Java
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Java multi-threading: volatile variables, happens-before relationship, and memory consistency
What is a volatile variable? volatile is a keyword in Java. You cannot use this as a variable or method…
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JSF 2.2 Create a custom Hello World component in 30 seconds
Let’s jump directly to the cool stuff and say that in JSF 2.0 a custom component was made available to…
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Drill into Your Big Data Today with Apache Drill
Apache Drill has been gaining significant user adoption and community momentum since its initial Beta availability in September 2014. The…
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Why Docker?
Containers are not a new thing, but implementing them was always a little more complicated than it needed to be.…
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Hadoop: HDFS – java.lang.NoSuchMethodError: org.apache.hadoop.fs.FSOutputSummer.(Ljava/util/zip/Checksum;II)V
I wanted to write a little program to check that one machine could communicate a HDFS server running on the…
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Akka Typed Actors: Exploring the receiver pattern
In the previous article we looked at some of the basic features provided by Akka Typed. In this article and…
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Java Memory Architecture (Model), Garbage Collection and Memory Leaks
Java Memory Architecture (Java Memory Model) The above is the Java Memory Model for the Heap as well as the…
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JavaOne 2015 continues and Java will live forever (… well maybe a LONG-TAIL)
Okay. Maybe I am being over dramatic in the title. I do believe that Java, the ecosystem, the community, the…
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Gentle Introduction to Hystrix – Hello World
In a previous blog post I had covered the motivation for needing a library like Netflix Hystrix. Here I will…
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