vincentchu

[false, true].each do |reseed_rand|

  puts "*" * 100
  puts "Force reseed of the random number generator? #{reseed_rand}"
  2.times {
    fork {
      srand if reseed_rand
      puts sprintf("   Process ID: %5d, child of %5d: 3 Randoms: %.5f, %.5f, %.5f", Process.pid, Process.ppid, rand, rand, rand)
    }  
  } 

vincentchu

require 'rubygems'
require 'redis'
require 'redis/distributed'

redis = Redis::Distributed.new(['redis://localhost:6379', 'redis://localhost:6380'])

(1..10_000).each do |i|
  
  key = "rand_#{rand}"
  val = rand(1000)

vincentchu

#!/usr/bin/ruby 


binwidth = ARGV[0].to_f
filename = ARGV[1]
rand_file_name = "rand_file-#{(rand*1000000).to_i}.data"

nums = File.open(filename, "r") {|f| f.readlines}.collect {|n| n.to_f }
binned_data = {}
nums.each do |n|

vincentchu

begin
  raise "THIS IS WEIRD?"
rescue ex
  puts "EX = #{ex.message}"
end

# => undefined local variable or method `ex' for main:Object (NameError)

vincentchu

                          (`·.               )\                                                                                   )`·.                                          )`·.           
                            )  `·.   .·´( .·´  (     (`·.                    )`·._.·´(        )`·.                   /(      .·´    (                              /(      .·´    (           
                    .·´( .·´:..::(,(::--  ' '\:·´       \::`·._)`·.     )\.·´::...  .::)   .·´   ./           )\      )  `·._):::.    )                    )\      )  `·._):::.    )         
                    );; :--  ' '             _\   .·´(   )::. ..:::).·´;· --  ´ ´\::.`·.(::...:('       )\ .·´ .:`·.(:;;  --  ' '\:. :(.·´)    )\      )\ .·´ .:`·.(:;;  --  ' '\:. :(.·´)    )\ 
                .·´/\                ,..:´:::'/   ):..\(;;::--  ´ ´               '\:::::::...::)   .·´  (,): --  ' '              \....:::`·.(  ( .·´  (,): --  ' '              \....:::`·.(  (
                )/:::'\...:/I       I::::::::/  '(::...:/\     

vincentchu

require 'rubygems'
require 'sinatra/base'
require 'eventmachine'
require 'logger'

$logger = Logger.new(File.join(File.dirname(__FILE__), "development.log"))

module TestEM
  def self.start
    if defined?(PhusionPassenger)

vincentchu

class Matrix
  
  IndexOverflow = Class.new(StandardError)
  
  attr_reader :dims, :nrows, :ncols
  
  def initialize(mm, nn)
    @dims  = [mm, nn]
    @nrows = mm
    @ncols = nn

vincentchu

# For multi-line blocks, use do. E.g.:

users.each do |user|
  user.name = "foo"
  user.save
end

# For single-line blocks, use {} 
users.each {|user| user.destroy }

vincentchu

>>> num = 5.0/3
>>> print "num = %.2f" % (num)
num = 1.67
>>> print "num = %.3f" % (num)
num = 1.667
>>> print "num = %6.3e" % (num)
num = 1.667e+00

vincentchu

>> Loofah::Helpers.strip_tags("<script>var foo;</script>")
=> "<script>var foo;</script>"