Hrnsvnc Blog

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What is Docker – a short explanation

In this post i will describe as short as possible, what Docker is. I will try to explain how it works, what benefit it brings using it and what you can use it for. This post will help you to get a first impression. Even though docker is not the newest Technology and already aged a bit, it still is very popular.

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What is “CD” and “CI”

You may have heard of the Term “CI” or “CD” in software development. It often comes to confusion of the terms or even to wrong interpretation. In this article I would like to clarify what exactly “CD” and “CI” mean and what they differ in.

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How to install pi-hole on your Raspberry Pi – Part 1

The Pi can be used for many useful things. A useful use for many users is to install the pi-hole software. With this tool it is possible to disable advertising in a complete network. This means that even in smartphone apps or websites, ads will be no more visible anymore.

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The difference between authentication and authorization

A common question that frequently pops up is “what the difference between auth and authorization ?”. Many people are confused by these two terms or tend to mix those up. In this post i will explain it as simple as possible with some small examples.

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How to create an AlertDialog with AlertDialog.Builder for android in Java

In this short Example i will show you how to create an AlertDialog in Android with the AlerDialog.Builder in Java for your android App.

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