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Apache JMeter: Load Test Whatever You Want

This is the second post about load testing with Apache JMeter, read the first post here: A step by step tutorial about load testing relational databases. JMeter has lots of Samplers. ...
spring-logo

Tutorial: Hibernate, JPA & Spring MVC – Part 2

This tutorial will show you how to take a basic Hibernate/JPA app, convert it into a Spring MVC web project to be able to view the database in a web browser, and finally use Spring’s ...
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Tutorial: Hibernate, JPA – Part 1

This is the first part of tutorial about using Hibernate and JPA. This part is an introduction to to JPA and Hibernate. The second part will look at putting together a Spring MVC application ...
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Apache Shiro Part 2 – Realms, Database and PGP Certificates

This is second part of series dedicated to Apache Shiro. We started previous part with simple unsecured web application. When we finished, the application had basic authentication ...
osgi-alliance-logo

Learn by Errors : Java + OSGi

Recently I worked on getting Apache Hive work inside an OSGi environment. While not proving to be a proverbial piece of cake (software right?.. Why am I not surprised? ), it led ...
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Generic Text Comparison Tool with LCS Approach

Detecting and showing differences of two texts (especially having hundreds or thousands of lines) is a common problem. Using pure java.lang.String class methods may be a solution, but ...
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Log JDBC operations with Log4jdbc

When we develop any application, after we finish it or when we end up any of its module, we start optimization process. Most applications contain database access, and if you are using ...
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Solving a Producer-Consumer Problem in Java

The producer-consumer problem is one of the most frequently encountered problems when we attempt multi threaded programming. While not as challenging as some of the other problems ...
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Java GUI Application Shutdown Gotcha

In recent times I’ve had issues with one or two Java GUI application not shutting down when I close them. They seem to stay around as a process, consuming computer resources. ...
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Easy Unit and Integration Code Coverage

This example shows how to generate coverage for unit and integration tests using Maven and Sonar. It uses very simple techniques and should only take 10-15 minutes to get running in ...
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