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Travel Report: JavaOne 2013 – Back To Glory

I’m back since a few days already and needed to catch up with all the things which had been on hold for the last couple of days. It was the busiest time of the year for me. A ...
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XML Security with Digital Signature in JAVA

Introduction As you know XML plays a major role in our product or project development and from an XML document we gather lot of information and also we can perform CRUD operations with ...
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Creating Password-Based Encryption Keys

This article discusses creating password-based encryption PBE keys. First a reminder of earlier points – as a rule you should, when practical, use the PBE key as a master key that ...
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CapeDwarf – Google App Engine on Java EE

I have many hobbyhorses. Coming all the way from the early Java EE specifications and having done the “cloud” excursion with Java EE 7 I was curious to see what newly announced ...
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Guava 15 – New features

A new version of the Guava library was released earlier this month and contains several new features and improvements. Here is an overview of some of the significant API additions in ...
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Javaone 2013 Review

tl;dr I attended Javaone again this year. It was fun. Sunday The conference kicked off on Sunday, with user group sessions and the main keynote. I was actually unable to attend those, ...
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Spring 4 Conditional

Spring 4 is introducing a new feature called Conditional – an annotation targeted towards Spring components which generate beans and vetos the generation of these beans, in essence ...
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Ahoy There Callbacks!

Because it’s my bag, I like JavaScript. In fact, I’ve grown to love JavaScritp’s asynchronous callback oriented style of programming. Consequently, when I find myself in a non-JavaScript ...
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Tomcat’s Graceful Shutdown with Daemons and Shutdown Hooks

My last couple of blogs have talked about long polling and Spring’s DeferredResult technique and to demonstrate these concepts I’ve shoehorned the code from my Producer ...
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Fine-Grained Concurrency with the Guava Striped Class

This post is going to cover how to use the Striped class from Guava to achieve finer-grained concurrency. The ConcurrentHashMap uses a striped locked approach to increase concurrency ...
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