ktheory

# I want to turn this:
array = [1, 2, 3, 4, 5, 6, 7, 8, 9]

# into this:
=> [[1, 2, 3], [4, 5, 6], [7, 8, 9]]

def to_grid(ary)
  array = ary.dup
  row_length = Math.sqrt(array.size).to_i
  result = []

ktheory

# In attribute file:
my_gem_packages = [
  "nokigiri", # Only a gem name, without a version requirement or other options"
  ["bundler", "=1.0.0"], # A gem with a version requirement
  ["rails", "~>2.3.9", "--no-ri --no-rdoc --source http://rubygems.org"], # A gem with a version requirement and options"
  ["json", nil, "--source http://rubygems.org"] # Gem with options but no version requirement
]

# In recipe:

ktheory

#!/usr/bin/env ruby

require 'rubygems'
require 'mechanize'
require 'yaml'

config = YAML.load_file(File.expand_path("~/.simple-note-backup.yml"))
email = config['email']
password = config['password']

ktheory

# Bash tab-completion for homebrew (https://github.com/mxcl/homebrew)

###############
# Installation:

# mkdir ~/.bash_completion.d
# curl https://gist.github.com/raw/774554/brew_completer.sh > ~/.bash_completion.d/brew_completer.sh
# echo 'source ~/.bash_completion.d/brew_completer.sh' >> ~/.bashrc
# source ~/.bashrc

ktheory

Instrument Fog Requests in Rails

This code adds debug statements to the rails log for each fog reqests (similar to how active record shows SQL queries):

Fog AWS Compute Request (803.0ms)  [ {"Action"=>"DescribeInstances", ...} ]

The end of the request includes cumulative Fog info:

Completed 200 OK in 6043ms (Views: 2955.0ms | ActiveRecord: 319.9ms | Fog: 1642.6ms, 4 reqs)

ktheory

xml = %{
<doc>
  <key1>value1</key1>
  <key2>
Value with
line breaks
</key2>
</doc>
}

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#!/usr/bin/env ruby

require 'em-proxy'

Proxy.start(:host => "0.0.0.0", :port => 3000) do |conn|
  conn.server :fast, :host => '127.0.0.1', :port => 3001
  conn.server :slow, :host => '127.0.0.1', :port => 3002
  conn.on_data do |data|
    data
  end

ktheory

@posts.each do |post|
  post.body
else
  "No posts"
end

ktheory

# In your ~/.bashrc:
do_rake () {
  if [ -e Gemfile ]; then
    bundle exec rake $@
  else
    rake $@
  fi
}
alias rake='do_rake'

ktheory

def to_yaml( opts = {} )
  YAML::quick_emit( self, opts ) do |out|
    out.map( taguri, to_yaml_style ) do |map|
      map.add( 'id', self.id )
    end
  end
ende