def include_class?(obj_class)
      stack = []
    
...

def create_files
  files = []
  sizes = ['10K', '100K', '500K', '1M', '2M', '5M', '10M', '20M']
...

tl = Time.now.localtime
(0..356).each {|i| d =  (Date.new(tl.year, tl.month, tl.day) +i );
 printf("\n%03s\n\n", Date::ABBR_MONTHNAMES[d.month]) if d.day == 1;
...

for y in 0...height
  for x in 0...width
    # BGR => RGB & miror y
...

Clip.find_by_sql(["select * from clips where not exists
        (select 'clip_id' from histories where histories.clip_id = clips.id
        and histories.user_id = ?) ORDER BY clips.created_at DESC LIMIT 20", user.id])

101.times do |n|

  next if n == 0
...

def sort
    if params[:fact_id]
      @fact = Fact.find_by_id(params[:fact_id]) || Fact.new
...

q = "query1=apa&query2=apa2"
Hash[q.split("&").collect{|a| a.split("=")}.flatten]
=> {"query1"=>"apa", "query2"=>"apa2"}

# call-seq:
  #   StatisticsUtils.merge_sum(hash1, hash2, ...) -> merged_hash
  #
...

<%= f.select :something, 1.upto(10) do |i| i end %>

brew = "rdadadroxmocpronogomocdmqzx"
alphabet = "abcdefghijklmnopqrstuvwxyz"
word = ""
...

def factorial( n )
  if !(n.is_a? Integer)
    raise ArgumentError, "argument must be a positive integer"
...

res = []
      path_without_calculation.gsub(/\{(.*?)\}/) {|match|
        res << match[1.. match.size-2]
...

# Ruby Quiz 2 - Scalable LCD Monitor 
# Gerard (smeevil) de Brieder - Govannon - 2008-06-12

...

#!/usr/bin/env ruby

files = ARGV.collect { |fname| File.new(fname, 'w') }
...