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# coding: utf-8
require 'sinatra'
set server: 'thin', connections: []

get '/' do
  halt erb(:login) unless params[:user]
  erb :chat, locals: { user: params[:user].gsub(/\W/, '') }
end

get '/stream', provides: 'text/event-stream' do

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#######################################################################
# Setup Paths

function prepend_to_path -d "Prepend the given dir to the PATH if it exists and is not already
included within the PATH"
  if test -d $argv[1]
    if not contains $argv[1] $PATH
      set -gx PATH "$argv[1]" $PATH
    end
  end

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# Some good references are:
# http://russbrooks.com/2010/11/25/install-postgresql-9-on-os-x
# http://www.paolocorti.net/2008/01/30/installing-postgis-on-ubuntu/
# http://postgis.refractions.net/documentation/manual-1.5/ch02.html#id2630392

#1. Install PostgreSQL postgis and postgres

brew install postgis
initdb /usr/local/var/postgres
pg_ctl -D /usr/local/var/postgres -l /usr/local/var/postgres/server.log start

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#!/usr/bin/env ruby
=begin

= Geographic Searches With Postgres's Earthdistance and Cube Extensions

This program shows how to easily create a Postgres database that uses the Cube
and Earthdistance extensions to perform fast queries on geographic data.

Briefly, the problem this code solves is "show me all places within 50
kilometers of New York City."

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# see https://github.com/thomasjbradley/signature-pad for more details

instructions = JSON.load(data).map { |h| "line #{h['mx']},#{h['my']} #{h['lx']},#{h['ly']}" } * ' '
system "convert -size 198x55 xc:transparent -stroke blue -draw '#{instructions}' signature.png"

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Setting up a new Machine in the most common way

Install XCode

These days, go to Apple's app store and get Xcode.

Install XCode Command Tools

Open Xcode

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http://production.cf.rubygems.org/gems/<name>-<version>-<platform>.gem
http://docs.rubygems.org/read/chapter/6#page20

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#!/usr/bin/env ruby
#
# Usage:
#   ruby validate_original_gem.rb /path/to/gem/gemname.rb

require 'openssl'
require 'digest/sha1'
require 'zlib'

module Verify

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#!/usr/bin/env sh

set -e

if ! which md5sum > /dev/null; then
  echo Install md5sum
  exit 1
fi

if ! which curl > /dev/null; then

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require 'erb'
namespace :db do
  namespace :generate do

    desc "Generate a config/database.conf"
    task :config do
      db_example  = Rails.root.join("config/database.yml.erb")
      print "What is your password for your local database? (leave empty for no password): "

      # get data