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Deliver early without sleepless nights

Trailblazing the first delivery of a software system requires courage and conviction, especially on projects that replace existing business critical software. When I’ve been acting as system architect I’ve employed a number of tricks in order to structure functionality and technical solutions in such a way that we can complete these early deliveries without sleepless nights. The most important is ...

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New Distributed Primitives for Developers

Object-Oriented Primitives (in-process primitives) As a Java developer, I’m well familiar with object-oriented concepts such as class, object, inheritance, encapsulation, polymorphism, etc. In addition to the object-oriented concepts, I’m also well familiar with the Java runtime, what features it provides, how I can tune it, how it manages my applications, what would be the lifecycle of my object and the ...

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Power Up: Three Ways to Increase Your Product Leadership Power

As product people—product managers and product owners—we usually don’t hold any positional power. Unlike a line manager, we cannot reward people by offering a pay rise or bonus, for instance. We cannot tell people what to do either, as the development team members and stakeholders don’t report to us. This puts us in a challenging position: We must lead others ...

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Elasticsearch Tutorial for Java Developers

Course Overview Elasticsearch is a search engine based on Lucene. It provides a distributed, multitenant-capable full-text search engine with an HTTP web interface and schema-free JSON documents. Elasticsearch is developed in Java and is released as open source under the terms of the Apache License. Elasticsearch is the most popular enterprise search engine followed by Apache Solr, also based on ...

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Oracle JDK 9 Early Access Documentation Updated

Raymond Gallardo‘s 4 April 2017 post Early Access documentation for Oracle JDK 9 has been updated today announces updates to the Oracle JDK9 Documentation Early Access page. Gallardo highlights a few of the updated sections including What’s New in Oracle JDK 9, Oracle JDK 9 Migration Guide, HotSpot Virtual Machine Garbage Collection Tuning Guide (including Garbage-First Garbage Collector Tuning), javapackager ...

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Creating A Custom Amazon Alexa Skill

With the explosion of internet of things (IoT), many companies are competing to create the best smart home ecosystem for consumers. Such big players include Samsung, Apple, Amazon, Insteon, Wink, Phillips, etc. Each offers a unique experience and claims to be the best in the business. In this blog we will discuss the Amazon Echo and its Alexa application. We will go ...

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Implications of the Presence of StringBuffer

When I am working on legacy code and run across instances of StringBuffer, I typically replace them with instances of StringBuilder. Although a performance advantage can be gained from this change, I often change it in places I know will have little noticeable effect in terms of performance. I feel it’s worth making the change for a variety of reasons ...

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Docker Remote API on Windows and OSX

There are multiple ways to monitor Docker containers. Docker CLI provides the docker container stats API that gives basic information about the running containers. Docker Remote API provides more detailed information about the containers. Staring with Docker 1.13, there is an experimental feature with a Prometheus endpoint cAdvisor is an open source tool that provides last container usage and performance characteristics. This data can be ...

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