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Published on 2010-04-13T03:45:28Z
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2010/04/13
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Does Java have any functionality to generate random characters or strings? Or must one simply pick a random integer and convert that integer's ascii code to a character?
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I'm trying to setup a tomcat6 server, and I'm trying to match another setup someone else established. However, my deployment (default Ubuntu install) uses a policy.d/ directory structure, and the established server just uses a catalina.policy file. I've tried setting every entry in policy.d to match…
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I am not able to create a Queue connection in JBOSS4.2.3GA Version & Java1.5, as I am using MDB as per the below details.
I am putting this MDB in a jar file(named utsJar.jar) and copied it in deploy folder of JBOSS, In the test env. this MDB works well
but in another env. [ env settings and…
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Hi,
I am using Postgres and gwt 2.0 for one of my applications. I am facing problem connecting to the database. When I try to connect it gives "ClassNotFoundException". Here is what I get when I try to connect to database:
java.lang.ClassNotFoundException: org.postgresql.Driver
at java.net…
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Hi,
For i am using postgre and gwt 2.0 for one of my applications. I am facing problem connecting to the database. When i try to connect it gives "ClassNotFoundException". Here is what i get when i try to connect to database:
java.lang.ClassNotFoundException: org.postgresql.Driver
at java.net…
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Hi, I'm trying to migrate an application running on JBoss 4.2.2.GA to JBoss 6.0.0.M2
I give you some log to explain my problem :
boot.log :
2010-03-16 09:59:29,406 ERROR [org.jboss.system.server.profileservice.ProfileServiceBootstrap] (Thread-2) Failed to load profile: Summary of incomplete deployments…
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I asked this question on stack overflow, but didn't get any answers, so I'm trying here.
Does anybody know whats happening here? I tested on opera, dolphin and the factory android browser. (although it seems now to be working on opera)
The div doesn't change size, but the text somehow is shrunk…
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I have this code for a arraylist of entities.
All the entities use the same random and so all of them move in the same direction. How can I change it so it generates a new random number for each entity?
public void moveFemale() {
for(int i = 0; i < 1000; i++){
random = rand.nextInt(99);
…
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I did this to test the randomness of randint:
>>> from random import randint
>>>
>>> uniques = []
>>> for i in range(4500): # You can see I optimistic.
... x = randint(500, 5000)
... if x in uniques:
... raise Exception('We duped ' + str(x) + '…
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I've read about it on a message board - Random class isn't really random. It is created with predictable fashion using a mathematical formula.
Is it really true? If so, Random isn't really random??
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I am trying to generate a good random seed for a psudo-random number generator. I thought I'd get the expert's opinions. let me know if this is a bad way of doing it or if there are much better ways.
#include <iostream>
#include <cstdlib>
#include <fstream>
#include <ctime>
unsigned…
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