pelle

Keybase proof

I hereby claim:

• I am pelle on github.
• I am pelle (https://keybase.io/pelle) on keybase.
• I have a public key whose fingerprint is 3810 F094 D2F8 9DDF 6468 2B72 CB8D 0835 0187 B1A9

To claim this, I am signing this object:

pelle

NoMethodError: You have a nil object when you didn't expect it!
You might have expected an instance of Array.
The error occurred while evaluating nil.-
/Library/Ruby/Gems/1.8/gems/activerecord-2.2.2/lib/active_record/connection_adapters/abstract_adapter.rb:159:in `decrement_open_transactions'
/Library/Ruby/Gems/1.8/gems/aslakhellesoy-cucumber-0.1.99.23/bin/../lib/cucumber/rails/world.rb:61:in `__instance_exec0'
/Library/Ruby/Gems/1.8/gems/rspec-1.2.0/lib/spec/matchers/extensions/instance_exec.rb:19:in `send'

pelle

require 'digest/sha1'
class Article < ActiveRecord::Base
  before_save :update_digest
  
  def full_text
    "#{title}\n\n#{body}"
  end

  protected

pelle

require 'digest/sha1'
require 'open-uri'

# Calculate the digest of content
def digest(content)
  Digest::SHA1.hexdigest(content)
end

# Gets the timecert timestamp for a given piece of content
def timecert(content)

pelle

#!/usr/bin/env python
import hashlib, urllib, time

def digest( content ):
  return hashlib.sha1( content ).hexdigest()

def timecert( content):
  url =  "http://timecert.org/%s.time"%digest(content)
  timestamp = urllib.urlopen( url ).read()
  return time.strptime(timestamp,"%a %b %d %H:%M:%S %Z %Y")

pelle

FUNGIBLE = [:coin, :coin, :coin, :coin]
INFUNGIBLE = [:coin, :cow, :wine, :kebab]
# Is each unit in the list of assets interchangeable?
def fungible?(assets)
  if assets.all?{ |unit| assets.all? {|other_unit| unit==other_unit }}
    puts "#{assets.inspect} is fungible"
  else
    puts "#{assets.inspect} is not fungible"
  end
end

pelle

int gold_coin;
int* dollar_bill;

gold_coin = 100;
dollar_bill = &gold_coin;

if (dollar_bill  == gold_coin )
  printf("Dollar bill has same intrinsic value as gold coin\n");
else
  printf("Dollar bill does not have same intrinsic value as gold coin\n");

pelle

contract EscrowContract {
  address buyer;
  address seller;
  address agent;

  // Each party has an entry here with the timestamp of their acceptance
  uint[3] acceptances;

  bool active;

pelle

contract Escrow {
  address buyer;
  address seller;
  address agent;

  function Escrow(address _agent, address _seller) {
    // In this simple example, the person sending money is the buyer and sets up the initial contract
    buyer = msg.sender;
    agent = _agent;
    seller = _seller;

pelle

(use '[datomic.api :only [q db] :as d])

(def uri "datomic:mem://accounts")

;; create database
(d/create-database uri)

;; connect to database
(def conn (d/connect uri))