DZone Snippets: rails code

rake task for restart rails application runed on mod_rails

bublik (Voloshin Ruslan) — Tue, 27 May 2008 12:26:32 GMT



amespace :passenger do

  desc "Restart Application"

  task :restart do

    puts `touch tmp/restart.txt`

  end

end

create new rails rake task

bublik (Voloshin Ruslan) — Thu, 28 Feb 2008 15:02:33 GMT

Create new task for /unit/helpers/*_test.rb

Rakefile



namespace :test do

  Rake::TestTask.new(:helpers) do |t|

    t.libs << "test"

    t.pattern = 'test/unit/helper/*_test.rb'

    t.verbose = true

  end



  Rake::Task['test:helpers'].invoke

end

Customize error_messages_for

bublik (Voloshin Ruslan) — Mon, 29 Oct 2007 08:45:56 GMT

// description of your code here



 module ActionView::Helpers::ActiveRecordHelper

   def error_messages_for(object_name, options = {})

    options = options.symbolize_keys

    object = instance_variable_get("@#{object_name}")

    if object && !object.errors.empty?

      content_tag("div",

      content_tag(

      options[:header_tag] || "h2",

      "Возникло #{object.errors.count} ошибок при сохранении"

      ) +

      content_tag("p", "Проблеммы возникли для следующих полей:") +

      content_tag("dl", object.errors.full_messages.collect { |msg| content_tag("dt", msg) }),

      "id" => options[:id] || "errorExplanation", "class" => options[:class] || "errorExplanation"

      )

    else

      ""

    end

  end

 end

Pinging site

bublik (Voloshin Ruslan) — Tue, 26 Jun 2007 14:17:40 GMT

Вот простой пример как пропинговывать сайты при новых постах без включения допоплнительных плагинов и модулей



irb(main):032:0>

irb(main):033:0* server = XMLRPC::Client.new("blogsearch.google.com", "/ping/RPC2", 80)

=> #, @proxy_host=nil, @http_last_response=nil, @parser=nil, @timeout=30, @path="/ping/RPC2", @password=nil, @http_header_extra=nil, @use_ssl=false, @host="blogsearch.google.com", @user=nil, @proxy_port=nil, @auth=nil, @cookie=nil>

irb(main):034:0> server.call("weblogUpdates.extendedPing", 'Rubyclub.com.ua new on site','http://rubyclub.com.ua/', 'http://rubyclub.com.ua/messages/rss')

=> {"message"=>"Thanks for the ping.", "flerror"=>false}