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From Scrum to Kanban

This month marks one year from the time we switched from Scrum to Kanban. I find it is a good time for us to review the impact of this change. Our Scrum I have experienced two working ...
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SSL encrypted EJB calls with JBoss AS 7

Encrypting the communication between client and server provides improved security and privacy protection for your system. This can be an important requirement by the customer, especially ...
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Spring Rest Controller with angularjs resource

Angularjs ngResource is an angularjs module for interacting with REST based services. I used it recently for a small project with Spring MVC and wanted to document a configuration ...
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Spice up your test code with custom assertions

Inspired by the @tkaczanowski talk during GeeCON conference I decided to have a closer look at custom assertions with AssertJ library. In my ‘Dice’ game I created a ‘Chance’ ...
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API design and performance

When you design a new API you have to take a lot of decisions. These decisions are based on a number of design principles. Joshua Bloch has summarized some of them in his presentation ...
java-interview-questions-answers

JPA 2.1 Type Converter – The better way to persist enums

Persisting enums with JPA 2.0 is possible, but there is no nice way to do it. Using the @Enumerated annotation, you can use EnumType.ORDINAL or EnumType.STRING to map the enum value ...
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5 Reasons you should try JCG Academy

It is a while now since we quietly launched JCG Academy. It is a subscription based site geared to serious developers that wish to sharpen their technical skills. It includes numerous ...
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Why Data Strategy Matters

Big Data has an alluring promise: crunch all of your datas and find out all these very important unknown things you didn’t know before. You will find out all sorts of important things ...
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Grails 2.4 Released: Installing Groovy-Eclipse Compiler 2.3 in Eclipse/GGTS

This month has been interesting: on the 7th Groovy 2.3.0 has been released, followed up by Grails 2.4 a few days ago. Great work! If you’re an Eclipse or Groovy/Grails Tool Suite ...
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Simple tips to secure Android app

Android has security features built into the operating system that significantly reduce the frequency and impact of application security issues but as application developer, its our ...
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