During image processing, it is often necessary to know the image size such as width, height, and number of the channels. This tutorial provides example how to get image size...

Image resizing reduces the number of pixels in an image. It can be useful when want to decrease image processing time or reduce the time of training of a neural...

Object detection based on Haar cascades is a machine learning technique where a cascade function is trained using positive and negative images. It is used to detect objects in an...

Many peripheral devices have USB interface to connect to the computer such as webcams, keyboards, mouses, hard drives, etc. This tutorial demonstrates how to get a list of USB devices...

The lshw is a command line tool for displaying detailed information about hardware components on a system. The tool enables to view details about CPU, RAM, network interfaces, USB controllers...

Ranger is a command line based file manager that allows to navigate directories, preview file content, open a file with an editor, and other features. Ranger provides a way to...

The nvidia-smi is a command line tool that allows to manage, monitor and get information about Nvidia GPU devices installed in the system. This command available on Windows and Linux...

When thinking about reinstalling the Ubuntu system, you may want to determine how long ago the system was installed. This tutorial demonstrates how to get Ubuntu installation date and time...

When thinking about reinstalling Windows operating system, you may want to determine how long ago the system was installed. This tutorial provides 2 methods how to get Windows installation date...

The build-essential is a package that holds an informational list of all other packages for building Debian packages and compiling software. The build-essential installs the following list of individual packages:...