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‎.gitignore

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.bundle
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db/*.sqlite3
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log/*.log
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tmp/
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.sass-cache/
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.idea

‎.rspec

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--colour

‎Gemfile

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source 'http://rubygems.org'
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gem 'rails', '3.1.1'
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gem 'mongoid'
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gem 'bson_ext'
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gem 'decent_exposure'
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gem 'eventmachine'
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gem 'em-http-request'
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gem "execjs"
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gem 'haml-rails'
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gem 'kaminari'
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gem "therubyracer"
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# Gems used only for assets and not required
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# in production environments by default.
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group :assets do
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gem 'sass-rails', '~> 3.1.4'
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gem 'coffee-rails', '~> 3.1.1'
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gem 'uglifier', '>= 1.0.3'
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end
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gem 'jquery-rails'
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# To use ActiveModel has_secure_password
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# gem 'bcrypt-ruby', '~> 3.0.0'
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# Use unicorn as the web server
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# gem 'unicorn'
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# Deploy with Capistrano
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# gem 'capistrano'
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# To use debugger
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# gem 'ruby-debug19', :require => 'ruby-debug'
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group :development, :test do
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gem 'rspec'
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gem 'rspec-rails'
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end
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group :test do
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# Pretty printed test output
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gem 'turn', :require => false
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end

‎Gemfile.lock

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GEM
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remote: http://rubygems.org/
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specs:
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actionmailer (3.1.1)
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actionpack (= 3.1.1)
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mail (~> 2.3.0)
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actionpack (3.1.1)
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activemodel (= 3.1.1)
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activesupport (= 3.1.1)
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builder (~> 3.0.0)
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erubis (~> 2.7.0)
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i18n (~> 0.6)
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rack (~> 1.3.2)
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rack-cache (~> 1.1)
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rack-mount (~> 0.8.2)
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rack-test (~> 0.6.1)
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sprockets (~> 2.0.2)
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activemodel (3.1.1)
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activesupport (= 3.1.1)
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builder (~> 3.0.0)
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i18n (~> 0.6)
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activerecord (3.1.1)
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activemodel (= 3.1.1)
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activesupport (= 3.1.1)
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arel (~> 2.2.1)
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tzinfo (~> 0.3.29)
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activeresource (3.1.1)
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activemodel (= 3.1.1)
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activesupport (= 3.1.1)
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activesupport (3.1.1)
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multi_json (~> 1.0)
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addressable (2.2.6)
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ansi (1.4.1)
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arel (2.2.1)
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bson (1.4.0)
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bson_ext (1.4.0)
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builder (3.0.0)
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coffee-rails (3.1.1)
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coffee-script (>= 2.2.0)
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railties (~> 3.1.0)
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coffee-script (2.2.0)
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coffee-script-source
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execjs
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coffee-script-source (1.1.3)
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decent_exposure (1.0.1)
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diff-lcs (1.1.3)
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em-http-request (0.3.0)
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addressable (>= 2.0.0)
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escape_utils
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eventmachine (>= 0.12.9)
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erubis (2.7.0)
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escape_utils (0.2.4)
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eventmachine (0.12.10)
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execjs (1.2.9)
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multi_json (~> 1.0)
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haml (3.1.3)
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haml-rails (0.3.4)
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actionpack (~> 3.0)
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activesupport (~> 3.0)
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haml (~> 3.0)
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railties (~> 3.0)
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hike (1.2.1)
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i18n (0.6.0)
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jquery-rails (1.0.18)
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railties (~> 3.0)
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thor (~> 0.14)
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json (1.6.1)
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kaminari (0.12.4)
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rails (>= 3.0.0)
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libv8 (3.3.10.4)
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mail (2.3.0)
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i18n (>= 0.4.0)
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mime-types (~> 1.16)
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treetop (~> 1.4.8)
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mime-types (1.17.2)
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mongo (1.4.0)
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bson (= 1.4.0)
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mongoid (2.3.3)
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activemodel (~> 3.1)
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mongo (~> 1.3)
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tzinfo (~> 0.3.22)
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multi_json (1.0.3)
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polyglot (0.3.3)
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rack (1.3.5)
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rack-cache (1.1)
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rack (>= 0.4)
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rack-mount (0.8.3)
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rack (>= 1.0.0)
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rack-ssl (1.3.2)
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rack
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rack-test (0.6.1)
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rack (>= 1.0)
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rails (3.1.1)
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actionmailer (= 3.1.1)
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actionpack (= 3.1.1)
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activerecord (= 3.1.1)
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activeresource (= 3.1.1)
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activesupport (= 3.1.1)
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bundler (~> 1.0)
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railties (= 3.1.1)
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railties (3.1.1)
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actionpack (= 3.1.1)
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activesupport (= 3.1.1)
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rack-ssl (~> 1.3.2)
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rake (>= 0.8.7)
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rdoc (~> 3.4)
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thor (~> 0.14.6)
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rake (0.9.2.2)
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rdoc (3.11)
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json (~> 1.4)
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rspec (2.7.0)
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rspec-core (~> 2.7.0)
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rspec-expectations (~> 2.7.0)
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rspec-mocks (~> 2.7.0)
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rspec-core (2.7.1)
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rspec-expectations (2.7.0)
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diff-lcs (~> 1.1.2)
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rspec-mocks (2.7.0)
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rspec-rails (2.7.0)
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actionpack (~> 3.0)
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activesupport (~> 3.0)
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railties (~> 3.0)
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rspec (~> 2.7.0)
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sass (3.1.10)
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sass-rails (3.1.5)
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actionpack (~> 3.1.0)
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railties (~> 3.1.0)
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sass (~> 3.1.10)
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tilt (~> 1.3.2)
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sprockets (2.0.3)
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hike (~> 1.2)
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rack (~> 1.0)
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tilt (~> 1.1, != 1.3.0)
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therubyracer (0.9.9)
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libv8 (~> 3.3.10)
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thor (0.14.6)
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tilt (1.3.3)
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treetop (1.4.10)
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polyglot
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polyglot (>= 0.3.1)
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turn (0.8.3)
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ansi
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tzinfo (0.3.31)
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uglifier (1.1.0)
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execjs (>= 0.3.0)
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multi_json (>= 1.0.2)
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PLATFORMS
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ruby
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DEPENDENCIES
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bson_ext
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coffee-rails (~> 3.1.1)
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decent_exposure
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em-http-request
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eventmachine
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execjs
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haml-rails
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jquery-rails
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kaminari
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mongoid
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rails (= 3.1.1)
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rspec
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rspec-rails
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sass-rails (~> 3.1.4)
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therubyracer
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turn
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uglifier (>= 1.0.3)

