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PORails - how do gems relate to doing 'bundle'
 

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  1. PORails - how do gems relate to doing 'bundle'
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    <p>I'm learning Ruby on Rails from <a href="http://ruby.railstutorial.org" rel="nofollow">Michael Hartl's website</a>. I have a Gemfile that looks like this: </p> <pre><code>source 'https://rubygems.org' ruby '2.0.0' #check and remove below if not relevant #ruby-gemset=railstutorial_rails_4_0 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails' gem 'rails', '4.0.1' group :development, :test do gem 'sqlite3', '1.3.8' gem 'rspec-rails', '2.13.1' end group :test do gem 'selenium-webdriver', '2.35.1' gem 'capybara', '2.1.0' end . . . group :doc do gem 'sdoc', '0.3.20', require: false end group :production do gem 'pg', '0.15.1' gem 'rails_12factor', '0.0.2' end # Use ActiveModel has_secure_password # gem 'bcrypt-ruby', '~&gt; 3.1.2' # Use unicorn as the app server # gem 'unicorn' # Use Capistrano for deployment # gem 'capistrano', group: :development # Use debugger # gem 'debugger', group: [:development, :test] </code></pre> <p>I have 2 questions:</p> <ol> <li><p>Why is this sequence of commands correct:</p> <p><code>$ bundle install --without production</code> <code>$ bundle update</code> <code>$ bundle install</code></p></li> </ol> <p>Shouldn't it first be <code>bundle update</code> then <code>bundle install --without production</code>. Why call <code>bundle install</code> twice? I think the second call is redundant.</p> <ol> <li><p>If I run <code>bundle install</code>and I see something like: </p> <p>Fetching gem metadata from <a href="https://rubygems.org/" rel="nofollow">https://rubygems.org/</a>......... Fetching gem metadata from <a href="https://rubygems.org/" rel="nofollow">https://rubygems.org/</a>.. Resolving dependencies... Using rake (10.1.0) Using i18n (0.6.5) </p></li> </ol> <p>Where actually are these stuff being downloaded saved? Where are they being installed? On my computer? I never got where they actually go or hide. Maybe in my applications folder? But where exactly?</p> <p>I would appreciate some help.</p> <p>PS: The editor is behaving strangely today. I can't seem to properly wrap code tags around my code.</p>
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