manojnaidu619

const mongodb = require("mongodb")
const MongoClient = mongodb.MongoClient

const connectionURL = "mongodb://127.0.0.1:27017"             // Change the url in production
const databaseName = "task-manager"                           // Change the database name

MongoClient.connect(connectionURL, { useNewUrlParser: true, useUnifiedTopology: true  }, (error, client) => {
    if (error) {
        return console.log("Some error occurred")
    }

manojnaidu619

const addFunction = (a, b, callback) => {
    setTimeout(() => {
        const sum = a+b
        callback(sum)
    },1000)
}

addFunction(1, 2, (sum) => {
    console.log(sum)
})

manojnaidu619

import queue

class Node:
    def __init__(self):
        self.data=None
        self.neighbors=[]

class Graph:
    def __init__(self):
        self.root=None

manojnaidu619

import queue

class Node:
    def __init__(self):
        self.data=None
        self.neighbors=[]

class Graph:
    def __init__(self):
        self.root=None

manojnaidu619

class Node:
    def __init__(self):
        self.data=None
        self.left=None
        self.right=None

class LL:
    def __init__(self):
        self.root=None
        self.leaf=0

manojnaidu619

def binarySearch(arr, key, low, high):
    if low>high:
        return False
    else:
        mid = (low+high)/2  
        if arr[mid]==key:
            return True
        elif key<arr[mid]:
            return binarySearch(arr,key,low,mid-1)
        else:          

manojnaidu619

def binarySearch(arr,key):
    low,high=0,len(arr)-1
    while low<=high:
        mid = (high+low)/2
        if arr[mid]==key:
            return mid+1
        if key<arr[mid]: high=mid-1
        else: low=mid+1    
    if low>high: return False

manojnaidu619

from random import randint

class Account:

    def __init__(self):
        self.accounts = {}
        self.name = None
        self.initialDeposit = None

    def createAccount(self, name, initialDeposit):

manojnaidu619

class Library:
    def __init__(self, listOfBooks):
        self.books = listOfBooks

    def showAllBooks(self):
        print("\n")
        for book in self.books:
            print(book)
        print("\n")

manojnaidu619

import React, {useState} from 'react';

const App = props => {
  
  const [pstate, sstate] = useState({
      name: "Manoj",
      country: "India"
    })

  const switchNameHandler = () => {