Ruby gist to count number of cars using pretrained model

detect_card_demo.rb

require 'uri'
require 'net/http'
require 'json'

appId = 'bee0b774-b81c-401a-ad0d-baf5d3eef886'
imageUrl = 'http://www.pngall.com/wp-content/uploads/2016/07/Car-Free-PNG-Image.png'

url = URI('http://app.nanonets.com/ObjectLocalize/?appId=' + appId + '&url=' + imageUrl)

http = Net::HTTP.new(url.host, url.port)

request = Net::HTTP::Post.new(url)

response = http.request(request)

if response.code == "200"
	responseJson = JSON.parse(response.body)
	if responseJson and responseJson["result"]
		puts "Number of cars detected: ", responseJson["result"].size
	end
end