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Android App Development for Beginners: Navigation Tabs

If you're developing an Android app with multiple screens, a great navigation option is tabs. Tabs are particularly useful if your screens are all at a similar hierarchy, for example providing different views of similar information. If you have a very hierarchical structure, tabs may make less logical sense and you may prefer to click deeper into the activity.

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How to Spoof the MAC Address of a Network Interface on Linux

A 48-bit MAC address (e.g., 08:4f:b5:05:56:a0) is a globally unique identifier associated with a physical network interface, which is assigned by a manufacturer of the corresponding network interface card. Higher 24 bits in a MAC address (also known as OUI or "Organizationally Unique Identifier") uniquely identify the organization which has...

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How to Operate Your Spycams with ZoneMinder on Linux (part 1)

ZoneMinder is the best security camera software for Linux. This quickstart will get you up and running with minimal frustration.

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Setting Up An APT Repository With reprepro And nginx On Debian Wheezy

Setting Up An APT Repository With reprepro And nginx On Debian Wheezy This tutorial explains how to set up an apt repository with the tool reprepro and a Debian Wheezy system. The repository will be served by an nginx server.

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Converting Files from Windows Format to Unix Format with dos2unix

Ever run a shell script and get the following error? # ./dosfile.sh : bad interpreter: No such file or directory The error may look like there is a problem with your scripts SHEBANG where you specify the interpreter, so you go look and the line contains #!/bin/bash which is correct. 

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