bushymark

# Original Post: http://pastie.textmate.org/143799
# Author Karmen Blake

#RUBYISMS

a = b.foo
if a.empty?
  a = b.bar
else
  a.reverse!

bushymark

stupid ruby tricks
Posted by Nick Quaranto

# Over the past few months of slinging Ruby here at Thoughtbot, I’ve picked up quite a 
# few stupid ruby tricks smart ruby techniques that really help out your code. 
# If you’ve got your own, feel free to leave a comment.

# Destructuring yielded arrays

def touch_down

bushymark

##### I need to be able to eager load the notes element on the lesson element. Figured the best way to do it was through an 
##### association. 

##############
# doesn't work . . . conditions on associations don't take lambda's
class Note < ActiveRecord::Base
  belongs_to :notable, :polymorphic => true
end

class Lesson < ActiveRecord::Base

bushymark

# Everything you need to do to get started with Rails 2.3.8
#
# As of June 14th, 2010 @ 2:30 p.m. MST
#
# This gist now features instructions to get Rails 3 up and running with:
# - Ruby 1.8.7-p174
# - Bundler 0.9.26
# - Cucumber 0.8.0
# - Rspec 1.3.0 + Rspec-Rails 1.3.2
# - RVM

bushymark

 → gem install memcache
Building native extensions.  This could take a while...
ERROR:  Error installing memcache:
	ERROR: Failed to build gem native extension.

/Users/bushymark/.rvm/rubies/ruby-1.9.2-p0/bin/ruby extconf.rb
Building libmemcached.
tar xzf libmemcached-0.38.tar.gz 2>&1
env CFLAGS='-fPIC' ./configure --prefix=/Users/bushymark/.rvm/gems/ruby-1.9.2-p0@rails3/gems/memcache-1.2.13/ext --without-memcached --disable-shared --disable-utils --disable-dependency-tracking  2>&1
checking build system type... x86_64-apple-darwin10.4.0

bushymark

namespace :discussions do
  resources :posts, :only => [:show, :create, :update, :destroy] do
    resources :replies, :only => :create              
    resources :flags, :only => [:create, :destroy]    
    resources :votes, :only => [:create, :destroy]    
    resources :favorites, :only => [:create, :destroy]
  end
end

# same result on flags, votes, favorites, or replies

bushymark

source :rubygems

# We are not loading Active Record, nor Active Resources etc.
# We can do this in any app by simply replacing the rails gem
# by the parts we want to use.
gem "actionpack", "~> 3.2"
gem "railties",   "~> 3.2"
gem "tzinfo"

# Let's use thin