Oshuma

# example of using rush to access files on multiple servers (as one collection)
nginx_confs = %w(www1 www2 www3).map { |n| Rush::Box.new(n)['/etc/nginx/nginx.conf'] }
nginx_confs.search(/access_log/)

Oshuma

%0 Journal Article
%T Spectacular Giant Magnetoresistance Effects in the Polycrystalline Perovskite Pr0. 7Sr0. 05Ca0. 25MnO3-d
%A Raveau, B
%A Maignan, A
%A Caignaert, V
%J Journal of Solid State Chemistry
%V 117
%N 2
%P 424-426
%D 1995

Oshuma

# app/helpers/application_helper.rb

# Sets the page title and outputs a container if passed in.
# ex. <%= title('Some Page', :h2) %> will return the following:
# <h2>Some Page</h2> as well as setting the page title.
def title(name, container = nil)
  @page_title = name
  content_tag(container, name) if container
end

Oshuma

h1. Things I Always Do

* Initialize git repository
* Move config/database.yml to config/database.yml.example
* rm -f log/*.log
* <code>find . \( -type d -empty \) -and \( -not -regex ./\.git.* \) -exec touch {}/.gitignore \;</code>
* git add . && git commit -m 'Initial commit.'
* Add top-level .gitignore
* Write AppConfig
* Install restful_authentication.

Oshuma

<% form_tag session_path, :class => 'some_class' do %>
  <%= text_field_tag :openid_url, params[:openid_url] || params['openid.identity'], :class => 'another_class' %>
  <%= submit_tag 'Use OpenID', :class => 'button grey' %>
<% end %>

Oshuma

# Just in case you can't make up your mind.
# Provide a string of choices separated by 'or'.
#
# p = Picker.new('tits or gtfo or OMFG')
# p.choice  # => 'tits'
# p.choice  # => 'OMFG'
#
#
# The second argument can be a separator:
#

Oshuma

# Passenger (mod_rails) Apache2 config.
<VirtualHost 1.2.3.4:80>
   ServerAdmin admin@example.com
   ServerName www.example.com
   DocumentRoot /path/to/rails_root/public
</VirtualHost>

Oshuma

# Coin.flip  # => 'heads' or 'tails'
class Coin
  def self.flip
    %w{heads tails}.sort_by {rand}.first
  end
end

Oshuma

Flush DNS Cache

OSX (10.5)
----------
dscacheutil -flushcache

Windows
-------
C:\>ipconfig /flushdns

Oshuma

# tree = Node.new
# tree.branch.leaf.value = 'Hello World!'
class Node < Hash
  attr_accessor :value

  def method_missing(key)
    self[key]==nil ? self[key]=Node.new : self[key]
  end
end