Pseudo-code to construct the URL for Google Maps pagination

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Fri Apr 23 2021 12:16:39 GMT+0000 (UTC)

Saved by @ilyazub #ruby #webscraping #serpapi #googlemaps #deobfuscation #reverse-engineering

if offset
  long ||= -73.91476977539236
  lat ||= 40.68525694561602
  alt ||= 120027.44487325678

  offset ||= 40

  psi ||= "b24JYPPGOoaJrwTXlbHACw"

  google_query = "#{query_scheme_and_domain}/search?tbm=map&authuser=0&hl=en&gl=ua&pb=!4m12!1m3!1d#{alt}!2d#{lat}!3d#{long}!2m3!1f0!2f0!3f0!3m2!1i1920!2i549!4f13.1!7i20!8i#{offset}!10b1!12m8!1m1!18b1!2m3!5m1!6e2!20e3!10b1!16b1!19m4!2m3!1i360!2i120!4i8!20m65!2m2!1i203!2i100!3m2!2i4!5b1!6m6!1m2!1i86!2i86!1m2!1i408!2i240!7m50!1m3!1e1!2b0!3e3!1m3!1e2!2b1!3e2!1m3!1e2!2b0!3e3!1m3!1e3!2b0!3e3!1m3!1e8!2b0!3e3!1m3!1e3!2b1!3e2!1m3!1e10!2b0!3e3!1m3!1e10!2b1!3e2!1m3!1e9!2b1!3e2!1m3!1e10!2b0!3e3!1m3!1e10!2b1!3e2!1m3!1e10!2b0!3e4!2b1!4b1!9b0!22m3!1s#{psi}!2s1i%3A2%2Ct%3A12696%2Ce%3A1%2Cp%3A#{psi}%3A1273!7e81!24m56!1m16!13m7!2b1!3b1!4b1!6i1!8b1!9b1!20b0!18m7!3b1!4b1!5b1!6b1!9b1!13b0!14b0!2b1!5m5!2b1!3b1!5b1!6b1!7b1!10m1!8e3!14m1!3b1!17b1!20m4!1e3!1e6!1e14!1e15!24b1!25b1!26b1!29b1!30m1!2b1!36b1!43b1!52b1!54m1!1b1!55b1!56m2!1b1!3b1!65m5!3m4!1m3!1m2!1i224!2i298!89b1!26m4!2m3!1i80!2i92!4i8!30m28!1m6!1m2!1i0!2i0!2m2!1i458!2i549!1m6!1m2!1i1870!2i0!2m2!1i1920!2i549!1m6!1m2!1i0!2i0!2m2!1i1920!2i20!1m6!1m2!1i0!2i529!2m2!1i1920!2i549!31b1!34m16!2b1!3b1!4b1!6b1!8m4!1b1!3b1!4b1!6b1!9b1!12b1!14b1!20b1!23b1!25b1!26b1!37m1!1e81!42b1!46m1!1e9!47m0!49m1!3b1!50m73!1m68!2m7!1u3!4sOpen+now!5e1!9s0ahUKEwiPrMCgia3uAhUjlYsKHanUBmYQ_KkBCNUJKBg!10m2!3m1!1e1!2m7!1u2!4sTop+rated!5e1!9s0ahUKEwiPrMCgia3uAhUjlYsKHanUBmYQ_KkBCNYJKBk!10m2!2m1!1e1!2m7!1u1!4sCheap!5e1!9s0ahUKEwiPrMCgia3uAhUjlYsKHanUBmYQ_KkBCNcJKBo!10m2!1m1!1e1!2m7!1u1!4sUpscale!5e1!9s0ahUKEwiPrMCgia3uAhUjlYsKHanUBmYQ_KkBCNgJKBs!10m2!1m1!1e2!2m7!1u16!4sVisited!5e1!9s0ahUKEwiPrMCgia3uAhUjlYsKHanUBmYQ_KkBCNkJKBw!10m2!16m1!1e1!2m7!1u16!4sHaven%27t+visited!5e1!9s0ahUKEwiPrMCgia3uAhUjlYsKHanUBmYQ_KkBCNoJKB0!10m2!16m1!1e2!3m1!1u3!3m1!1u2!3m2!1u1!3e1!3m11!1u16!2m4!1m2!16m1!1e1!2sVisited!2m4!1m2!16m1!1e2!2sHaven%27t+visited!4BIAE!2e2!3m2!1b1!3b1!59BQ2dBd0Fn!65m0!69i540&q=#{safe_query}&tch=1&ech=1&psi=#{psi}.1611230833287.1"
end

