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

abdollar

# 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

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

abdollar

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

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

abdollar

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

require 'priority_queue'
require 'set'

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

abdollar

require 'fileutils'

start_time = Time.now


SOURCE_DB = {
  :name => 'db_name',
  :user => 'db_user',
  :password => 'db_pass',
  :host => 'localhost'

abdollar

" copy all this into a vim buffer, save it, then...
" source the file by typing :so %
" Now the vim buffer acts like a specialized application for mastering vim

" There are two queues, Study and Known.  Depending how confident you feel
" about the item you are currently learning, you can move it down several
" positions, all the way to the end of the Study queue, or to the Known
" queue.

" type ,, (that's comma comma)

abdollar

angular.module('myApp', 
  ['ngRoute', 'myApp.services', 'myApp.directives']
)
.config(function(AWSServiceProvider) {
  AWSServiceProvider.setArn('arn:aws:iam::<ACCOUNT_ID>:role/google-web-role');
})
.config(function(StripeServiceProvider) {
  StripeServiceProvider.setPublishableKey('pk_test_YOURKEY');
})
.config(function($routeProvider) {