peterhellberg

#!/usr/bin/env ruby
require 'rubygems'
require 'rb-fsevent'
cmd, *paths = ARGV

if cmd && paths.any?
  system cmd
  fsevent = FSEvent.new
  fsevent.watch(paths) { system cmd }
  fsevent.run

peterhellberg

data = {
  "section1.stuff"=>"as",
  "section1.stuff2" => "qw",
  "section2.stuff3" => "zx"
}

hash = Hash.new(&(p=lambda{|h,k|h[k]=Hash.new(&p)}))

data.each_with_object(hash) { |(k,v), h|
  eval "h['#{k.gsub('.',"']['")}']='#{v}'"

peterhellberg

package main

import (
  "io"
  "fmt"
  "time"
  "net/http"
  "encoding/json"
  "github.com/bmizerany/pat"
  "github.com/garyburd/redigo/redis"

peterhellberg

require 'open-uri'
require 'nokogiri'

module BarCampStockholm
  class << self

    def url
      'http://barcampstockholm.com/'
    end

peterhellberg

require 'open-uri'
require 'nokogiri'

module YCList
  class << self

    def url
      'http://yclist.com/'
    end

peterhellberg

#
# MIT License - (c) 2011 John Mettraux
#
# Slightly modified - 2013 Peter Hellberg
#

require 'parslet'

module MyJSON
  class Parser < Parslet::Parser

peterhellberg

Shoes.app do
  border     "#FF6600", strokewidth: 6
  background "#FF6600".."#CC0000"

  fill   rgb(255,102,0, 0.5)
  stroke rgb(255,102,0, 0.9)
  
  strokewidth 0.25

  ovals = 40.times.map do

peterhellberg

require 'open-uri'
require 'nokogiri'

url = 'http://www.riotminds.se/drakar-och-demoner/tiden-innan-trudvang/'
doc = Nokogiri::HTML(open(url))

doc.css('#content .column_left a').map do |a|
  title = a.css("img").first.attributes["title"]
  href  = a.attributes["href"].to_s
  cmd   = "curl -L #{href} -o \"/tmp/#{title}.pdf\""

peterhellberg

Expand rootfs (to use full SD card capacity)

fdisk /dev/mmcblk0
# Delete the second partition /dev/mmcblk0p2
d
2
# Create a new primary partition and use default sizes prompted. This will then create a partition that fills the disk
n
p

peterhellberg

require 'dino'

# Slightly nicer interface to the Arduino :)
module Dino
  class << self
    def board
      @board ||= Board.new TxRx.new
    end

    def method_missing(m, pin)