While working with cryptography, we may need to generate a given number of random bytes. Programming languages provides various methods to do that. A table includes a links to posts...

OpenCV is an open-source library for image processing, computer vision, and machine learning. OpenCV is widely used for object detection, gesture recognition, motion tracking, face detection and recognition, image segmentation...

The btop++ is a tool that enables to monitor system resources and running processes via command line. This tool displays CPU, RAM, disk, and network usage. The btop++ is written...

Sensitive configuration parameters should never be stored in the code. Recommended to store configuration parameters in environment variables. Learn how to load environment variables from .env file. A table includes...

While working with text processing, we may need to insert a string into another string at given position. Programming languages provides various methods to do that. A table includes a...

The find is a command line tool that allows to search files and directories in a directory hierarchy based on conditions such as name, size, type, permissions, owner, etc. This...

GCC (GNU Compiler Collection) is a collection of compilers for various programming languages such as C, C++, Objective-C, Objective-C++, Fortran, Ada, D, and Go. GCC is a part of GNU...

The ldd is a command line tool that prints the shared library dependencies of an executable program or shared library. The ldd command can be useful when wanted to find...

There might be cases when we want to know which packages are installed on Raspberry Pi OS by default. For example, we want to remove a certain installed packages to...

The cloc is a command line tool that allows to count blank lines, comment lines, and physical lines of source code. Results are displayed in the table. This tool supports...