sharmaabhinav

// refer https://medium.com/coinmonks/journey-from-key-to-bitcoin-address-mainnet-and-testnet-variations-edb7c9d69665

const crypto = require('crypto');
const bs58check = require('bs58check')

function generateCompressedPublicKey(x, y) {
  // Convert x and y from hexadecimal to BigInt
  const xBigInt = BigInt('0x' + x);
  const yBigInt = BigInt('0x' + y);

sharmaabhinav

const s = "      abhinav sharma.      "

console.log(
  s.at(0),
  s.charAt(0),
  s.charCodeAt(0),
  s.startsWith("abhi"),
  s.concat("defghi"),
  s.endsWith("rma"),
  String.fromCharCode(98),

sharmaabhinav

import React, { useState, useRef, useEffect } from 'react';

const formattedTime = (time) => {
  const paddedMin = String(Math.floor(time / 60)).padStart(2, '0');
  const paddedSec = String(time % 60).padStart(2, '0');
  return `${paddedMin}:${paddedSec}`;
};

function Solution() {
  const [time, setTime] = useState(0);

sharmaabhinav

body {
  font-family: sans-serif;
}

.progress-container {
  background-color: rgb(233, 236, 239);
  border: 1px solid #c5c5c5;
  border-radius: 8px;
  height: 20px;
  overflow-x: hidden;

sharmaabhinav

import './styles.css';


/**
 * 
 * performance issues
 */

const mountPoint = document.getElementById('root')

sharmaabhinav

Find an element in the list of user objects based on Id

const list = [
  {
    Id: 1,
    Name: “A”
  },
  {
    Id: 2,
    Name: “B”

sharmaabhinav

Array map 

const arr = [2,3,4,5]
arr.map((el) => 2 * el)
Output = [4,6,8,10] 

String repeat

const city = “ajmer”
city.repeat(5)

sharmaabhinav

GET /_cluster/health
GET /_cat/shards?v
GET /_cat/nodes?v
DELETE /pages
GET /_cat/indices?v

PUT /products
{
  "settings": {
    "number_of_shards": 2,

sharmaabhinav

var compare = function (obj1, obj2) {
    if (obj1 === obj2) {
      return true
    }
  
    var keyMap = {}
    var obj1Keys = Object.keys(obj1)
    var obj2Keys = Object.keys(obj2)
    
    

sharmaabhinav

function multiply (a, b) {
  return a * b
}
/* 
  Creates a function that is restricted to invoking func once. 
  Repeat calls to the function return the value of the first invocation. 
  The func is invoked with the this binding and arguments of the created function.
*/
function once (fn) {
  var cacheValue = null