gpbaculio

<input
   type="checkbox"
   checked={this.state.filters.find(f => f.column === 'exchange').operand.indexOf('binance') > -1}
   onChange={() => this.onExchangeClick('binance')}
/>

gpbaculio

onExchangeClick(operand) {
    this.setState((state) => {
      const exchangeColumn = state.filters.find(filter => filter.column === 'exchange');
      if (exchangeColumn.operand.indexOf(operand) === -1) {
        return ({
          filters: [
            ...state.filters.filter(f => f.column !== 'exchange'), // this will return other elements of filters array that has no column = exchange
            { ...exchangeColumn, operand: [...exchangeColumn.operand, operand] },
          ],
        });

gpbaculio

import {
  GraphQLSchema,
  GraphQLObjectType,
  GraphQLString,
  GraphQLNonNull,
  GraphQLBoolean,
  GraphQLList,
  GraphQLInt
} from 'graphql';
import {

gpbaculio

loadItems = (pagingState) => { 
          if(!pagingState){
			console.log("loadItems pagingState false")
		  axios.get('/api/v1/news?pagingState', { // request for the 1st news
			headers: {
			  Authorization: 'Bearer '+localStorage.getItem('token')
			}
		  }).then((response) => {
			if(response.data.rows.length !== 0){
				var encodeURLPagingState = encodeURIComponent(response.data.pagingState)

gpbaculio

import React from 'react';
import Footer from '../Footer';
import axios from 'axios';
import { withRouter } from 'react-router';
import './style.css'

class Login extends React.Component {

	state = {
		email: '',

gpbaculio

var aString = "I am a string"
var aNumber = 1;
var aType = typeof aNumber;
var aFunction = function () {
  return "A value";
}
var foo = aFunction();
var aBoolean = true;
var aNull = null;
var anArray = [1,2,3];

gpbaculio

  var app = express();
const indexPath = path.join(__dirname, './public/index.html')
const publicPath = express.static(path.join(__dirname, './public'))

    app.use('/public', publicPath)
    app.use('/graphql', graphQLHTTP({graphiql: true, schema, pretty: true})); // graphql endpoint
    app.get('/', function (_, res) { res.sendFile(indexPath) });
  let http = require('http');
  let server = http.createServer(app);
  server.listen(4000, () => console.log("app in 4000"));

gpbaculio

function power(base, exponent) {
  if (exponent == 0) {
    return 1;
  }
  else {
    return base * power(base, exponent - 1);
  }
}

console.log(power(2, 3));

gpbaculio

// Sample 1
function wrapValue(n) {
  var localVariable = n;
  return function() { return localVariable; };
}

var wrap1 = wrapValue(1); /* invoke wrapValue with argument 1(n on parameter), 1 will then be assigned to the localVariable.
                             Remember that wrapValue returns a function, so it's like you're assigning a function to wrap1 that 
                             returns the localVariable value, in this case, 1. */
var wrap2 = wrapValue(2);

gpbaculio

// alert requires only one argument, the 2nd and 3rd arguments are ignored and alerts only "Hello"
alert("Hello", "Good Evening", "How do you do?"); 

function power(base, exponent) {
  if (exponent == undefined) {
    debugger;
    exponent = 2;
  }
  var result = 1;
  for (var count = 0; count < exponent; count++) {