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Published on 2010-04-13T12:12:55Z
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2010/04/13
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If Java does not have pointers then what does the the new keyword do in Java?
I am confused, please explain.
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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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In this insightful article, one of the Qt programmers tries to explain the different kinds of smart pointers Qt implements. In the beginning, he makes a distinction between sharing data and sharing the pointers themselves:
First, let’s get one thing straight:
there’s a difference between sharing
…
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My code has an interface like
class IExample { ~IExample(); //pure virtual methods ...};
a class inheriting the interface like
class CExample : public IExample { protected: CExample(); //implementation of pure virtual methods ... };
and a global function to create object of this class -
createExample(…
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i have two pointers,
char *str1;
int *str2;
if i look at the size of both the pointers lets assume
str1=4 bytes
str2=4 bytes
str1++ will increment by 1 byte
but if str2++ will increment 4 byte
could anybody tell e the concept behind this?
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HI,
I have this query about smart pointers.
I heard from one of my friends that smart pointers can almost always replace raw pointers.
but when i asked him what are the other cases where smart pointers cannot replace the raw pointers,i did not get the answer from him.
could anybody please tell…
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In a C++ program that doesn't contain legacy C code, is there a guideline regarding the maximum number of levels of indirection that should be used in the source code? I know that in C (as opposed to C++), some programmers have used pointers to pointers for a multiple dimension array, but for the…
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