Strange question about GRUB2

I have a strange question:
What else can be added into GRUB loading menu? Like memtest86+ ?
Some tests or other usefull stuff...
Last edited by m0nhawk (2010-10-21 17:06:13)

You may be interested in those (parted magic, boot from floppy/usb/cd, boot from an ISO on a USB drive so you can have multiple distribution on a single thumbs drive)
http://www.plop.at/en/bootmanager.html
http://ubuntuforums.org/showthread.php?t=1288604

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Strange question about cookie

jsp page 1 create a cookie and send it to browser,then forward to jsp page 2,
jsp page 2 can read cookie successfully,and jsp page 2 link to jsp page 3,
but in jsp page 3,cookie can't be read yet,why?
Anybody have experience like to tell me?

Thx.I have solved the problem.
The reason jsp page 3 can't read cookie is cookie has the
property "path",the application write and the application read
the cookie must be at the same path,otherwise it failed to read.
If they are at the different path,you must use cookie.setPath()
method to set the path which the application read is at before
you write the cookie.
The other thing I found is forward() will not change the path,
so why the jsp 2 can read the cookie.
once you added a cookie to your response, then any
resource in your application should be able to read it
and retrieve it's value, because actually it is going
to be stored at the client local drive. maybe you
should be sure about the age of the cookie i.e
Cookie userCookie = new Cookie("cookiename",
"cookie_value");
userCookie.setMaxAge(60*60*24*365); // 1 year,
setMaxAge in seconds
response.addCookie(userCookie);
so maybe if you try to set the max age of the cookie
it would work
regards

Strange question: about Applet

My applet only import:
import java.applet.*;
Why it said "class not found" when loaded it in browser?

I have tried in IE6 and IE5.5,they can't load the class file too,
and if I use the java plugin,it works ok.
But my program import nothing not include in jdk1.1,
so it's too strange.
I am sure the file in that directory and
no error or warning when compilation.
what browser are you using?
some possible reasons:
1.the browser is using lower version of vm than the
development enviroment
2.the applet files are not in that directory
3.something wrong in your html file
by the way, did your applet work in IE?

Question about PNP...LDB

Hi All,
I have been asked a simple but strange question about PNP LDB. When we assigned logical database in our program, it will basically create a selection screen, which have certain fields. Like Today.. Some date ranges. Person assigned number, company code, company status.
From my standpoint I know when ever we give selection to PNP screen we have to check this selection parameters in our programs, like date range ,person number, employee status etc .RIGHT?
Somebody ask me that without checking selection in our report I mean any parameters, it can filter the record, my Answer was BIG NO. You need to check all the parameters in your program.
Next question asked by me was what the purpose of PNP. I replied that rather then declaring and doing bunch of databases SAP provide logical database so current all the records and do what ever you like to do.
What you think guys?
Thanks

Here`s the question , when I am giving "1"active employee in employee status why its pulling up the information for '0' withdrawn employee?
Message was edited by: Saquib Khan

Some questions about configuration in MAX.

Hello,everyone!
I have some questions about configuration in MAX(I am a jackaroo for motion control development),I hope I can get your help.
I use PCI-7344+UMI-7764+Servo amplifier+Servo motor,my MAX version is 4.2 and I use NI-Motion7.5
My question as following:
1,In Axis Configuration,for motor type,why I must select stepper but not servo?my motor is servo motor!If I select Servo,my motor can't run,I don't know why.
If I select stepper,though motor can work but I can't test encoder in MAX.
2,In Stepper settings,for stepper loop mode,why I must select open-loop but not close-loop?If I select close-loop,the servo motor doesn't work too.
3,If I want my two servo motors run at different velocity,How shoud I do?It seems I just can set the same velocity in MAX for my two servo motors.
My English is poor,Pls pardon me!I come from China.
Thank you for your help!
EnquanLi
Striving is without limit!

