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Developing SOAP Web service using Apache CXF

In last post I walked through the steps for developing a simple RESTFull service using apache CXF.  In this post I will be talking about developing SOAP web service using CXF. Before moving forward let us understand few of the co ...
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Making Sense Out of Datomic, The Revolutionary Non-NoSQL Database

I have finally managed to understand one of the most unusual databases of today, Datomic, and would like to share it with you. Thanks to Stuart Halloway and his workshop! Why? Why?!? As we shall see shortly, Datomic is very differ ...
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Distributed System Development Considerations

There are a number of factors to take into account while developing distributed software systems. If you don’t even know what I am talking about in the first sentence then let me give you some insight, examples and for instanc ...
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Akka vs Storm

I was recently working a bit with Twitter’s Storm, and it got me wondering, how does it compare to another high-performance, concurrent-data-processing framework, Akka. What’s Akka and Storm? Let’s start with a short descrip ...
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MongoDB Primary Keys Are Your Friend

All documents in a MongoDB collection have a primary key dubbed _id. This field is automatically assigned to a document upon insert, so there’s rarely a need to provide it. What’s interesting about the _id field is that it is ...
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Blog Categorisation using Encog, ROME, JSoup and Google Guava

Continuing with Programming Collection Intelligence  (PCI) the next exercise was using the distance scores to pigeonhole a list of blogs based on the words used within the relevant blog. I had already found Encog as the framewor ...
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Spring MVC Error handling flow

There are broadly three ways of handling an exception flow using Spring MVC, the objective being to intercept any application exception and present a friendly and informative view back to the user. 1. Using error-page tag in web.x ...
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Working with Amazon Simple Queue Service using java

Amazon Simple Queue Service or SQS is a highly scalable hosted messaging queue provided by Amazon Webservice stack. Amazon SQS can be used to completely decouple operations of different components within the system which otherwise ...
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The Biggest Flaw of Spring Web Applications

The developers who are using Spring Framework in their applications are good to talk about the benefits of dependency injection. Unfortunately, they are not so good to leverage its benefits such as the single responsible principle ...
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Spring Integration – Robust Splitter Aggregator

A Robust Splitter Aggregator Design Strategy – Messaging Gateway Adapter Pattern What do we mean by robust? In the context of this article, robustness refers to an ability to manage exception conditions within a flow without ...
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