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SerpApi

@ilyazub

Search metadata example in JSON response from SerpApi Search metadata example in JSON response from SerpApi ruby-prof for SerpApi's Search#parse! Image extraction from Google HTML extract_js_image Pseudo-code to construct the URL for Google Maps pagination Testing generation of the next page URL for Google Maps Testing generation of the next page URL for Google Maps Testing generation of the next page URL for Google Maps Convert altitude and latitude to zoom Convert altitude and latitude to zoom Convert zoom and latitude to altitude Extract latitude, longitude and zoom from the ll parameter in Google Maps Convert the ll URL parameter to pb for the specific results offset on Google Maps Full code to convert ll to pb for Google Maps pagination Scrape Google News results using SerpApi Scrape Google News results using SerpApi

#ruby #rubyonrails

Write a Simple CSV in rails

file = "#{Rails.root}/public/users.csv"
headers = ["Name", "Company Name", "Email", "Role", "Team Name"]
CSV.open(file, 'w', write_headers: true, headers: headers) do |writer|
    Team.all.each do |team|
      team.users.each do |user|
        writer << [user.name, user.company_name , user.email, user.roles&.first&.name, team.name]
      end
    end
  end

#googleapi #googlemaps #geocode #jquery #javascript

Generate Google Maps marker with Geocode data

// Google Maps  
function initMap(getLat, getLng) {
  const location = { lat: getLat, lng: getLng };
  // The map
  const map = new google.maps.Map(document.getElementById("map"), {
    zoom: 14,
    center: location,
  });
  // The marker
  const marker = new google.maps.Marker({
    position: location,
    map: map,
  });
}

// Geocode
function geocode() {
  var defaultLocation = 'Tbilisi';
  var address = $("#address").text();

  if (addressEn) { // You can add more conditionals to specify address line 2, zip code, etc.
    var myLocation = address;
  } else {
    var myLocation = defaultLocation
  }

  axios.get('https://maps.googleapis.com/maps/api/geocode/json',{
    params:{
      address: myLocation,
      key: 'YOUR_KEY',
    }
  })
  .then(function (response) {
    var lat = response.data.results[0].geometry.location.lat;
    var lng = response.data.results[0].geometry.location.lng;
    initMap(lat, lng);
  })
  .catch(function(error) {
    console.log(error);
  })
}
// Call
geocode();

#ruby

Ruby 3.1 adds Array#intersect? | BigBinary Blog

1=> x = [1, 2, 5, 8]

2=> y = [2, 4, 5, 9]

3=> z = [3, 7]

4

5=> x.intersection(y) # x & y

6=> [2, 5]

7

8=> x.intersection(z) # x & z

9=> []

#react #api #ruby #rubyonrails

GET request in ruby on rails

  def search
    baseurl = "https://api.themoviedb.org/3/discover/movie?api_key=#{ENV['REACT_APP_TMDB_API_KEY']}&language=en-						US&sort_by=popularity.desc&with_watch_monetization_types=flatrate&include_adult=false&include_video		=false&page=${moviePageIndex}";
    urladdon = params[:urlAddon]

    require 'uri'
    require 'net/http'

    uri = URI("#{baseurl}#{urladdon}")
    res = Net::HTTP.get_response(uri)

    if res.is_a?(Net::HTTPSuccess)
      render json: res.body
    else
      render json: res.body, status: :bad_request
    end
  end

#webscraping #googlenews #serpapi

Scrape Google News results using SerpApi

import os

# https://github.com/serpapi/google-search-results-python
from serpapi import GoogleSearch

params = {
  "engine": "google",
  "q": "cute animals",
  "tbm": "nws",
  "api_key": os.getenv("API_KEY"),
}

search = GoogleSearch(params)

pages = search.pagination()

for result in pages:
  print(f"Current page: {result['serpapi_pagination']['current']}")

  for news_result in result["news_results"]:
      print(f"Title: {news_result['title']}\nLink: {news_result['link']}\n")

