The official definition of the Decorator pattern from the GoF book (Design Patterns: Elements of Reusable Object-Oriented Software, 1995, Pearson Education, Inc. Publishing as Pearson Addison Wesley) says you can, “Attach additional responsibilities to an object dynamically. Decorators provide a flexible alternative to subclassing for extending functionality.”
XWiki is a growing open source wiki that can be easily used withing a corporate. It has many features that can be integrated in a wiki application with reliability for the user. XWiki is written in Java and supports a variety of datasources: MySQL, PostgreSQL, Oracle etc.
iText is a Java library for developers looking to enhance web- and other applications with dynamic PDF document generation and/or manipulation. Constructing tables with the iText library can be thought of as an easy task, but there is much more thought that should be put into this when generating large dynamic tables (variable number of […]
When using Hibernate in a project, correct configuration of the service is a must, otherwise errors won’t let you alone 🙂 Following the basic steps of configuration, I found myself facing an error, of which cause made no sense on the moment because I thought my configuration were correct. In the hibernate.cfg.xml file, sessionFactory was […]
In a recent project I had to handle with two simultaneous DB connections using SimpleORM. As you probably know SimpleORM, according with the official web site, is “a full featured Java object relational mapping system that avoids exotic technologies such as byte code generation [more]”. After spending some time in searching more info about how to […]
After several months of development the Document Data-Tracking Client was released last week. It is an open-source desktop client application for the TraSer server and it is build upon the GUI4j framework. Also, it is available for download on Source Forge.
This article describes an enterprise collaborative portal approach that plays an active role for company employees, partners and customers by managing business content, unifying work teams and providing one- stop access to essential documentation, functionality and services.
What is ExpDB ExpDB (a.k.a. Experience DB) is a software system which consists in a database of experiences, different situations in general, that are thought at a higher abstract level, the purpose being to manage diverse knowledge, in a controlled and organized manner. It allows persisting knowledge by categorizing it and by filtering it, based […]
The project target is building an electronic PC Remote Control, having Bluetooth as the primary network communication protocol. Our first aim is the study of the Bluetooth standards and specifications and second aim it is the development of an application, a multi-platform, multi-system, universal PC remote controller.
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