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== SubUser

=== Creating client object:

    client = SendGridWebApi::Client.new("user_name", "password")

    client.sub_user


== Modules

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require 'oauth'
require 'json'


module Yahoo
  CONSUMER_KEY    = "...."
  CONSUMER_SECRET = "...."

  class GeoLoc
    def initialize(consumer_key = CONSUMER_KEY, consumer_secret = CONSUMER_SECRET)

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require 'sendgrid_webapi'
require "fakeweb"
require 'vcr'

VCR.configure do |c|
  c.cassette_library_dir = 'spec/cassettes'
  c.hook_into :fakeweb
  c.configure_rspec_metadata!
end

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= SendGrid WEB API gem for Rails 3 

SendGrid WEB API gem allow you to retrieve information such as statistics, bounces, spam reports, unsubscribes, send email and other information.

== Rails 3 configuration

In your Gemfile:

    gem 'sendgrid_webapi'

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= SendGrid SMTP API gem for Rails 

SendGrid SMTP API gem provides ActionMailer::Base extensions to use SendGrid API features in you emails.
It extends ActionMailer with next methods:

    substitute(patters_string, array_of_substitunion_strings)
    uniq_args(hash_of_unique_args)
    category(category_string)
    open_tracking(enabled = true)
    add_filter_setting(filter_name, setting_name, value)

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#test_helper.rb
....code....
class ActionController::TestCase
  include Devise::TestHelpers
end
....code....

#test_integration_helper.rb

require File.expand_path("../../helper/test_helper", __FILE__)

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$ git verify-pack -v .git/objects/pack/pack-4d5c6dc98db773d7df9c01d5d645ff954bfa2e49.idx | sort -k 3 -n | tail -3

61cad2a1f34f09b77e127e0a7f0748917d7d5c78 blob   557568 555456 492171
d655b4e185c0e2853bf946121cb96a55bc95bd65 blob   2436608 2435171 143444913
3541fcf92467242889f0b5a574405650dc461341 blob   140146688 140186258 1644162


$ git rev-list --objects --all | grep 3541fcf92

3541fcf92467242889f0b5a574405650dc461341 pkg/youtube_it-1.2.7.gem

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   tmp_dir       = "#{RAILS_ROOT}/tmp/"
   original_file = "file.csv"
   #create temporary dir
   sh "mkdir #{tmp_dir}"

   # create a temporary file containing the header without
   # the content:
   sh "head -n 1 #{original_file} > #{tmp_dir}/header.csv"

   # create a temporary file containing the content without

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tip "Upgrading to Ruby 1.9 is simple: rvm install 1.9.2 && rvm --default 1.9.2"

tip "Ruby 1.9 supports named captures in regular expressions!"
  p "hello 2011!".match(/(?<year>\d+)/)[:year]  # => "2011"

tip "Ruby 1.9 uses Oniguruma as a new regex engine, and @pragprog has a fantastic (and free!) PDF on it: http://bit.ly/hIzvOi"

tip "Ruby 1.9 allows default arguments at the beginning of a method!"
  def f(a=1, b); p [a,b]; end;
  p f(2) # => [1, 2]

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#monkey patch for duplicates
module Enumerable
  def dups
    inject({}) {|h,v| h[v]=h[v].to_i+1; h}.reject{|k,v| v==1}.keys
  end
end

== Usage 

[1, 2, 3, 3].dups