apeiros

pg.exec_params("CREATE TABLE foos (data bytea)")
para = Array.new(256).pack("C*") # => "\x00\x01\x02\x03\x04\x05…\xFE\xFF"
pg.exec_params("INSERT INTO foos ($1)", [para])
pg.exec_params("SELECT * FROM foos").to_a # => [{"data"=>"\\x"}]

apeiros

;(function($) {

  // Sends a (virtual) form with values.
  // Unlike an AJAX Post/Get, this actually makes the browser send the form and process the response. Which means that
  // the site is being changed (or a file will be downloaded)
  //
  // Example usage:
  //   $.submitForm('/my/resource', {'someFormParam': 'andItsValue'}, {'method': 'PUT'});
  //
  // Notes:

apeiros

require 'webrick'
include WEBrick
s = HTTPServer.new(
  :Port         => 9951,
  :DocumentRoot => File.expand_path(File.dirname(__FILE__)) 
)
s.config[:MimeTypes].update({
  "text"      => "text/plain",
})
trap("INT") { s.stop }

apeiros

class Unreachable < StandardError
end

module Kernel
  module_function def unreachable(msg="This place in the code should never have been reached")
    raise Unreachable, msg
  end
end

apeiros

module Jacob
  class Model
    class ColumnDsl
      # [snip]

      def integer(name, null: false, default: nil, size: nil, primary_key: false, auto_increment: false, unique: false)
        # [snip]
      end

      # [snip]

apeiros

### The stuff to encrypt
data = 'hello world!'
password = 'test123'

# Note: all 3 implementations are supposed to do exactly the same


### Raw OpenSSL
# Decisions, decisions, decisions...
cipher        = 'AES-256-CBC' # which ciphers are not trivially broken?

apeiros

require "openssl"
require 'digest/sha2'
require 'securerandom'

# Automatically upgradable encryption provider
module Encryption
  class InvalidData < StandardError
  end
  class InvalidPattern < InvalidData
    def initialize(version)

apeiros

def that_method(parameter)
  array_list = ['Thing', 'Another Thing']

  array_list.include? parameter
end

apeiros

#!/usr/bin/ruby -w
 
# grab the input, convert it, sum it, and spit out the answer
$stdin.each_line do |line|
  puts line.scan(/\d+/).map(&:to_i).reduce(:+)
end

apeiros

# encoding: utf-8

#p(/\xff/.encoding) # -> raises SyntaxError, "invalid multibyte escape: /\xff/"
p(/\xff/n.encoding)
#p(/\xff/u.encoding) # -> raises SyntaxError, "invalid multibyte escape: /\xff/"
p(/x/.encoding)
p(/x/n.encoding)
p(/x/u.encoding)