Using MongoDB with Morphia

In the past few years, NoSQL databases like CouchDB, Cassandra and MongoDB have gained some popularity for applications that don’t…

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Testing GWT Apps with Selenium or WebDriver

Good functional testing is one of the most difficult tasks for web application developers and their teams. It is a…

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Swapping out Spring Bean Configuration at Runtime

Most Java developers these days deal with Spring on a regular basis and there are lots of us out there…

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Java Concurrency Tutorial – CountDownLatch

Some concurrency utilities in Java naturally get more attention than others just because they serve general purpose problems instead of…

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Java Concurrency Tutorial – Blocking Queues

As discussed in Part 3, the thread pools introduced in Java 1.5 provided core support that was quickly a favourite…

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Java Concurrency Tutorial – Callable, Future

One of the beautiful things about Java from its very first release was the ease with which we could write…

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Java Concurrency Tutorial – Thread Pools

One of the most generally useful concurrency enhancements delivered in Java 1.5 was the introduction of customizable thread pools. These…

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Java Concurrency Tutorial – Reentrant Locks

Java’s synchronized keyword is a wonderful tool – it allows us a simple and reliable way to synchronize access to…

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Java Concurrency Tutorial – Semaphores

This is the first part in a series that we’re going to be doing on Java concurrency. Specifically, we are…

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