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Increasing Resource Efficiency with Microscaling

According to Gartner, the average data center utilization worldwide is around 10 to 15 percent, which isn’t great for resource efficiency. The leaders in resource utilization, Google and Netflix in particular, do a lot better at 50 to 70 percent. Unfortunately, resource efficiency is probably going to get worse if we don’t do anything about it. Public cloud and automation ...

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Applying TF-IDF algorithm in practice

In this post I am going to share my experience with categorizing unstructured data in URLs. I ended up applying TF-IDF algorithm to solve the problem at hand and thought the experience would be interesting to share. The post is focusing solely on the problem solving, but as the context used is related to Plumbr then first some background for ...

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Developing Modern Applications with Scala: Testing

This article is part of our Academy Course titled Developing Modern Applications with Scala. In this course, we provide a framework and toolset so that you can develop modern Scala applications. We cover a wide range of topics, from SBT build and reactive applications, to testing and database acceess. With our straightforward tutorials, you will be able to get your ...

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How to Inspire Community in Programming

After coming back from a Ruby for Good event, I’m reflecting on how I’ve experienced firsthand many of the principles necessary for growing and inspiring community in programming. Ruby for Good is an annual meetup where people donate their time and abilities to “build projects that help our communities.” People with any experience level can participate, from those just learning ...

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Thank You Notes: They’re Not Just About Gratitude

Thank You notes have been part of the job search tradition for many years, and although the typical delivery format has been updated (email is fine), I tend to find that candidates still primarily view the note as a gesture of gratitude or a formality. I suggest that job seekers instead view the Thank You note as an opportunity to ...

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Using MapR, Mesos, Marathon, Docker, and Apache Spark to Deploy and Run Your First Jobs and Containers

This blog post describes steps for deploying Mesos, Marathon, Docker, and Spark on a MapR cluster, and running various jobs as well as Docker containers using this deployment. Here are the components that we’re going to use: Mesos: an open-source cluster manager. Marathon: a cluster-wide init and control system. Spark: an open source cluster computing framework. Docker: automates the deployment ...

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5 Common Hibernate Exceptions and How to Fix Them

See how you can easily solve the most common issues with Hibernate Hibernate is probably the most popular JPA implementation on the market and you can see that in many places, like: The number of projects in which you’ve used it yourself, The number of job positions which ask for Hibernate experience and of course The number of questions and ...

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