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=Navigating=
    visit('/projects')
    visit(post_comments_path(post))

=Clicking links and buttons=
    click_link('id-of-link')
    click_link('Link Text')
    click_button('Save')
    click('Link Text') # Click either a link or a button
    click('Button Value')

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init

mkdir proj
cd proj
git init

config

git config user.name 'username'

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#!/usr/bin/env PeanutButterJellyTime
# -----------------------------------------------------------------------------
# keyword => C equiv            (description)
# -----------------------------------------------------------------------------
# peanut  => ++*ptr             (increase value of cell)
# PEANUT  => ++ptr              (move to next cell)
# butter  => --*ptr             (decrease value of cell)
# BUTTER  => --ptr              (move to previous cell)
# jelly   => putchar(*ptr)      (print character value of cell)
# JELLY   => *ptr=getchar()     (store numeric value of char input in cell)

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.DS_Store
tmp/

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Ruby 2.0.0 in detail

Keyword arguments

def wrap(string, before: "<", after: ">")
  "#{before}#{string}#{after}" # no need to retrieve options from a hash
end

# optional

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OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

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N.B. to run his examples in emacs, you'll want these aliases:

(defalias 'plus #'+)
(defalias 'quotient #'/)
(defalias 'times #'*)
(defalias 'difference #'-)

Lisp: Atoms and Lists

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# Poor Man's Fiber (API compatible Thread based Fiber implementation for Ruby 1.8)
# (c) 2008 Aman Gupta (tmm1)

unless defined? Fiber
  require 'thread'

  class FiberError < StandardError; end

  class Fiber
    def initialize

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def future # :block:
  thread = Thread.new do
    Thread.current.abort_on_exception = false
    yield
  end
  
  lambda { thread.value }
end

def compose(proc) # :block:

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####
# It must output this:
#
#  hello one two
#  world one two
#
class Filter
  def initialize name
    @name = name
  end