Java script...Problem with Arrays...

I am feeling quite lame! I am trying to get this dang thing working, it keeps giving me an error on line 15.
I am just learning so please don't laugh!!
This is supposed to be a javascript that will print the frequency of the roll of 2 dice. They print in tables, the face of the dice on the left, and the frequency in the next column.
<html xmlns = "http://www.w3.org/1999/xhtml">
<head>
<title>roll 2 dice 36000 times</title>
<script type = "text/javascript">

</script>
</head>
<body>
<?xml version = "1.0"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">


<p>Click Refresh (or Reload) to run the script again</p>
</body>
</html>
<!--

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<td> <table>
<tr >
<td class="Label" ></td>
<td width="62" ></td>
<td class="Label" ></td>
<td width="68" ></td>
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<tr >
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<html:option value="N">NO</html:option> </html:select></td>
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<td> <table>
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<td><table>
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<td ></td>
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<td style="background-color: rgb(255, 255, 255);"><html:text styleClass="Textfield" property="fridaystart1" value="0000" size="5" maxlength="4"></html:text>(HHMM)</td>
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<tr style="visibility: hidden;display:none;" id="fri1" >
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<td style="background-color: rgb(255, 255, 255);"><html:text styleClass="Textfield" property="fridayend2" value="0000" size="5" maxlength="4"></html:text>(HHMM)</td>
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<td style="background-color: rgb(255, 255, 255);"><html:text styleClass="Textfield" property="fridaystart2" value="0000" size="5" maxlength="4"></html:text>(HHMM)</td>
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So I tried 'osspd' (package is called 'ossp') and it shows the root process "/usr/sbin/osspd --dsp-slave=/usr/sbin/ossp-padsp" been started, but the java applications will still not provide sound which I find pretty odd. I tried adding 'soundcore.preclaim_oss=0' to the 'kernel..' line in my grub's menu.lst, but that didn't help either.
Last edited by Jindur (2012-05-20 02:59:20)

It's been quite a while, but I finally found a solution (read: big ugly hack).
Someone literally created a biguglyhack and posted it here:
http://lifein19x19.com/forum/viewtopic. … 243#p98243
(downloadable file there: javadummymixer_biguglyhack.zip [12.97 KiB] -> rename it from .zip to .jar and move it into your java's lib/ext folder -> profit!)
I applied it to OpenJDK 6 (should be same for 7 though) and all my java sound works flawlessly now, with pulseaudio, without any need for padsp stuff or osspd or whatever.
My sound.properties file reads:
javax.sound.sampled.Clip=com.sun.media.sound.DirectAudioDeviceProvider
javax.sound.sampled.Port=com.sun.media.sound.PortMixerProvider
javax.sound.sampled.SourceDataLine=com.sun.media.sound.DirectAudioDeviceProvider
javax.sound.sampled.TargetDataLine=com.sun.media.sound.DirectAudioDeviceProvider
but actually I'm not sure whether that even matters at all.
(Side note: The linked thread also mentions a "-D.sun.." command-line parameter that supposedly forces java to avoid disfunctional audio methods. The above biguglyhack however worked for me without any need of applying that command-line parameter.)
Last edited by Jindur (2012-05-20 02:58:05)

JAVA arithmetic problem with double ?

