To install basic tools and nokogiri libraries sudo apt-get install git build-essential patch ruby-dev zlib1g-dev liblzma-dev sudo apt-get install -y libssl-dev libreadline-dev Uglifier required library sudo apt-get install nodejs Postgres required library sudo apt-get install libpq-dev Install and Setup Nginx…
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Nokogiri XML Attributes reading of some node
<rss> <channel> <item> <enclosure url=”http://www.leonardo-hotels.mobi/octopus/Upload/Images/Resorts/batyam%20deluxe%20livingroom%20255.jpg” length=”100″ type=”image/jpeg”/> </item> </channel> </rss> To access tag’s url attribute root.at_xpath(“rss/channel/item”).xpath(‘enclosure’).attribute(‘url’) def read_by_nokogiri(url) url, timeout = url.strip, 60 uri = URI.parse(URI.encode(url)) http = Net::HTTP.new(uri.host, uri.port) http.open_timeout, http.read_timeout = timeout, timeout http.request_get(uri.request_uri) do |response| root =…
Search subnode / subtree in nokogiri
Difference b/w node.xpath and node.at_xpath xpath: Used to search specific node’s subtree at_xpath: Don’t search for subtree of specific node
Tagged with: search subnode in nokogiri, search subtree in nokogiri
Posted in Nokogiri, Parser/Scrapper
Posted in Nokogiri, Parser/Scrapper
Nokogiri Xml Parsing
Q: How to parse Xml Document with Nokogiri? Answer: In model: 1) Put this line in your gem file. gem ‘nokogiri’ 2) Require these after installing nokogiri gem in you project. require ‘open-uri’ # required for this require ‘net/http’ #…
Tagged with: nokogiri xml parsing, scrapping xml document rails, xml importing to database rails
Posted in Nokogiri
Posted in Nokogiri
Nokogiri Html Parsing
Q: How to parse Html Document with Nokogiri? Answer: In model: 1) Put this line in your gem file. gem ‘nokogiri’ 2) Require these after installing nokogiri gem in you project. require ‘open-uri’ # required for this require ‘net/http’ #…
Tagged with: html scrapper, nokogiiri html parser, Nokogiri html parsing, parse html document in ruby on rails
Posted in Nokogiri, Parser/Scrapper
Posted in Nokogiri, Parser/Scrapper
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