#webscraping #googlenews

Scrape Google News with Pagination

from bs4 import BeautifulSoup
import requests, lxml, urllib.parse


def print_extracted_data_from_url(url):
    headers = {
        "User-Agent":
        "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36 Edge/18.19582"
    }
    response = requests.get(url, headers=headers).text

    soup = BeautifulSoup(response, 'lxml')

    print(f'Current page: {int(soup.select_one(".YyVfkd").text)}')
    print(f'Current URL: {url}')
    print()

    for container in soup.findAll('div', class_='tF2Cxc'):
        head_text = container.find('h3', class_='LC20lb DKV0Md').text
        head_sum = container.find('div', class_='IsZvec').text
        head_link = container.a['href']
        print(head_text)
        print(head_sum)
        print(head_link)
        print()

    return soup.select_one('a#pnnext')


def scrape():
    next_page_node = print_extracted_data_from_url(
        'https://www.google.com/search?hl=en-US&q=cute+animals')

    while next_page_node is not None:
        next_page_url = urllib.parse.urljoin('https://www.google.com',
                                             next_page_node['href'])

        next_page_node = print_extracted_data_from_url(next_page_url)

scrape()

#webscraping #serpapi #googlemaps #deobfuscation #reverse-engineering #ruby

Full code to convert ll to pb for Google Maps pagination

# https://regex101.com/r/nOoiJ6/2
PAGINATION_PARAMETERS_REGEX = %r{
  \A                                      # Start of string
  (?:\s*)                                 # initial possible whitespace
  @(?<latitude>[-+]?\d{1,2}(?:[.,]\d+)?)  # latitude: @10.78472
  (?:\s*,\s*)                             # separator between latitude and longitude
  (?<longitude>[-+]?\d{1,3}(?:[.,]\d+)?)  # longitude: @-110
  (?:\s*,\s*)                             # separator between longitude and zoom
  (?<zoom>\d{1,2}(?:[.,]\d+)?)z           # zoom: 9.22
  \z                                      # End of string
}x

EARTH_RADIUS_IN_METERS = 6371010
TILE_SIZE = 256
SCREEN_PIXEL_HEIGHT = 768
RADIUS_X_PIXEL_HEIGHT = 27.3611 * EARTH_RADIUS_IN_METERS * SCREEN_PIXEL_HEIGHT

def pagination(ll, start)
  extracted_parameters = ll.match(PAGINATION_PARAMETERS_REGEX)

  return "" unless extracted_parameters

  "!4m8!1m3!1d" +
    altitude(extracted_parameters[:zoom].to_f, extracted_parameters[:latitude].to_f) +
    "!2d" +
    extracted_parameters[:longitude] +
    "!3d" +
    extracted_parameters[:latitude] +
    "!3m2!1i1024!2i768!4f13.1!7i20!8i" +
    (start || "0") +
    "!10b1!12m25!1m1!18b1!2m3!5m1!6e2!20e3!6m16!4b1!23b1!26i1!27i1!41i2!45b1!49b1!63m0!67b1!73m0!74i150000!75b1!89b1!105b1!109b1!110m0!10b1!16b1!19m4!2m3!1i360!2i120!4i8!20m65!2m2!1i203!2i100!3m2!2i4!5b1!6m6!1m2!1i86!2i86!1m2!1i408!2i240!7m50!1m3!1e1!2b0!3e3!1m3!1e2!2b1!3e2!1m3!1e2!2b0!3e3!1m3!1e3!2b0!3e3!1m3!1e8!2b0!3e3!1m3!1e3!2b1!3e2!1m3!1e10!2b0!3e3!1m3!1e10!2b1!3e2!1m3!1e9!2b1!3e2!1m3!1e10!2b0!3e3!1m3!1e10!2b1!3e2!1m3!1e10!2b0!3e4!2b1!4b1!9b0!22m3!1s!2z!7e81!24m55!1m15!13m7!2b1!3b1!4b1!6i1!8b1!9b1!20b0!18m6!3b1!4b1!5b1!6b1!13b0!14b0!2b1!5m5!2b1!3b1!5b1!6b1!7b1!10m1!8e3!14m1!3b1!17b1!20m4!1e3!1e6!1e14!1e15!24b1!25b1!26b1!29b1!30m1!2b1!36b1!43b1!52b1!54m1!1b1!55b1!56m2!1b1!3b1!65m5!3m4!1m3!1m2!1i224!2i298!89b1!26m4!2m3!1i80!2i92!4i8!30m28!1m6!1m2!1i0!2i0!2m2!1i458!2i768!1m6!1m2!1i974!2i0!2m2!1i1024!2i768!1m6!1m2!1i0!2i0!2m2!1i1024!2i20!1m6!1m2!1i0!2i748!2m2!1i1024!2i768!34m16!2b1!3b1!4b1!6b1!8m4!1b1!3b1!4b1!6b1!9b1!12b1!14b1!20b1!23b1!25b1!26b1!37m1!1e81!42b1!46m1!1e9!47m0!49m1!3b1!50m53!1m49!2m7!1u3!4s!5e1!9s!10m2!3m1!1e1!2m7!1u2!4s!5e1!9s!10m2!2m1!1e1!2m7!1u16!4s!5e1!9s!10m2!16m1!1e1!2m7!1u16!4s!5e1!9s!10m2!16m1!1e2!3m11!1u16!2m4!1m2!16m1!1e1!2s!2m4!1m2!16m1!1e2!2s!3m1!1u2!3m1!1u3!4BIAE!2e2!3m1!3b1!59B!65m0!69i540"
end

