Java
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Become a Master of Java Streams – Part 1: Creating Streams
Declarative code (e.g. functional composition with Streams) provides superior code metrics in many cases. Code your way through this hands-on-lab…
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JEP 355 Text Blocks in JDK 13
JDK 13 went GA on September 17th, 2019 and the prominent new features are listed here. One of the new features…
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Concurrent query execution in Apache Lucene
Apache Lucene is a wonderfully concurrent pure Java search engine, easily able to saturate the available CPU or IO resources…
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Spring @Primary Annotation
Introduction: Spring @Primary annotation is used to give a higher preference to the marked bean when multiple beans of the…
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Recommendation System Using Spark ML Akka and Cassandra
Building a recommendation system with Spark is a simple task. Spark’s machine learning library already does all the hard work…
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Is your JVM leaking file descriptors – like mine?
Foreword: The two issues described here, were discovered and fixed more than a year ago. This article only serves as…
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Spring MVC Binding w/o Setters
You can bind form parameters to a domain model object even if the domain model object does not have setters.…
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The Structural Bug
A team member was having a bit of trouble with the following code: 01 02 03 04 05 06 07…
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Performance Testing with JMeter
When developing complex, high-availability software projects, performance is of key importance. That is especially true in these modern times where…
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