pachacamac

MAX_CAPACITY = 3

def show(m)
  puts "="*12,m.map{|l|' '<<l.map{|e|'*123456789'[e]}.join(' ')}.join("\n"),"="*12
end

def pop(map, x,y)
  m = map.map(&:dup)
  return m if x < 0 || y < 0 || x >= m[0].size || y >= m.size
  if m[y][x] == MAX_CAPACITY

pachacamac

#!/bin/bash
# install: copy this script to /opt/serious_questions.sh, "chmod +x" it and add the next line to /etc/rc.local
#          nohup /opt/serious_questions.sh > /dev/null &

questions=(
  'Are you doing something useful right now?'
  'Surfing Reddit like a mindless sheep?'
  'Real life ... are you participating?'
  'Maybe you should call someone?'
  'How about writing something?'

pachacamac

class Benchmark
  def initialize(opts={})
    @default_repetitions = opts[:default_repetitions] || 10
    @sum_total, @sum_average, @test_count, @tests = 0, 0, 0, {}
  end

  def test(repetitions=@default_repetitions, &block)
    @test_count += 1
    r, t0 = nil, Time.now
    repetitions.times{|i| r = yield}

pachacamac

#include <time.h>
#include <stdio.h>
#include <unistd.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/extensions/scrnsaver.h>

// compile: gcc idletime.c -o idletime -lX11 -lXext -lXss
// usage: idletime #shows idle time
// usage: idletime 5 m #waits for 5 minutes idle time

pachacamac

def rgb(r, g, b)16+(r.to_i*36)+(g.to_i*6)+b.to_i end
def colorize(s, fg, bg = nil) "#{fg ? "\x1b[38;5;#{fg}m" : ''}#{bg ? "\x1b[48;5;#{bg}m" : ''}#{s}\x1b[0m" end
def rainbow(n)f,w,o=5.0/n,3,3; (0...n).map{|i| rgb(Math.sin(f*i+0)*o+w, Math.sin(f*i+2)*o+w, Math.sin(f*i+4)*o+w)} end
def display(board, goal=2048)
  @palette ||= rainbow(Math.log2(goal))
  puts board.map{|r| r.map{|c| colorize((c==0 ? ?. : c).to_s.center(6), @palette[Math.log2(c+1)])}.join}.join("\n\n")
end

def compress(board, direction)
  t=->(a){z=0;a.reduce([]){|s,e| z+=e==s[-1]? (s[-1]+=e;1): e>0? (s<<e;0): 1;s}+Array.new(z,0)} # trivial case: 1D array to the left

pachacamac

#####################################################################################
#
#  Peer base
#
#####################################################################################

require 'socket'
require 'thread'
require 'ipaddr'
require 'json'

pachacamac

require 'webrick'
require 'cgi'

class Busker
  def initialize(opts={}, &block)
    @routes = {}
    (block.arity < 1 ? instance_eval(&block) : block.call(self)) if block_given?
    opts[:Port] ||= opts.delete(:port) || 8080
    opts[:DocumentRoot] ||= opts.delete(:document_root) || File.expand_path('./')
    @server = WEBrick::HTTPServer.new(opts)

pachacamac

require 'webrick'
require 'cgi'
require 'erb'

require 'em-websocket'

module EventMachine
  module WebSocket
    class Connection < EventMachine::Connection
      def remote_ip

pachacamac

Pump Hand Drill

http://www.thingiverse.com/thing:731086

Mecanum Wheels

http://www.thingiverse.com/thing:436751

pachacamac

puts 'Make sure to run this with sudo-rights!' unless Process::UID.eid == 0
parser =  begin
            require 'chronic'
            lambda{|s| Chronic.parse s}
          rescue LoadError
            STDERR.puts 'Warning: Gem "Chronic" not found. Using Time.parse instead!'
            require 'time'
            lambda{|s| Time.parse s}
          end