Detecting the change

I've used onClipEvent(enterFrame) handler whenever i wanted
to check
something when i didn't know when the change is going to
happen. It seems to
slow down the application since its always "checking" because
the
enterFrame.
Is there any way i can dettect the change of variable value
using
setChangeHandler?
Thanks
Luka

Thanks, ill try that.
Luka
"kglad" <[email protected]> wrote in message
news:equ6lr$ifg$[email protected]..
> you can use the watch() function.

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Detection of changes in the context prior saving a document

Original thread title: IS_CHANGED_BY_CLIENT and RESET_CHANGED_BY_CLIENT methods / selection change
Does anyone know, why is that the RESET method is recursive, but the IS method isn't?
The problem is, I need to trigger a save of a document only when there is some change made by the user, but to do that i'm being forced to implement myself a recursive method which uses both IS_CHANGED_BY_CLIENT and GET_CHILD_NODES methods. While I simply call the RESET_CHANGED_BY_CLIENT method of the root node and it affects all subnodes.
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Thanks for your comments Manish. I've already programmed the recursive method and it is working ok, seems to be the only way then.
But how did you solve detection of selection changes? Currently i'm thinking of having an event handler for each dropdown, which will mark a flag to be evaluated additionally to the method's result. You did the same, or selection changes didn't matter in your case?
Thank you
Solved: The context change log seems to be a far better alternative, it also detects selection changes.
Check DEMO_CONTEXT_CHANGES example. If you need only to detect changes, you can use just the enable_context_change_log and get_context_change_log methods.
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Every time there's a power cut or I turn off my router, my Macbook doesn't detect the network and doesn't accept the password. Finally, after many, many attempts at solving with 'diagnostics', rebooting...the 'network changes' detected message shows.

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Take your battery out and reset your PMU.
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Mac Owners Support Group
Join Us @ MacOSG.com
ITMS: MacOSG Podcast
 An Apple User Group 

I recently updated the itunes software and now my iphone wont detect the sim card! what do i do?

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Updating iTunes has nothing to do with an iDevice going into recovery mode.
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APPLE/DEVS Read this! Windows 7 CAN'T detect the iPhone 5s but iTunes CAN detect it! WEIRD, huh?!..

just a summary...
i have a iphone 3G which i have been using for a long time and now i got an iphone 5s.. troubleshooting this kind of stuff is not new to me from computers to smartphones.. the internet has a vast majority of information and all you need to do is type in the right "KEYWORD".. i'm that kind of guy that looks for the answer before i try to look on it on my own.. i'm a DIY kind of guy as long as there is an instruction on how to do it..
now, back to the topic..
so i was trying to copy some of my pictures on my iphone 5s to my PC for backup purposes and to see the quality of the images but the portable device doesn't show up unlike my iphone 3G which is f***ing WEIRD.. been tinkering with this over the past 5 days since i have nothing to do and testing the new features of this phone but to no avail.. searched all over the internet but still none..
so last night, i was really determined since i can't sleep and also connected my iphone 3G to my PC while the iphone 5s is connected.. so here is what shows up on my devices and printers and device manager..
i can totally see the pics on my iphone 3G but not on my iphone 5s.. totally amazing.. good job apple!
the picture under devices shows my iphone 3G and the other 2 on unspecified is my iphone 5s.. the iPhone under there is being used as my source of internet since this is tethered so i can have access and post this in here so that APPLE will know how f***ed up their SOFTWARE is is..
so i downloaded itunes a couple of times, and i can't remember how many already, i think 5 times or more and then uninstalled all apple softwares (itunes, apple application support, apple mobile device support and etc as long as there is apple in it) and then reinstalled itunes but still none..
so i went on device manager removed my iphone 3G and the only one that would show there is the Apple Mobile Device USB driver under USB controllers..
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so last night i installed, reinstalled itunes and then suddenly my drive D: was gone and i received an error or a "!" on my drive and my drive is not being detected.
Error: windows cannot start this hardware device because its configuration information (in the registry) is incomplete or damage. (code 19).
i unstalled the driver in device manager and then scan hardware changes, updated the driver automatically and manually and it is saying that i have the latest hardware but i can't use my DVD drive with the error on it..
so today i searched for that e-fing error and found this http://pcsupport.about.com/od/findbyerrormessage/a/code-19-error.htm
"4. Uninstall Apple iTunes. While that may sound a little drastic, iTunes is the cause of enough Code 19 errors to make it into this troubleshooting.
If removing iTunes works, you might try installing it again from scratch, which doesn't always reintroduce the problem. See How to Properly Reinstall a Software Program for general advice."
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so going back to the topic..
i was able to find a way (AFTER HOW MANY HOURS of TROUBLESHOOTING) on how my iphone 5s was able to detect the portable device or should i say the images on my iphone 5s where the autoplay pops up and everything..
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so now i opened iTunes and BOOOM!
iTunes doesn't detect my iphone 5s but i can browse on the images on my phone..
so again i went to device manager, uninstalled the driver for apple iphone under portable devices, scanned for hardware changes, updated the driver manually by selecting drive C: so it would automatically find the correct drive..
so now, my iphone can be detected by itunes but not on my COMPUTER.. see how ****** UP this is?!.. JEEEEEEEEEZ!!
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click on MTP USB Device and then click on Next, after it finishes installing the drivers, your PC will automatically detect a new portable device but in order for you to access the images you need to go back on your phone, unlock it if it lock automatically and then click on "TRUST" and then you can now see the images..
BUT the problem here is that your iPhone can't be detected on iTunes...
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SEE HOW THIS DRIVERS are so ****** up.. i wish i hadn't started using this ****** UP OS with all the BUGS and GLITCHES.. JEEEZ! and to think, these DEVICES are not CHEAP compared to Android devices on the market.. it's just because of how these people go with the trend that they purchase these kind of stuff and the only thing they use it for is calling or texting.. i, for once use this not for calling or texting but also for the apps that it has like the games, ebooks and etc when im bored..
i HOPE the Apple DEVS read this and find the solution on the drivers which is so ****** UP and so LAME!!
PS: i hope a lot of people who are having the same issue as what i had find this and help them with their concern even though this is not a permanent solution.. it is just a work around for folks that are looking for answers and solution.
Have a Great Day Folks and it is the start of a New Year and want to contribute something even though i don't usually posts my work around.

