here my thoughts:
//array of questions
q = new Array()
//array of answers
a = new Array()
//submitedAnswers
aS = new Array()
//timelimit of each question
timeL = 20;
//score
score =0;
// function to calculate the time
function time(){
}
//function to check the submited answers against the a array
...
kirara
Last Activity: Mar 8 '08, 01:37 AM
Joined: Dec 16 '06
Location: UAE
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Javascript multiple quiz with a timer
Hi,
I am new to javascript and I want to construct a quiz with five questions, and for each question there is a 3 choises, the user can only choose one answer (radio buttons) and for question there is only a 20 second to answer it before moving to the next question.
my question is, how can I add a timer for each question and move to the next question when the time is 0,
please I'll appreciate any help... -
I have a question, I am not sure but is rmiregistry for one machine should be the same as another one (I mean the classpath)?
I use this code to in the Host class to lookup the Registrar remote object of the other machine:
ri = (RegistrarInter face) Naming.lookup ("//" + args[0] + "/Registrar");
where args[0] is the IP of the other machine>>>shoul d I specify the pathLeave a comment:
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hi again I appreciate your replies,
I have runned the server side first(Controlle r class) then the client(Host class)
the stubs of the host class are found and the controller is working fine,
BUT the host class give me this exception:
Exception in thread "main" java.rmi.NotBou ndException: Registrar
at sun.rmi.registr y.RegistryImpl. lookup(Registry Impl.java:106)
at sun.rmi.registr y.RegistryImpl_ Skel.dispatch(U nknown...Leave a comment:
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this is what I have done:
shell1:
ran the rmiregistry on all the machines
shell2:
ran the rmic for Report and Runn
shell3:
ran the host class
but now I have another exception:
Exception in thread "main" java.rmi.Connec tException: Connection refused to host: 10.70.50.99; nested exception is:
java.net.Connec tException: Connection refused
at sun.rmi.transpo rt.tcp.TCPEndpo int.newSocket(T CPEndpoint.java :574)...Leave a comment:
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they are in same path as the Host class, but is there a way for me to check it?Leave a comment:
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I can see the the Runn_Stub.class and the Report_stub.cla ss
but still the host class give me the same exceptions, does have to do with loading these stubs?Leave a comment:
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I have runned the rmic for both the Runn and the Report classes, and then I runned the Host class that uses those two but I am still getting the same
error...any thoughts?Leave a comment:
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RMI compiling error
Hello,
I am new to rmi and linux enviroment, I have been trying to test this code (java) on uinx where there
are three machines:
-One as a Controller
-an execution host
- a submitter
I do the following to run them:
- type "make" in all the machines to compile the all the java classes along with the remote objects.
- then run rmiregistry on all the machines
... -
that's exactly my question how to select the best fit and remove it from the collection(shor ten the orginal list), can you please be more specific I don't need codes just how the algorithm can be implemented
thanks in advance
note: when you said point me to a tutorial you meant I should read a tutorial or I should give you one?? (I didn't understand) :)...Leave a comment:
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modify a Round Robin algorithm to a Best-Fit
Hi all,
I am trying to develop a mechanism to know which machine can handle a user job (by providing his Requirements) for now I wrote this method but it is a Round robin, I am trying to modify it to a best-fit algorithm can anybody give me tips about how should I begin?
...Code:public static String canDo(Resources userReq,Hashtable hash){ //getResourceInfo() is a method that store the machine name -
THANKS ALOT you are Awesome
my tables don't have an OIDs, but I tried the following and its great because it gives an accurate records without any duplication:
thanks again i'll try it with the whole database...Leave a comment:
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Thanks for the reply
I will try it and back for feedbackLeave a comment:
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I see what do you mean, becuase it returned more than one query, but I found this querry in this site http://developer.postg resql.org/pgdocs/postgres/sql-altertable.html :
"To change an integer column containing UNIX timestamps to timestamp with time zone via a USING clause":
...Code:ALTER TABLE foo ALTER COLUMN foo_timestamp TYPE timestamp with time zone USING timestamp with time zone 'epoch' +Leave a comment:
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thanks it worked really fine
it is a UNIX time, but can't I use the MAX function with UNIX time, and I can't add anything to this table because it handled by another program...Leave a comment:
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getting the last record using timestamp
hi all,
I have a table common_memory_4 _memory it has five columns which are: freememory
usedmemory, totalmemory, sourcekey(machi ne IP(name)) and the timestamp
i want to get the newest record for a specific machine using the timestamp column
sample:
174156;"machine 2";116620026 0
173776;"machine 2";116620032 0
161704;"machine 3";116620038 0
163704;"machine 1";116620044 0...
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