RALPH WALDO EMERSON

• Root is the topmost node of the tree  
• Edge is the link between two nodes  
• Child is a node that has a parent node  
• Parent is a node that has an edge to a child node  
• Leaf is a node that does not have a child node in the tree  
• Height is the length o...

There are two kind of people in this world.

First is a generalist, who knows different & many things but not in depth.

And the second one is a specialist, who excels in particular field of knowledge in depth. But not adequate in any other field beside...

It’s like when we button a shirt, so if all buttons are buttoned, it is assumed that the left and right sides are the same length.

But when the buttons don’t fit properly, so you can see that there is a longer side of the shirt. But actually THE LEFT SIDE & RIGHT SIDE IS TOTALLY THE SAME LE...