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Quick Go-lang for Java Developers

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Golang seems to be getting quite popular as its the programming language of choice for some cool new technology like Docker, Kubernetes, and OpenShift. Luckily enough, they’re all opensource too which means we can all contribute to these communities and get involved. One particularly awesome benefit of opensource that turns out to be extremely valuable and helpful in many circumstances ...

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Devoxx Belgium 2015 – Conference Day 1 #devoxx

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There were are 3 days full of Java and other technologies as well. Here is my review of the day. Opening keynote(s) The first part of the opening was about Devoxx. The creator Stephan Jansen and some of his colleagues went through the updates regarding the ‘Devoxx’ ecosystem of conferences that is now booming. London, Paris, Krakow, Casablanca are now ...

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Do we need coding conventions?

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There are things that just come natural and we forget to wonder if it could be some other way. It is like that the sun rise morning and sets evening. But scientists raise the question and even though the sun still rise in the morning and still sets evening we gathered a lot of knowledge about it. It is similar ...

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Software Development

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Well, I’ve recently gone to the “silver” side and acquired a MacBook Pro to use it for development when I am not at my PC. By development I mean here mainly Java + Javascript development. So I’ve written this post to remember what I had to install/configure to achieve this goal. I need to mention that until now I’ve been ...

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Does PostgreSQL Have an ORA-01795-like Limit?

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The Oracle database requires that no more than 1000 entries be used in a SQL IN portion of a WHERE clause and will throw an ORA-01795 error if that number is exceeded. If a value needs to be compared to more than 1000 values, approaches other than use of IN must be applied. I wondered if this limitation applies to ...

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Critical Mass of Tests for Continuous Deployment

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Does this situation sound familiar? An engineering team relies on manual testing for quality assurance and preventing regressions. The manual process is lengthy, prone to errors, and doesn’t handle edge cases, so there are frequent regressions that slip into production. The deployment pipeline has slowed to a crawl, causing features to pile up on top of each other. Getting anything ...

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#GeekListener v.2

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Hello everyone, java and scala developers, big data engineers, geeks and random readers who opened the #GeekListener digest. So what was interesting on the previous week? There are a banch of things: echoes of the JavaOne conference, java lambdas, education, scala stuff and a humour which you may expect from me. So let’s begin! Stuart Marks starts the #GeekListener digest ...

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JavaOne and OOW 2015 Summary

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Hello everyone! Finally I’m back after a great JavaOne and OOW 2015. In this post I’d like to share my experiences, some photos and a summary of the talks I attended. Pre Conference I flew to San Francisco on Saturday 24th 2015 via Copa Airlines CLO-PTY-SFO. Long trip from Colombia (about 8 hours). I missed the Geek Bike Ride, a ...

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Is your code too concrete?

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A post of note Mark Tiele Westra wrote a splendid post two years ago, “The ball of mud transition,” in which he elaborated on an idea nabbed from a Stuart Kauffman book. He writes, “Take 20 buttons and a ball of string, and scatter the buttons over the floor. Then take two buttons at random, and connect them using a ...

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