aditya

abstract (1.0.0)
actionmailer (2.1.0, 2.0.2, 1.3.6, 1.3.3)
actionpack (2.1.0, 2.0.2, 1.13.6, 1.13.3)
actionwebservice (1.2.6, 1.2.3)
activerecord (2.1.0, 2.0.2, 1.15.6, 1.15.3)
activeresource (2.1.0)
activesupport (2.1.0, 2.0.2, 1.4.4, 1.4.2)
acts_as_cached (0.1.2)
acts_as_ferret (0.4.3, 0.4.1)
AdoccaMemcache (0.1.12)

aditya

Caching with Rails: An overview
===============================

Everyone caches. This guide will teach you what you need to know about 
avoiding that expensive round-trip to your database and returning what you 
need to return to those hungry web clients in the shortest time possible.

Specifically, this guide is split into two parts:

- Basic Caching

aditya

From 0df85097c8733cd650992ef4960cd4e010469bea Mon Sep 17 00:00:00 2001
From: Aditya Chadha <aditya@outside.in>
Date: Wed, 8 Oct 2008 15:35:17 -0400
Subject: [PATCH] Cleaned up the radar controller and addressable module a bit

---
 app/controllers/radar_controller.rb |    2 --
 app/models/addressable.rb           |   17 +++++++----------
 2 files changed, 7 insertions(+), 12 deletions(-)

aditya

irb(main):004:0> class Foo
irb(main):005:1> 
irb(main):006:1* protected
irb(main):007:1> def sanders_mom
irb(main):008:2> puts 'a'
irb(main):009:2> end
irb(main):010:1> end
=> nil
irb(main):011:0> Foo.new.sanders_mom
NoMethodError: protected method `sanders_mom' called for #<Foo:0x25b700>

aditya

    def self.chunk(klass, chunk_size, proc, conditions=nil, maximum=nil)
      maximum ||= klass.count(:conditions => conditions)

      chunkify(maximum, chunk_size) do |limit, offset|
        klass.find(:all,
                        :limit => limit,
                        :offset => offset,
                        :conditions => conditions).each {|obj| result = proc.call(obj); yield result if block_given?}
      end
    end

aditya

begin;
 
select count(*)
from actions
where item_type='Story'
    and item_published_at is not null;
 
select count(distinct(item_id))
from actions
where item_type='Story'

aditya

outside_in_development=# update actions a
outside_in_development-# set a.item_published_at = s1.published_at
outside_in_development-# from stories s1
outside_in_development-# where a.item_id = s1.id and a.item_type='Story'
outside_in_development-#     a.item_published_at is null
outside_in_development-#     s1.id in (select s2.id
outside_in_development(#               from stories s2
outside_in_development(#               where s2.id=a.item_id
outside_in_development(#               limit 100);
ERROR:  syntax error at or near "a"

aditya

config.load_paths += Dir["#{RAILS_ROOT}/vendor/gems/**"].map do |dir| 
  File.directory?(lib = "#{dir}/lib") ? lib : dir
end

aditya

>> class Foo
>> def bar=(a = nil, b = nil)
>> @bar = "#{a}#{b}"
>> end
>> end
=> nil
>> f = Foo.new
=> #<Foo:0x5f3390>
>> f.bar = 5,10
=> [5, 10]

aditya

##
# Host Database
#
# localhost is used to configure the loopback interface
# when the system is booting.  Do not change this entry.
##
127.0.0.1 groupped groupped.localhost
127.0.0.1 localhost subdomain1.localhost subdomain2.localhost www.localhost