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Getting Started Building 3D Simulations In Unity3D, Part 1

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Welcome to part one of a three-part blog series on Unity 3D. In this series, we will create a simple 3D game in Unity3D with rich controls. Part one will cover how to set up Unity3D. Part two will teach you how to control Unity3D using C#. The third and final post in this series will delve into actually making ...

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You’re doing it wrong: Daily stand-ups

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“Everybody, please, stand up”, I remember encouraging everyone to rise to the occasion of another daily stand-up “meeting”. Even with a room full of people who knew the drill, I still felt I had to ask them. This series is about practices we do, without understanding why we do them, and therefore may not get the value we want from ...

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A Practical Guide to Machine Learning: Understand, Differentiate, and Apply

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Co-authored by Jean-Francois Puget (@JFPuget) Machine Learning represents the new frontier in analytics, and is the answer of how many companies can capitalize on the data opportunity. Machine Learning was first defined by Arthur Samuel in 1959 as a “Field of study that gives computers the ability to learn without being explicitly programmed.” Said another way, this is the automation ...

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Minimum Valuable Problem

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Defining and building a good minimum viable product is much harder than it sounds.  Finding that “one thing” you can do, which people want, is really about a lot more than picking one thing.  It is a combination of solving the minimum valuable problem and all of the other things that go with it.  Solving for both the outside-in needs and the inside-out goals is ...

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Making Release Frictionless, a Business Decision, Part 2

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In Part 1, I talked about small stories/chunks of work, checking in all the time so you could build often and see progress. That assumes you know what done means. Project “done” means release criteria. Here are some stories about how I started using release criteria. Back in the 70s, I worked in a small development group. We had 5 or 6 ...

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Hadoop: DataNode not starting

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In my continued playing with Mahout I eventually decided to give up using my local file system and use a local Hadoop instead since that seems to have much less friction when following any examples. Unfortunately all my attempts to upload any files from my local file system to HDFS were being met with the following exception: java.io.IOException: File /user/markneedham/book2.txt ...

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Hidden Assumption of Agile

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Agile cures common problems that we experience in software development, however, there are limitations to Agile.  It may seem like a silver bullet, but there are circumstances under which Agile is not the best choice for development, or at a minimum, not to develop the entire project. The problems with the waterfall model are well known and understood by most ...

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Savepoints in Apache Flink Stream Processing – Whiteboard Walkthrough

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In this week’s Whiteboard Walkthrough, Stephan Ewen, PMC member of Apache Flink and CTO of data Artisans, explains how to use savepoints, a unique feature in Apache Flink stream processing, to let you reprocess data, do bug fixes, deal with upgrades, and do A/B testing. Here’s the undedited transcription: Hello. My name is Stephan. I’m one of the original creators ...

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The “Goal” of Performance Tuning

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How do we make our programs faster? How do we make anything faster? My first co-op job was working in packaging. They had a small Industrial Engineering library and let me read from it at work. The first book I read changed my life and my way of thinking about problem solving: The Goal by Eliyahu M. Goldratt. Just about ...

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How I Chose my Replacement for Parse.com

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When I first read the announcement that Parse.com would shut down on January 28th 2017, I went from disbelief (it’s probably an early April fool’s joke) to rage (how could they do that?!) to sadness (oh no! it was a great service) and finally to utter confusion (where do I go from here and what do I do with my ...

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