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Image grid layout with css example

We were developing a mobile application with different image grid layouts. Layouts needed to be responsive, as the application should look good on all mobile devices including mobile phones and smaller and bigger pads.

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Apache 2.4 on Gentoo with MPM ITK

I recently upgraded my Gentoo development server from Linux Apache 2.2 to Apache 2.4. Though there are some notable changes between Apache 2.2 and Apache 2.4, the ITK MPM required some configuration to be able to use it.

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How to program a drone with Java

In this article we will answer one simple question about drone programming – where do I start? What do I need to do to make a simple drone application?

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Java volatile vs atomic variables

Volatile and atomic variables are an important feature in Java language. Especially when dealing with multi threading. A simple incrementation algorithm works fine in a single threaded program, but won’t work as expected in a multi threaded system: