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The 12 Step Program to Realizing Your Java Monitoring is Flawed

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What are some of the biggest problems with the current state of Java monitoring? Errors in production are much like drunk texting. You only realize something went wrong after it had already happened. Texting logs are usually more amusing than application error logs, but… both can be equally hard to fix. In this post we’ll go through a 12 step ...

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Building 3D Simulations In Unity3D

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Welcome to the final post in this three-part blog series on Unity 3D. In this series, we are creating a simple 3D game in Unity3D with rich controls. Part one covered how to set up Unity3D and part two taught you how to control Unity3D using C#. In this final post of this series, we are going to delve into ...

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Building and testing a parser with ANTLR and Kotlin

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This post is part of a series on how to create a useful language and all the supporting tools. Building a lexer Code Code is available on GitHub. The code described in this post is associated to the tag 02_parser       The parser The parser is simply defined as an ANTLR grammar. We have previously built a separate lexer. ...

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Build and deploy microservices the modern way

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There’s been a lot of buzz from me lately around microservices and containers. And all the efforts were directed towards today’s public announcement by Lightbend and Mesosphere. If you are interested in learning more about how traditional architectures are beginning to evolve very quickly to embrace microservices architecture and various cloud and hybrid-cloud deployment models, I would love to invite you ...

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Persistent Storage for Enterprise-Grade Spark Applications

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Apache Spark is becoming very popular and widely used in the big data community. There are several reasons for Spark getting such rapid traction. These include its in-memory processing capabilities, support for a wide range of engines for various use cases such as streaming, machine learning, and SQL, and the ability to develop in multiple languages such as Python and ...

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An approach to help developers write meaningful tests

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Over the last few years we have been adding unit tests to our existing product to improve its internal quality. During this period we always had the challenge of choosing unit-vs-Integration tests. I would like to mention some of the approaches we have applied to improve the quality of existing system. At its core, unit testing is about testing a single ...

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A Functional Approach to Logging in Apache Spark

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Logging in Apache Spark is very easy to do, since Spark offers access to a logobject out of the box; only some configuration setups need to be done. In a previous post, we looked at how to do this while identifying some problems that may arise. However, the solution presented might cause some problems when you are ready to collect ...

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Java Productivity Tips: Top Picks from the Community

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The community has spoken. We’ve gathered your best and greatest productivity hacks into one post. We all have our own little tricks that help get us in a working-mood and boost our productivity. We use tools to avoid tedious everyday tasks and run scripts to automate processes. We do all that just to make sure everything’s in place, working properly ...

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Docker Swarm Introduction (Tour Around Docker 1.12 Series)

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Docker just published a new Docker Engine v1.12. It is the most significant release since v1.9. Back then, we got Docker networking that, finally, made containers ready for use in clusters. With v1.12, Docker is reinventing itself with a whole new approach to cluster orchestration. Say goodbye to Swarm as a separate container that depends on an external data registry ...

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