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Java 8 Friday Goodies: Easy-as-Pie Local Caching

At Data Geekery, we love Java. And as we’re really into jOOQ’s fluent API and query DSL, we’re absolutely thrilled about what Java 8 will bring to our ecosystem. We have blogged a couple of times about some nice Java 8 goodi ...
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Websockets with Spring 4

I am throwing the entire kitchen sink into a small web application that I am developing as part of this post – Spring Boot, Spring Integration, RabbitMQ and finally the topic of the post, the Websocket support in Spring MVC ...
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Using Java EE’s ManagedExecutorService to asynchronously execute transactions

One year has passed by since the Java EE 7 specification has been published. Now that Wildfly 8 Final has been released, it is time to take a closer look at the new features. One thing which was missing since the beginning of the ...
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What’s new in Java 8 – Date API

With the final release of Java 8 around the corner, one of the new features I’m excited about is the new Date API, a result of the work on JSR 310. While Lambda expressions are certainly the big draw of Java 8, having a better w ...
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Signing SOAP Messages – Generation of Enveloped XML Signatures

Digital signing is a widely used mechanism to make digital contents authentic. By producing a digital signature for some content, we can let another party capable of validating that content. It can provide a guarantee that, is not ...
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Deploy to Maven Central Repository

Do you need to make your Java library publicly accessible? Is your project hosted on GitHub? Do you like idea of “all-in-one deploy to Maven Central Repository” button? I am going to show how to set it up with usage of maven-r ...
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WebLogic Classloader Analysis Tool

The WebLogic Server has a built-in webapp called Classloader Analysis Tool, and you may access it through http://localhost:7001/wls-cat You need to login with same user as you configured for the /console webapp. With the CAT, you ...
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Good use of Closures

Not long ago, in a blog post, I explained what Closure were in Groovy. This blog post will explain one good example of using them. I recently found myself having to write the same exception handling logic for a bunch of back-en ...
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XML to Avro Conversion

We all know what XML is right?  Just in case not, no problem here is what it is all about.                   <root> <node>5</node> </root> Now, what the compu ...
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Java 8: Lambda Expressions vs Auto Closeable

If you used earlier versions of Neo4j via its Java API with Java 6 you probably have code similar to the following to ensure write operations happen within a transaction:                 &nb ...
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