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    <p>I checked in the express source code and the <code>app.set</code> function simply assigns over top of any previous value it had. To get the behavior you're looking for you'll have to merge the <code>view options</code> object in subsequent calls. This means you'll probably have to jump through a couple of hoops. The connect package has a merge function that will work for this but to get it you'll have to include it in your <code>package.json</code>:</p> <pre><code>"dependencies": { "express": "2.5.5" , "jade": "&gt;= 0.0.1" , "connect": "1.X" } </code></pre> <p>You'll need to get the <code>utils</code> object from connect:</p> <pre><code>var utils = require('connect').utils; </code></pre> <p><code>app.set(option)</code> with no value returns the current setting for the option so the second time you set <code>view option</code> you could do it this way:</p> <pre><code>app.set('view options', utils.merge(app.set('view options'), { pretty: true })); </code></pre> <p>As for the problem you're having with the logger, remember that app.use is adding pieces of middleware to a stack. As a request is being processed it calls each piece of middleware in the order they are originally configured and sometimes if a piece of middleware is able to fulfill its duty it will not pass control to subsequent middleware in the stack.</p> <p>This is the case with the <code>router</code> middleware when it fulfills a request for the <code>'/'</code> url where <code>logger</code> is not subsequently run. The reason the request for <code>favicon.ico</code> shows up in the log stream is that none of the middleware was able to fulfill it (the <code>static</code> middleware would if you had a <code>public/favicon.ico</code> file) and processing falls through to the <code>logger</code> middleware.</p> <p>To make your example work you'll need to define the <code>logger</code> middleware earlier in your stack, before the <code>router</code> middleware.</p>
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    1. COThanks, I see what you mean about the middleware stack. Re-ordering solves the problem, it makes my app.js look awkward: before I had only a single `app.configure('development'` but now I'll have to have two or three sprinkled throughout, to get the ordering right...
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