
    response read by my java app ended just before the JavaScript code:
    
    <SCRIPT LANGUAGE="JavaScript">alert("xyz");</SCRIPT>
    
    I need to read in the whole page including the alert message. How can
    I get my java app to read in the JavaScript code within the HTML page
    (no problem occured with the JavaScript code in the header) and the
    remaining HTML code?
    
    Thanks for thinking about this one!
    
    Ralf
- 7
  - Beginner, this will be a quick fix, so please check it out!!Hi, extreme noob here (less than one week of Java exerience, or any
    programming exp)
    
    This program i am writing from a book is suppose to ask the question
    "How many gumballs? How mand kids? " , and then allow the user to
    input the 2 answers. for example : 80 4
    
    but it doesn't ask that question, it just answers without asking! any
    help... ? this is from the Beginner Programming with Java for Dummies
    - 2nd Edition. I typed it straight out of the book, and checked it
    vary carefully. the output im currently gettins is... "Each kid gets 6
    gumballs"
    
    import java.util.Scanner;
    
    class KeepingMoreKidsQuiet {
    
    public static void main(String args[]) {
    Scanner myScanner = new Scanner(System.in);
    int gumballs;
    int kids;
    int gumballsPerKid;
    
    System.out.print("How many gumballs? How many kids? ");
    
    gumballs = myScanner.nextInt();
    kids = myScanner.nextInt();
    
    gumballsPerKid = gumballs / kids;
    
    System.out.print("Each kid gets ");
    System.out.print(gumballsPerKid);
    System.out.println(" gumballs.");
    }
    }
- 8
  - Unc path on IntellijHi
    
    Is there a I can add unc path when ading Jar/Directory to Module
    Libraries on Intellij ?
- 9
  - Strange problem!!(it is, atleast to me!!)Although, this is not a programming or development problem instead its
    an end user problem which im facing and thought programmers /
    developers could help.
    
    I have Win XP SP2, JRE 1.5 installed with IE. Now for certain sites my
    applets dont refresh after i click them (well ofcourse i click where a
    click is expected :) this happens when i connect using my cable
    broadband connection.
    (I am connected to a local provider via LAN who provides me connection
    to the primary ISP). On the other hand evrything works as expected
    when i use dial up connection(using the phone line). Ive tried with
    many browsers and it doesn work. Ive tried everything i could. And the
    same site works well at my frnds place who has the same broadband ISP
    but hes on a different LAN and rest all settings are the same.
    
    The error i see on the console- " java.lang.NullpointerException Could
    not send message".
    
    I know the error wouldn be of much use but hope the explanation of the
    problem may have some solutions.
    
    Kindly help me.
- 10
  - edit jtable with enteri am having a problem with jtable which i was unable to solve for a
    last couple a days. i think there needs to be much more docs on some
    tricky uses of jtable than basic JTable/TableModel usage. so far i
    managed to move to the next cell when i press enter (right hand side,
    instead of moving down).
    
    i'd like to start editing in the next cell after moving from previous
    cell. so, if i was in editing mode in some cell, enter should bring me
    to the next cell with caret blinking in it. of course, if i wasn't
    editing some cell i don't want to edit next cell.
    
    basicly, i want to make "row edit session", for example user starts
    editing a cell with f2, and as long as he press enter he edits next
    cell, until he reaches the end of the row and then changes are
    commited to database, just like M$Access and SQLserver does. i think i
    can do this myself, all i need is little help to start edit next cell
    if user moves from previous cell. i checked BasicTableUI source, and
    as i see i should get the editor component and request focus on it.
    but i am stuck with that.
    
    thanks!
- 11
  - A question about Java ThreadI see a code like this:
    
    in a Thread:
    --------------------------
    public void run() {
    
    Thread currentThread = Thread.currentThread();
    
    while (thread == currentThread) {
    
    try {
    repaint();
    thread.sleep(100);
    }
    catch (InterruptedException ex) {
    }
    
    }
    }
    ---------------------------
    
    what's the "while (thread == currentThread) " codes mean?
    what is it used for?
    
    Thank you in advance.
- 12
  - Struts & JSTL <c:out>Greetings:
    
    Relative newcomer to Struts and JSTL. My question is about using
    <c:out>, pageContext, and request.
    
    My experience has been doing to following in an appropriate action
    class. Setting an object as an attribute of the request in the execute
    method of the Action Class:
    
    request.setAttribute("object1", Obj1);
    
    Then in the corresponding JSP, pulling the object off the request and
    casting it for use:
    <% Obj1 local_Obj1 = (Obj1)request.getAttribute("object1");
    
    Then being able to use dot notation to access methods of Obj1.
    
    My question is that with JSTL <c:out> the object needs to be on the
    pageContext. Do I need to explicitly set this? If so where? How does
    this tag work in this situation?
    
    Any help on the matter is greatly appreciated.
    Thank you,
    Tim Morrissey
- 13
  - Log4J problemHi everyone,
    
    Consider the following piece of code:
    
    Logger mylogger = Logger.getLogger(Log4JFileDeletionTest.class);
    
    public Log4JFileDeletionTest() throws Exception
    {
    FileAppender fapp = new FileAppender(new
    XMLLayout(),"/tmp/Log4JFileDeletionTest.log",true);
    mylogger.setLevel(Level.DEBUG);
    mylogger.addAppender(fapp);
    
    mylogger.info("This is a test log");
    
    Thread.sleep(7000);
    
    mylogger.info("This is after deleting the file");
    }
    
    If during the Sleep(), I delete the log file, then none of the
    subsequent log statements re-create the file. It remains deleted, no
    exceptions get thrown and all the logs are lost.
    
    Is there any solution to this, other than modifying the log4J code ?
    
    Thanks in advance.
- 14
  - policy file in eclipse.Hello.
    How can I declare in Eclipse the policy file (like policy.all : I don't know
    if that's matter, but I have version 3.3) ?
    
    Thanks :)
- 15
  - How Robots Will Steal Your JobHumour. Lost on you?
    
    CyberLegend aka Jure Sah <email***@***.com> wrote in message
    news:email***@***.com...
    > Airy R Bean wrote:
    > > Are owls more intelligent than chickens?
    > > Have you ever seen a shop selling Kentucky Fried Owl?
    > As a mater of fact I have never seen a shop selling Kentucky Fried
    > Chicken. I don't live in the USA.
    > It would be curious to know what your point was tho.