I know we are using VPN alot for different purposes and here is the types of it.

When we talk about Blockchain how can we forgot smart contract. Let’s start with the smart contracts creation by using solidity. For the smart contract we gonna use solidity and Remix IDE. Visit the following link to start. https://remix.ethereum.org/ // SPDX-License-Identifier: MIT pragma solidity 0.8.8; contract SimpleStorage{ //boolen,uint, int, address…

Sometimes its hard to understand data structure and implementation of it in development.Here I am gonna teach you how to learn data structure concepts easily without mashing up and confusion. Stack:

Hey Friends, Today I will show you easiest way to create bar graphs in iOS by using a library created by me. https://github.com/javedmultani16/JBar JBar Beautiful and easy bar graph for iOS

func permute(strInput:String,l:Int,r:Int){ var inputCharacter = Array(strInput) if ( l==r){ print(strInput) }else{ for var i in l..<r{ // Swapping done inputCharacter.swapAt(l, i); // Recursion called permute(strInput: String(inputCharacter), l: l+1, r: r); //backtrack inputCharacter.swapAt(l, i); } } } This is how you can use this method: let str = "ABC permute(strInput: str, l…