def altitude(zoom, latitude)
  ((RADIUS_X_PIXEL_HEIGHT * Math.cos((latitude * Math::PI) / 180)) / ((2 ** zoom) * TILE_SIZE)).to_s
end

#webscraping #serpapi #googlemaps #deobfuscation #reverse-engineering #ruby

Convert the ll URL parameter to pb for the specific results offset on Google Maps

def pagination(ll, start)
  extracted_parameters = ll.match(PAGINATION_PARAMETERS_REGEX)

  return "" unless extracted_parameters

  "!4m8!1m3!1d" +
    altitude(extracted_parameters[:zoom].to_f, extracted_parameters[:latitude].to_f) +
    "!2d" +
    extracted_parameters[:longitude] +
    "!3d" +
    extracted_parameters[:latitude] +
    "!3m2!1i1024!2i768!4f13.1!7i20!8i" +
    (start || "0") +
    "!10b1!12m25!1m1!18b1!2m3!5m1!6e2!20e3!6m16!4b1!23b1!26i1!27i1!41i2!45b1!49b1!63m0!67b1!73m0!74i150000!75b1!89b1!105b1!109b1!110m0!10b1!16b1!19m4!2m3!1i360!2i120!4i8!20m65!2m2!1i203!2i100!3m2!2i4!5b1!6m6!1m2!1i86!2i86!1m2!1i408!2i240!7m50!1m3!1e1!2b0!3e3!1m3!1e2!2b1!3e2!1m3!1e2!2b0!3e3!1m3!1e3!2b0!3e3!1m3!1e8!2b0!3e3!1m3!1e3!2b1!3e2!1m3!1e10!2b0!3e3!1m3!1e10!2b1!3e2!1m3!1e9!2b1!3e2!1m3!1e10!2b0!3e3!1m3!1e10!2b1!3e2!1m3!1e10!2b0!3e4!2b1!4b1!9b0!22m3!1s!2z!7e81!24m55!1m15!13m7!2b1!3b1!4b1!6i1!8b1!9b1!20b0!18m6!3b1!4b1!5b1!6b1!13b0!14b0!2b1!5m5!2b1!3b1!5b1!6b1!7b1!10m1!8e3!14m1!3b1!17b1!20m4!1e3!1e6!1e14!1e15!24b1!25b1!26b1!29b1!30m1!2b1!36b1!43b1!52b1!54m1!1b1!55b1!56m2!1b1!3b1!65m5!3m4!1m3!1m2!1i224!2i298!89b1!26m4!2m3!1i80!2i92!4i8!30m28!1m6!1m2!1i0!2i0!2m2!1i458!2i768!1m6!1m2!1i974!2i0!2m2!1i1024!2i768!1m6!1m2!1i0!2i0!2m2!1i1024!2i20!1m6!1m2!1i0!2i748!2m2!1i1024!2i768!34m16!2b1!3b1!4b1!6b1!8m4!1b1!3b1!4b1!6b1!9b1!12b1!14b1!20b1!23b1!25b1!26b1!37m1!1e81!42b1!46m1!1e9!47m0!49m1!3b1!50m53!1m49!2m7!1u3!4s!5e1!9s!10m2!3m1!1e1!2m7!1u2!4s!5e1!9s!10m2!2m1!1e1!2m7!1u16!4s!5e1!9s!10m2!16m1!1e1!2m7!1u16!4s!5e1!9s!10m2!16m1!1e2!3m11!1u16!2m4!1m2!16m1!1e1!2s!2m4!1m2!16m1!1e2!2s!3m1!1u2!3m1!1u3!4BIAE!2e2!3m1!3b1!59B!65m0!69i540"
end

