rbxbx

sudo gem install mysql -- --with-mysql-config=/usr/local/mysql/bin/mysql_config

rbxbx

Hanoi := method(n, start, end, extra, moveDisk,
  if(n == 1, moveDisk call(1, start, end),
    Hanoi(n - 1, start, extra, end)
    moveDisk call(n, start, end)
    Hanoi(n - 1, extra, end, start)
  )
)

printInstruction := block(n, start, end,
  writeln("Move disk ##{n} from #{start} to #{end}" interpolate)

rbxbx

# MothrFlickr, a small and light wrapper for talking to Flickr's API

require 'json'
require 'net/http'

module MothrFlickr
  #put your API Key in config/mothr_flickr.yml

  module Responsable
    def base_path

rbxbx

foos = Foo.where(:name.in => ['bar', 'baz']
  #<Mongoid::Criteria:0x1035c0928 @documents=[], @klass=Foo, @selector={:name=>{"$in"=>["bar", "baz"]}}, @options={}> 
foos
  #[foo1, foo2, foo3, foo4]
foos.slice!(0,3)
  #[foo1, foo2, foo3]
foos
  #[foo1, foo2, foo3, foo4]

rbxbx

# usage:
#     field_labeled('Select your address').should have_option("Home Address")
Spec::Matchers.define :have_option do |expected|
  def options_for(select_field)
    select_field.options.map(&:inner_text)
  end

  match do |select_field|
    raise "Field is not a SelectField" unless select_field.kind_of?(Webrat::SelectField)
    options_for(select_field).include?(expected)

rbxbx

def update_vimbundles
  Dir.glob("#{ENV['HOME']}/.vimbundles/*").each do |d| 
    next unless File.directory?(d)
    puts "updating #{d}"
    `cd #{d}; git pull --rebase; cd -`
  end 
end

rbxbx

# Łukasz Piestrzeniewicz wrote this patch

require 'rack/test' 
require 'rack/test/cookie_jar' 
Rack::Test::CookieJar.class_eval do 
  def merge(raw_cookies, uri = nil) 
    return unless raw_cookies 
    raw_cookies = raw_cookies.split("\n") if raw_cookies.is_a? String 
    raw_cookies.reject! {|raw_cookie| raw_cookie.blank?} 
    raw_cookies.each do |raw_cookie| 

rbxbx

require 'peach'

[1,2,3,4].peach{ |n| n + 1 } #Spawns 4 threads
[1,2,3,4].pmap{ |x| f(x) } #Spawns 4 threads, returns => [f(1),f(2),f(3),f(4)]
[1,2,3,4].pselect{ |x| x > 2 } #Spawns 4 threads, returns => [3,4]

rbxbx

# Pull the english out of your specs, for great porting

lines = []
File.read(ARGV.pop).each_line do |line|
  next unless line =~ /^\s*(context|it|describe)/
  line.gsub(/#{$1}.*('|")/,'').gsub(/('|")\s+do/,'')
  lines << line
end
puts lines.join

rbxbx

; Clojure port of the scheme example from http://matt.might.net/articles/implementing-a-programming-language/
; Doesn't quite work. *shrug*

(defn any-eql? [x coll]
  (filter #(= % x) coll))

(defn perform [func x]
  (evaluate (nnext (first func))
            (cons (list (fnext (first func)) (rest func)))))