rickhull

planet@qa-auth01-ny:~$ rvm info
ruby-1.8.7-p299:

  system:
    uname:        "Linux qa-auth01-ny 2.6.32-trunk-686 #1 SMP Sun Jan 10 06:32:16 UTC 2010 i686 GNU/Linux"
    shell:        "bash"
    version:      "4.1.5(1)-release"

  rvm:
    version:      "rvm 0.1.41 by Wayne E. Seguin (wayneeseguin@gmail.com) [http://rvm.beginrescueend.com/]"

rickhull

planet@qa-auth01-ny:~$ rvm update --head

rvm 0.1.41 by Wayne E. Seguin (wayneeseguin@gmail.com) [http://rvm.beginrescueend.com/]

remote: Counting objects: 96, done.
remote: Compressing objects: 100% (64/64), done.
remote: Total 67 (delta 46), reused 0 (delta 0)
Unpacking objects: 100% (67/67), done.
From http://github.com/wayneeseguin/rvm
 * branch            master     -> FETCH_HEAD

rickhull

rvm list

cat: /usr/local/rvm/lib/VERSION.yml: No such file or directory
mkdir: cannot create directory `/usr/local/rvm/archives': Permission denied
mkdir: cannot create directory `/usr/local/rvm/gems': Permission denied
mkdir: cannot create directory `/usr/local/rvm/tmp': Permission denied
mkdir: cannot create directory `/usr/local/rvm/repos': Permission denied

rvm rubies

rickhull

# how to define section(heading, &block) so it:
# prints out some "header" formatting, e.g. "\n<hr>#{heading}\n"
# and then indents ALL OUTPUT originating from its block 
#
# e.g.

section 'Nerf herding' do
  herd = []
  10.times { herd << rand(5) }
  puts herd.last

rickhull

module Foo
  def self.bar(str)
    str.reverse
  end

  def baz(str)
    # how can I call bar, above, aside from Foo.bar(str)?
  end
end

rickhull

class Foo
  def self.bar
    'Foo.bar'
  end
  class << self
    alias_method :rab, :bar
  end

  def baz
    'Foo#baz'

rickhull

# install file, edited from http://bit.ly/rvm-install-system-wide
#!/usr/bin/env bash

# Require root to install it.
if [[ "$(whoami)" != "root" ]]; then
  echo "Please rerun this installer as root." >&2
  exit 1
fi

# Check for the presence of git.

rickhull

# example of delegate pattern, using a car analogy
# e.g. the car delegates to engine
# .    ask the car to speed up, and the car will ask the engine to speed up
#
class Car
  def initialize(majors)
    @engine = Engine.new
  end

  def method_missing(meth, *args)

rickhull

module Delegator
  def self.extended(into)
    (class << into; self; end).send :attr_accessor, :delegates
    into.delegates = []

    into.send :define_method, :method_missing do |method, *args, &block|
      self.class.delegates.map{|delegate| send(delegate) }.each do |receiver|
        next unless receiver.respond_to?(method)
        return receiver.send(method, *args, &block)
      end

rickhull

# on 10.120.20.72

require 'webrick'

w = WEBrick::HTTPServer.new(:Port => 4341)
Signal.trap("INT") { w.shutdown }
w.start
# => [2010-08-23 16:46:02] INFO  WEBrick::HTTPServer#start: pid=18597 port=4341