This methods helps us to prevent adding new properties to the object. Though it will not throw error in normal case but will throw error if it is used in 'use strict'. Changing value of already added property is fine and it won't throw any error.

Each developer is unique, with individual strengths and weaknesses, preferences and dislikes. Here are some characteristics that a pragmatic programmer will follow.

Learning random things on the internet that pops in your Reddit, Twitter is always fun and interesting, but learning things to reach your goal is always fascinating and a satisfactory thing. what’s the best way to go about acquiring intellectual capital with which to fund your portfolio? Here are a few suggestions.

Docker is platform which helps us to ship, build and deploy application. It provides us containerization platform which is different then virtual machine. A VM (Virtual Machine) is whole OS which sits on top of a host OS but a container is just a collection of things which we need.