If I try to work double precision numbers I get a unintelligible result, but what do I do wrong ?
Are there any inaccuracy in the JAVA double precision numbers arithmetic or what's the problem with this very simple example code ? How can I get correct result ?
Simple example code :
================
for (double i = 0; i < 10; i = i + 0.01)
System.out.println(i);
On the output :
===========
0.0
0.01
0.02
0.03
0.04
0.05
0.060000000000000005
0.07
0.08
0.09
0.09999999999999999
0.10999999999999999
0.11999999999999998
0.12999999999999998
0.13999999999999999
0.15
0.16
0.17
0.18000000000000002
0.19000000000000003
0.20000000000000004
0.21000000000000005
0.22000000000000006
0.23000000000000007
0.24000000000000007
0.25000000000000006
0.26000000000000006
0.2700000000000001
0.2800000000000001
0.2900000000000001
0.3000000000000001
0.3100000000000001
0.3200000000000001
0.3300000000000001
0.34000000000000014
0.35000000000000014
0.36000000000000015
0.37000000000000016
0.38000000000000017
0.3900000000000002
0.4000000000000002
0.4100000000000002
0.4200000000000002
0.4300000000000002
0.4400000000000002
0.45000000000000023
0.46000000000000024
0.47000000000000025
0.48000000000000026
0.49000000000000027
0.5000000000000002
0.5100000000000002
0.5200000000000002
0.5300000000000002
0.5400000000000003
0.5500000000000003
0.5600000000000003
0.5700000000000003
0.5800000000000003
0.5900000000000003
0.6000000000000003
0.6100000000000003
0.6200000000000003
0.6300000000000003
0.6400000000000003
0.6500000000000004
0.6600000000000004
0.6700000000000004
0.6800000000000004
0.6900000000000004
0.7000000000000004
0.7100000000000004
0.7200000000000004
0.7300000000000004
0.7400000000000004
0.7500000000000004
0.7600000000000005
0.7700000000000005
0.7800000000000005
0.7900000000000005
0.8000000000000005
0.8100000000000005
0.8200000000000005
0.8300000000000005
0.8400000000000005
0.8500000000000005
0.8600000000000005
0.8700000000000006
0.8800000000000006
0.8900000000000006
0.9000000000000006
0.9100000000000006
0.9200000000000006
0.9300000000000006
0.9400000000000006
0.9500000000000006
0.9600000000000006
0.9700000000000006
0.9800000000000006
0.9900000000000007
1.0000000000000007
1.0100000000000007
1.0200000000000007
1.0300000000000007
1.0400000000000007
1.0500000000000007
1.0600000000000007
1.0700000000000007
1.0800000000000007
1.0900000000000007
1.1000000000000008
1.1100000000000008
1.1200000000000008
1.1300000000000008
1.1400000000000008
1.1500000000000008
1.1600000000000008
1.1700000000000008
1.1800000000000008
1.1900000000000008
1.2000000000000008
1.2100000000000009
1.2200000000000009
1.2300000000000009
1.2400000000000009
1.2500000000000009
1.260000000000001
1.270000000000001
1.280000000000001
1.290000000000001
1.300000000000001
1.310000000000001
1.320000000000001
1.330000000000001
1.340000000000001
1.350000000000001
1.360000000000001
1.370000000000001
1.380000000000001
1.390000000000001
1.400000000000001
1.410000000000001
1.420000000000001
1.430000000000001
1.440000000000001
1.450000000000001
1.460000000000001
1.470000000000001
1.480000000000001
1.490000000000001
1.500000000000001
1.5100000000000011
1.5200000000000011
1.5300000000000011
1.5400000000000011
1.5500000000000012
1.5600000000000012
1.5700000000000012
1.5800000000000012
1.5900000000000012
1.6000000000000012
1.6100000000000012
1.6200000000000012
1.6300000000000012
1.6400000000000012
1.6500000000000012
1.6600000000000013
1.6700000000000013
1.6800000000000013
1.6900000000000013
1.7000000000000013
1.7100000000000013
1.7200000000000013
1.7300000000000013
1.7400000000000013
1.7500000000000013
1.7600000000000013
1.7700000000000014
1.7800000000000014
1.7900000000000014
1.8000000000000014
1.8100000000000014
1.8200000000000014
1.8300000000000014
1.8400000000000014
1.8500000000000014
1.8600000000000014
1.8700000000000014
1.8800000000000014
1.8900000000000015
1.9000000000000015
1.9100000000000015
1.9200000000000015
1.9300000000000015
1.9400000000000015
1.9500000000000015
1.9600000000000015
1.9700000000000015
1.9800000000000015
1.9900000000000015
2.0000000000000013
2.010000000000001
2.020000000000001
2.0300000000000007
2.0400000000000005
2.0500000000000003
Thanks for answerers !
Joseph

This result is entirely unsurprising, and the flaw lies in your program, not in Java.
Java represents numbers in 2's complement [SEM] form (read the Java Language Specification (JLS), according to agreed standards. When you specify a fractional number that appears to be nice and easy to work with, you are thinking in decimal notation, not binary, and you are giving it a number that cannot be precisely represented. It is a little like asking you to write down exactly what pi is (all its digits ;-)).
So the number you get is not precisely what you asked for (one very insignificant error). But then you compound it by adding an inaccurately represented number to an inaccurately represented number, and so on, until the bit errors combine to make a very inaccurate number.
The correct way to approach what you are trying to do would be to perform the addition using integers, and multiply each time you want to scale it to a double.
This has been asked many times - I would suggest you:
- Search the forums
- Check out the language spec
- or do a degree in CompSci :-)
A calculator is a little more accurate because it does not have to conform to agreed standards, and so can use special logic to minimise such errors. The average pocket calulator also works to a much lower level of accuracy (usu 8 digits), and therefore masks the errors to you. You'd find that you got the same effect if you played with it long enough.
Hope this helps

Java debugging - problems with standard input

Hi
I hope somebody can help me with this problem.
I'm developing a Java app that reads from the standard input. I use System.in.read() to do that. When I debug it, I use the Standard I/O window instead of the Run Log window to pass in values, but nothing happens (i.e. the line following the read() is never reached). I also tried to run the app and then attach the debugger to use the Run Log window as standard input, with the same result. If I add a breakpoint before the call to read(), the debugger pauses the execution, so I suppose the breakpoints are OK.
In the executable Info window, Debugging tab, I use the pseudo terminal with the Java debugger.
So my question is: how can I enter values from the standard input in debugging mode?

