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    <p>First off, that website is a horrible place to go.</p> <p>Now on to the question.</p> <p><strong>What sessions actually are:</strong></p> <ul> <li>Data is stored on the server side.</li> <li>A cookie is issued which contains an ID.</li> <li>This ID gets send back to the server on every request, due to the fact that the browser sends the cookies.</li> <li>Now the server can re-associate the ID in the cookie - commonly called <code>Session ID</code> or short <code>SID</code> - with the session data stored on the server.</li> </ul> <p><a href="http://expressjs.com/guide.html#session-support" rel="noreferrer">Express.js has support for sessions built in</a>.</p> <p><strong>What the example shows:</strong></p> <ul> <li>Setting up the Express.js middleware</li> <li>Using a third-party store for saving the session data, in this case <a href="http://en.wikipedia.org/wiki/Redis_%28data_store%29" rel="noreferrer">Redis</a> (which IMO is overkill for your problem atm)</li> </ul> <p>Installing Redis requires quite some work, but it's also possible to use Express.js's built-in memory store:</p> <pre><code>var express = require('express'); var app = express.createServer(); var MemoryStore = require('connect/middleware/session/memory'); app.use(express.bodyDecoder()); app.use(express.cookieDecoder()); app.use(express.session({ store: new MemoryStore({ reapInterval: 60000 * 10 }) })); app.get('/', function(req, res){ req.session.visitCount = req.session.visitCount ? req.session.visitCount + 1 : 1; res.send('You have visited this page ' + req.session.visitCount + ' times'); }); app.listen(4000); </code></pre> <p>This will simply keep track of how many times you visited the page, closed your browser and re-opend. The counts will still be there.</p> <p>You can find more on the options of the <code>MemoryStore</code>, like maximum life time of a session, etc. <a href="http://senchalabs.github.com/connect/middleware-session-memory.html" rel="noreferrer">here</a>.</p>
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    1. USPeter Mortensen
    1. USIvo Wetzel
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    1. COA lot of sites have session only cookies. Even gmail? The 'stay signed' check box is session only? Because I want the user to be logged out when the browser has closed. Because it can be accessed on shared pc and people can forget to press the logout button? I would like to create a 'stay signed in' checkbox? so have both type of sessions. Is this possible? Many thanks.
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    2. COP.S: your snippet is not session only cookie, because when you close cooke it will remember count instead setting count to zero again. But I think I know how to solve this problem.
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    3. CO@Ivo, the question was about session only cookie!
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      1. USUstaman Sangat
 

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