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Hadoop + Amazon EC2 – An updated tutorial

There is an old tutorial placed at Hadoop’s wiki page: http://wiki.apache.org/hadoop/AmazonEC2, but recently I had to follow this tutorial and I noticed that it doesn’t ...
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Sandboxing Java Code

In a previous post, we looked at securing mobile Java code. One of the options for doing so is to run the code in a cage or sandbox. This post explores how to set up such a sandbox ...
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Why Future Generations Will Hate You for Using java.util.Stack

Before I kill you with some meaningless tautology, here is the gistIf your application is near real time or you are sending your code to Mars, you need to keep off the default Stack ...
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Basics about Servlets

Through this tutorial i will try to get you closer to the Java Servlet Model. Before we start with examination of classes defined within the servlet specification, i will explain basic ...
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Java 7: File Filtering using NIO.2 – Part 3

Hello all. This is Part 3 of the File Filtering using NIO.2 series. For those of you who haven’t read Part 1 or Part 2, here’s a recap. NIO.2 is a new API for I/O operations ...
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java.lang.ClassNotFoundException: How to resolve

This article is intended for Java beginners currently facing java.lang.ClassNotFoundException challenges. It will provide you with an overview of this common Java exception, a sample ...
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JUnit4 Parameterized and Theories Examples

I always relied on TestNG to pass parameters to test methods in order to give a bit of flexibility to my tests or suites. However, the same flexibility can be achieved using JUnit4. To ...
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Gang of Four – Proxy Design Pattern

Proxy is another Structural design pattern which works ‘on behalf of’ or ‘in place of’ another object in order to access the later. When to use this pattern? Proxy pattern is ...
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Java Regular Expression Tutorial with Examples

When I started my career in java, regular expressions were a nightmare for me. This tutorial is aimed to help you mastering java regular expression and for me to come back at regular ...
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Spring MVC REST Calls With Ajax

This post provides a simple example of REST calls to a Spring MVC web application. It is based on the Serving Static Resources With Spring MVC and Fetching JSON With Ajax In Spring ...
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