mharris717

require 'rubygems'
require 'mharris_ext'
require 'mongo'

class OrderedHash
  def reject(&b)
    res = OrderedHash.new
    each { |k,v| res[k] = v unless yield(k,v) }
    res
  end

mharris717

class Mongo::Collection
  def sum_by_raw(ops)
    reduce_function = "function (obj, prev) { prev.count += (obj.#{ops[:sum_field]} ? obj.#{ops[:sum_field]} : 0); }"
    code = Mongo::Code.new(reduce_function)
    group([ops[:key]].flatten, ops[:filter]||{}, {"count" => 0},code)
  end
  def sum_by(ops)
    sum_by_raw(ops).inject({}) { |h,a| k = ops[:key]; h.merge(a[k] => a['count'])}
  end
end

mharris717

class Client < ActiveRecord::Base
  validates_presence_of :name, :zip, :address, :city, :phone_number

  # only change the humanized text for zip and name. The other attributes will still be humanized
  # just as they normally would.
  HUMANIZED_COLUMNS = {:zip => "Postal code", :name => "Company contact name"}

  def self.human_attribute_name(attribute)
    HUMANIZED_COLUMNS[attribute.to_sym] || super
  end

mharris717

#include <iostream>
using namespace std;

int leadingOnes(int num) {
    for(int i=0;i<8;i++) {
        if (num >= 128) {
            num = (num << 1) & 255;
        }
        else {
            return i;

mharris717

# Putting the method on Array, instead of Enumerable, because I don't want hashes to flatten.
# There are other "flattenable" structures aside from an Array, but I am ignoring that.
class Array
  
  # A structure is defined as "flattenable" if it responds to my_flatten
  def my_flatten
    res = []
    each do |obj|
      if obj.respond_to?(:my_flatten)
        res.concat(obj.my_flatten)

mharris717

# Lets you define relations between ActiveRecord and Mongo objects

module MongoRelations
  module InstanceMethods
    # get an object representing the MongoMapper equivalent of this object
    # for the purpose of access relations on the object
    fattr(:mongo_obj) do
      res = klass.mongo_class.new
      my_id = id
      res.class_eval do

mharris717

# gem install nokogiri before running for first time

require 'nokogiri'
require 'open-uri'

def sportsbook_line
  doc = Nokogiri::XML(open("http://americasline.com/"))
  doc.css("#chalk tr[3] td[5]").text
end

mharris717

task :copy_to_subdirs do
  ### CHANGE THESE TWO VARIABLES
  ### USE FORWARD SLASHES IN THE DIRECTORY NAMES
  directory_with_files_to_copy = "c:/code/test_dir9"
  dir_containing_subdirs = "c:/code/test_dir9/some_dir"
  
  source_files = Dir["#{directory_with_files_to_copy}/*"].select { |x| FileTest.file?(x) }
  subdirs = Dir["#{dir_containing_subdirs}/*"].select { |x| FileTest.directory?(x) }
  

mharris717

require 'zip/zipfilesystem'
require 'net/ftp'
require 'csv'

def files_in_zip(filename)
  Zip::ZipFile.open(filename) do |zip|
    res = []
    dirs = [""]
    while dirs.size > 0
      d = dirs.pop

mharris717

def timelist
  times = contents_by_selector("SBR.htm",".eventLine-time")
    times.collect! { |x| [x,x] }
    times.flatten!
    return times
end
 
def timelist
  times = contents_by_selector("SBR.htm",".eventLine-time")
    times.collect! { |x| [x,x] }