View favs_controller
class FavsController < ApplicationController
before_action :set_fav, only: [:show, :edit, :update, :destroy]
# GET /favs
# GET /favs.json
def index
@favs = Fav.all
# GET /favs/1
View rails http status codes
HTTP status code symbols for Rails
Thanks to Cody Fauser for this list of HTTP responce codes and their Ruby on Rails symbol mappings.
Status Code Symbol
1xx Informational
100 :continue
101 :switching_protocols
102 :processing
View parse_pdfs.rb
require "pry"
require "mechanize"
require "pdf-reader"
URL = ""
agent =
agent.pluggable_parser.pdf = Mechanize::File # ... not sure whether to use Mechanize::Download or Mechanize::File
page = agent.get(URL)

Common Options

-#, --progress-bar Make curl display a simple progress bar instead of the more informational standard meter.

-b, --cookie <name=data> Supply cookie with request. If no =, then specifies the cookie file to use (see -c).

-c, --cookie-jar <file name> File to save response cookies to.

View .block
license: gpl-3.0
Color scheme picker using ColorBrewer scales

A color scheme picker based on Mike Bostock's visual reference to every ColorBrewer scale (colors by Cynthia Brewer). Not perfect, but just a first try.

Mike Bostock's color brewer scales are available in CSS and JS format.

Click on a palette to change the color scheme. The data is based on 2010 US Census blocks for Georgia aggregated into grid squares.


Command-line Computing

Use the command line to manipulate the local filesystem.


  1. Familiarize yourself with the command line.


# download to your desktop, then run with: bash ~/Desktop/
echo "Hello, $USER."
sleep 2
echo "The current time is: $(date)."
sleep 2
echo "You are running this script from within the following folder:"
sleep 2

Fork the Repo

Leverage an existing open source website to publish your own.

Note: your website content will be available to the public.


  1. Develop a familiarity with open source software, software version control, and website hosting.
  • Gain exposure to a basic website, noting its directory structure and observing HTML document structures and content.

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.

Screencapture GIF


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