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copied!<p>I'm reading this great tutorial right now and got to the same assignment some 30 minutes ago. <strong>Jeremy Roman</strong> answered exactly the question in this thread. Though he didn't provide a step-by-step answer, the thing that he mentioned, allowed me to figure out the answer.</p> <p>Now to be more specific... Considering what <strong>Jeremy</strong> mentioned about sessions being expired automatically after the browser is closed, unless there is a "Expires" attribute specified for the corresponding cookie, the solution is related to the following chunk of code:</p> <p><code>app/helpers/session_helper.rb:</code></p> <pre class="lang-rb prettyprint-override"><code>def sign_in(user) cookies.permanent.signed[:remember_token] = [user.id, user.salt] self.current_user = user end </code></pre> <p>As per the <a href="http://ruby.railstutorial.org/chapters/sign-in-sign-out#code%3asign_in_function" rel="nofollow">tutorial itself</a>, the <code>permanent</code> method above is setting the 'Expires' cookie attribute to <code>20.years.from_now</code>. So this means that your session will persist for 20 years, unless you log out explicitly or delete your cookie.</p> <p>So in order to expire your session when the browser is closed, you just need to create your cookie without any expiration date, which boils down to simply omitting <code>permanent</code>:</p> <p><code>app/helpers/session_helper.rb:</code></p> <pre class="lang-rb prettyprint-override"><code>def sign_in(user) cookies.signed[:remember_token] = [user.id, user.salt] self.current_user = user end </code></pre> <p>Though there may be other valid solutions, which are not obvious for me yet (after all I just started learning Rails), this one looks <em>very</em> simple - you don't even need to write anything - just delete <code>permanent</code> and there you go! :)</p>

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