How to Make 3D Printed Parts Fit Together

One of the great things about 3D printing is that you can print an entire model in one go. The typical example is the fully assembled “print-in-place” ball bearing as shown in the image above. This is printed in one go, no assembly required. However, the tolerances are pretty small which requires a well-tuned 3D printer. In this article, I describe ...

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Elasticsearch for Java Developers: Introduction

This article is part of our Academy Course titled Elasticsearch Tutorial for Java Developers. In this course, we provide a series of tutorials so that you can develop your own Elasticsearch based applications. We cover a wide range of topics, from installation and operations, to Java API Integration and reporting. With our straightforward tutorials, you will be able to get ...

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Getting Started with Oracle Container Cloud Service

Oracle Container Cloud Service is Oracle’s entry into the the world of managed container service. There are plenty of existing options: Docker for AWS or Azure Amazon Elastic Container Service Google Container Engine Azure Container Service DC/OS by Mesosphere OpenShift by Red Hat This blog will explain how to get started with Oracle Container Cloud Service. A comparison of different managed services is ...

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Event Driven Microservices Patterns

In this blog we will discuss some patterns which are often used in microservices applications which need to scale: Event Stream Event Sourcing Polyglot Persistence Memory Image Command Query Responsibility Separation The Motivation Uber, Gilt and others have moved from a monolithic to a microservices architecture because they needed to scale.  A monolithic application puts all of its functionality into a ...

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How Java’s Built-In Garbage Collection Will Make Your Life Better (Most of the Time)

Discover faster, more efficient performance monitoring with an enterprise APM product learning from your apps. Take the AppDynamics APM Guided Tour! “No provision need be made for the user to program the return of registers to the free-storage list.” This line (along with the dozen or so that followed it) is buried in the middle of John McCarthy’s landmark paper, ...

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Copy & paste driven development

Software development is rife with copy & paste: all of us resort to copy and paste coding sometimes. We know we probably shouldn’t, but we do it anyway. It’s like the industry’s dirty little secret: we mainly just copy and paste code from the internet or from somewhere else in the code base then bash it till it works. But ...

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Storing and querying trillions of events

This is a second post in series describing our recent infrastructure / architecture transition in Plumbr. The first part focused upon event capturing part of the architecture. In the current post we are analyzing how the captured events are stored and are later accessed via user interface. Again, the post walks you through the motivation for the change & describes ...

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