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@bradtraversy
bradtraversy / sw_cached_pages.js
Created August 2, 2018 20:50
Service worker to cache pages
const cacheName = 'v1';
const cacheAssets = [
'index.html',
'about.html',
'/css/style.css',
'/js/main.js'
];
// Call Install Event
@bradtraversy
bradtraversy / blogscraping.py
Created July 29, 2018 12:02
Simple scraping of a blog
import requests
from bs4 import BeautifulSoup
from csv import writer
response = requests.get('http://codedemos.com/sampleblog/')
soup = BeautifulSoup(response.text, 'html.parser')
posts = soup.find_all(class_='post-preview')
@bradtraversy
bradtraversy / node_redis_cache.js
Created August 20, 2019 12:31
Node.js & Redix Caching
const express = require('express');
const fetch = require('node-fetch');
const redis = require('redis');
const PORT = process.env.PORT || 5000;
const REDIS_PORT = process.env.REDIS_PORT || 6379;
const client = redis.createClient(REDIS_PORT);
const app = express();
@bradtraversy
bradtraversy / scrapy.md
Last active November 30, 2022 14:05
Scrapy commands and code
@bradtraversy
bradtraversy / vsc_js_snippets.json
Last active December 8, 2022 03:34
VSCode JavaScript Snippets
{
"Console Log": {
"prefix": "cl",
"body": "console.log($1);",
"description": "Console Log"
},
"Named Function": {
"prefix": "nfn",
"body": ["function ${1:functionName}($2) {", " $3", "}"],
"description": "Named Function"
@bradtraversy
bradtraversy / node_cheerio_scraping.js
Created August 6, 2018 02:55
Simple example to scrape some posts and put into a CSV file using Node & Cheerio
const request = require('request');
const cheerio = require('cheerio');
const fs = require('fs');
const writeStream = fs.createWriteStream('post.csv');
// Write Headers
writeStream.write(`Title,Link,Date \n`);
request('http://codedemos.com/sampleblog', (error, response, html) => {
if (!error && response.statusCode == 200) {
@bradtraversy
bradtraversy / sw_cached_site.js
Created August 2, 2018 20:50
Service Worker To Cache Response
const cacheName = 'v2';
// Call Install Event
self.addEventListener('install', e => {
console.log('Service Worker: Installed');
});
// Call Activate Event
self.addEventListener('activate', e => {
console.log('Service Worker: Activated');
@bradtraversy
bradtraversy / dtcrashcourse.html
Last active July 25, 2023 11:36
Code From the Developer Tools Crash Course
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<link rel="stylesheet" href="style.css">
<title>Devtools Test</title>
</head>
<body>
@bradtraversy
bradtraversy / python_mysql.py
Last active August 5, 2023 12:47
Python & MySQL crash course for beginners
import mysql.connector
from mysql.connector import errorcode
config = {
'user': 'root',
'password': '',
'host': 'localhost',
'database': 'acme'
}
@bradtraversy
bradtraversy / state_capitals.json
Created April 27, 2019 12:24
JSON array of states and capitals
[
{
"abbr": "AL",
"name": "Alabama",
"capital": "Montgomery",
"lat": "32.361538",
"long": "-86.279118"
},
{
"abbr": "AK",