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Yearly Archives: 2012

Spring’s Web MVC – Redirect to the Memory Leak

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They say that one rock can cause an avalanche. Lately, one of my Colleagues, Marcin Radoszewski, gave me such a rock. You’ll probably never guess what it is, but there is a chance, that you use it in many of your Web Applications. Allow me to introduce this rock to you. You probably well know redirect after post pattern. Using ...

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Wordcounter, Counting Words in Java with Lambdas and Fork/Join

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These days I released Wordcounter, a Java library and command-line utility for counting words in text files and performing analysis on the word counts that makes heavy use of functional programming constructs and parallel computing approaches. This is my fourth entry for the “Geeky Quickies” contest at SAP, after Feeder, Todor, and Hanoier. The library uses JDK 8 lambdas, as ...

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Starting with Scala Macros: a short tutorial

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Using some time during the weekend, I decided to finally explore one the new features in the coming Scala 2.10, macros. Macros are also written in Scala so in essence a macro is a piece of Scala code, executed at compile-time, which manipulates and modifies the AST of a Scala program. To do something useful, I wanted to implement a ...

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Writing Acceptance Tests for Openshift + MongoDb Applications

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Acceptance testing are used to determine if the requirements of a specification are met. It should be run in an environment as similar as possible of the production one. So if your application is deployed into Openshift you will require a parallel account to the one used in production for running the tests. In this post we are going to ...

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Java Management Extensions

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What is JMX? The Java Management Extensions (JMX) is an API used for managing or monitoring various resources such as applications, devices, services and of course the JVM. Developed through the Java Community Process (JCP), the JMX technology was built as Java Specification Request 3. The JMX technology provides with remote access, therefore the management of an application can be ...

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JAX-RS Bean Validation Error Message Internationalization

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Introduction to Bean Validation JavaBeans Validation (Bean Validation) is a new validation model available as part of Java EE 6 platform. The Bean Validation model is supported by constraints in the form of annotations placed on a field, method, or class of a JavaBeans component, such as a managed bean. Several built-in constraints are available in the javax.validation.constraints package. The ...

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Android Hello World Example – How to develop android apps

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In this tutorial, we will go through the necessary steps you need to take in order to develop your first Android application in Eclipse IDE using the ADT plugin and run it with an Android Virtual Device. The ADT plugin provides easy Android Project creation and management with rich editor features and documentation as well as Android Virtual Device (AVD) management.   ...

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How to Hire Geeks, Brand Your Shop, and Beat the “Talent Shortage”

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As a recruiter of software engineers, I hear every day how difficult it is for software companies to find technical talent. If hiring engineers was easy, I wouldn’t be in business. Using a recruiter is one way to have qualified potential employees neatly packaged and delivered, but there are several other strategies that forward-thinking firms can implement to differentiate themselves ...

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