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Published on 2009-07-07T05:13:23Z
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2010/03/12
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I know Java's generics are somewhat inferior to .Net's.
I have a generic class Foo<T>, and I really need to instantiate a T in Foo using a parameter-less constructor. How can one work around Java's limitation?
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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 have the following methods:
public <T> T fromJson( Reader jsonData, Class<T> clazz ) {
return fromJson( jsonData, (Type)clazz );
}
public <T> T fromJson( Reader jsonData, Type clazz ) {
...
}
The compiler is saying about the first method:
type parameters of <T>T…
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I'm trying to make use of the TheoryAttribute, introduced in NUnit 2.5. Everything works fine as long as the arguments are of a defined type:
[Datapoint]
public double[,] Array2X2 = new double[,] { { 1, 0 }, { 0, 1 } };
[Theory]
public void TestForArbitraryArray(double[,] array)
{
// ...
}
It…
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I would like to create an object of Generics Type in java. Please suggest how can I achieve the same.
suppose I have the class declaration as:
public class Abc<T>
{
public static void main(String[] args)
{
// I want to create an instance of T
}
}
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This question might seem trivial and also stupid at the first glance, but it is much more than this.
I have an array of any type T (T[]) and I want to convert it into a List generic (List<T>). Is there any other way apart from creating a Generic list, traversing the whole array and adding the…
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I'm hashing a file with one or more hash algorithms. When I tried to parametrize which hash types I want, it got a lot messier than I was hoping.
I think I'm missing a chance to make better use of generics or LINQ. I also don't like that I have to use a Type[] as the parameter instead of limiting…
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