Random Articles

• How to Decode TinyURLs with Ruby  def reverse_tinyurl(tinyurl)   require ‘open-uri’   require ‘net/http’   url = Net::HTTP.get_response(URI.parse(tinyurl)).to_hash['location'].to_s end This should also work for any url that is a known redirect whether it be a tinyurl.com, urltea.com, rubyurl.com, or what have you.
• Learning Ruby - Day 8  Day 8, What are regular expressions? If you don’t know about regular expression matching, or regex, it’s basically a language to find the useful needles in haystacks of text and code. Think ‘find and replace’ turned to 11. I do just enough regular expression matching to forget how it works. I always end up googling for
• Using Names in Rails Routes Instead of IDs I spent tonight cranking through some Ruby on Rails has_many :through association oddities and after pounding my head against the keyboard, I decided to shift gears and figure out Ruby On Rails Routes. By default, the Rails expects ID to be passed in URL strings. But that’s really lame, and passing words is much cooler so,
• Snippet: Copy MySQL Databases Over SSH I needed to copy a database and the idea of backing it up just to re-import1 seemed like double the work. Here’s a snippet to pipe a mysqldump into a remote database. Keep an eye on the user names and passwords - you’ll need 3 sets; one for the database your copying, one to get
• How To: Build a Wiki with Ruby on Rails - Part 1 Here’s how to build a very simple Ruby on Rails-based wiki engine 1. 1. Create the Rails App rails wiki and cd wiki to get inside the app. Remember: create your database (i.e. wiki_development) and update config/database.ymlappropriately 2. Generate the Scaffolding There are 3 nouns in this wiki system: People, Pages, Revisions. Let’s create the models for each of them. run script/generate