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require 'priority_queue'
require 'set'

class Node
    def initialize(x, y)
        @x = x
        @y = y
        @obstacle = false
        @g_score = Float::INFINITY
    end

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require 'bundler'
Bundler.require

url = 'http://0.0.0.0:9000/images/avatar.png'

EM.run do
  http = EventMachine::HttpRequest.new(url).get
  http.stream  {|chunk| print [:chunk, chunk.size] }
  http.headers {|h| p [:headers, h] }

abdollar

#!/usr/bin/env ruby

# A simply utility to show character counts for each line of input and
# highlight lines longer than 80 characters.
#
# Written as an example for http://jstorimer.com/2011/12/12/writing-ruby-scripts-that-respect-pipelines.html
#
# Examples:
#
# $ hilong Gemfile

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# ruby getimage.rb -e production -c config/getimage.rb

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fib=->(n){_=5**0.5;(((1+_)**n-(1-_)**n)/(2**n*_)).to_i}

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# Square root calculation using Newton-Raphson
# from Practical Programming (1968)

a = 256

x = (1 + a) / 2.0

loop do
  ox = x
  x = (x + a.to_f / x) / 2.0

abdollar

# Convert ssh-rsa key to pem
ssh-keygen -f infile.pub -e -m PKCS8 > outfile.pem

# Encrypt a file using public key pem
openssl rsautl -encrypt -inkey public.pem -pubin -in file.txt -out file.ssl

# Decrypt using private key
openssl rsautl -decrypt -inkey private.pem -in file.ssl -out decrypted.txt