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Devoxx Day 1

Participating at Devoxx brought me enough motivation to post my first blog entry. I am for the first time here and I am really impressed by how it is organized. There are a record number of top speaker present. For me it is a problem choosing the presentation to attend. But thanks to the organizers all events will be available ...

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DOAG 2011 vs. Devoxx – Value and Attraction

Yesterday (November 15, 2011) DOAG 2011 started in Nuremberg. I am with the German Oracle Users Group since some years and it is always a pleasure to contribute to this great conference. A little drawback is, that Devoxx is going on in parallel and I am really sad to see so many people over there in Belgium which I would ...

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SOLID – Single Responsibility Principle

The Single Responsibility principle (SRP) states that: There should never be more than one reason for a class to change. We can relate the “reason to change” to “the responsibility of the class”. So each responsibility would be an axis for change. This principle is similar to designing classes which are highly cohesive. So the idea is to design a ...

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Testing Techniques – Not Writing Tests

There’s not much doubt about it, the way you test your code is a contentious issue. Different test techniques find favour with different developers for varying reasons including corporate culture, experience and general psychological outlook. For example, you may prefer writing classic unit tests that test an object’s behaviour in isolation by examining return values; you may favour classic stubs, ...

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Diminishing Returns in software development and maintenance

Everyone knows from reading The Mythical Man Month that as you add more people to a software development project you will see diminishing marginal returns. When you add a person to a team, there’s a short-term hit as the rest of the team slows down to bring the new team member up to speed and adjusts to working with another ...

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Open alternatives to Google Maps

Lately there was a not much surprising news about Google products and services. Among other things Google has changed the Google Maps API use policy and will charge to those users that exceed some download limits. It is well known that Google Maps is one of the most (or the most) famous mapping service used around the net and it ...

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Bootstrap a Web Application with Spring 3

spring-interview-questions-answers

1. Overview This is the first of a series of tutorials about setting up a RESTfull web application using Spring 3.1 with Java based configuration. The article will focus on bootstrapping the web application, discussing how to make the jump from XML to Java without having to completely migrate the entire XML configuration. 2. The Maven pom.xml     <project ...

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Securing a RESTful Web Service with Spring Security 3.1, part 3

1. Overview This tutorial shows how to Secure a REST Service using Spring and Spring Security 3.1 with Java based configuration. The article will focus on how to set up the Security Configuration specifically for the REST API using a Login and Cookie approach. 2. Spring Security in the web.xml The architecture of Spring Security is based entirely on Servlet ...

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