rails 3 two lines install


    gem install i18n tzinfo builder memcache-client rack rack-test rack-mount erubis mail text-format thor bundler

gem install rails --pre
    2010-02-20T16:31:50Z
    
    211
    42
    false
    rails 3 two lines install 
    2010-02-20T16:31:50Z
    7


    $('a.popup').live('click', function(){
	newwindow=window.open($(this).attr('href'),'','height=200,width=150');
	if (window.focus) {newwindow.focus()}
	return false;
});
    2009-12-16T00:12:50Z
    
    210
    19
    false
    clean way to open a popup window
    2009-12-16T00:12:50Z
    7


    $('h1') // elementos h1
$('#meuID') // elementos com id "meuID"
$('.minhaClasse') // elementos definidos com a classe "minhaClasse"
$('[width]') // elementos que possuem o atributo width definido
$('[width=500]') // elementos que possuem o atributo width definido como 500
$('img[width=300]') // imagens que possuem largura = 300
$('img[src$=png]') // imagens com final png
$('a[href^=http://localhost]') // links que comecem com http://localhost
$('a[href$=pdf]') // links com final pdf
$('a[href*=www]') // links que contém www
$(':empty') // elementos vazio
$('div:empty') // elementos div vazios
$(':has(p)') // todos elementos que tenham um parágrafo
$('div:has(a)'); // elementos div que possuem link
$("p:contains('dinei')") // parágrafos que contém a palavra "dinei"
$("p:eq(0)") // seleciona o primeiro elemento p
    2009-11-25T22:45:07Z
    http://docs.jQuery.com/DOM/Traversing/Selectors
    207
    19
    false
    seletores do jquery
    2009-11-25T22:45:07Z
    7


    module ActionView 
  module Helpers 
    class InstanceTag 
      def to_label_tag_with_i18n(text = nil, options = {}) 
        text ||= object.class.human_attribute_name(method_name) if object.class.respond_to?(:human_attribute_name) 
 
        to_label_tag_without_i18n(text, options) 
      end 
 
      alias_method_chain :to_label_tag, :i18n 
    end 
  end 
end
    2009-11-22T19:42:31Z
    rails 2.3.4 doen't have i18n support in labels  
http://lawrencesong.net/2009/04/i18n-label-in-rails-monkey-patch/
    206
    39
    false
    i18n in labels
    2009-11-22T19:42:31Z
    7


    rake paperclip:refresh class=MyClass
    2009-10-26T14:50:39Z
    run this task
    205
    42
    false
    paperclip refresh all images
    2009-10-26T14:50:39Z
    7


    class MyModel < ActiveRecord::Base
  default_scope :order => 'created_at desc'
end
    2009-10-04T16:55:05Z
    
    204
    39
    false
    use default_scope to set up default find conditions such as order
    2009-10-04T16:55:05Z
    7


    class User < ActiveRecord::Base

  HUMANIZED_ATTRIBUTES = {
    :email => "E-mail address"
  }

  def self.human_attribute_name(attr)
    HUMANIZED_ATTRIBUTES[attr.to_sym] || super
  end

end
    2009-08-22T17:00:45Z
    
    202
    39
    false
    humanized attributes
    2009-08-22T17:00:45Z
    7


    function copyToClipBoard(id) {
    Copied = document.getElementById('id').innerText.createTextRange();
    Copied.execCommand("Copy");
}
    2009-08-22T15:59:21Z
    
    201
    19
    false
    copy to clipboard
    2009-08-22T15:59:21Z
    7


    <a href="#top" onclick="$('html, body').animate({scrollTop:0}, 'slow'); return false;">top</a>
    2009-08-22T15:57:58Z
    
    200
    16
    false
    back to top
    2009-08-22T15:57:58Z
    7


       function popup(url) {
        newWindow = window.open(url, 'name', 'height=400,width=335,scrollbars=yes');
        if (window.focus) { newWindow.focus() }
            return false;
    }

// <a href="link.html" onclick="popup('link.html');">Link</a>
    2009-08-22T15:40:47Z
    http://www.quirksmode.org/js/popup.html
    199
    19
    false
    unobstrusive popup
    2009-08-22T15:40:47Z
    7