jedschneider

#from http://github.com/dchelimsky/railsconf2010-app/blob/latest/features/step_definitions/swimlane_steps.rb

When /^I move "([^"]*)" to the "([^"]*)" swimlane$/ do |card_title, swimlane_name|
  visit cards_path
  #sweet hotness add @javascript tag to the feature
  if(@javascript)
    card_widget = page.driver.find(card_widget(card_title)).first
    swimlane_widget = page.driver.find(swimlane_widget(swimlane_name)).first
    card_widget.drag_to(swimlane_widget)
  else

jedschneider

; sums the number between 1 and 999 that are multiples of 3 or 5
(reduce + (filter #(= 0 (* (rem % 3) (rem % 5))) (take 999 (iterate inc 1))))

jedschneider

(1..999).map{|n| n if n%3==0 or n%5==0}.compact.reduce(:+)

jedschneider

public class untitled
  {public static void main (String[] args){
    int total = 0;
    for(int i=1; i<1000; i++){
      if(i%3==0 || i%5==0){
        total += i;
      }
    }
    System.out.println(total);
  }

jedschneider

(1..999).map{|n| n if [3,5].any?{|argument| n%argument==0}}.compact.reduce(:+)

jedschneider

; define a lazy loaded fib. sequence
(def fibs 
  (lazy-cat [0 1] (map + fibs (rest fibs))))

;add all the even numbers where the last element is less than 4M
(reduce + 
  (filter even? 
    (take-while #(< % 4000000) fibs)))

jedschneider

#parallel assignment FTW
sum,a,b = 0,0,1
sum += (b * (1-b%2)) while (a,b = b, a+b).last < 4_000_000
puts sum

jedschneider

puts "hello world"

jedschneider

## IRB

jruby-1.5.0 > import 'java.util.Random'
 => Java::JavaUtil::Random 
jruby-1.5.0 > Java::JavaUtil::Random.new
 => #<Java::JavaUtil::Random:0x57c501f7> 
jruby-1.5.0 > Java::JavaUtil::Random.new(45)
 => #<Java::JavaUtil::Random:0x2ffecaeb> 
jruby-1.5.0 > j =Java::JavaUtil::Random.new 
 => #<Java::JavaUtil::Random:0x4e62974e> 

jedschneider

# app.rb
require 'rubygems'
require 'bundler/setup'
Bundler.setup
require 'sinatra'
require 'net/ssh'

host = "myurl"
user = "me"
keys = ["my.key"]