"\none\n two\n  three".scan(/^( *)\w+/).flatten #=> ["", " ", "  "]

# chip away at the bonuses play through amounts
    bet_through_credit_remaining = self.wager
    self.user.bonuses.ranked.each do |bonus|
...

user_id = xx
users = [....]

...

a = {}
a["test"] = [] if a["test"].nil?
a["test"] << 5

input = [9,9,9,9,9,9,9,9,9,9,9,9]
input.uniq == 9

...

a = ["a", "b", "c", "d"]
b = [1, 0, 0, 1]

...

def disease_search(query)
    treatment_results = Array.new
    symptom_results = Array.new
...

def disease_search(query)
    treatment_results = Array.new
    symptom_results = Array.new
...

<?php
...

# http://www.ruby-forum.com/topic/163649
class Array
...

openid_mapping = {
  :email => ["email", "http://axschema.org/contact/email"], 
  :name => ["fullname", "http://axschema.org/namePerson"]
...

<?php
    public function get_usd_value($date)
    {
...

class Array
    
  def count_by(&block)
...

def array_to_params(param_name, params)
  unless params.is_a?(Array)
    result = "&#{param_name}[0]=#{params}"
...

grouped = [] 
arr = [#<Foo id: 1, status_id: 2, profile_id: 3>,#<Foo id: 2, status_id: 2, profile_id: 3>,#<Foo id: 3, status_id: 1, profile_id: 3>]
arr_copy = arr
...

void freeArray(int **a, int m) {
    int i;
    for (i = 0; i < m; ++i) {
...

User has_many Students
Student has_one ReportCard
ReportCard has_many Metrics
...

y_max = 10

arr_data.each do |arr|
...

tmp = reply.case.users.map(&:email)
tmp.delete(reply.created_by.email)
tmp.join(',')
...

/**
 * Generates a multi-column table from an array 
 *
...

def self.all_leaves
    leaves = []
    Category.roots.each do |category|
...

class Array
  # does a kind of ZIP compression for integer arrays
  # examples:
...

procedure CopyIntoArray(var DestArray: Array of Byte; SourceArray: Array of Byte; StartIndex: integer);
var
  i: integer;
...

$(document).ready(function(){
	// get the text file to be parsed
	$.get('test-data.txt', function(textData){
...

# sum an an array's elements
def sum_row(a)
  sum = 0
...