#webscraping #serpapi #googlemaps #deobfuscation #reverse-engineering #ruby

Extract latitude, longitude and zoom from the ll parameter in Google Maps

PAGINATION_PARAMETERS_REGEX = %r{
  \A                                      # Start of string
  (?:\s*)                                 # initial possible whitespace
  @(?<latitude>[-+]?\d{1,2}(?:[.,]\d+)?)  # latitude: @10.78472
  (?:\s*,\s*)                             # separator between latitude and longitude
  (?<longitude>[-+]?\d{1,3}(?:[.,]\d+)?)  # longitude: @-110
  (?:\s*,\s*)                             # separator between longitude and zoom
  (?<zoom>\d{1,2}(?:[.,]\d+)?)z           # zoom: 9.22
  \z                                      # End of string
}x

#webscraping #serpapi #googlemaps #deobfuscation #reverse-engineering #ruby

Convert zoom and latitude to altitude

EARTH_RADIUS_IN_METERS = 6371010
TILE_SIZE = 256
SCREEN_PIXEL_HEIGHT = 768
RADIUS_X_PIXEL_HEIGHT = 27.3611 * EARTH_RADIUS_IN_METERS * SCREEN_PIXEL_HEIGHT

def altitude(zoom, latitude)
  (RADIUS_X_PIXEL_HEIGHT * Math.cos((latitude * Math::PI) / 180)) / ((2 ** zoom) * TILE_SIZE)
end

#webscraping #serpapi #googlemaps #deobfuscation #reverse-engineering #javascript

Convert altitude and latitude to zoom

const EARTH_RADIUS_IN_METERS = 6371010
const TILE_SIZE = 256
const SCREEN_PIXEL_HEIGHT = 768

var zoom = (altitude, latitude) => Math.log(1 / Math.tan(Math.PI / 180 * 13.1 / 2) * (SCREEN_PIXEL_HEIGHT / 2) * 2 * Math.PI / (TILE_SIZE * altitude / (EARTH_RADIUS_IN_METERS * Math.cos(Math.PI / 180 * latitude)))) / Math.LN2;

#ruby #webscraping #serpapi #googlemaps #deobfuscation #reverse-engineering

Testing generation of the next page URL for Google Maps

$ bundle exec rails runner 'puts Search.new(engine: :google_maps, q: "coffee", lat: 36.3996184, long: -113.9511419, alt: 2124931.1267513777, offset: 20, psi: "rZkJYJuoINHmrgTP1IVI").query_randomized' | xargs curl -s -k -x $HTTP_PROXY -A 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.122 Safari/537.46' - > f.txt

