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10 Reasons not to Choose a Particular Open Source software

We’re all Software Engineers of one type or another. Most of us have one thing in common, though: We’re lazy. And we know that someone else was less lazy and has already solved ...
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Scalable real time state update with Storm

In this post, I illustrate how to maintain in DB the current state of a real time event-driven process in a scalable and lock free manner thanks to the Storm framework. Storm is an ...
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EJB passivation and activation example

In this tutorial we are going to see how activation and passivation works in a Stateful Java Enterprise Session Bean. 1. Introduction Stateful Session Beans usually hold information ...
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Template Method Design Pattern in Java

Template Method is a behavioral design pattern and it’s used to create a method stub and deferring some of the steps of implementation to the subclasses. Template method defines the ...
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Visitor Design Pattern in Java – Example Tutorial

Visitor Pattern is one of the behavioral design pattern. Visitor pattern is used when we have to perform an operation on a group of similar kind of Objects. With the help of visitor ...
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Two TCKs for Eclipse – What is really in it for Open Source?

Back in May Oracle awarded a Compatibility Testing Scholarship to the Eclipse Foundation. This got some attention in media during the last days and I just wanted to make sure that I ...
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Transparently persist and retrieve encrypted data from database

It’s over two months since my last post here but June and July were extremely busy and intensive months this year. First, organisation of Confitura (the biggest free conference for ...
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Java EE Stateful Session Bean (EJB) example

In this article we are going to see how you can use Stateful Session Beans to keep track of state across a client Session in a simple Web Application. 1. Introduction Stateful Session ...
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Agile Mindset for Your Startup

I got to share the stage with the other half last week at Harvard Innovation Lab, when Jeffrey Beir & I took turns presenting dueling views on building your startup. Myself from ...
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Imbibing the Fluency of Mockito

I recently found myself writing some code to integrate two disparate platforms. One of these systems is Java based and the other, while not written in Java, offers a Java API. I’ll ...
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