Hi LSGZ,
If you are having issues updating or restoring your iPhone, you may find the following article helpful:
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http://support.apple.com/en-us/HT203449
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Message was edited by: sorabh arora

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Detect Note Changes in MIDI Sequencer

Hi all,
I’m trying to detect when the MIDI Sequencer changes notes using some kind of a listener to detect when the note changes occur. My example program is able to detect the end of the sequence and I’d like to be able to detect note changes and print a message in a similar way. Here is my example code.
import javax.swing.*;
import javax.sound.midi.*;
public class SequencerTestApplet extends JApplet
    public void init()
        SequencerTest seqTest = new SequencerTest();
        seqTest.play();
        System.out.println("Print from init()");
class SequencerTest
    Sequencer sequencer=null;
    Sequence seq=null;
    Track track=null;
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        try
        {   sequencer = MidiSystem.getSequencer();
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                {   public void meta(MetaMessage m)
                    { if (m.getType() == 47) System.out.println("SEQUENCE FINISHED");
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            track = seq.createTrack();
        catch (Exception e) { }
    public void play()
        try
        {    // NOTE 1
            ShortMessage noteOnMsg = new ShortMessage();
            noteOnMsg.setMessage(ShortMessage.NOTE_ON, 0, 60, 93);
            track.add(new MidiEvent(noteOnMsg, 0));
            ShortMessage noteOffMsg = new ShortMessage();
            noteOffMsg.setMessage(ShortMessage.NOTE_OFF, 0, 60, 93);
            track.add(new MidiEvent(noteOffMsg, 16));
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            ShortMessage noteOnMsg2 = new ShortMessage();
            noteOnMsg2.setMessage(ShortMessage.NOTE_ON, 0, 68, 93);
            track.add(new MidiEvent(noteOnMsg2, 16));
            ShortMessage noteOffMsg2 = new ShortMessage();
            noteOffMsg2.setMessage(ShortMessage.NOTE_OFF, 0, 68, 93);
            track.add(new MidiEvent(noteOffMsg2, 32));
            sequencer.setSequence(seq);
            sequencer.start();
        catch (Exception e) { }
}In this program the init() method starts the sequencer through the play() method and then continues on so that the “print from init()” statement is printed from the init() method while the sequencer is still playing. Then after the sequencer is finished, it uses the MetaEventListener to detect the end of the sequence and print the “sequence finished” message. I’d like to be able to make it also detect when the sequence changes notes in a similar way... Start the sequence and move on, but then be able to detect each time a note change occurs and print a message.
Since I am putting the notes at specific midi ticks (multiples of 16, or “quarter notes”) I could poll the Sequencer using getTickPosition() to see if the Sequencer’s tick position matches a particular multiple of 16. However, the problem with this is it would lock up the program since it would be constantly polling the sequencer and the program wouldn’t be able to do anything else while the Sequencer is playing (and I also have a loop option for the Sequencer so that would lock up the program indefinitely).
Here’s what I’ve found out and tried so far...
I read in this [this tutorial|http://java.sun.com/docs/books/tutorial/sound/MIDI-seq-adv.html] on the java sun site (under “Specifying Special Event Listeners”) that The Java Sound API specifies listener interfaces for control change events (for pitch-bend wheel, data slider, etc.) and meta events (for tempo change commands, end-of-track, etc.) but it says nothing about detecting note changes (note on/off). Also in the [EventListener API|http://java.sun.com/j2se/1.3/docs/api/java/util/class-use/EventListener.html] (under javax.sound.midi) it only lists the ControllerEventListener and the MetaEvenListener.
I also read here that MIDI event listeners listen for the end of the MIDI stream, so again no info about detecting note changes.
It seems like the sequencer should have some way of sending out messages (in some fashion) when these note changes happen, but I’m not sure how or even if it actually does. I’ve looked and looked and everything seems to be coming back to just these two types of listeners for MIDI so maybe it doesn’t.
To be sure the MetaEventListener doesn’t detect note changes I changed the MetaMessage from:
public void meta(MetaMessage m)
{    if (m.getType() == 47) System.out.println("SEQUENCER FINISHED");
}to:
public void meta(MetaMessage m)
{    System.out.println("" + m.getType());
}so that it would print out all of the MetaMessages it receives. The only message that printed was “47” which indicates the end of the sequence. So the MetaEventListener doesn’t appear to do what I need it to do.
I realize this is a rather odd problem and probably not many people have had the need to do something like this, but it never hurts to ask. If anyone has any suggestions on how to solve this problem it would be greatly appreciated.
Thanks,
-tkr

