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require 'yaml'
class Hash
  def filter(*keys)
    self.inject({}) {|h,(k,v)| h[k] = v if keys.include?(k); h}
  end
end

test_hash = {'one' => 1, 'two' => 2, 'three' => 3}
puts test_hash.to_yaml

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# Power law (log tail) distribution
# Copyright(C) 2010 Salvatore Sanfilippo
# this code is under the public domain

# min and max are both inclusive
# n is the distribution power: the higher, the more biased
def powerlaw(min,max,n)
    max += 1
    pl = ((max**(n+1) - min**(n+1))*rand() + min**(n+1))**(1.0/(n+1))
    max-1-pl.to_i

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# Author: Pieter Noordhuis
# Description: Simple demo to showcase Redis PubSub with EventMachine
#
# Requirements:
# - rubygems: eventmachine, thin, cramp, sinatra, yajl-ruby
# - a browser with WebSocket support
#
# Usage:
# ruby redis_pubsub_demo.rb
#

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#include <math.h>
#include <stdio.h>
#include <stdlib.h>


double Normal(double);
double N(double, double, double, double, double);
double delta(double, double, double, double, double);
double delta2(double, double, double);
double ND2(double, double, double);

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votes CF 

"back in black" => { 201005211200 => '1', 201005201159 => '1', 201005201157 => '1',  201005011900 => '1', 201004190600 => '1' },
"black album"   => { 201005021800 => '1', 201005010600 => '1' },
"black star"    => { 201005011000 => '1' }

cached_counts CF

"back in black" => { 'cached_count' => 2, 'counted_until' => 201005011931 },
"black album"   => { 'cached_count' => 1, 'counted_until' => 201005010600 }

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/**
 * This file is licensed to you under the Apache License, Version 2.0 (the 
 * "License"); you may not use this file except in compliance with the 
 * License. You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

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package com.mypackage.benchmark

import com.mypackage.util.Logging
import net.lag.configgy.Configgy
import scala.collection.mutable
import scala.collection.JavaConversions._

import java.net.InetSocketAddress
import java.nio.charset.Charset
import java.util.concurrent._

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require 'rubygems'
require 'json'
require 'redis'

class RedisComments
    def initialize(redis,namespace,sort_proc=nil)
        @r = redis
        @namespace = namespace
        @sort_proc = sort_proc
    end

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import logging
import riak

log = logging.getLogger(__name__)

class RiakCounter(object):
    def __init__(self, bucket, key):
        self.bucket = bucket
        self.bucket.set_allow_multiples(True)
        self.key = key

codeslinger

(def migrations (sorted-map
                 ;; Migrations are numbered by integer values to explicitly document them

                 1 {
                    :doc "Foo Table"
                    :up  (fn []
                            (create-table
                             :Foo
                             [:id :int "PRIMARY KEY" "NOT NULL GENERATED ALWAYS AS IDENTITY"]
                                        ; store a JSON blob in here for the screening record