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Spring MVC: Validator and @InitBinder

It’s hard to imagine a web-application which doesn’t has some validation logic for an user data. Almost all user’s data has some constraints, e.g. date of birth should consist ...
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Android: Build real weather app: JSON, HTTP and Openweathermap

In this post I want to describe how to create a weather app that gives current weather information. This app will use JSON, HTTP connection and AsyncTask to get this information.. As ...
java-interview-questions-answers

Searchable documents? Yes You Can. Another reason to choose AsciiDoc

Elasticsearch is a flexible and powerful open source, distributed real-time search and analytics engine for the cloud based on Apache Lucene which provides full text search capabilities. ...
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GlassFish 4 brings Java EE 7

What a surprise. Apple had nothing to offer at wwdc except the new iOS 7 launch. Might be coincidence that shortly after their keynote another 7 made an official appearance. GlassFish ...
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Android Fragment transaction: FragmentManager and Backstack

Fragments are useful when we want to support multiple screen size. To manage fragments we need a FragmentManager that help us to handle trasaction between fragments. With transaction ...
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Guava’s EventBus – Simple Publisher/Subscriber

Looking over recent additions to Google’s Guava Libraries Release 10 I noticed the addition of EventBus. This is a lightweight implementation of a publish-subscribe style messaging ...
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Clojure macros for beginners

This article will guide you step-by-step (or even character-by-character) through the process of writing macros in Clojure. I will focus on fundamental macro characteristics while explaining ...
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Setting up Apache Hadoop Multi – Node Cluster

We are sharing our experience about Apache Hadoop Installation in Linux based machines (Multi-node). Here we will also share our experience about different troubleshooting also and ...
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Android ListView context menu: ActionMode.CallBack

In this post we want to analyze the context menu (contextual action bar). This is a menu that is related to a specific item. The contextual menu can be applied to almost all views but ...
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Running Map-Reduce Job in Apache Hadoop (Multinode Cluster)

We will describe here the process to run MapReduce Job in Apache Hadoop in multinode cluster. To set up Apache Hadoop in Multinode Cluster, one can read Setting up Apache Hadoop Multi ...
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