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The Philosophy of the CUBA Platform

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A huge amount has happened recently. Following the official launch of CUBA on 1st of June, we have rolled out a new release, published our first article on a few Java sites and presented the platform at the Devoxx UK сonference in London. But before the rush continues, about it is an apt time to articulate the philosophy behind CUBA. ...

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FREE Programming books with the WCG Newsletter

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Dear fellow geek, it is with great honor that we announce the launch of Web Code Geeks! This is our sister site, targeted to Web programming developers. Come on, admit it, there is a web developer inside you too, so make sure to check it out. To celebrate this, we have decided to distribute 2 of our books for free. ...

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R: Speeding up the Wimbledon scraping job

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Over the past few days I’ve written a few blog posts about a Wimbledon data set I’ve been building and after running the scripts a few times I noticed that it was taking much longer to run that I expected. To recap, I started out with the following function which takes in a URI and returns a data frame containing ...

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Generating JSON Schema from XSD with JAXB and Jackson

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In this post, I demonstrate one approach for generating JSON Schema from an XML Schema (XSD). While providing an overview of an approach for creating JSON Schema from XML Schema, this post also demonstrates use of a JAXB implementation (xjc version 2.2.12-b150331.1824 bundled with JDK 9 [build 1.9.0-ea-b68]) and of a JSON/Java binding implementation (Jackson 2.5.4). The steps of this ...

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Strategy Pattern in Java 8

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These are two examples on how to implement a Strategy pattern design using Java 8 functional style together with Cyclops pattern matching and Hamcrest libraries. PrintDependingOnInput method is a strategy that will System.println some message based on the log passed. AddPrefix is another strategy that will add a prefix to a message based on the message content. package com.marco.patternmatching; import ...

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Two people coding is twice as productive, right?

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Stands to reason, doesn’t it? If one person can make 5 widgets an hour, then two people can make 10 widgets an hour. Its just the natural way of things. You can’t argue with science. The same is obviously true of software, isn’t it? If one developer can write 10 lines of code an hour, then clearly two can write 20 lines ...

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Auto-encrypting Serializable Classes

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A crazy idea came up during the post-mortem discussions in the Coursera security capstone project. Can a class encrypt itself during serialization? This is mostly an academic “what if” exercise. It is hard to think of a situation where we would want to rely on an object self-encrypting instead of using an explicit encryption mechanism during persistence. I’ve only been ...

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Build your own robot arm – assembly

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I have written a few posts about software development, coding and Java related topics. This time I decided to share with you a more fun project I did. I am a fan of Arduinos, Pis and other platforms for home automation as well as just pure fun with electronics and mechanics. In my pursuit of better understanding of the ways ...

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The “Done” Fallacy

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One of the earliest ideas you learn as an agile practitioner is “Done, Done, Done”. There’s a lot of thinking behind it, but for me it boils down to trust. When you don’t know what “done” means, the next person who gets you’re deliverable might be surprised. As a rule, we don’t like surprises. So regardless of when it’s going to ...

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