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apache-camel-logo

Camel: Build a message based application

This is a long article that contains three separate topics:Getting started with Apache Camel with Java Improving startup of routes with a CamelRunner Building message based application using CamelBut since I’ve prepared ...
apache-myfaces-logo

Configure timeout for CDI conversations

CDI conversation scope is a nice feature when developing JSF applications. Imagine you have large data tables which take a long time to be loaded. You normally don’t want to place the loaded data in session scoped beans by r ...
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Hibernate: save vs persist and saveOrUpdate

What is difference between save and saveOrUpdate or Difference between save and persist are common interview question in a ...
twitter-logo

Twitter REST API from Scala and Java using signpost

If you’ve read some other articles on this blog you might know that I like creating visualizations of various datasets. I’ve just started a small project where I want to visualize some data from Twitter. For this I wan ...
spring-logo

Spring 3.1 Caching and @CacheEvict

My last blog demonstrated the application of Spring 3.1’s @Cacheable annotation that’s used to mark methods whose return values will be stored in a cache. However, @Cacheable is only one of a pair of annota ...
apache-wicket-logo

Apache Wicket: Remember Me functionality

It is quite common in web applications to have “Remember Me” functionality that allows user to be automatically logged in each time when he visits our website. Such feature can be implemented using Spring Security, but in my o ...
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Maven Cargo plugin for Integration Testing

A very common need in the lifecycle of a project is setting up integration testing. Luckily, Maven has built-in support for this exact scenario, with the following phases of the default build lifecycle (from the Maven documentatio ...
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5 Tips for Unit Testing Threaded Code

Here’s a few tips on how take make testing your code for logical correctness (as opposed to multi-threaded correctness). I find that there are essentially two stereotypical patterns with threaded code:Task or ...
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Apache Digester Example – Make Easy Configuration

Address Problem – Hard Coding , Need to create custom configuration for your application like struts configuration file to vary application behavior just by changing the file. Apache Digester can do it for you easily. T ...
jboss-logo

JBoss AS 7 classloading explained

This is a sample chapter taken from JBoss AS 7 Configuration Deployment and Administration book edited by Francesco Marchioni who is running a JBoss focused portal named mastertheboss.com. As mandated by Java EE specifications, an ...
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