DefV

u = User.find(params[:id])

u.activities.last # Does a find(:last)

# Add something to the activities
u.activities.create!({:description => "List activities"})

u.activities.last # Fetches all activities of the user - Painfull when a user has 30000 activities

DefV

require 'lingua/en/readability'
class Haiku
  def initialize(text) 
  @report = Lingua::EN::Readability.new(text)
  @used_words = Array.new
  end
  
  def get_most_used_words(words)
    top_words = Array.new
    words.sort{|a,b| a[1]<=>b[1]}.slice(words.length/2..words.length).each do |a|

DefV

class ApplicationController < ActionController::Base
  protect_from_forgery
  
  class << self
    def responder *responders
      if responders.any?
        responder_class = Class.new(ActionController::Responder)
        responders.each do |responder|
          responder = responder.is_a?(Module) ? responder : "#{responder.to_s.classify}Responder".constantize
          responder_class.send(:include, responder)

DefV

ruby-1.9.2-p180-patched :001 > (1..2).zip(1..2)
(irb):1: [BUG] Bus Error
ruby 1.9.2p180 (2011-02-18 revision 30909) [x86_64-darwin10.7.0]

-- control frame ----------
c:0027 p:---- s:0092 b:0092 l:000460 d:000460 CFUNC  :next
c:0026 p:---- s:0090 b:0090 l:000085 d:000089 IFUNC 
c:0025 p:---- s:0088 b:0088 l:000087 d:000087 CFUNC  :each
c:0024 p:---- s:0086 b:0086 l:000085 d:000085 CFUNC  :zip
c:0023 p:0014 s:0082 b:0082 l:001d18 d:000081 EVAL   (irb):1

DefV

[[MyClass alloc] initWithItem:self.item]

@implementation MyClass
- (void) speak
{
  NSLog(@"%@ costs %@", self.item.title, self.item.price);
}

// OR

DefV

$(document).on('click', 'a[href*="#"]', function(e) {
  var $anchor = $(this),
         hash = $anchor.attr('href'),
	  url = hash.substr(0, hash.indexOf('#')),
        $hash = $(hash.substr(hash.indexOf('#')));

  if(url.indexOf(document.location.pathname) >= 0 && $hash.length > 0)
	{
	  e.preventDefault();

DefV

class Artist < ActiveRecord::Base
  has_many :tracks
  accepts_nested_attributes_for :tracks
end

class Track < ActiveRecord::Base
  before_destroy :check_track
  
  def check_track
    return false if created_at > 1.week.ago

DefV

### Keybase proof

I hereby claim:

  * I am DefV on github.
  * I am defv (https://keybase.io/defv) on keybase.
  * I have a public key whose fingerprint is CF6C 837A FC61 A672 EB88  B14A 8C49 44CF C9C3 6768

To claim this, I am signing this object:

DefV

### Keybase proof

I hereby claim:

  * I am DefV on github.
  * I am defv (https://keybase.io/defv) on keybase.
  * I have a public key whose fingerprint is CF6C 837A FC61 A672 EB88  B14A 8C49 44CF C9C3 6768

To claim this, I am signing this object:

DefV

def icon_link_to(name, link, options = {})
  link_to link, options do
    content_tag(:span, name) + content_tag(:i, '', class: "fa fa-#{options[:icon]}"
  end
end