There is a cheeky joke about recursion I can’t help using here “To understand recursion, you must first understand recursion”.

That may be correct with a caveat: like the Russian dolls, a recursion should not go on forever, it has to end when the base case is met.

What’s the…

Python is an object-oriented programming language, and in Python everything is an object.

Almost every object has some metadata (called attributes) and associated functionality (called methods).

Even these attributes and methods of objects are themselves objects with their own type information.

Every object can be assigned to a variable or…

Python is a high level programming language designed for general purpose programming, it supports both Procedural and Object Oriented features. Python is multi-paradigm.

With procedural programming, a problem is broken down into functions. Each function does just one task. …

What is a library in C?

When you write a program, chances are you may need to print something to the screen. How would you do it? Would you write a printf function from scratch or use the one available in the <stdio.h> library?

The answer is obvious.

When you compile and run the program with…

What happens when you type ls -l in the shell

By the way of introduction, I would like to make few reminders.

On computer systems, a byte consists of eight smaller units called bits. A bit can assume either of two values: 1 or 0.

The rightmost bit of a byte is known as the least significant bit (LSB), whereas the leftmost bit is known as the most significant bit (MSB).

Data…

Imagine there is an ideal library, where one could find all information ever existed, and these information are always available for whoever need them.

There is no need to store anything locally imagine no possessions, you may say I’m a dreamer ;-)

So, how would that help me to understand…