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

package main

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

	"github.com/antchfx/htmlquery"
)

kitz99

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

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

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

type ProductList []Product

kitz99

package main

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

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

kitz99

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

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

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

    results = []

kitz99

  results = []
  products = document.xpath("//ul[@class='products']/li")  
  products.each do |p|
      json_product = {}
      json_product[:title] = p.xpath("div/div[@class='product-header']").text.strip
      json_product[:description] = p.xpath("div/div[@class='product-body']/p[contains(@class, 'description')]").text.strip
      json_product[:price] = p.xpath("div/div[@class='product-footer']/p[contains(@class, 'price')]").text.strip

      results << json_product
  end

kitz99

require 'open-uri'
require 'nokogiri'

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

kitz99

func deleteRecord(id int64) error {
	qryString := fmt.Sprintf("DELETE from posts WHERE id = %d", id)
	fmt.Printf("Query: %v\n", qryString)

	_, err := roachConnection.Exec(qryString)
	return err
}