Hi,Jochen,
Thank you for your kindly help!
The manufacturer of the drive and motor that I am using now is Japan SANYO DENKI,drive type is RS1A01AA,motor type is R2AA06020FXP00.
And I use position control mode,thehe encoder's counts per revolution is 131072.I set the electronic gear ratio to 1:1 for drive.
Now,I can use Close-Loop to control the motor but still has some problems.When I configure it to run in closed loop mode, the motors behave strangely and never move to the target position.When I configure it to run in closed loop mode, the motors behave strangely and never move to the target position.The detail situation is as following
1,Motor can't run.
2, Or motor moves to a position, then moves in the same direction agian and eventually stops.
Except for the two points mentioned above,"Following Error" is occured frequently,I don't know why.
I am still not clear why I must set the motor type be stepper in MAX .
And I have another question:what the relationship between the steps and the counts?They have the proportion relations?I notice that there are a section said like this in help document: For proper closed-loop and p-command operation, steps per revolution/counts per revolution must be in the range of 1/32,767 < steps/counts < 32,767. An incorrect counts to steps ratio can result in failure to reach the target position and erroneous closed-loop stepper operation.
I am verry sorry I have too many questions!
I am very appreciate for your kingly help!Thanks again!
EnquanLi
China
Striving is without limit!

A question about compatiblilty of JDBC

Hi, there,
I have a question about JDBC 3.0 in JDK1.4.1.
We build a .jar using JDK1.4.1 and this .jar file
provides JDBC 3.0 interface.
I then tried to call the interface under JDK1.3.1
but it keeps asking me about the getParameterMetaData()
in PreparedStatement.
(The error message like this:
Exception in thread "main" java.lang.NoClassDefFoundError: java/sql/ParameterMetaData dbmaker.sql.JdbcOdbcConnection.prepareStatement(JdbcOdbcConnection.java:257)
I did implement the getParameterMetaData() method,
but I didn't call this method in my testing program.
It's quite strange since when JDK1.2 was release,
we implemented the getBlob() method in
ResultSet class and there's no problem when we
use JDK1.1 run time to call this ResultSet object.
Could any one tell me why? Is this caused by a
compatibility problem between JDK1.4 and the
older versions of JDK?

Hi, there,
Let me outline the condition by examples so that maybe you can help me. PLEASE! Could somebody tell us what's wrong?
- CASE 1:
In JDK1.2, we implemented a new method getBlob which returns the type of Blob (this is done according to JDBC 2.0 specification.) in ResultSet class. We can use the .jar compiled by jdk1.2 in jdk1.1 environment.
e.g. We make a xyz.jar by jdk1.2 and the xyz.jar includes new method getBlob in ReaultSet class. Then, one java application including ResultSet class CAN run under jdk1.1 with xyz.jar, if the method ResultSet.getBlob() is not called.
- CASE 2:
BUT, the following case which is the same as in the above condition will fail in jdk1.3 environment.
In JDK 1.4, we implemented a new method getParameterMetaData() which returns the type of ParameterMetaData. (BTW, this is done according to JDBC 3.0 specification.) in PreparedStatement class. We CANNOT use the .jar compiled by jdk1.4 in jdk1.3 environment.
e.g. We make a ttt.jar by jdk1.4 and ttt.jar includes the new method getParameterMetaData() in PreparedStatement class. Then, one java application including PreparedStatement class CANNOT be run under jdk1.3 with ttt.jar, even when the method PreparedStatement.getParameterMetaData() is not called.

Question about setting track level

Hi I finally got my new macbook pro and moto 8 pre and have just today tried a bit of recording just to get used to it. I am at the moment using garage band. I have a question about track levels. In Garage Band when I select a track to record there is a slider for input level or an option of clicking the automatic level control. But for some reason they are both just that color of grey you get when something can not be selected on a computer. How do I activate this? It's strange as I did actually manage to record the track, I just can't seem to really adjust the level. I thought maybe it has to do with the motu and I can only select the track level there, and that garage band level setting are (rightfully) disabled? Maybe that's what I should be doing, but just a bit confused. Anyway, thanks in advance for whoever takes the time to help out a newbie.

Ah, ok. Good to know. Thanks for the info.

