kitz99

require 'nokogiri'
require 'open-uri'
require 'json'

URL = "https://kernel-panic.me/scraping.html"

def main()
    document = Nokogiri::HTML(open(URL))

    results = []

kitz99

package main

import (
	"github.com/antchfx/htmlquery"
)

func errHandler(err error) {
	if err != nil {
		panic(err)
	}

kitz99

type Product struct {
	Title       string `json:"title"`
	Description string `json:"description"`
	Price       string `json:"price"`
}

type ProductList []Product

kitz99

	result := ProductList{}

	productNodes := htmlquery.Find(doc, "//ul[@class='products']/li")
	for _, p := range productNodes {
		var currentProduct Product

		titleNode := htmlquery.FindOne(p, "div/div[@class='product-header']")
		currentProduct.Title = strings.TrimSpace(htmlquery.InnerText(titleNode))

		descriptionNode := htmlquery.FindOne(p, "div/div[@class='product-body']/p[contains(@class, 'description')]")

kitz99

	outputBytes, err := json.Marshal(result)
	errHandler(err)
	fmt.Println(string(outputBytes))

kitz99

package main

import (
	"encoding/json"
	"fmt"
	"strings"

	"github.com/antchfx/htmlquery"
)

kitz99

function withoutDestruct(config) {
    var opt1 = config.opt1 !== undefined ? config.opt1 : "foo";
    var opt2 = config.opt2 !== undefined ? config.opt2 : "foobar";
    var opt4 = config.opt3 !== undefined ? config.opt3 : "baz";

    console.log(opt1, opt2, opt3);
}

withoutDestruct({opt1: "hello ", opt2: "world", opt3: "!"}); // > "hello world!"

kitz99

const data = "This sentence uses word1 and also word2"

// using regex groups to extract word1 and word2
var result = data.match(/^This sentence uses (.*) and also (.*)$/);
const opt1 = resutt[1];
const opt2 = result[2];

// using destructuring

const { 3: opt1, 6: opt2 } = data.split(' ');

kitz99

const obj = { opt1: ["a", "b", "c", "d"], opt2: {opt21: "aaaa", opt22: false}, opt3: "http://exaple.com" }

JSON.stringify(obj, null, 4); 

// "{
//     "opt1": [
//         "a",
//         "b",
//         "c",
//         "d"

kitz99

version: '3'

services:
   db:
     image: mysql:5.7
     volumes:
       - ./data_dir:/var/lib/mysql
     restart: always
     environment:
       MYSQL_ROOT_PASSWORD: choosepasswd