java-programmer >>Proposal. Sort should return a boolean.

Proposal. Sort should return a boolean.

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- 5
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    Would like to build a mozilla style sidebar for a java application.
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    > ----- Forwarded message from User Ports-i386 <email***@***.com> -----
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    > list of extra files and directories in / (not present before this port was installed but present after it was deinstalled)
    > 907052 8 drwxr-xr-x 3 root wheel 512 Mar 25 12:25 usr/local/jdk1.4.2
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    >
    >
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    This was broken by the change to the dynamic plist. These files are
    installed by the pkg-install script, which occurs after the packing list
    has been generated :(. A simple fix should be to add an explicit
    PLIST_FILES/PLIST_DIRS setting for these files. I suspect the breakage
    for jdk15 is the same. I'll look into it.
    
    --
    Greg Lewis Email : email***@***.com
    Eyes Beyond Web : http://www.eyesbeyond.com
    Information Technology FreeBSD : email***@***.com
    _______________________________________________
    email***@***.com mailing list
    http://lists.freebsd.org/mailman/listinfo/freebsd-java
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- 6
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    fine on a single machine).
    -------------------------------------
    - tnameserv -ORBInitialPort 1500
    
    - java Server -ORBInitialPort 1500 -ORBInitialHost htest
    
    - java Client -ORBInitialPort 1500 -ORBInitialHost htest
    ----------------
    I've tried running tnameserv on the server only."htest" is the
    servermachinename!!
    
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    org.omg.CORBA.COMM_FAILURE: vmcid: SUN minor code: 201 completed: No
    org.omg.CORBA.COMM_FAILURE: vmcid: SUN minor code: 201 completed:
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    com.sun.corba.se.internal.iiop.ConnectionTable.getConnection(ConnectionTable.java:148)
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    com.sun.corba.se.internal.iiop.ConnectionTable.getConnection(ConnectionTable.java:65)
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    com.sun.corba.se.internal.iiop.GIOPImpl.getConnection(GIOPImpl.java:67)
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    com.sun.corba.se.internal.corba.ClientDelegate.createRequest(ClientDelegate.java:652)
    at
    com.sun.corba.se.internal.corba.ClientDelegate.createRequest(ClientDelegate.java:594)
    at
    com.sun.corba.se.internal.corba.ClientDelegate.request(ClientDelegate.java:886)
    at org.omg.CORBA.portable.ObjectImpl._request(ObjectImpl.java:431)
    at
    org.omg.CosNaming._NamingContextExtStub.resolve_str(_NamingContextExtStub.java:156)
    at Test.Client.main(Client.java:48)
    
    Any ideas on what is missing??????
    
    thanks
    Tina
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    like to have an array with a1,b1,b2 as references. Is that possible?
    
    I look forward to hearing from you soon.
    
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    Dil
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    I'm looking for a circular linked list implementation.
    Any references appreciated.
    
    Cheers
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  - PAAppViewer3 (AppViewer3)?Hello,
    
    Might anyone please kindly answer my question? Thank you very
    much.
    
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    In the Amos text output, on the left hand side, there are two
    sections. The lower section is the result of performing bootstrap,
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    estimates of bias-corrected percentile method.
    
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    Call stack: frmMain hdoc_ onmouseover
    
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    Amos 6.0.?
    
    Thank you very much and look forward to your kind reply.
    
    Please take care
    
    Best wishes to your life
    
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- 13
  - JProgressBar Flickering!Hi everyone! I just have a little question here!
    
    I have a Swing GUI in which I put a JProgressBar.
    I also have a static class where I put a static variable JProgressBar.
    
    In my main program, because the static methods are time consuming, I
    start a new thread, where I initialize the static JProgressBar with the
    one in main gui.
    
    So I'm able to update the text, value, etc in the GUI without locking
    my main program.
    
    The problem is:
    
    I put progression report [ progressBar.setValue(int) ] in my loops to
    see the change. It works perfectly BUT!!!
    
    Every time it sets a new value, the progress bar show a lot of
    flickering! I enabled double buffering on it, but no effect!
    
    How can I remove this bad effect??? If some knows please tell me quick
    :)
    
    Thanks,
    Ad
- 14
  - RMI first stepHello,
    
    For testing purpose, I'm trying to use RMI...
    Here is the exception when I run Main.java :
    Exception in thread "main" java.security.AccessControlException: access
    denied (java.net.SocketPermission 192.168.0.1:1099 connect,resolve)
    at
    java.security.AccessControlContext.checkPermission(AccessControlContext.java
    :264)
    at
    java.security.AccessController.checkPermission(AccessController.java:427)
    at java.lang.SecurityManager.checkPermission(SecurityManager.java:532)
    at java.lang.SecurityManager.checkConnect(SecurityManager.java:1034)
    at java.net.Socket.connect(Socket.java:501)
    at java.net.Socket.connect(Socket.java:457)
    at java.net.Socket.<init>(Socket.java:365)
    at java.net.Socket.<init>(Socket.java:178)
    at
    sun.rmi.transport.proxy.RMIDirectSocketFactory.createSocket(RMIDirectSocketF
    actory.java:22)
    at
    sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(RMIMasterSocketF
    actory.java:128)
    at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:569)
    at
    sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:185)
    at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:171)
    at sun.rmi.server.UnicastRef.newCall(UnicastRef.java:306)
    at sun.rmi.registry.RegistryImpl_Stub.rebind(Unknown Source)
    at java.rmi.Naming.rebind(Naming.java:160)
    at testRMI.Main.main(Main.java:28)
    
