joannecheng

public class Ackermann {
  public static int ack(int m, int n){
    if (m == 0){
      return n + 1;
    }

    if (n == 0){
      return ack(m - 1, 1);
    }

joannecheng

require 'rubygems'
require 'mongo'

@conn = Mongo::Connection.new
@db = @conn['trails']
@collection = @db['bikeways']

puts @collection.find('properties.FCODE' => 203001).to_a

# BOOM 

joannecheng

# I have no idea what I'm doing.
require 'java'
Dir["sigar/*.jar"].each { |jar| require jar }

# import sigar class
# Must be java 1.7
import_sigar = org.hyperic.sigar
sigar = import_sigar.Sigar.new
shell = import_sigar.cmd.Shell.new

joannecheng

# For one, it's just nicer to look at. 
# No more excessive brackets and semi colons

## js
function foo(bar){
    if (bar == 0){
        return "zero!";
    } else {
        return "Not zero!";
    }