fizx

#!/usr/bin/env ruby
# Packaged as a gem, too.
# gem install fizx-remind
system *ARGV
status = $?
system "growlnotify", "-m", "#{ARGV.first} is finished", "remind"
exit status.to_i

fizx

Who builds a house without drawing blueprints?

Leslie Lamport, Yammer, Jan 23 2013

Architects plan--programmers don't.  Maybe this is why programs crash and houses don't.

A blueprint for software is a spec.  Not a formal Coq-provable one, but real-world one.

Why don't programmers write specs?  
You can't code-gen from spec (retort--can't building-gen from blueprints)

fizx

#!/bin/sh

# clear old pipe and lock
rmdir worklock 2>/dev/null
rm work

if [[ ! -p work ]]; then
  mkfifo work
else
  dd if=work of=/dev/null

fizx

We couldn’t find that file to show.

fizx

package main

/**
 * This is a little too permissive (and hacked together), but it illustrates
 * the point of encoding a bufio.Scanner that is stateful, so that it can
 * parse the redis protocol.
 */

import (
	"bufio"

fizx

package main

func main() {
  buf := make([]int, 0)
	buf = append(buf, 0, 1, 2, 3)
	sub := buf[0:2] //hang on to a reference of the beginning of the vector
	for {
		for i := 0; i < 1000; i++ {
			buf = append(buf, i)
		}

fizx

package main

func main() {
	buf := make([]int, 0)
	for {
		for i := 0; i < 1000; i++ {
			buf = append(buf, i)
		}
		buf = buf[999:1000]
	}

fizx

require 'socket'

server = TCPServer.new ENV["PORT"]
loop do
  client = server.accept
  client.puts "Hello !"
  client.puts "Time is #{Time.now}"
  client.close
end

fizx

#!/usr/bin/env ruby
require "open-uri"
require "rubygems"
require "json"

unless ENV["ASANA_API_KEY"]
  puts "please set ASANA_API_KEY in the env"
  exit 1
end

fizx

module Kernel
  def eventually(timeout = 1.0, start = Time.now, exception = nil, &block)
    throw exception || Timeout::Error if Time.now > (start + timeout)
    begin
      return true if block.call
    rescue RSpec::Expectations::ExpectationNotMetError => exception
      EM.next_tick {
        eventually(timeout, start, exception, &block)
      }
    end