    (jdk1.5.0_01 - Win2000Pro - no firewall)
    What am I doing wrong ?
    Thanks for your help,
    Martin.
    
    The code :
    ===================================================================
    Main.java :
    package testRMI;
    
    import java.net.MalformedURLException;
    import java.rmi.AlreadyBoundException;
    import java.rmi.Naming;
    import java.lang.SecurityException;
    import java.rmi.RMISecurityManager;
    import java.rmi.RemoteException;
    import java.rmi.server.UnicastRemoteObject;
    
    public class Main extends UnicastRemoteObject implements Meeting
    {
    private String ivDate = new String("25/3/2005");
    private static final long serialVersionUID = 1;
    
    public Main() throws RemoteException {
    
    }
    
    public String getDate() throws RemoteException {
    return ivDate;
    }
    
    public static void main(String[] args) throws
    AlreadyBoundException,RemoteException,
    MalformedURLException,SecurityException {
    System.setSecurityManager(new RMISecurityManager());
    Main ms = new Main();
    Naming.rebind("rmi://192.168.0.1/Meeting",ms);
    }
    }
    ===================================================================
    Meeting.java
    package testRMI;
    
    import java.rmi.Remote;
    import java.rmi.RemoteException;
    
    public interface Meeting extends Remote
    {
    public String getDate() throws RemoteException;
    }
    ===================================================================
    ClientRMI.java
    package testRMI;
    
    import java.net.MalformedURLException;
    import java.rmi.Naming;
    import java.rmi.NotBoundException;
    import java.rmi.RMISecurityManager;
    import java.rmi.Remote;
    import java.rmi.RemoteException;
    
    public class ClientRMI
    {
    public static void main(String[] args)
    throws RemoteException, MalformedURLException,NotBoundException {
    System.setSecurityManager(new RMISecurityManager());
    Remote r = Naming.lookup("rmi://192.168.0.1/Meeting");
    String s = null;
    if(r instanceof Meeting)
    {
    Meeting ms = (Meeting)r;
    s = ms.getDate();
    }
    System.out.println(s);
    }
    }
    ===================================================================
- 14
  - Netbeans 4.0 beta2 color scheme configuration?I just downloaded Netbeans again (tried 3.2 and 3.3 way back when). At one
    time, you could change the colors of the application (not *just* the
    editor) with an XML file or use a custom L&F. I need to setup Netbeans to
    be a much darker color scheme since the default one is *way* too bright and
    very uncomfortable to use. I get a headache within 30 minutes of using it.
    
    However, I've not had much luck getting anything to work (what little I
    remember for 3.2/3.3 days). Any pointers would be appreciated.
    
    Regards,
    Dan
- 14
  - ImageIO.read with PNG fileHi,
    
    using JDK 1.5.0_04 I try to read a PNG image with ImageIO.read():
    
    String uri = "http://www.w3.org/Icons/right.png";
    //String uri = "http://www.w3.org/Icons/w3c_home.png";
    try
    {
    InputStream inputStream = new URL(uri).openStream();
    BufferedImage bufferedImage = ImageIO.read(inputStream);
    }
    catch (Exception e)
    {
    e.printStackTrace();
    }
    
    I get the following exception:
    java.lang.IllegalArgumentException: LUT has improper length!
    at
    javax.imageio.ImageTypeSpecifier$Indexed.<init>(ImageTypeSpecifier.java:866)
    at
    javax.imageio.ImageTypeSpecifier.createIndexed(ImageTypeSpecifier.java:955)
    at
    com.sun.imageio.plugins.png.PNGImageReader.getImageTypes(PNGImageReader.java:1463)
    at
    com.sun.imageio.plugins.png.PNGImageReader.readImage(PNGImageReader.java:1348)
    at
    com.sun.imageio.plugins.png.PNGImageReader.read(PNGImageReader.java:1530)
    at javax.imageio.ImageIO.read(ImageIO.java:1400)
    at javax.imageio.ImageIO.read(ImageIO.java:1322)
    at ImageIOTest.main(ImageIOTest.java:26)
    
    When I read the other file (http://www.w3.org/Icons/w3c_home.png)
    everything is fine. Is this a problem with the PNGImageReader or with
    the PNG image itself? Various image viewing programs can handle the image.
    --
    Johannes Koch
    In te domine speravi; non confundar in aeternum.
    (Te Deum, 4th cent.)
- 15
  - Nunni FSM Generator v. 1.1 released!NunniFSMGen v. 1.1 has been released on August 12th 2004
    
    NunniFSMGen is Open Source and comes with GPL license.
    
    http://nunnifsmgen.nunnisoft.ch/en/home.jsp
    
    NunniFSMGen is a java tool that starting from a transition table
    generates the corresponding FSM (Finite State Machine) in Java, C
    or C++ source code. It has been developped in 2003 at NunniSoft
    for generating the FSMs of our own software and successfully used
    (here at NunniSoft) since it's first internal release (in June 2003).
    
