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Arquillian with NetBeans, WebLogic 12c, JPA and a MySQL Datasource

You probably followed my posts about testing more complex scenarios with embedded GlassFish (Part I / Part II). Next on my list of things to do was to get this setup working with latest ...
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Hadoop Modes Explained – Standalone, Pseudo Distributed, Distributed

After Understanding What is Hadoop Lets start Hadoop on Single Machine: This post contains instructions for Hadoop installation on ubuntu. This is a quick step by step tutorial of Hadoop ...
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MongoDB with Spring Data project

All of us are observing the explosion of NoSql solutions these days. I get used to RDBMS but those are not a solution for all kind of challenges you might have. In my recent experience ...
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Sharding system architecture: Several things you may need know

[Introduction] Some of you may wondering what’s sharding? If you don’t know the concept, please read the link http://en.wikipedia.org/wiki/Shard_(database_architecture). ...
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Configuring MyBatis 3

MyBatis is a very popular and also most efficient SQL mapping framework. MyBatis is available for both in java as well as .net language. MyBatis is not really an alternative of Hibernate ...
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Java 7: How to write really fast Java code

When I first wrote this blog my intention was to introduce you to a class ThreadLocalRandom which is new in Java 7 to generate random numbers. I have analyzed the performance of ThreadLocalRandom ...
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The Wizard Design Pattern

We all love wizards…. (Software wizards I mean). We are always happy to jump on those ”Next” buttons like we were dancing the funky chicken on our… well you get ...
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JSF and the “immediate” Attribute – Command Components

The immediate attribute in JSF is commonly misunderstood. If you don’t believe me, check out Stack Overflow. Part of the confusion is likely due to immediate being available ...
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Java 7 – The NIO File Revolution

Java 7 (“Project Coin”) has been out since July of last year. The additions with this release are useful, for example Try with resources – having closable resources handled automatically ...
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XML parsing using SaxParser with complete code

SAX parser use callback function (org.xml.sax.helpers.DefaultHandler) to informs clients of the XML document structure. You should extend DefaultHandler and override few methods to ...
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