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Apache Commons DBCP is a very nice database connection pool API. It's easy to use and works flawlessly. Did you know that it has a validation feature? Consider this DBCP configured in Spring: <bean id="dataSource" class="org.apache....

Techniques for improving the runtime performance of your application. Background JC worked at a company that had service level agreements (SLA) for transaction response time and system throughput. Bill worked at a company that had to improve...

Here are a couple things I just learned about Hibernate. I hope you may find them useful. And if anyone knows of better ways to do these things I'd love to hear them. 1. HibernateProxy.getHibernateLazyInitializer.getImplementation Cast your...

Apache commons is a library of several open source Java projects designed to solve many of the typical problems faced by Java developers. General Benefits You'll write less code. Your code will be more readable and less repetitive. ...

These are skills that are not core to what developers do, but are helpful to have. Spend the time now to learn these skills before you really need them. Image Editing Be able to make simple icon tweaks. Quickly clean up images for user...