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Hot Deploy on JBoss (5.0.1) (JSF, SEAM)

In this period,i’m working on a J2EE project based on EJB3 and JSF with RichFaces. The building and deploying are managed with ANT scripts. Every time i need to modify just a little label on a...

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Map Oracle to Java Objects

Oracle Objects are user defined types that are used to insert some OOP elements in a well-known relational database. Sometimes does happen that you need to map a more complex behaviour and standard...

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Fullscreen support Eclipse Helios and Indigo for Mac OS X Lion

Fullscreen apps in Mac OS X Lion is a great feature. Eclipse Indigo (the last Eclipse version) was released just few weeks before MacOsx Lion and doesn’t support it. Looking for a solution i found on...

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Cursor as Stored Procedure out parameter mapped with JAVA ResultSet

In a recent project i need to write a very complex query that,depending on input parameters, have to compose itself. SELECT, FROM, WHERE and ORDER BY clauses were all builded dinamically. For this...

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Set different icons on the same level in a rich:tree

Today i need to set a different icon for different node on the same level of a richFaces tree. Before this need i set icon image for each node level with facet: <rich:treeNodesAdaptor id="level2"...

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Collapse other nodes on rich:tree node selection

A requirement on software i developing is concerned rich:tree selection. My customer wants that the node expansion must be performed not only on “plus/minus icon” but also on simple node selection....

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ORACLE TEXT: a simple way to implement scoring text search engine on ORACLE DB

ORACLE TEXT is an ORACLE extension to build text query and document classification. In this post i will describe text query functionality. My customer wants a search functionality on several database...

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Design Pattern : Observer

Today i wanna speak about a classic Design Pattern : Observer. Observer is usually used when an object needs to be informed about other’s object state changing and, as general rule, in events...

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Deep recursion in Java

Recursion is a very elegant way to write some kind of algorithms. With few code lines we can implement complex solutions. We know that, on each call on a recursive method, we add a new record with all...

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