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Hadoop MapReduce Concepts

What do you mean by Map-Reduce programming? MapReduce is a programming model designed for processing large volumes of data in parallel by dividing the work into a set of independent ...
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CSRF protection in Spring MVC, Thymeleaf, Spring Security application

Cross-Site Request Forgery (CSRF) is an attack which forces an end user to execute unwanted actions on a web application in which he/she is currently authenticated. Preventing CSRF ...
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JavaFX Tip 2: Sharp Drawing with Canvas API

When I initially started out working with the Canvas API I noticed that the results of my rendering code were somewhat blurry and even worse, inconsistent. Some lines were blurry, others ...
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JavaFX Tip 1: Resizable Canvas

While working on FlexGanttFX I had to deal a lot with the JavaFX Canvas node. I am using it to render activities on a timeline. Each row in the Gantt chart is a Canvas node. The user ...
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Memoization of Scala Streams

I learnt the hard way that scala internally uses memoization with Streams. This was my first attempt at a solution to Euler Problem 5                 def ...
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Dubious Aspects of Features of JDK 8

Most of us who develop with Java are generally enthusiastic for the features and improvements that come with JDK 8. However, there have been several recent posts that have pointed out ...
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ClassNotFoundException: is it slowing down your JVM?

Most Java developers are familiar with the infamous and very common java.lang.ClassNotFoundException. While the sources of this problem are generally well understood (missing classes/libraries ...
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A Docker Maven Plugin for Integration Testing

What is Docker? Docker is the buzzword that is taking the DevOps world. If you don’t know yet what is Docker, be warned, you will find yourself using it one way or another very ...
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Apache Olingo is now a top-level project

The Apache Software Foundation recently announced that Apache Olingo has graduated from the Apache Incubator to become a Top-Level Project, thus signifying that the project’s ...
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How much faster is Java 8?

Java SE 8 was released yesterday. Traditionally, every new major JRE version comes with a free performance boost. Do we get another free lunch? And how big is the gain this time? Let’s ...
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