himanshu-dixit

/**
 * Definition for singly-linked list.
 * struct ListNode {
 *     int val;
 *     ListNode *next;
 *     ListNode(int x) : val(x), next(NULL) {}
 * };
 */
class Solution {
public:

himanshu-dixit

package main

import (
	"fmt"
)

type doublyLinkedNode struct {
	prev, next * doublyLinkedNode
	key, val int
}

himanshu-dixit

....

class Dashboard extends Component {
    ....
    logout() {
        let auth = new Auth();
        auth.logout();
    }

    render() {

himanshu-dixit

import React, {Component} from 'react';
import {Mutation} from 'react-apollo';
import {updateTodo, getTodos} from '../../Queries';

class UpdateToDo extends Component {
    constructor(props) {
        super(props);
        this.state = {
            id: this.props.todo_id
        }

himanshu-dixit

import React, { Component } from 'react';
import {Mutation} from 'react-apollo';
import {deleteTodo, getTodos} from '../../Queries';

class DeleteTodos extends Component {
    constructor(props) {
        super(props);
        this.state = {
            id: this.props.todo_id
        }

himanshu-dixit

import React, { Component } from 'react';
import {Mutation} from 'react-apollo';
import {addTodo, getTodos} from '../../Queries';

class AddTodos extends Component {
    constructor(props) {
        super(props);
        this.state = {
            task: "",
            user: localStorage.getItem("user"),

himanshu-dixit

import React, { Component } from 'react';
import { Query} from 'react-apollo';
import {getTodos} from '../../Queries';
import DeleteTodos from "./DeleteTodos";
import UpdateToDo from "./UpdateToDo";

class ListAllTodos extends Component {

    render() {
        return (

himanshu-dixit

...
constructor(props) {
    super(props);
    const ACCESS_TOKEN = localStorage.getItem('access_token');
    this.client = new ApolloClient({
        uri: "https://himanshu-todo.herokuapp.com/v1alpha1/graphql",
        headers: {
            'Authorization': `Bearer ${ACCESS_TOKEN}`,
        }
    });

himanshu-dixit

import gql from 'graphql-tag';

export const getTodos = gql`{
    todo(order_by: []){
        id
        task
        user
        completed
    }
}`;

himanshu-dixit

import React, { Component } from 'react';
...
class App extends Component {
  render() {

      const handleAuthentication = (nextState, replace) => {
          if (/access_token|id_token|error/.test(nextState.location.hash)) {
              const auth = new Auth();
              auth.handleAuthentication();
          }