Tekker wrote:
As another idea, since I can't do it with a listener like I originally wanted to, would adding a separate thread to poll the sequencer and send an interrupt when it matches a particular midi tick be a good route to try? My thinking is this essentially act kind of like a listener by running in the background and reporting back when it changes notes.Yep, that worked! :)
import javax.swing.*;
import javax.sound.midi.*;
public class ThreadTestApplet extends JApplet
     public void init()
          ThreadTest threadTest = new ThreadTest();
          threadTest.play();
          MIDIThread thread = new MIDIThread(threadTest.sequencer);
          thread.start();
          System.out.println(" Print from init() 1");
          try { Thread.sleep(1000); } catch (InterruptedException ie) {}
          System.out.println(" Print from init() 2");
          try { Thread.sleep(1000); } catch (InterruptedException ie) {}
          System.out.println(" Print from init() 3");
          try { Thread.sleep(1000); } catch (InterruptedException ie) {}
          System.out.println(" Print from init() 4");
class ThreadTest
     Sequencer sequencer=null;
     Sequence seq=null;
     Track track=null;
     public ThreadTest()
          System.out.println("Sequencer Started");
          try
          {     sequencer = MidiSystem.getSequencer();
               sequencer.open();
               // detect END OF SEQUENCE
               sequencer.addMetaEventListener(
                    new MetaEventListener()
                    { public void meta(MetaMessage m)
                         {     if (m.getType() == 47) System.out.println("SEQUENCER FINISHED");
               sequencer.setTempoInBPM(40);
               seq = new Sequence(Sequence.PPQ, 16);
               track = seq.createTrack();
          catch (Exception e) { }
     public void play()
          try
          {     // NOTE 1
               ShortMessage noteOnMsg = new ShortMessage();
               noteOnMsg.setMessage(ShortMessage.NOTE_ON, 0, 60, 93);
               track.add(new MidiEvent(noteOnMsg, 0));
               ShortMessage noteOffMsg = new ShortMessage();
               noteOffMsg.setMessage(ShortMessage.NOTE_OFF, 0, 60, 93);
               track.add(new MidiEvent(noteOffMsg, 16));
               // NOTE 2
               ShortMessage noteOnMsg2 = new ShortMessage();
               noteOnMsg2.setMessage(ShortMessage.NOTE_ON, 0, 68, 93);
               track.add(new MidiEvent(noteOnMsg2, 16));
               ShortMessage noteOffMsg2 = new ShortMessage();
               noteOffMsg2.setMessage(ShortMessage.NOTE_OFF, 0, 68, 93);
               track.add(new MidiEvent(noteOffMsg2, 32));
               sequencer.setSequence(seq);
               sequencer.start();
          catch (Exception e) { }
import javax.sound.midi.*;
public class MIDIThread extends Thread
     Sequencer sequencer=null;
     long midiTick=0;
     long midi_progressionLastChord=32;
     boolean print = true;
     public MIDIThread(Sequencer sequencer)
          this.sequencer = sequencer;
     public void run()
          System.out.println("Thread Started");
          while (midiTick<midi_progressionLastChord)
          {     midiTick = sequencer.getTickPosition();
               if (midiTick == 0 || midiTick == 16)
               {     if (print)
                    {     System.out.println("NOTE CHANGE");
                         print = false;
               else
                    print = true;
}I put in several print statements (with pauses in the init method) and the init print statements continue to be printed while the sequencer is playing, so it's not locking up the system and the "note change" statements happen when the sequencer changes notes. So this part is working perfectly! :)
Here's what I got for my output:
Sequencer Started
Print from init() 1
Thread Started
NOTE CHANGE
Print from init() 2
NOTE CHANGE
Print from init() 3
SEQUENCER FINISHED
Print from init() 4
The only problem I'm having is how to "throw" this action back up to the main init method and have it do the print statement instead of the thread class. Throwing an interrupt apparently won't work as you have to poll it to see if it has been interrupted (so it'd be no different than just polling the sequencer to see if it equals the specific midi tick). Maybe throw an ActionEvent? But how to attach it to my applet? Would I need to create an instance of my applet and then pass that into the thread class so it can catch the ActionEvent? And if I do that will it stop the thread or will it keep the thread running so can detect the other notes?... Or is there a better/simpler way to do this?
Thanks again,
-tkr

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