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Spring MVC Form Validation (With Annotations)

This post provides a simple example of a HTML form validation. It is based on the Spring MVC With Annotations example. The code is available on GitHub in the Spring-MVC-Form-Validation ...
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Lets Crunch big data

As developers our focus is on simpler, effective solutions and thus one of the most valued principle is “Keep it simple and stupid”. But with Hadoop map-reduce it was a bit hard ...
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Is there a better approach to Marker?

Since the launch of Java 1.5 there has been a wide range of discussion and debate on whether to use the Marker interface in Java. This is because Java 1.5 has introduced Annotations ...
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Java features applicability

Java language and standard library is powerful, but with great power comes great responsibility. After seeing a lot of user code misusing or abusing rare Java features on one hand ...
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Java Coding Conventions considered harmful

There is an official Code Conventions for the Java Programming Language guide published on Oracle site. You would expect this 20+ pages document to be the most complete, comprehensive ...
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Spring Constructor Injection and Argument names

At runtime, java classes do not retain the name of the constructor or method parameters, unless classes are compiled with debug options on.This has some interesting implications ...
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Github Gists in Eclipse

I’d like to describe simple steps regarding integrating GitHub Gists in Eclipse. There are several sources which provoke me to do this:GitHub Mylyn connector for Eclipse EGit/GitHub/User ...
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Advanced ZK: Asynchronous UI updates and background processing – part 2

Introduction In part 1 I showed how server push and threads can be used to execute background tasks in a ZK application. However, the simple example had a major flaw that makes it a ...
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Rest using Jersey – Complete Tutorial with JAXB, Exception Handling and Client Program

Recently I started working on a Restful web service project using Jersey API. There are some tutorials available online but I faced some issues with exception handling and I didn’t ...
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Java 7: File Filtering using NIO.2 – Part 1

NIO.2 is a new API for I/O operations included in the JDK since Java 7. With this new API, you can perform the same operations performed with java.io plus a lot of great functionalities ...
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