Narnach

module A
  def hi(*list)
    singleton = class << self; self; end
    list.each do |l|
      singleton.send(:define_method, l) do
        puts l
      end
    end
  end
end

Narnach

narnach@narnachbook ~/Development $ jruby speed.rb && ruby speed.rb
      user     system      total        real
define_method :one  0.107740   0.003617   0.111357 (  0.156973)
define_method :two  0.075185   0.001356   0.076541 (  0.098557)
def three           0.033372   0.000635   0.034007 (  0.042528)
      user     system      total        real
define_method :one  0.100000   0.000000   0.100000 (  0.130217)
define_method :two  0.100000   0.000000   0.100000 (  0.106536)
def three           0.050000   0.000000   0.050000 (  0.045840)

Narnach

# Ruby 1.8.6p111 (from source) vs ruby1.9.1-preview1_0 (macports) vs jruby (nicksieger's github version cc5d6648b27890c25aa50b3ebb8fb10d30b1df1f)

narnach@narnachbook ~/Development $ ruby speed.rb && ruby1.9 speed.rb && jruby speed.rb 
      user     system      total        real
define_method :one  0.970000   0.000000   0.970000 (  0.994811)
define_method :two  0.990000   0.010000   1.000000 (  1.000196)
def three            0.420000   0.000000   0.420000 (  0.434437)
      user     system      total        real
define_method :one  0.300000   0.000000   0.300000 (  0.298044)
define_method :two  0.290000   0.000000   0.290000 (  0.295531)

Narnach

#!/usr/bin/env ruby
require 'rubygems'
require 'active_support'

class John
end

j_c = John.class_eval do
  def hi
    'hi'

Narnach

#!/bin/sh
# Usage: s2b.sh branchname
# Easily switch between branches and their databases for Rails projects.
# Checks out given branch and copies the branch's database.yml to the active database.yml
# Outputs a small list of databases being used.
# Make sure you have set up your branch's database.yml in #{RAILS_ROOT}/config/database.#{branchname}.yml
git checkout $1 && cp config/database.$1.yml config/database.yml
databases=`grep --colour=auto database config/database.yml | grep -v ^# | sed s/database\:// | tr -d '\012' | sed -E s/^\ +\|\ +$// | sed -E s/\ +/,\ /g`
echo "Using databases: $databases"

Narnach

#!/usr/bin/env ruby
# Your random BOFH excuse calendar.
# Based upon the The Bastard Operator From Hell Stories written by Simon Paul Travaglia.
# And the list compiled by Jeff Ballard, http://jeffballard.us/
#
# Automatically downloads the excuses from http://pages.cs.wisc.edu/~ballard/bofh/excuses
# and stores them as ~/.excuses.txt for reuse.
require 'open-uri'

class Array

Narnach

  desc "precompile assets (only if needed)"
  task :precompile_assets do
    puts "Diffing assets to check if we need to precompile"
    precompile = true

    # Only do this if we have a previous release
    # Do a normal precompile on a force precompile
    if previous_release && latest_release && !ENV['FORCE_PRECOMPILE']
      puts "Comparing asset sources of #{previous_release} and #{latest_release}."

Narnach

#!/usr/bin/env ruby
# Based on https://gist.github.com/choonkeat/4277277
#
# Not sure what the deal was with all that SSL stuff in there, but it was the cause content fetching did not work.
# Replaced it with plain old open-uri and it just works.
require 'net/https'
require 'open-uri'
require 'nokogiri'
require 'json'