reddit_nokogiri.rb

require 'pry'

require 'nokogiri'
require 'rest-client'

endpoint_url = 'http://reddit.com'
response = RestClient.get(endpoint_url)
parsed_response = Nokogiri.parse(response)

titles = parsed_response.css('.content > .spacer > #siteTable > .thing > .entry > .title > a').map do |node|
  node.text
end