# "https://www.google.com/search?tbm=map&authuser=0&hl=en&gl=ua&pb=!4m8!1m3!1d2124931.1267513777!2d36.3996184!3d-113.9511419!3m2!1i1024!2i768!4f13.1!7i20!8i20!10b1!12m25!1m1!18b1!2m3!5m1!6e2!20e3!6m16!4b1!23b1!26i1!27i1!41i2!45b1!49b1!63m0!67b1!73m0!74i150000!75b1!89b1!105b1!109b1!110m0!10b1!16b1!19m4!2m3!1i360!2i120!4i8!20m65!2m2!1i203!2i100!3m2!2i4!5b1!6m6!1m2!1i86!2i86!1m2!1i408!2i240!7m50!1m3!1e1!2b0!3e3!1m3!1e2!2b1!3e2!1m3!1e2!2b0!3e3!1m3!1e3!2b0!3e3!1m3!1e8!2b0!3e3!1m3!1e3!2b1!3e2!1m3!1e10!2b0!3e3!1m3!1e10!2b1!3e2!1m3!1e9!2b1!3e2!1m3!1e10!2b0!3e3!1m3!1e10!2b1!3e2!1m3!1e10!2b0!3e4!2b1!4b1!9b0!22m3!1sgpYJYKSwMsH9rgT0_7nAAg!2zMWk6Mix0OjEyNjk2LGU6MSxwOmdwWUpZS1N3TXNIOXJnVDBfN25BQWc6MjM!7e81!24m55!1m15!13m7!2b1!3b1!4b1!6i1!8b1!9b1!20b0!18m6!3b1!4b1!5b1!6b1!13b0!14b0!2b1!5m5!2b1!3b1!5b1!6b1!7b1!10m1!8e3!14m1!3b1!17b1!20m4!1e3!1e6!1e14!1e15!24b1!25b1!26b1!29b1!30m1!2b1!36b1!43b1!52b1!54m1!1b1!55b1!56m2!1b1!3b1!65m5!3m4!1m3!1m2!1i224!2i298!89b1!26m4!2m3!1i80!2i92!4i8!30m28!1m6!1m2!1i0!2i0!2m2!1i458!2i768!1m6!1m2!1i974!2i0!2m2!1i1024!2i768!1m6!1m2!1i0!2i0!2m2!1i1024!2i20!1m6!1m2!1i0!2i748!2m2!1i1024!2i768!34m17!2b1!3b1!4b1!6b1!7b1!8m4!1b1!3b1!4b1!6b1!9b1!12b1!14b1!20b1!23b1!25b1!26b1!37m1!1e81!42b1!46m1!1e9!47m0!49m1!3b1!50m72!1m68!2m7!1u3!4sOpen+now!5e1!9s0ahUKEwizhPrmpK3uAhXBvosKHfR_DigQ_KkBCMgJKBY!10m2!3m1!1e1!2m7!1u2!4sTop+rated!5e1!9s0ahUKEwizhPrmpK3uAhXBvosKHfR_DigQ_KkBCMkJKBc!10m2!2m1!1e1!2m7!1u1!4sCheap!5e1!9s0ahUKEwizhPrmpK3uAhXBvosKHfR_DigQ_KkBCMoJKBg!10m2!1m1!1e1!2m7!1u1!4sUpscale!5e1!9s0ahUKEwizhPrmpK3uAhXBvosKHfR_DigQ_KkBCMsJKBk!10m2!1m1!1e2!2m7!1u16!4sVisited!5e1!9s0ahUKEwizhPrmpK3uAhXBvosKHfR_DigQ_KkBCMwJKBo!10m2!16m1!1e1!2m7!1u16!4sHaven%27t+visited!5e1!9s0ahUKEwizhPrmpK3uAhXBvosKHfR_DigQ_KkBCM0JKBs!10m2!16m1!1e2!3m11!1u16!2m4!1m2!16m1!1e1!2sVisited!2m4!1m2!16m1!1e2!2sHaven%27t+visited!3m1!1u2!3m2!1u1!3e0!3m1!1u3!4BIAE!2e2!3m1!3b1!59BQ2dBd0Fn!65m0!69i540&q=coffee&tch=1&ech=1&psi=rZkJYJuoINHmrgTP1IVI.1611241093531.1"

