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Task: URL shortener

Time limit : 3-4 Hour

Problem

Design a URL shortener service like (bit.ly). this service will provide short aliases redirecting to long URLs and also add the ability to attach tags to URLs.

For example, if we shorten this page through the service: https://example.com/assets/category_B/subcategory_C/Foo/

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Questions

1. Is console a global object?

• A) Yes
• B) No

answer (A)

2. Which method of fs module is used to close a file?

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import Axios from "axios";
import { LogService } from "../services/log-service";
import getAndRegisterGeneralToken, {
  getGeneralToken,
  removeGeneralToken,
} from "../services/token-service";

const instance = Axios.create();
instance.defaults.baseURL = "http://localhost:3000/graphql";

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{
    "Make React Component": {
        "prefix": "makeReactComponent",
        "body": ["import React from 'react'; \n\nfunction ${1:$TM_FILENAME_BASE}(props) {\n\treturn (\t\n\t\t<div>$0</div>\n\t)\n} \nexport default ${1};"],
        "description": "Make a react functional component"
    }
}

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<div class="parent">
  
  <div class="head">
    Title
  </div>

  <div class="body" appScroll [offsetHeight]="200" (onBottomRached)="onBottomReached($event)">
    <div class="content" *ngFor="let i of loop; let j = index">item - {{j+1}}</div>
  </div>
  

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package com.example.demo;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.TextView;

import com.arover.moment.Moment;

import java.util.Timer;
import java.util.TimerTask;

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package datastone.com.date;


import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.TimeZone;

public class DateUtil {
    private static final int SECOND_MILLIS = 1000;

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<?php
return [
  "Afghanistan" => "Afghanistan",
  "Albania" => "Albania",
  "Algeria" => "Algeria",
  "Andorra" => "Andorra",
  "Angola" => "Angola",
  "Antigua & Deps" => "Antigua & Deps",
  "Argentina" => "Argentina",
  "Armenia" => "Armenia",

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<?php

return [
"AP" => "Andhra Pradesh",
"AR" => "Arunachal Pradesh",
"AS" => "Assam",
"BR" => "Bihar",
"CG" => "Chhattisgarh",
"Chandigarh" => "Chandigarh",
"DN" => "Dadra and Nagar Haveli",

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<?php
return  [
    'Malappuram' => 'Malappuram',
    'Thiruvananthapuram' => 'Thiruvananthapuram',
    'Ernakulam' => 'Ernakulam',
    'Thrissur' => 'Thrissur',
    'Kozhikode' => 'Kozhikode',
    'Palakkad' => 'Palakkad',
    'Kollam' => 'Kollam',
    'Kannur' => 'Kannur',