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“Java Sucks” revisited

Overview An interesting document on Java’s short comings (from C developer’s perspective) was written some time ago (about 2000? ) but many of the arguments issues are as ...
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Storing hierarchical data in MongoDB

Continuing NoSQL journey with MongoDB, I would like to touch one specific use case which comes up very often: storing hierarchical document relations. MongoDB is awesome document data ...
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WADL in Java: Gentle introduction

WADL (Web Application Description Language) is to REST what WSDL is to SOAP. The mere existence of this language causes a lot of controversy (see: Do we need WADL? and To WADL or not ...
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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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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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