Question about the Headphone Jacks on the DDTS-100

This is probably a strange question, but I am goona ask anyway...
Anyone know whether the headphone jacks on the DDTS-100 gets Dolby Digital, Dolby Digital Pro Logic II? I know it supports it for speakers, but I am unsure about headphones.
I am considering buying this with Medusa 5.1 Headphones, and I am trying to figure out whether the Dolby Pro Logic II would work with those.
From what I understand regular 5.1 Headphones do not use the 5 channels unless it is a 5 channel source like a DVD. What I am thinking is that the Dolby Pro Logic II on the decoder might solve that?
Would this work?
Thanks for your time!

Thank you both very much for your help!
Yes, I was considering pluging it in exactly as ya just mentioned connecting the headphones via the speaker ports, since the Medusa Headphones do have the same plugs as the 5.1 speakers.
Soo, that might work then? Cool! ty
Now that I look at it, the headphones instructions on the cords on the net mentions pluging it in exactly like that.
Thanks again!,
MMPD
http://www.livingtorrents.com

2 question about GPU and Lens correction ,cs5

Hi
i have 2 questions about Gpu and lens correction in Cs5
1)Filter->lens correction->search online
i get often and almost every connection time out at the first click on search online , at the second click i get no online profile
is it normal?
2) question is about Gpu
it run faster , but talking about ajustament layer
like saturation or vibrance for example
i found with the gpu on , a light slow refresh compared with gpu off
i have set cache levels 6 ,history 20
i guess are the defaul
well i add a saturation layer and move the saturation slide ,increase o decrease saturation
with Gpu Off , the changes are immedially , i mean i can see in real time the increase o decrease of saturation
with Gpu On it takes a few(very few) time more
again is normal ?
don't be angry , i'm going to buy cs5 and i'm unsecure ... the price make a big role
thanks

For what it's worth, I also see a timeout on the first [ Search Online ] click, after about half a minute delay. Second click turns up results immediately. This happens each time Lens Correction is started, even without restarting Photoshop, and in both 32 and 64 bit versions. Also note that I started with one profile listed by default (though from the wrong camera) for my 40D with 28-135 zoom.
I alsow noticed that I was seeing progress bar activity in the Lens Correction dialog while I was typing this (even though Lens Correction was NOT the active window) every time I hit the 'L' key. Strange.
Windows 7 x64.
-Noel

This is a two part question about the creative 16gb Zen?

8This is a two part question about the creative 6gb Zen? First of all, my battery life dropped very suddenly. One charge I was getting the full 30 hour battery life and the next it dropped to under ten. I tried using their tips on how to extend the battery life and I am still getting less than 0 hours of battery life. Why would it dropped more than half the amount between charges? I tried recharging it after it ran out and still the same thing. Any help?
Second, (I am adding this question because it might relate to the first in some way) my mp3 player has been behaving strangely lately. For example, some artists sometimes have letters removed or all but the first end up being removed. But, if you reset the player, the artists go back to the full name. Also, my player has been taking a little longer than usual to turn on. It takes about 30 seconds to turn on instead of the 5-0 that I'm used to. Does anyone know why this might be happening?
My Zen is only 4 months old, and I would be very upset it it's breaking already. Please, if you have any suggestions on how I can fix what's happening, post them. (Even if they?probably won't work, they're worth a try.)

< This is an unusual one; never heard of it before. All I can suggest is cleaning up and perhaps reflashing the firmware. If it still is doing this, then get the thing exchanged pronto.
My guess is that the problems are indeed closely related.

Odd question about engraving a shuffle

I received a Shuffle as a gift and noticed he had a message engraved on the clip. This was over two years ago. I'd like to know if he had gotten the message from the engraving gallery or if he made it up himself. The quote is not in the gallery, but since I received the shuffle long ago, it's possible Apple replaced it with something else. I can't find a way to contact Apple about this (by email, I'd rather not call about this); does anyone know how I can email them about this, so I can ask them if the message was ever in the gallery? It's a strange question, but I'm asking because it would make me feel even more special if the guy took the time to write something himself. Of course the thought, gift and engraving together are already signs of affection...poetry would make it even sweeter. Thanks.

If you got it more than 2 years ago it is not a 3rd Generation Shuffle and you are posting in the wrong place.
I doubt they have removed anything from the engraving gallery, which if I recall is a fairly recent option, although I can't be sure when it was put into place since I've never had one engraved. There is no place to email them and it would probably be hard to find anyone who would remember this anyway. So since it is not in the gallery take it on faith it was put there by the giver.
Of course they could have copied it from somewhere else. Have you tried a Google search?