# Hit next page in browser, copy URL and curl it.

$ curl -s -k -x $HTTP_PROXY -A 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.122 Safari/537.46' 'https://www.google.com/search?tbm=map&authuser=0&hl=en&gl=ua&pb=!4m8!1m3!1d2124931.1267513777!2d-113.9511419!3d36.3996184!3m2!1i1024!2i768!4f13.1!7i20!8i20!10b1!12m25!1m1!18b1!2m3!5m1!6e2!20e3!6m16!4b1!23b1!26i1!27i1!41i2!45b1!49b1!63m0!67b1!73m0!74i150000!75b1!89b1!105b1!109b1!110m0!10b1!16b1!19m4!2m3!1i360!2i120!4i8!20m65!2m2!1i203!2i100!3m2!2i4!5b1!6m6!1m2!1i86!2i86!1m2!1i408!2i240!7m50!1m3!1e1!2b0!3e3!1m3!1e2!2b1!3e2!1m3!1e2!2b0!3e3!1m3!1e3!2b0!3e3!1m3!1e8!2b0!3e3!1m3!1e3!2b1!3e2!1m3!1e10!2b0!3e3!1m3!1e10!2b1!3e2!1m3!1e9!2b1!3e2!1m3!1e10!2b0!3e3!1m3!1e10!2b1!3e2!1m3!1e10!2b0!3e4!2b1!4b1!9b0!22m3!1srZkJYJuoINHmrgTP1IVI!2zMWk6Mix0OjEyNjk2LGU6MSxwOnJaa0pZSnVvSU5IbXJnVFAxSVZJOjIz!7e81!24m55!1m15!13m7!2b1!3b1!4b1!6i1!8b1!9b1!20b0!18m6!3b1!4b1!5b1!6b1!13b0!14b0!2b1!5m5!2b1!3b1!5b1!6b1!7b1!10m1!8e3!14m1!3b1!17b1!20m4!1e3!1e6!1e14!1e15!24b1!25b1!26b1!29b1!30m1!2b1!36b1!43b1!52b1!54m1!1b1!55b1!56m2!1b1!3b1!65m5!3m4!1m3!1m2!1i224!2i298!89b1!26m4!2m3!1i80!2i92!4i8!30m28!1m6!1m2!1i0!2i0!2m2!1i458!2i768!1m6!1m2!1i974!2i0!2m2!1i1024!2i768!1m6!1m2!1i0!2i0!2m2!1i1024!2i20!1m6!1m2!1i0!2i748!2m2!1i1024!2i768!34m17!2b1!3b1!4b1!6b1!7b1!8m4!1b1!3b1!4b1!6b1!9b1!12b1!14b1!20b1!23b1!25b1!26b1!37m1!1e81!42b1!46m1!1e9!47m0!49m1!3b1!50m72!1m68!2m7!1u3!4sOpen+now!5e1!9s0ahUKEwig-8Lpp63uAhVRs4sKHU9qAQkQ_KkBCN8KKBY!10m2!3m1!1e1!2m7!1u2!4sTop+rated!5e1!9s0ahUKEwig-8Lpp63uAhVRs4sKHU9qAQkQ_KkBCOAKKBc!10m2!2m1!1e1!2m7!1u1!4sCheap!5e1!9s0ahUKEwig-8Lpp63uAhVRs4sKHU9qAQkQ_KkBCOEKKBg!10m2!1m1!1e1!2m7!1u1!4sUpscale!5e1!9s0ahUKEwig-8Lpp63uAhVRs4sKHU9qAQkQ_KkBCOIKKBk!10m2!1m1!1e2!2m7!1u16!4sVisited!5e1!9s0ahUKEwig-8Lpp63uAhVRs4sKHU9qAQkQ_KkBCOMKKBo!10m2!16m1!1e1!2m7!1u16!4sHaven%27t+visited!5e1!9s0ahUKEwig-8Lpp63uAhVRs4sKHU9qAQkQ_KkBCOQKKBs!10m2!16m1!1e2!3m11!1u16!2m4!1m2!16m1!1e1!2sVisited!2m4!1m2!16m1!1e2!2sHaven%27t+visited!3m1!1u2!3m2!1u1!3e0!3m1!1u3!4BIAE!2e2!3m1!3b1!59BQ2dBd0Fn!65m0!69i540&q=coffee&tch=1&ech=1&psi=rZkJYJuoINHmrgTP1IVI.1611241905488.1' > correct.txt

# Compare f.txt and correct.txt in a text editor - they almost the same.

#ruby #webscraping #serpapi #googlemaps #deobfuscation #reverse-engineering

Pseudo-code to construct the URL for Google Maps pagination

if offset
  long ||= -73.91476977539236
  lat ||= 40.68525694561602
  alt ||= 120027.44487325678

  offset ||= 40

  psi ||= "b24JYPPGOoaJrwTXlbHACw"

