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Google AppEngine: Task Queues API

Task Queues com.google.appengine.api.taskqueue With Task Queues a user can initiate a request to have applications perform work outside of this request; they are a powerful tool for ...
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JBox2D and JavaFX: Events and forces

In yesterdays samples you saw how you can create a simple world, and display it with WorldView, and how to provide custom Renderers. Now we’re going to add some user input. We’ll ...
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Custom JSF validator for required fields

JSF components implementing EditableValueHolder interface have two attributes ‘ required’ and ‘ requiredMessage’ ...
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Akka STM – Playing PingPong with STM Refs and Agents

PingPong is a classic example where 2 players (or threads) access a shared resource – PingPong Table and pass the Ball (state variable) between each other. With any shared resource, ...
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REST CXF for Spring JPA2 backend

In this demo, we will generate a REST/CXF application with spring/jpa2 backend. This demo presents the track REST-CXF of minuteproject. The model from ...
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Dynamic Property Management in Spring

Static and Dynamic Properties are very important for both operational management and changing the behavior of the system at the production level. Specially, dynamic parameters reduces ...
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TeamCity artifacts: HTTP, Ant, Gradle and Maven

In how many ways can you retrieve TeamCity artifacts? I say plenty to choose from! If you’re in a world of Java build tools then you can use plain HTTP request, Ant + Ivy, Gradle ...
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Load or Save Image using Hibernate – MySQL

This tutorial will walk you throughout how to save and load an image from database (MySQL) using Hibernate. Requirements For this sampel project, we are going to use:Eclipse ...
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Why I will continue to use Spring *and* Java EE in new Enterprise Java Projects in 2012/2013

Over one year passed since my technology decision making post and I am glad to see that I am still in perfect harmony with it. Some months ago I have written an answer to a nice blog ...
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OutOfMemoryError: Java heap space – Analysis and resolution approach

 java.lang.OutOfMemoryError: Java heap problem is one of the most complex problems you can face when supporting or developing complex Java EE applications.This short article ...
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