erichurst

require 'twitter'

Twitter::Search.new.geocode(39.037, -94.5874, '5mi').fetch().results
        #=> all tweets within 5 miles of lat/lon

Twitter::Search.geocode(39.037, -94.5874, '5mi').fetch().results.first
        #=> most recent tweet within 5 miles of lat/lon

Twitter::Search.new('dinner').geocode(39.037, -94.5874, '5mi').fetch().results
        #=> all tweets containing the word 'dinner' within 5 miles of lat/lon

erichurst

var Geo = navigator.geolocation, // {Object|null} a shortcut to the geolocation static class   
    options = {                  // {Object} options available to calls for position
        enableHighAccuracy: false, // {Boolean} Whether or not to use more resources to get a more accurate position
        maximumAge: 0,             // {Number|Infinity} The maximum number of milliseconds since the last check.
        timeout: null              // {Number|null} The maximum number of milliseconds to wait for a fix
    },
    watchId;                     // {Number} an ID to a watch timeout

// handles an error finding the user's position
function onError(error) {

erichurst

class Elder < ActiveRecord::Base
  def self.increment_distribution_count(user_id)
    self.find_by_user_id(user_id).increment!(:distribution_count)
  end
end

erichurst

class UsersController < ApplicationController
...
def create
    referral_id = User.find_valid_referral(params[:user][:referral])
    @user = User.new(params[:user].merge(:referral_id => referral_id))
    ...
  end
...
end

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def create
  referral = User.find_by_username(params[:user][:referral])
  @user = User.new(params[:user].merge(:referral_id => referral.id))
end

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class User < ActiveRecord::Base
...
  def self.find_valid_referral(username)
    user = User.find_by_username(username)
    if user.nil?
      nil
    else
      user.id
    end
  end

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def self.find_valid_referral(username)
  case 
  when username.blank? then EarlyAdopter.first(:group => "distribution_count ASC").user_id
  when !username.blank? && self.exists?(:username => username) then User.find_by_username(username).id
  else nil
  end
end

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def referrer_must_be_existing_user
  errors.add(:referral_id, "is not a valid user") if referral_id.blank?
end

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class User < ActiveRecord::Base
  validate_on_create :referrer_must_be_existing_user
...
  def self.find_valid_referral(username)
    case 
    when username.blank? then Elder.first(:group => "distribution_count ASC").user_id
    when !username.blank? && self.exists?(:username => username) then User.find_by_username(username).id
    else nil
    end
  end

erichurst

# mongo_template.rb
# fork of Ben Scofield's Rails MongoMapper Template (http://gist.github.com/181842)
#
# To use:
#  rails project_name -m http://gist.github.com/gists/219223.txt

# remove unneeded defaults
run "rm public/index.html"
run "rm public/images/rails.png"
run "rm public/javascripts/controls.js"