    Changes since 1.0.3
    - generation of C code is now more optimized for size
    - some clean up
    
    NunniFSMGen has also been used to develop two other Open
    Source projects, distributed under the LGPL licence:
    
    NunniMJAX http://nunnimjax.nunnisoft.ch/en/home.jsp
    and
    NunniMCAX http://nunnimcax.nunnisoft.ch/en/home.jsp
    
    The above are two minimal and lightweight libraries for
    parsing XML. The first is written in Java, the sencond in C.
    
    Best regards.
    --
    Roberto Nunnari -software engineer-
    mailto:email***@***.com
    Residenza Boschetto 12 tel/fax: +41-91-6046511
    6935 Bosco Luganese """ mobile: +41-76-3208561
    Switzerland (o o)
    ========================oOO==(_)==OOo========================

Author

Message

Roedy Green

Posted: 2007-12-30 18:36:00

Top

java-programmer, Proposal. Sort should return a boolean. Here is an idea. I would like it if Collections. sort and Arrays.sort
would return a boolean. true means something actually changed. false
means the array was already in order.

Further there would be an additional boolean parameter to the sort to
say "items probably already in order". The sort would then do a quick
check to make sure the items were in order, and if so, bypass the full
sort.

This would be useful when you have to avoid needlessly calling
fireTableDataChanged after a sort.

It would also allow you to use sorts in an assert to ASSURE the data
are already sorted, and explode if they are not already sorted.

Since the sort is void now, all existing code would still work. You
would just have an additional method call with the optional boolean
parameter, or perhaps only in would get the boolean return.
--
Roedy Green Canadian Mind Products
The Java Glossary
http://mindprod.com

Index ‹ java-programmer

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    Concl usion:
    The examples above show the awesome, earning potential of little known companies that explode onto invesotr's radar screens; Many of you are already familiar with this. Is A ETR poised and positioned to do that for you? Then you may feel the time has come to act... And please watch this one trdae tomorrow! Go AE TR.
    Pen ny sotcks are considered highly speculative and may be unsuitable for all but very aggressive investros. This prof ile is not in any way affil iated with the featured company. This report is for entertainment and advertising purposes only and should not be used as invesmtent advice. If you wish to stop future m a i lings, or if you feel you have been wrongfully placed in our membership, send a blank e m a i l with No Thanks in the subject to
    
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- 13
  - Programatically deducing VARCHAR2 length?Hi,
    I'm using WebLogic 5.1 sp12 and Oracle 8.1.7 with JDBC 1.2 drivers.
    I was wondering, if I know that a column is a vARCHAR2 column, how
    could i deduce the maximum length of that column, short of repeatedly
    inserting larger and larger strings until I genertae an exception. I
    know with SQL*Plus I can describe the table and find out lengths that
    way, but I was hoping for a more general automated method.
    
    Thanks for any help anyone can provide - Dave
- 14
  - [ANN] SwingEmpire FormBuilder - New Preview 0.9.4
    
    SwingEmpire FormBuilder helps in quickly building GUIs with JGoodies
    Forms.
    
    The new/updated features include:
    
    * pluggable custom layout styles for grid elements and borders
    * enhanced support of custom component factories
    
    The preview is available at
    
    http://www.swingempire.de/palace/FormBuilder
    
    For your convenience a summary of "old" features
    
    * rapid visual design of form-oriented GUIs
    * targeted on JGoodies Forms
    * re-usable layout data
    * immediate preview in choosable LookAndFeels
    * persisting layout data separated from application code
    * persisting via standard XMLEncoder
    * pluggable custom components
    * pluggable persistence format
    
    Test and (hopefully :-) enjoy - I'm eagerly awaiting your feedback.
    
    Regards
    Jeanette Winzenburg, Berlin
- 15
  - Something a bit goofy about Generics
    Iterable<? extends JavaFileObject>
    
    You'd think a JavaFileObject[] or a JavaFileObject... would fullfil
    that requirement, but it doesn't. It fills it sufficiently to do a
    for:each but not to satisfy this parameter.
    
    That is like a piece of purple lint on a white sweater.
    
    People say arrays and generics don't mix, but they damn well SHOULD.
    --
    Roedy Green Canadian Mind Products
    The Java Glossary
    http://mindprod.com