What is IoT? If we go into the definition of the Internet of Things, we find out that it is the concept of inter-networking of physical devices, connected devices, smart devices, and other devices embedded with electronics, software, sensors, actuators, and network connectivity that enable these objects to collect and exchange data. What…

We use internet all the time for all sorts of purposes, and it has become like a second nature to browse all day. So much so that we’re most of the time content with just knowing that our browser works and does what it’s asked. But it’s not magic (or…

Recursion in Programming What is recursion? Sometimes a problem is too difficult or too complex to solve because it is too big. If the problem can be broken down into smaller versions of itself, we may be able to find a way to solve one of these smaller versions and then be able…

ID and Type Two tools that will come in handy throughout this project are ID and Type. According to the official Python documentation, the id() function returns identity (unique integer of an object). This function helps us determine if we’re creating new objects or reusing existing ones. For example:

How to Create a Dynamic Library (Linux) To create a dynamic library in Linux, simply type the following command: gcc *.c -c -fPIC and hit return. This command essentially generates one object file .o for each source file .c . The -fPIC flag ensures that the code is position-independent. This means it wouldn’t matter where the computer…

What does the command interpreter do when we press ls -l? Operation mode There is a possibility of using Shell in two different ways known as the interactive mode and the non-interactive mode. 1- Interactive mode: This mode allows to put commands deliberately for infinite times at least until it is “exit” or “EOF”(Ctrl +…

What is GNU? In 1983 Richard Stallman announced the GNU Linux project (pronounced: GNOO LIN-əks), which was developed as a derivative of the UNIX operating system. The project gained so much popularity that Richard and others founded the Free Software Foundation in 1985. Richard has been very outspoken on some of the early…

A link in UNIX is a pointer to a file. Like pointers in any programming languages, links in UNIX are pointers pointing to a file or a directory. Creating links is a kind of shortcuts to access a file. …