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JUnit ExpectedException rule: beyond basics

There are different ways of handling exceptions in JUnit tests. As I wrote in one of my previous posts, my preferable way is using org.junit.rules.ExpectedException rule. Basically, rules are used as an alternative (or an addition ...
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Java 8 Friday: Java 8 Will Revolutionize Database Access

At Data Geekery, we love Java. And as we’re really into jOOQ’s fluent API and query DSL, we’re absolutely thrilled about what Java 8 will bring to our ecosystem. For our Java 8 series, we’re honoured to host a very relevan ...
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How to use NodeManager to control WebLogic Servers

In my previous post, you have seen how we can start a WebLogic admin and multiple managed servers. One downside with that instruction is that those processes will start in foreground and the STDOUT are printed on terminal. If you ...
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Application Security – Can you Rely on the Honeymoon Effect?

I learned about some interesting research from Dave Mortman at this year’s RSA conference in San Francisco which supports the Devops and Agile arguments that continuous, incremental, iterative changes can be made safely: a study ...
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Java can finally join strings

I am sure you were in a situation in which you wanted to join multiple strings. If you were using a programming language other than Java you probably used the join() function provided by the programming language. If you were using ...
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The Programmer Productivity Paradox

Programmers seem to be fairly productive people. You always see them typing at their desks; they chafe for meetings to finish so that they can go back to their desks and code. When asked, they will say that there is not enough ti ...
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How HashMap works in java

Most common interview questions are “How HashMap works in java”, “How get and put method of HashMap work internally”. Here I am trying to explain internal functionality with an easy example. Rather than goi ...
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The Microservice Architecture Sounds Like Service-Oriented Architecture

I didn’t understand the service-oriented architecture. I thought that it was just one of those highly theoretical and very impractical software architecture patterns. In other words, I considered it to be an architecture fanatic ...
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Android Wear SDK: Set up “Hello world”

In this post I want to describe my first experience with Android Wear SDK.  This is a very simple project just to test how it works and how we can set up the environment. You can refer to this link if you want to have more detail ...
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Cloud Buzz: IaaS, PaaS, SaaS

Enough hype! Lets clear the air. I am going to try and provide simple analogies that will hopefully help you make sense of the terminologies associated with Cloud technologies and make them ‘stick’. The Cloud my friends, is n ...
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