I believe that you are seeing these problems because we have found the
current versions of RMI found in the JDK to be inherently unscalable -- we
do not listen for them. As you noticed, we recommend that you use our
packages for now, and then do the simple change that you found if you decide
that you do not like WLS. (If you do decide that you do not like us, please
definitely let us know why you chose the way you did!)
Thanks,
Michael
Michael Girdley
Product Manager, WebLogic Server & Express
BEA Systems Inc
"Tim Dawson" <[email protected]> wrote in message
news:397b8cc2$[email protected]..
We're developing a J2EE application on NT using WLS 5.1, SP3, but we don't
want to be tied to any particular J2EE server, so we're making sure that
none of our code is weblogic specific.
In keeping with this philosophy, I created an RMI service that used the
standard java.rmi.* imports instead of weblogic.rmi.* and used thestandard
RMIC compiler rather than the weblogic.rmic compiler.
Unfortunately, I couldn't get the system to work. I kept getting
"java.rmi.MarshalException: Error marshaling transport header; nested
exception is: java.io.EOFException" whenever I'd call Naming.lookup().
Of course, when I did the search & replace with java.rmi.* with
weblogic.rmi.*, and switched from the standard rmic to weblogic.rmic,
everything started working just fine. This is the ONLY change I made!
Has anyone else run into similar problems?
Tim Dawson
Sr. Software Architect
is.com

Java script error with adobe form

Hi All,
We had installed Adobe Document server recently.
while trying to open the ess - expense detail form through PDF we are gettng following error in sequence
Intenet Explorer Script error
1. 'sapUrDomainRelaxing' is undefined
2. object expected
3. 'ssr' undefined
then we are getting blank page .
but if are changing the mode and open the expense detail through HTML then everything is ok.
we had checked the following
1) namespace defnition
2) services active in transaction SICF
3) there is no problem with the installation of Adobe server.
4)There is no mismatch with the server version
in order to open ess/mss application through adobe any other pre-requiste has to be met at browser and server side
any ideas would be welcomed
ofcourse points will be awarded
Expecting urs valuable reply
Regards,
vijay.

Hi
atlast we scaled down reason for this error is that problem with the installation of ACF.
BUt unfortunately the file xAcf_NW711_SP00.exe is not available anymore from sap note 766191
https://sapmats-de.sap-ag.de/download/download.cgi?
id=F9RUZ3Q7TERUBSMHSXWT3UMEM59IJYIPA931VQD32A1UNAKZ6B
So if u guys can send me the link to download this file or if u can send me the file through email would be really thankful to you guys.
Thanks
Vijay.
ps: A special thanks to Gurprit Bhatia for scaling down the reason

TOC/Script problem with Netscape

I am using RoboHelp (webhelp) 5.5.
I am facing two problem with netscape browser.
1. loading the page itself take long time and show a message
that script on this page is causing mozilla to run slowly.
2. in the TOC when i click the TOC BOOK the content of the
page inside that book is opened in new tab page in the same browser
instant

Hello Robo_Rajesh,
Welcome to the forum.
As a start point, I would suggest you check the following on
Peter Grainge's web site for an explanation.
Click
here.
Hope this helps.
Brian

Rollover Java Script Problem

I just upgaded to a new Windows 8 system and also upgraded from old Macromedia Dreamweaver 8 to CS6.
On my old system, when I inserted an image object / rollover image, the code that was written inserted BORDER="0".
That made it so when viewed in a browser, the image was not bordered with hyperlink blue/purple.
My new system does not put the Border="0" in the code and thus I get a border of the rollover image in hyperlink colors.
I've tried changing the CSS for links, etc. and it does not have any effect on rollovers.
How do I get the java script writer to add that after the image size in the source code the dialog box creates???
Your help is much appreciated!

Thanks Ben,
Thanks for your help with the ‘LISTINGS’ page on my website (link below).
Setting up CCS for no border for tag “a img” (link images) got the effect I need without changing the other image types on the page that have their own formatting.
However, years ago, using a 6 inch thick dreamweaver book, I was able somehow to save a variable BORDER=”0” in some way that changed the Java Script to automatically insert that when using the top menu, to insert image object / rollover image. Do know of a way to change the behavior attribute for rollover (image swap / image restore)???
I know there’s a way. Do you know how to do it?
GORDON HUNT
REALTOR
CHAPMAN RICHARDS & ASSOC.
801-486-7075
<http://www.gordonhuntrealestate.com/> GordonHuntRealEstate.com
P.S. The Finest Compliment I Can Receive Is Your Referral!

Java script...Problem with Arrays...

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