  google_query = "#{query_scheme_and_domain}/search?tbm=map&authuser=0&hl=en&gl=ua&pb=!4m12!1m3!1d#{alt}!2d#{lat}!3d#{long}!2m3!1f0!2f0!3f0!3m2!1i1920!2i549!4f13.1!7i20!8i#{offset}!10b1!12m8!1m1!18b1!2m3!5m1!6e2!20e3!10b1!16b1!19m4!2m3!1i360!2i120!4i8!20m65!2m2!1i203!2i100!3m2!2i4!5b1!6m6!1m2!1i86!2i86!1m2!1i408!2i240!7m50!1m3!1e1!2b0!3e3!1m3!1e2!2b1!3e2!1m3!1e2!2b0!3e3!1m3!1e3!2b0!3e3!1m3!1e8!2b0!3e3!1m3!1e3!2b1!3e2!1m3!1e10!2b0!3e3!1m3!1e10!2b1!3e2!1m3!1e9!2b1!3e2!1m3!1e10!2b0!3e3!1m3!1e10!2b1!3e2!1m3!1e10!2b0!3e4!2b1!4b1!9b0!22m3!1s#{psi}!2s1i%3A2%2Ct%3A12696%2Ce%3A1%2Cp%3A#{psi}%3A1273!7e81!24m56!1m16!13m7!2b1!3b1!4b1!6i1!8b1!9b1!20b0!18m7!3b1!4b1!5b1!6b1!9b1!13b0!14b0!2b1!5m5!2b1!3b1!5b1!6b1!7b1!10m1!8e3!14m1!3b1!17b1!20m4!1e3!1e6!1e14!1e15!24b1!25b1!26b1!29b1!30m1!2b1!36b1!43b1!52b1!54m1!1b1!55b1!56m2!1b1!3b1!65m5!3m4!1m3!1m2!1i224!2i298!89b1!26m4!2m3!1i80!2i92!4i8!30m28!1m6!1m2!1i0!2i0!2m2!1i458!2i549!1m6!1m2!1i1870!2i0!2m2!1i1920!2i549!1m6!1m2!1i0!2i0!2m2!1i1920!2i20!1m6!1m2!1i0!2i529!2m2!1i1920!2i549!31b1!34m16!2b1!3b1!4b1!6b1!8m4!1b1!3b1!4b1!6b1!9b1!12b1!14b1!20b1!23b1!25b1!26b1!37m1!1e81!42b1!46m1!1e9!47m0!49m1!3b1!50m73!1m68!2m7!1u3!4sOpen+now!5e1!9s0ahUKEwiPrMCgia3uAhUjlYsKHanUBmYQ_KkBCNUJKBg!10m2!3m1!1e1!2m7!1u2!4sTop+rated!5e1!9s0ahUKEwiPrMCgia3uAhUjlYsKHanUBmYQ_KkBCNYJKBk!10m2!2m1!1e1!2m7!1u1!4sCheap!5e1!9s0ahUKEwiPrMCgia3uAhUjlYsKHanUBmYQ_KkBCNcJKBo!10m2!1m1!1e1!2m7!1u1!4sUpscale!5e1!9s0ahUKEwiPrMCgia3uAhUjlYsKHanUBmYQ_KkBCNgJKBs!10m2!1m1!1e2!2m7!1u16!4sVisited!5e1!9s0ahUKEwiPrMCgia3uAhUjlYsKHanUBmYQ_KkBCNkJKBw!10m2!16m1!1e1!2m7!1u16!4sHaven%27t+visited!5e1!9s0ahUKEwiPrMCgia3uAhUjlYsKHanUBmYQ_KkBCNoJKB0!10m2!16m1!1e2!3m1!1u3!3m1!1u2!3m2!1u1!3e1!3m11!1u16!2m4!1m2!16m1!1e1!2sVisited!2m4!1m2!16m1!1e2!2sHaven%27t+visited!4BIAE!2e2!3m2!1b1!3b1!59BQ2dBd0Fn!65m0!69i540&q=#{safe_query}&tch=1&ech=1&psi=#{psi}.1611230833287.1"
end

#ruby

bear eating

class Bear
  def eat(food)
    raise "#{food} is not edible!" unless food.respond_to? :nutrition_value
    food.nutrition_value
  end
end

#ruby

Separation of concerns

class Bear
  def hunt
    forest.select(&:food?)
  end
end

Pseudo-code to construct the URL for Google Maps pagination

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Pseudo-code to construct the URL for Google Maps pagination

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