‎README

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== Twitter Geolocation Demo
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This application demonstrates streaming twitter statuses into a mongodb capped collection in order
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to view the top 50 tweets nearest a particular latitude/longitude coordinate.
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In order to start streaming the data, use:
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rake twitter:stream CREDENTIALS=twitter_username,twitter_password
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You must have set up your twitter account per the streaming API documents.
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To run tests, just run: rspec spec. It is not necessary to rake test:db:prepare.
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To use, enter Latitude and Longitude coordinates and click search. You can click on both map markers and
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screen name links to open a window showing the corresponding tweet on the map.

‎Rakefile

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#!/usr/bin/env rake
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# Add your own tasks in files placed in lib/tasks ending in .rake,
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# for example lib/tasks/capistrano.rake, and they will automatically be available to Rake.
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require File.expand_path('../config/application', __FILE__)
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GeolocationDemo::Application.load_tasks

‎app/assets/images/rails.png

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‎app/assets/javascripts/application.js

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// This is a manifest file that'll be compiled into including all the files listed below.
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// Add new JavaScript/Coffee code in separate files in this directory and they'll automatically
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// be included in the compiled file accessible from http://example.com/assets/application.js
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// It's not advisable to add code directly here, but if you do, it'll appear at the bottom of the
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// the compiled file.
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//
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//= require jquery
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//= require jquery_ujs
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//= require_tree .
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//=require map
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$(function() {
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var enable_search = function() {
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if ($("#coordinate_search_longitude").val() && $("#coordinate_search_latitude").val()) {
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$("#coordinate_search").removeAttr("disabled");
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} else {
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$("#coordinate_search").attr("disabled", "disabled");
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};
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};
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enable_search();
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$(".coordinate").keyup(function() {
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enable_search();
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});
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});

‎app/assets/javascripts/map.js

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$(document).ready(function() {
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if ($("#coordinate_search_longitude").val() && $("#coordinate_search_latitude").val()) {
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var long = $("#coordinate_search_longitude").val();
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var lat = $("#coordinate_search_latitude").val();
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// Creating a LatLng object containing the coordinate for the center of the map
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var latlng = new google.maps.LatLng(lat, long);
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// Creating an object literal containing the properties we want to pass to the map
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var options = {
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zoom: 3,
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center: latlng,
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mapTypeId: google.maps.MapTypeId.ROADMAP };
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var map = new google.maps.Map(document.getElementById('map_canvas'), options);
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var createInfo = function(screen_name, tweet) {
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return '<div class="infowindow"><strong>' + screen_name + ' </strong>' + tweet + '</div>';
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};
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var openInfoWindows = [];
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$("tr").each(function() {
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var row = $(this);
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var coords = eval(row.find(".location")[0].innerHTML);
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var link = row.find(".screen_name")[0]
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var screen_name = link.innerHTML;
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var tweet = row.find(".tweet")[0].innerHTML;
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// Add Marker
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var marker1 = new google.maps.Marker({
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position: new google.maps.LatLng(coords[0], coords[1])
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});
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marker1.setMap(map);
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// Add information window
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var infowindow1 = new google.maps.InfoWindow({
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content: createInfo(screen_name, tweet)
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});
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function showWindow() {
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while (openInfoWindows.length > 0) {
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openInfoWindows.pop().close();
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}
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infowindow1.open(map, marker1);
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openInfoWindows.push(infowindow1);
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}
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// Add listener for a click on the pin
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google.maps.event.addListener(marker1, 'click', function() {
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showWindow();
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});
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// Add listener for a click screen name
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$(link).click(function() {
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showWindow();
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});
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});
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}
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});

‎app/assets/stylesheets/application.css

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/*
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* This is a manifest file that'll automatically include all the stylesheets available in this directory
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* and any sub-directories. You're free to add application-wide styles to this file and they'll appear at
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* the top of the compiled file, but it's generally better to create a new file per style scope.
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*= require_self
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*= require_tree .
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*/

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