[SOLVED] Question about GCC error messages.

I'm currently taking a course in C programming, and I have a question about the error messages returned by GCC.
When ever i try to compile a program containing syntax errors, i get cryptic and not very helpfull error messages.
If i try to compile:
#include <stdio.h>
int main(void)
int i;
i = 0
return 0;
I get following from GCC:
error.c: In function â:
error.c:8:2: error: expected â before â
But shouldn't the message be something like:
error.c: In function 'main':
error.c:8:2: error: expected ; before 'return'
or am I mistaken?
/AcId
Last edited by AcId (2010-10-13 17:48:19)

Woah. That is very strange. I've never seen that before.
I assume you're using Arch Linux. What text editor did you use to write the code? Which terminal application are you using?
...those questions are probably unrelated to the problem, but we might as well get them out of the way.

Hello! I have a huge question about how can I get connected my iphone 4 with my car Is there any opption on find my car application? I have a Volvo xc60 and I want to be connected all the time with my iphone. Can I do that?

Hello! I have a huge question about how can I get connected my iphone 4 with my car Is there any opption on find my car application? I have a Volvo xc60 and I want to be connected all the time with my iphone. Can I do that?

Hello. I can say that you have a quite strange „huge question”… It’s non-sense to stay connected with your car which is hundreds miles away. Unless…
I have a theory. You don’t want to controll your car, you want to controll somebody who is driving the car. Volvo XC 60 is a nice family car, usually used by married men between age of 35-45, probably with small children, so it’s very unlikely that you want to controll your teanage kid, mainly because probably even if you would give him/her to drive the car in the neighborhoud, I don’t think that he/she would be „several hundred miles away”… If your child is not young teneage anymore, and he/she has his/her own life, but you want to control him/her, that is sick… So I am convinced that you want to controll your husband who probably travelling often! Am I wright?
Isnt’t nice at all! Would you like if you would be monitorized in such way? I bet you don’t!
Anyway, iPhone is smart, you can use for many things, but come on, you really were thinking that there is such kind of application???
What could you do it's to put in the car a GPS survelling system, however I don't think that you could do it without your husband knowledge, otherwise he won't be able to start the engine...

Question about expression language

Hello,
I have a question about expression language - is it possible to access one variable using abother EL as variable name? For example?
${applicationScope[${sessionScope.project.name}]}Or is there any other way of achieving that?
Thanks a lot for your help
Cheers,
Maciej
Edited by: swider on Oct 29, 2008 2:12 AM

I ran some other tests and I found out that following expression does not return value:
${applicationScope[sessionScope.project.aclId]}but this one is working
${applicationScope[sessionScope.aclId]}It is very strange. Project class ia simple JavaBean, has two members (Long and String).
Any ideas what can be wrong with that?
Cheers

A simple question about DAQ data sampling

Hi all:
Now I meet a very basic question about DAQ sampling. I am using NI PCI-6040E DAQ card, SCXI-1001 chasis, SCXI-1102, SCXI1300 terminal block, and SCXI1160 relay module.
I am not sure , is it possible if I want to test a voltage (1 volt) on a resistor. Now I am connecting the Ch0+ to resistor+ (24 volt), and connecting Ch0- to resistor-(23 volt). So the voltage between resistor+ and resistor- should be 1volt. Actually, It is working at the first, but after I want to test 9 channels based on this connection. The Measurement & Automation can't read data from the DAQ card. (when I test it by multimeter, I can get the voltage data on the Ch0+ and Ch0- of SCXI1300 terminal block).
That's strange, does anybody know what' s wrong about it?/
Thanks a lot

Hi hanwei,
According to the specifications of the PCI 6040E (page 3), the input signal and common mode voltage should never exceed 11V from ground. I believe this is the reason you are able to measure the potential of a battery but not the 24V signal (even though the differential value is only 1V).
Best Regards
Hani R.
Applications Engineer
National Instruments

Strange question about GRUB2

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