DZone Snippets: ruby code

Deploying on a passenger / mod_rails host with capistrano

jerome () — Tue, 06 May 2008 05:25:13 GMT

// add this to deploy.rb



namespace :mod_rails do

  desc <<-DESC

  Restart the application altering tmp/restart.txt for mod_rails.

  DESC

  task :restart, :roles => :app do

    run "touch  #{release_path}/tmp/restart.txt"

  end

end



namespace :deploy do

  %w(start restart).each { |name| task name, :roles => :app do mod_rails.restart end }

end

Initial caps with ruby on rails

jerome () — Thu, 10 Jan 2008 12:41:22 GMT



class String

  # unicode_str.initial_caps => new_str

  # returns a copy of a string with initial capitals

  # "Jules-Édouard".initial_caps => "J.É."

  def initial_caps

    self.tr('-', ' ').split(' ').map { |word| word.chars.first.upcase.to_s + "." }.join

  end

end

A SEO-compliant slug for your titles

jerome () — Sat, 05 Jan 2008 10:03:43 GMT



# This instance method can handle any latin string



require 'unicode'



class String

  def to_slug

    str = Unicode.normalize_KD(self).gsub(/[^\x00-\x7F]/n,'')

    str = str.gsub(/\W+/, '-').gsub(/^-+/,'').gsub(/-+$/,'').downcase

  end

end