[Noisebridge-announce] Rails class 9/30: Simple Web Scraping with Ruby: Using Nokogiri and SQLite3

[Sameer Siruguri]

BEGIN:VCALENDAR
VERSION:2.0
PRODID:icalendar-ruby
CALSCALE:GREGORIAN
METHOD:REQUEST
BEGIN:VEVENT
DTSTAMP:20140924T044519Z
UID:http://www.railsschool.org/l/web-scraping-with-ruby-nokogiri-sqlite3-se
 p-30
DTSTART:20140930T190000
DTEND:20140930T210000
CLASS:PUBLIC
CREATED:20140923T214429
DESCRIPTION:In this class\, we’ll learn how to use some Ruby gems to solve 
 a simple web scraping problem and store scraped data locally. Bring your ow
 n favorite web scraping problem to class\, and we’ll try to write as many s
 crapers as possible!
LAST-MODIFIED:20140923T214507
LOCATION:Noisebridge - 2169 Mission Street\, San Francisco\, California\, U
 nited States\, 94103
SUMMARY:Simple Web Scraping with Ruby: Using Nokogiri and SQLite3
URL:http://www.railsschool.org/l/web-scraping-with-ruby-nokogiri-sqlite3-se
 p-30
END:VEVENT
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Hi, Noisebridge! We added a new class at  7pm Pacific on September 30, 2014

Simple Web Scraping with Ruby: Using Nokogiri and SQLite3

In this class, we’ll learn how to use some Ruby gems to solve a simple web scraping problem and store scraped data locally. Bring your own favorite web scraping problem to class, and we’ll try to write as many scrapers as possible!

We will review some basic HTML and DOM concepts to understand how
browsers and other programs interpret an HTML page, to make it easy to
search for specific elements, and extract both the visible and the invisible text on a webpage.

We will us the following exercise to illustrate these concepts: look
at [the newest stories on Reddit](http://www.reddit.com/new/), and insert into a local database the following information about the top 10 of those stories - the author,
how many comments/points it has, its category, its title, and the date it was
posted.

We will assume you have a basic understanding of Ruby constructs, like lists, string manipulation and methods.

The material covered in the class is available online - feel free to email us at *team AT railsschool DOT org* beforehand if you have read these and have any questions about the material:

* What is HTML and the DOM: Parts [1: Understanding HTML](http://www.conversationalcoding.com/beginners-series/front-end/2014/08/26/html-basics/) and [2: Converting HTML to a DOM Tree](http://www.conversationalcoding.com/beginners-series/front-end/2014/08/27/parsing-the-html-to-a-dom/)
* [Basic SQL queries in SQLite (and Ruby)](http://www.conversationalcoding.com/beginners-series/back-end/2014/08/31/basics-of-sql/)

If there is a webpage you're dying to figure out how to scrape and download data off of, email us that ahead of time too and we'll try to build a parser customized for your needs.


RSVP here: http://www.railsschool.org/l/web-scraping-with-ruby-nokogiri-sqlite3-sep-30
May The Force Be With You!

Best regards,
Rails School, http://www.railsschool.org

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