In this article, I’m going to explain the important terms in blockchain you will come across many times if you start learning about blockchain technology. Crypto wallet A crypto currency wallet is a piece of software that keeps track of secret keys used to digitally sign cryptocurrency transaction for distributed ledgers. These…

In this article I’m going to tell the basic structure to build a chrome extension using JavaScript and will explain the working of different files used to build our chrome extension. To create a Chrome extension with JavaScript, you will need to follow these steps: Create a new folder for…

This article is in continue of previous article where I listed some important ReactJs questions for your next frontend interview along with there answers. What is the purpose of using super constructor with props argument? A child class constructor cannot make use of this reference until the super() method has…

This article is in continue of previous article where I listed some important ReactJs questions for your next frontend interview along with there answers. How to pass a parameter to an event handler or callback? You can use an arrow function to wrap around an event handler and pass parameters: …

In this article I’m going to list some important ReactJs questions for your next frontend interview along with there answers. What is ReactJs ? List some important features of it ? ReactJS is a javascript library that was developed by Facebook for the user interface in 2013. …

In this article, I’m going to discussed about sql commands in depth with their example which can also help in how to write queries in sql. In SQL, there are five sql commands which are:- DDL DML DQL DCL TCL Tells go for in-depth discussion about every command with their…

In this article we will see what is cryptography , types of cryptography , how cryptograph works and how cryptography makes blockchain unstoppable. What is cryptography? Let’s see what is cryptography by an example . Suppose alice send message to bob by simple mode of communication network what will be the problem in…

This article contain some Linux command which is important for you to know if you are using Linux operating system or you can face some of these commands in your next technical interview. Give it a this will clear your basic understanding of different commands in Linux. sudo command sudo…

Before starting this article , one thing I want to tell you that their is no new coding question every question can be solve by the algorithms you studied the thing is you just have to identify the pattern of that question. …