Prerequisites: These software need to be installed on your machine first: Node.js MongoDB What is REST API? A RESTful API, also known as REST API, is based on Representational State Transfer (REST), which is an architectural style and communication approach commonly used in the development of Web Services. RESTful APIs can be designed using programming…

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If you had typed https://www.google.com in a text editor, your OS would have let the dedicated text editor program handle your interactions with it. But since you typed in the browser, it will let the browser application handle it. What is a browser? Similarly, the browser is the medium that allows you to make…

The internet of things, or IoT, is a system of interrelated computing devices, mechanical and digital machines, objects, animals or people that are provided with unique identifiers (UIDs) and the ability to transfer data over a network without requiring human-to-human or human-to-computer interaction. A thing in the internet of things…

Recursion is a process in which a function calls itself as a subroutine. This allows the function to be repeated several times, since it calls itself during its execution. Functions that incorporate recursion are called recursive functions. Recursion is often seen as an efficient method of programming since it requires…

What is Object Oriented Programming (OOP): Object Oriented Programming is not a programming language, but rather a model in which programs are organized around data or objects. OOP uses the concept of objects and classes. For instance, an object could represent a person with properties like a name, age, and address and behaviors such as walking…

Why use libraries? As mentioned before, libraries allow us to store function definitions, aka pieces of code that will be use in our executable program. It makes the tedious task of compiling a huge number of source files together avoidable, isn’t it great? Libraries are made of object files, with the extension ‘.o’…

What is a shell? A Shell is a program that takes the command inputs written from the the user’s keyboard and passes them to the machine to execute them through the kernel. It also verifies if the command inputs from the user are correct.

What is an Integer? Integers are whole numbers that can have both zero, positive and negative values but no decimal values. For example, 0, -5, 10. The size of int is usually 4 bytes (32 bits). And, it can take 232 distinct states from -2147483648 to 2147483647. Example. int a = 456; The value is…