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Published on 2010-06-11T08:27:44Z
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I am using datanucleus and jdo in a GWT project. How can I retrieve the generated primary key after adding an element to the database with makePersistent()
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I would like to use the org.apache.commons.validator.GenericValidator class in a view class of my GWT web app. I have read that I have to implicitely tell that I intend to use this external library. I thought adding the next line into my App.gwt.xml would work.
<inherits name='org.apache.commons…
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I would like to use the org.apache.commons.validator.GenericValidator class in a view class of my GWT web app. I have read that I have to implicitely tell that I intend to use this external library. I thought adding the next line into my App.gwt.xml would work.
<inherits name='org.apache.commons…
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Anyone ever seen this exception? I'm running in hosted mode on GWT 1.6.4 on a mac. I'm using the AutoSuggest and it's throwing this exception trying to show the popup. It works fine in compiled mode, but obviously hosted mode is rather important.
[ERROR] Uncaught exception escaped
com.google.gwt…
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Hello everyone...
I have a problem with Eclipse when I use an RPC..
If I use a single method call it's all in the right direction but if I add a new method to handle the server I get the following error:
com.google.gwt.core.client.JavaScriptException: (null): null
at com.google.gwt.dev.shell…
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Hello
we are haunted by occasional occurences of exceptions such as:
com.google.gwt.user.client.rpc.SerializationException: Type 'xxx' was not assignable to 'com.google.gwt.user.client.rpc.IsSerializable' and did not have a custom field serializer.For security purposes, this type will not be…
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Primary key attractiveness
I have a boss(and also users) that wants primary key to be sophisticated/smart/attractive control number(sort of like Social Security number, or credit card number format)
I just padded the primary key(in Views) with zeroes to appease their desire to make the control number…
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Can a compound key be set as a primary key to another table?
For instance i have the tables:
Books -with Primary Key:Product_ID
Client -with Primary key: Client_ID
Clients_Books -with Compound Primary Key:Product_Id and Client_ID
I want to set this compound Primary key from Clients_Books as…
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I have two Oracle questions.
How can I set the primary key of a table when the table is made up of an object type? e.g.
CREATE TABLE object_names OF object_type
I have created a Varray type,
CREATE TYPE MULTI_TAG AS VARRAY(10) OF VARCHAR(10);
but when I try to do
SELECT p.tags…
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Hey guys, my goal is create an EntityManager using properties dependent on which database is in use. I've seen something like this done in all my Google searches(I made the code more basic for the purpose of this question):
@PersistenceUnit
private EntityManagerFactory emf;
private EntityManager…
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I have a existing parent-child relationship I am trying to map in Fluent Nhibernate:
[RatingCollection] -- [Rating]
Rating Collection has:
ID (database generated ID)
Code
Name
Rating has:
ID (database generated id)
Rating Collection ID
Code
Name
I have been trying to figure out which permutation…
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