bmarini

class Array
  # Converts [[k1,v1],[k2,v2]] into {k1 => v1, k2 => v2}
  # The opposite of Hash#to_a
  # Same as `Hash[ary.flatten]`
  def to_h
    inject({}) {|h,el| h[el[0]] = el[1]; h }
  end
end

bmarini

#/bin/bash
# Builds a gc patched ruby according to:
# http://guides.rubyonrails.org/benchmarking_and_profiling.html#_performance_test_cases

mkdir ${HOME}/rubygc
mkdir -p ${HOME}/src

# 1. Compile
echo "-- compiling ruby from source with gc patch --"
cd ${HOME}/src

bmarini

#!/bin/bash
# a quick and dirty backup script.
# if you have a websites folder and some databases to backup
# this script might be a good starting point.
# this script assumes you have user named admin.

BASE_DIR='/'
TARGET_DIR='sites'
BACKUP_TIME=`date +%Y%m%d%H%I%S`
BACKUP_FILENAME="${BACKUP_TIME}-${TARGET_DIR}"

bmarini

      === Epic Snow Leopard Upgrayyyyd Guide ===

More info here: http://www.gregbenedict.com/2009/08/29/fixing-ruby-gems-mysql-and-passenger-phusion-on-snow-leopard-10-6/

Son, you’re now living in the land of 64-bit systems.

That means that some of your 32-bit shit is now broken.

Not all is lost.

bmarini

Example for .bashrc:
export LSCOLORS="exfxcxdxbxegedabagacad"

a     black
b     red
c     green
d     brown
e     blue
f     magenta
g     cyan

bmarini

sudo atsutil databases -remove
atsutil server -shutdown
atsutil server -ping

bmarini

module AverageTimeOfDay
  require 'date'
  # Assumes times_of_day is an array of valid time strings in chronological
  # order.
  def average_time_of_day(times_of_day)
    # Convert times_of_day to an array of Time objects, ensuring that times
    # are in chronological order by adding a day if the the time of the
    # current iteration is earlier than the last iterated time.
    times = times_of_day.inject([]) do |times, time_of_day|
      dt    = DateTime.strptime(time_of_day, "%I:%M%p")

bmarini

# This is a skeleton for a daemon process that behaves well in
# a unix environment.

# Fork a child process and exit the parent
exit(0) if Process.fork

# Trap the signal sent by the kill command
trap("SIGTERM") { Syslog.warning("I died"); exit(0) }

# Establish this process as a new session and process group leader,

bmarini

module Rack
  # Renders a valid robots.txt according to http://www.robotstxt.org
  # This is an example of over-engineering. But it's simple example of
  # how you might test your middleware.
  class RobotsTxt
    def initialize(app)
      @app = app
    end

    def call(env)

bmarini

require 'set'

class ClosedCircuit
  Infinity = 1/0.0

  def initialize(input, source, dest)
    @graph  = GraphParser.parse(input)
    @source = source
    @dest   = dest
  end