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devdata/https_mojolicious.io_blog_2017_12_16_day-16-the-secret-life-of-sessions  view on Meta::CPAN

<pre><code>$ perl myapp.pl daemon
</code></pre>

<p>use the <code>hypnotoad</code> script</p>

<pre><code>$ hypnotoad myapp.pl
</code></pre>

<p>The application should again be available on port <code>3000</code>.</p>

<p>You&#39;ll see that rather than staying in the foreground like with <code>daemon</code> the command returns and you get your prompt back.
Don&#39;t worry, as long as it said that it started it should stay running.
To stop the application, run the same commmand but also pass a <code>-s</code> switch</p>

<pre><code>$ hypnotoad -s myapp.pl
</code></pre>

<p>The really interesting thing happens when restarting a running application.
Say you&#39;ve rolled your secrets and want to restart the application to use it.
Simply run the command as before, just like when you started it up.</p>

devdata/https_mojolicious.io_blog_2017_12_21_day-21-virtually-a-lumberjack  view on Meta::CPAN

action shortly so, in half of the wait time, we start a new file.
This should mean that the end and start of each file, the HMD is not moving
(much).</p>

<p>Then we need to start walking through this script by adding this before
starting the event loop in <em>main</em>:</p>

<pre><code>$self-&gt;loop-&gt;timer(0 =&gt; sub { $self-&gt;instruction_show });
</code></pre>

<p>Running this now prompts the user to move the HMD while outputting the packet
data in an image named after the movement that image represents!</p>

<h2>Get Your Head(er) Checked</h2>

<p>As mentioned, the PGM header is broken as it is supposed to contain the number
of rows and columns in the image, but this isn&#39;t known in advance.
We put an 8 character per value placeholder there and use this small shell
script to fix it up:</p>

<pre><code>#!/bin/sh