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Route 53 Benchmark: The New AWS Geolocation’s Surprising Results

Latency vs. Geolocation: Testing DNS configurations across multiple EC2 regions using AWS Route 53 If you’re using the AWS stack, you’ve probably been through this: Deciding which ...
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Writing Tests for Data Access Code – Data Matters

When we write tests for our data access code, we use datasets for two different purposes:                  We initialize our database ...
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The anatomy of Hibernate dirty checking

Introduction The persistence context enqueues entity state transitions that get translated to database statements upon flushing. For managed entities, Hibernate can auto-detect incoming ...
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Debugging OpenJDK

Sometimes debugging Java code is not enough and we need to step over the native part of Java. I spent some time to achieve proper state of my JDK to do that, so short description probably ...
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Akka Cluster with Docker containers

This article will show you how to build docker images that contain a single akka cluster application. You will be able to run multiple seed nodes and multiple cluster nodes. The code ...
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JPA Tutorial – Setting Up JPA in a Java SE Environment

JPA stands for Java Persistence API, which basically is a specification that describes a way to persist data into a persistent storage, usually a database. We can think of it as ...
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Node, Grunt, Bower and Yeoman – A Modern web dev’s Toolkit

This article aims at introducing you to some of the currently most popular tools when developing modern web applications with JavaScript. These are totally not new at all and have been ...
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REST API with JSON

What is REST API? REST stands for Representational State Transfer. It relies on a stateless, client-server, cacheable communications. In most cases it is used with the HTTP protocol. RESTful ...
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Java Code Geeks are giving away FREE JCG Academy Subscriptions (worth $900)!

Ready to take your skill-set to the next level? We are running a short duration contest giving away annual subscriptions for our premium content website, JCG Academy. JCG Academy is ...
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Programming a simple slot machine game using Java

No mat­ter how sim­ple or com­plex the game is, Java can do the job! On this post, let’s take a look at how begin­ners of Java pro­gram­ming can make a sim­ple, yet fully ...
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