Field hockey is a team sport of the hockey family which is played between two teams of eleven players with hockey sticks and a hard, solid plastic ball. Let's see if you know some of the sports trivia.
Spiders are air-breathing arthropods that have eight legs and chelicerae with fangs that inject venom. Find out how well do you really know about this creepy and magnificent creatures.
Sometimes you don't want others to see what stupid things you are doing on the video clip. In this lesson you will learn how to blur the particulary part of the video.
By default the command line outputs are displayed onto a screen, but you can easily redirect into a text file or even make it to be used as an input for the following command.
