citizen428

def zip_with(other, op=nil)
  return [] if self.empty? || other.empty?
  clipped = self[0..other.length-1]
  zipped = clipped.zip(other)
  if op
    zipped.map { |a, b| a.send(op, b) }
  else
    zipped.map { |a, b| yield(a,b) }
  end
end

citizen428

require 'date'
require 'rexml/document'

include REXML

doc = Document.new(File.new(ARGV[0]))
format = ARGV[1] || "apache"

formats = {
  :apache => "RewriteRule ^%s$ /%s [R=301,L]",

citizen428

require 'fileutils'
require 'date'
require 'yaml'
require 'rexml/document'

include REXML

doc = Document.new(File.new(ARGV[0]))

FileUtils.mkdir_p "_posts"

citizen428

• Lisping at JPL
• Practical Common Lisp
• Land of Lisp
• Learn You A Haskell
• Learn You Some Erlang
• Real World Haskell
• On Lisp
• Conway's Game Of Life in APL

citizen428

Help:

C-h t Tutorial
C-h m Help for active mode
C-h k Help for key sequence
C-h f Help for function
C-h v Help for variable
C-h a Search help
C-h i Info reader

citizen428

(ns step1)

(defn fact
  [n]
  (if (< n 2) 1 (* n (fact (dec n)))))

;; (fact 5) => 120

citizen428

(use '(incanter core charts io))

citizen428

;;; Ruby/Rails development
 
;; RVM support
;; Ruby Version Manager
(require 'rvm)
(rvm-use-default)
 
;; automatically add 'end' after class, module, def etc.
;; automatically pair braces, single and double quotes
(require 'ruby-electric)

citizen428

# Get the official Emacs repo:
git clone http://repo.or.cz/r/emacs.git/

# Get the fullscreen patch
git remote add typester git://github.com/typester/emacs.git
git fetch typester

# Create a patch and apply to HEAD
# I had merge conflicts when rebasing and 
# build failures for origin/emacs-23

citizen428

Quick Reference

Ruby and Rails

• Ruby
• Rails
• Rails3
• RSpec
• Ruby Toolbox
• Capistrano