Kevin Chisholm kevinchisholm

## _node-basic-websocket-server.md

      
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                kevinchisholm
                / _node-basic-websocket-server.md
            
            
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              November 29, 2023 10:25
            
              
                Code Examples for my Blog Post: Create a Node.js Websocket Server in Five Minutes
              
          
Code Examples for my Blog Post: Create a Node.js Websocket Server in Five Minutes

The full Github repo can be found here: https://github.com/kevinchisholm/video-code-examples/tree/master/node/websocket-basic-server

Setup


Clone this repo:


## _node-js-driver-basic-crud-operations.md

      
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                kevinchisholm
                / _node-js-driver-basic-crud-operations.md
            
            
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              April 13, 2022 17:43
            
          
Code Examples for my Blog Post: Getting Started With the MongoDB Node.JS Driver – Basic CRUD Operations


## get-script-example-4.js
function getScript(scriptUrl, callback) {
    const script = document.createElement('script');
    script.src = scriptUrl;
    script.onload = callback;

    document.body.appendChild(script);
}

//  anonymous function as 2nd argument
getScript('https://bit.ly/get-script-example', function () {

## validate-phone-for-e164.js
function validatePhoneForE164(phoneNumber) {
    const regEx = /^\+[1-9]\d{10,14}$/;

    return regEx.test(phoneNumber);
};

validatePhoneForE164('+12125551212'); // true
validatePhoneForE164('12125551212'); // false
validatePhoneForE164('2125551212'); // false
validatePhoneForE164('+1-212-555-1212'); // false

## scraper-api-ex-2-B.html
<!DOCTYPE html>
<html>
   <head>
      <meta charset="utf-8">
      <title>Web Scraping Example</title>
   </head>
   <body>
      <article id="main">
         <p>This text was added with JavaScript.</p>
      </article>

## scraper-api-ex-1-b.html
<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>Web Scraping Example</title>
    </head>
    <body>
        <article id="main">
            <p>I've been scraped!</p>
        </article>

## scraper-api-ex-2-A.js
const scraperapiClient = require('scraperapi-sdk')(YOUR_API_KEY);

async function scrapePage(){
	const scrapeUrl = 'http://examples.kevinchisholm.com/scrape-me/'
	const scrapeResponse = await scraperapiClient.get(scrapeUrl, {render: true})
	console.log(scrapeResponse);
}

scrapePage();

## scraper-api-ex-1-a.js
const scraperapiClient = require('scraperapi-sdk')(YOUR_API_KEY);

async function scrapePage(){
	const scrapeUrl = 'http://examples.kevinchisholm.com/scrape-me/'
	const scrapeResponse = await scraperapiClient.get(scrapeUrl)
	console.log(scrapeResponse);
}

scrapePage();

## scraper-api-example-package.json
{
  "name": "scraper-api-example",
  "version": "1.0.0",
  "description": "Scraper API Example",
  "main": "app.js",
  "author": "Kevin Chisholm",
  "license": "ISC",
  "dependencies": {
    "scraperapi-sdk": "^1.0.6"
  }

## App.js
import React, {Component} from 'react';
import {View, Image} from 'react-native';
import MapboxGL from '@mapbox/react-native-mapbox-gl';

MapboxGL.setAccessToken(YOUR_ACCESS_TOKEN);

const coordinates = [
  [-73.98330688476561, 40.76975180901395],
  [-73.96682739257812, 40.761560925502806],
  [-74.00751113891602, 40.746346606483826],
	function getScript(scriptUrl, callback) {
	const script = document.createElement('script');
	script.src = scriptUrl;
	script.onload = callback;

	document.body.appendChild(script);
	}

	// anonymous function as 2nd argument
	getScript('https://bit.ly/get-script-example', function () {
	function validatePhoneForE164(phoneNumber) {
	const regEx = /^\+[1-9]\d{10,14}$/;

	return regEx.test(phoneNumber);
	};

	validatePhoneForE164('+12125551212'); // true
	validatePhoneForE164('12125551212'); // false
	validatePhoneForE164('2125551212'); // false
	validatePhoneForE164('+1-212-555-1212'); // false
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	<title>Web Scraping Example</title>
	</head>
	<body>
	<article id="main">
	<p>This text was added with JavaScript.</p>
	</article>
	const scraperapiClient = require('scraperapi-sdk')(YOUR_API_KEY);

	async function scrapePage(){
	const scrapeUrl = 'http://examples.kevinchisholm.com/scrape-me/'
	const scrapeResponse = await scraperapiClient.get(scrapeUrl, {render: true})
	console.log(scrapeResponse);
	}

	scrapePage();
	{
	"name": "scraper-api-example",
	"version": "1.0.0",
	"description": "Scraper API Example",
	"main": "app.js",
	"author": "Kevin Chisholm",
	"license": "ISC",
	"dependencies": {
	"scraperapi-sdk": "^1.0.6"
	}
	import React, {Component} from 'react';
	import {View, Image} from 'react-native';
	import MapboxGL from '@mapbox/react-native-mapbox-gl';

	MapboxGL.setAccessToken(YOUR_ACCESS_TOKEN);

	const coordinates = [
	[-73.98330688476561, 40.76975180901395],
	[-73.96682739257812, 40.761560925502806],
	[-74.00751113891602, 40.746346606483826],