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Between 0 and 1 – PWM with Raspberry Pi

Switch on and off an LED and let run a motor at one speed and direction is easy, but what if I want to e.g. control the brightness of an LED or control motor-speed? A kind of analog ...
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But that’s impossible, or finding out that the JIT has broken your code.

Every now and then you look at some code and think that it cannot be possibly be wrong. Once you have ruled out a simple programmer screw up / enemy action in code (Make sure you read ...
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Don’t Block The UI

I’ve talked with many end users about their badly written apps grievances and I’ve come to the conclusion that it isn’t a matter of native vs. cross platform or even ...
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Using the “Do You Have Any Questions?” Question

During most interviews, an interviewer provides the candidate the opportunity to ask questions. In most cases the highly-anticipated “Do you have any questions?” question falls towards ...
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Clojure at Scale: Why Python Just Wasn’t Enough for AppsFlyer

A first hand experience and an introduction to Clojure at scale Still considered a bit of an esoteric language, Clojure is one of the JVM languages that get us excited. There aren’t ...
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Do you really want to speed up your Maven compile/packaging? Then takari lifecycle plugin is the answer.

Like many of you out there, I am working with a multi module Maven project. It is not a huge one comparing to many systems out there, it has 15 modules, with 3 different ear deployments, ...
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Agile Testing Days 2014–The #AgileTD Post

Second time around is even better. And much more fun. You know people, who know you. You meet new people, who want to share and talk and ask. Oh and there’s beer, more beer. Thank ...
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Spark: Parse CSV file and group by column value

I’ve found myself working with large CSV files quite frequently and realising that my existing toolset didn’t let me explore them quickly I thought I’d spend a bit of time looking ...
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Java Reflection Tutorial – The ULTIMATE Guide

This tutorial is about reflection, the ability of a computer program to examine and modify the structure and behavior (specifically the values, meta-data, properties and functions) ...
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How To Setup BPM and Rules Tooling For JBoss Developer Studio 8

The release of the latest JBoss Developer Studio (JBDS) brings with it the questions around how to get started with the various JBoss Integration and BPM product tool sets that are ...
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