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Hadoop setup on single node and multi node

We will describe Hadoop setup on single node and multi node. The Hadoop  environment setup and configuration will be described in details. First you need to download the following ...
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Minor Gotchas from migration to Java 7

After several years of pushing, we are finally starting to pull our application out of the dark ages  in terms of software levels and one of those steps is upgrading our Java version ...
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Heroku and Java – From Newbie to Beginner, Part 1

Recently I’ve heard that Heroku allows deployment of Java applications in it’s Cedar stack. Having no real software idea I decided I’ll give it a try and just configure SOMETHING ...
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Asynchronous CDI Events

Few days ago, during our regular code review, one of my colleagues raised a question what would happen — and if it’s even possible — when a CDI Observer (so a method with parameter ...
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The Democratization of Search

Over the past year and a half, I’ve watched ElasticSearch grow from a seemingly part-time code experiment into a thriving ecosystem. Not only has the number of client libraries grown ...
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Gradle Goodness: Running a Single Test

We can run test code with Gradle using the test task that is added by the Java plugin. By default all tests found in the project are executed. If we want to run a single test we can ...
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Java Reflection oddities with inner class constructor parameters

About Java inner classes Java allows member classes (classes that are defined inside other classes), local classes (classes that are defined inside statement blocks) and anonymous classes ...
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Spring Security Login

1. Introduction This article is going to focus on Login with Spring Security. We’re going to built on top of the simple previous Spring MVC example, as that’s a necessary part of ...
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Hibernate 4 with Spring

1. Overview This article will focus on setting up Hibernate 4 with Spring – we’ll look at how to configure Spring 3 with Hibernate 4 using both Java and XML Configuration. Parts ...
spring-interview-questions-answers

Spring MVC Tutorial

1. Overview and Maven This is a simple Spring MVC tutorial showing how to set up a Spring MVC project, both with Java based Configuration as well as with XML Configuration. The Maven ...
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