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Safely Create and Store Passwords

Nearly every time when it comes to user profiles it is necessary to manage user credentials and thus be able to create and store user passwords. It should be common practice to use ...
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Apache log4j is the leading logging framework

According to a survey from Zero Turnaround Apache log4j is the leading Java logging framework. This was actually a very interesting survey. It shows SLF4J is most often used as a logging ...
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Injecting Test Doubles in Spring using Mockito and BeanPostProcessors

I’m pretty sure that if you have ever used Spring and are familliar with unit testing, you have encountered a problem related to injecting mocks / spies (Test Doubles) in the ...
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Almost named method arguments in JDK 8

Sometimes it would be really nice to have named method parameter in Java, this doesn’t look likely for a long while but there is always another little work around, for example ...
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Which memory is faster Heap or ByteBuffer or Direct ?

Java is becoming new C/C++ , it is extensively used in developing High Performance System. Good for millions of Java developer like me! In this blog i will share my experiment with ...
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Understanding the OutOfMemoryError

Whenever you find yourself staring a stacktrace with OutOfMemoryError in it, it should all be crystal clear. The program has got no more elbow room and is dying just because of lack ...
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Securing HTTP-based APIs With Signatures

I work at EMC on a platform on top of which SaaS solutions can be built. This platform has a RESTful HTTP-based API, just like a growing number of other applications. With development ...
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Erlang for Java Developers

You probably haven’t noticed, but it’s a couple of weeks since I last posted a blog. There is reason for this is that I’ve ruptured my Soleus and my leg is in a plaster ...
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Splitting Large XML Files in Java

Last week I was asked to write something in Java that is able to split a single 30GB XML file into smaller parts of configurable file size. The consumer of the file is going to be a ...
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State Design Pattern in Java – Example Tutorial

State pattern is one of the behavioral design pattern. State design pattern is used when an Object change it’s behavior based on it’s internal state. If we have to change the behavior ...
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