Java
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Don’t rely on unit tests alone
When you are building a complex system, barely testing components in isolation is not enough. It’s crucial, but not enough.…
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Singleton Design Pattern – An introspection and best practices
Definition: Singleton is a part of Gang of Four design pattern and it is categorized under creational design patterns. In…
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Spring Bean names
Spring bean names are straightforward, except for cases where names are not explicitly specified. To start with, Spring bean names…
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Hadoop Hangover: Launch a hadoop cluster CDH4 using Apache Whirr
This post is about how-to launch a CDH4 MRv1 or CDH4 Yarn cluster on EC2 instances. It’s said that you…
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Pool of ssh connections using Apache KeyedObjectPool
I found the org.apache.commons.pool extremely useful and robust, but not well documented. So, I’ll try to help a bit here…
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Hello GroovyFX
GroovyFX brings together two of my favorite things: Groovy and JavaFX. The main GroovyFX Project page describes GroovyFX as ‘[providing]…
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Introduction To JavaEE Concepts
This post aims at clarifying acronyms and concepts used in the J2EE paradigm. J2EE stands for Java to Platform, Entreprise…
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Bloated JavaBeans – Don’t Add “Getters” to Your API
I have recently blogged about an idea how JavaBeans™ could be extended to reduce the bloat created by this widely-accepted…
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JDBC Realm and Form Based Authentication with GlassFish 3.1.2.2 and Primefaces 3.4
One of the most popular posts on my blog is the short tutorial about the JDBC Security Realm and form…
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