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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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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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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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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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How To Write Your Own Java / Scala Debugger

With this post we’ll explore how Java / Scala debuggers are written and work. Native debuggers such WinDbg for Windows or gdb for Linux/Unix get their power from hooks provided to ...
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My Favorite Books for Advanced Java Developers

The idea for my last blog post (my ten favorite online resources for advanced Java developers), was inspired by the Xiaoran Wang post Top 10 Websites for Advanced Level Java Developers. ...
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How to kill Java with a Regular Expression

We recently stumbled upon a phenomen we absolutely weren’t aware of: You can kill any Java IDE and also any Java process with a simple regular expression… Back in university, ...
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How to Speed Up Apache Xalan’s XPath Processor by Factor 10x

There has been a bit of an awkward bug in Apache Xalan for a while now, and that bug is XALANJ-2540. The effect of this bug is that an internal SPI configuration file is loaded by Xalan thousands ...
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Six Java features to stay away from

I have spent countless hours troubleshooting different applications. Via the experience I can draw a conclusion about several Java SE features/APIs which most of the developers should ...
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