jodell

# Core extension:
# Shortcut to a full file path
# ala: require File.pwd + '/some/other/file'
# Fixed naive, untested version per dradcliffe.  Thanks!

class File
  def self.pwd
    self.expand_path(self.dirname(caller.first.split(':').first))
  end

jodell

##
# Contribution to Rake::Task to allow for reseting the known invoked state.
# Sometimes you have a complicated Rake setup and looping constructs inside of
# an executing rake task make sense.
# - jodell 20090413
#

class Rake::Task
  attr_accessor :already_invoked

jodell

# Parsing Expression Grammar for basic boolean logic on a set of k -> { v1, v2, ... } elements.
# Amazing talk about Treetop and PEG's:  http://rubyconf2007.confreaks.com/d1t1p5_treetop.html
#
# lst = {
#   'foo' => [1, 2],
#   'bar' => [2, 3, 4],
#   'baz' => [5, 6]
# }
#
# require 'treetop'

jodell

  ##  
  # Given a key/value list of nodes and their children, this returns the reversed,
  # breadth-first search, the driving need of which is to find the build order of 
  # applying seed tables and their dependencies.  
  #
  # - jodell 20080530 
  #
  def reverse_bfs(list, nodes = []) 
    return nodes unless nodes.any? { |v| not list[v].nil? }
    return reverse_bfs(

jodell

# Bash BAH

# Simple enumeration
for i in $(seq 1 30); do convert ${i}.jpg -resize 90x90 ${i}_90x90.jpg; done

# find/sed/xargs example
# sed here trims all preceding /path/to/foo values (effectively same as basename)
find . -name "mef.*" | sed 's!.*/!!' | xargs -o -I file p4 integ file ~/p4/db/seed/CA/file

# better find/xargs example eliminating need for sed

jodell

#!/usr/bin/env bash
# Automatically apply security updates, resets to normal repo listings,
# and downloads packages ahead of time for manual upgrades.
# This is necessary if you're running Ubuntu (always unstable), have 
# custom repos that you might not want to auto-update from, etc.
# Cron'ing this script helps ward off auditors and cyber-ninjas alike.
# -jodell 20100115

# Assumes that you've partitioned security repo lines appropriately
sudo apt-get -o "Dir::Etc::SourceList=/etc/apt/security.list" -o "Dir::Etc::sourceparts=''" update

jodell

# VI MAGIC
# NOTE: Why am I using hash comments?

# Courtesy of bfeigin:
# "found this little nugget, great whenever you edit a root owned config file but forget to sudo before hand"
:w !sudo tee %

jodell

# Returns a random item from a hash of key => weight
# -jodell 20100321  
def select_weighted(hsh)
  # roll randomly on the sum of values
  roll = rand(hsh.values.inject(0) { |sum, v| sum += v })  
  index = 0 
  hsh.each do |k, v|
    index += v
    return k if index > roll
  end 

jodell

require 'fcntl'

# http://blog.footle.org/2008/08/21/checking-for-stdin-inruby/

@stdin = STDIN.read if STDIN.fcntl(Fcntl::F_GETFL, 0) == 0 

jodell

@interface spodViewController : UIViewController <UIAccelerometerDelegate, MFMailComposeViewControllerDelegate> {
  // Example of implementing more than one protocol
  // USE COMMAS!
}