Java
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Google Guava MultiMaps
Guava? This is the first in a series of posts where I’ll be attempting to explain and explore Google’s awesome…
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How much memory do I need
What is retained heap? How much memory will I need? This is a question you might have asked yourself (or…
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Calculating A Co-Occurrence Matrix with Hadoop
This post continues with our series of implementing the MapReduce algorithms found in the Data-Intensive Text Processing with MapReduce book.…
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When using direct memory can be faster
Overview Using direct memory is no guarantee of improving performance. Given it adds complexity, it should be avoided unless you…
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Forcing Tomcat to log through SLF4J/Logback
So you have your executable web application in JAR with bundled Tomcat (make sure to read that one first). However…
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Event streaming with MongoDB
MongoDB is a really great “NoSQL” database, with a very wide range of applications. In one project that we are…
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Type-safe Empty Collections in Java
I have blogged before on the utility of the Java Collections class and have specifically blogged on Using Collections Methods…
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How cool is integration testing with Spring and Hibernate
I am guilty of not writing integration testing (At least for database related transactions) up until now. So in order…
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Working Efficiently with JUnit in Eclipse
Recently I was dragged into a discussion1 with some test infected2 fellows about how we use JUnit within the Eclipse…
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