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<channel>
	<title>Carl Pelletier blog &#187; rails</title>
	<atom:link href="http://carlpelletier.ca/tag/rails/feed/" rel="self" type="application/rss+xml" />
	<link>http://carlpelletier.ca</link>
	<description>Une immertion dans mon esprit, un peu de tout et moins que rien...</description>
	<lastBuildDate>Fri, 20 Nov 2009 19:55:56 +0000</lastBuildDate>
	<language>en</language>
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		<item>
		<title>Ajouter ruby et rails doc dans spotlight et dictionary</title>
		<link>http://carlpelletier.ca/2009/02/09/ajouter-ruby-et-rails-doc-dans-spotlight-et-dictionary/</link>
		<comments>http://carlpelletier.ca/2009/02/09/ajouter-ruby-et-rails-doc-dans-spotlight-et-dictionary/#comments</comments>
		<pubDate>Mon, 09 Feb 2009 18:03:56 +0000</pubDate>
		<dc:creator>carlpelletier</dc:creator>
				<category><![CDATA[ruby]]></category>
		<category><![CDATA[Apple]]></category>
		<category><![CDATA[osx]]></category>
		<category><![CDATA[rails]]></category>

		<guid isPermaLink="false">http://carlpelletier.wordpress.com/?p=66</guid>
		<description><![CDATA[Vous avez besoin de la documentation de ruby ou rails accessible directement de OSX? Rien de plus simple, il suffit de les intégrer à Dictionary.app sur OSX. Il seront par la suite disponible directement dans spotlight! C&#8217;est vraiment trop pratique et très rapide! Comment faire? Télécharger les deux fichiers suivants: ruby dictionary et rails dictionary [...]]]></description>
			<content:encoded><![CDATA[<p>Vous avez besoin de la documentation de ruby ou rails accessible directement de OSX?</p>

<p>Rien de plus simple, il suffit de les intégrer à Dictionary.app sur OSX. Il seront par la suite disponible directement dans spotlight!</p>

<p>C&#8217;est vraiment trop pratique et très rapide!</p>

<p>Comment faire?</p>

<ol>
    <li>Télécharger les deux fichiers suivants: <a href="http://www.priithaamer.com/files/Ruby.dictionary.zip">ruby dictionary</a> et <a href="http://www.priithaamer.com/files/Ruby%20on%20Rails.dictionary.zip" target="_blank">rails dictionary</a></li>
    <li>extraire les fichiers zip dans le folder ~/Library/Dictionaries. (si le folder n&#8217;existe pas, créer le.)</li>
    <li>Assurez-vous que les dictionnaires sont dans le top de liste de Dictionary.app, sinon vous ne verez pas le resultat dans spotlight.</li>
</ol>

<p>Et voila!</p>

<p>Pour plus de détails, svp aller sur ce <a href="http://www.priithaamer.com/blog/ruby-on-rails-dictionary-for-macosx">site</a>. C&#8217;est la que j&#8217;ai pris toute l&#8217;informations!</p>

<p>Happy hacking!</p>
]]></content:encoded>
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		</item>
		<item>
		<title>Connaitre qui à ouvert un process..</title>
		<link>http://carlpelletier.ca/2009/01/19/connaitre-qui-a-ouvert-un-process/</link>
		<comments>http://carlpelletier.ca/2009/01/19/connaitre-qui-a-ouvert-un-process/#comments</comments>
		<pubDate>Mon, 19 Jan 2009 17:40:32 +0000</pubDate>
		<dc:creator>carlpelletier</dc:creator>
				<category><![CDATA[ruby]]></category>
		<category><![CDATA[technologie]]></category>
		<category><![CDATA[debug]]></category>
		<category><![CDATA[pid]]></category>
		<category><![CDATA[rails]]></category>

		<guid isPermaLink="false">http://carlpelletier.wordpress.com/?p=61</guid>
		<description><![CDATA[Récemment j&#8217;ai travailler à corriger un bug que j&#8217;avais avec Ferret Ce petit utilitaire sur unix est trop puissant: lsof. Lsof nous permet de savoir quel application à ouvert un fichier (pid). Voici l&#8217;exemple que j&#8217;utilise J&#8217;ai eu un connection timeout dans mon postgres. Je veux savoir la liste des process psql database_name; gm_core=# SELECT * [...]]]></description>
			<content:encoded><![CDATA[<p>Récemment j&#8217;ai travailler à corriger un bug que j&#8217;avais avec <a href="http://www.davebalmain.com/">Ferret</a></p>

<p>Ce petit utilitaire sur unix est trop puissant: lsof. Lsof nous permet de savoir quel application à ouvert un fichier (pid). Voici l&#8217;exemple que j&#8217;utilise</p>

<p>J&#8217;ai eu un connection timeout dans mon postgres. Je veux savoir la liste des process</p>

<div class="codecolorer-container bash default" style="overflow:auto;white-space:nowrap;border:1px solid #9F9F9F;width:435px;"><div class="bash codecolorer" style="padding:5px;font:normal 12px/1.4em Monaco, Lucida Console, monospace;white-space:nowrap">psql database_name;</div></div>

<div class="codecolorer-container sql default" style="overflow:auto;white-space:nowrap;border:1px solid #9F9F9F;width:435px;"><div class="sql codecolorer" style="padding:5px;font:normal 12px/1.4em Monaco, Lucida Console, monospace;white-space:nowrap">gm_core<span style="color: #66cc66;">=</span># <span style="color: #993333; font-weight: bold;">SELECT</span> <span style="color: #66cc66;">*</span> <span style="color: #993333; font-weight: bold;">FROM</span> pg_stat_activity;<br />
<span style="color: #66cc66;">-</span><span style="color: #66cc66;">&#91;</span> RECORD <span style="color: #cc66cc;">1</span> <span style="color: #66cc66;">&#93;</span><span style="color: #66cc66;">-+</span><span style="color: #808080; font-style: italic;">--------------------------------</span><br />
datid &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #66cc66;">|</span> <span style="color: #cc66cc;">79357</span><br />
datname &nbsp; &nbsp; &nbsp; <span style="color: #66cc66;">|</span> gm_core<br />
procpid &nbsp; &nbsp; &nbsp; <span style="color: #66cc66;">|</span> <span style="color: #cc66cc;">23621</span><br />
usesysid &nbsp; &nbsp; &nbsp;<span style="color: #66cc66;">|</span> <span style="color: #cc66cc;">19710</span><br />
usename &nbsp; &nbsp; &nbsp; <span style="color: #66cc66;">|</span> carlpelletier<br />
current_query <span style="color: #66cc66;">|</span><br />
waiting &nbsp; &nbsp; &nbsp; <span style="color: #66cc66;">|</span> f<br />
xact_start &nbsp; &nbsp;<span style="color: #66cc66;">|</span><br />
query_start &nbsp; <span style="color: #66cc66;">|</span> <span style="color: #cc66cc;">2009</span><span style="color: #66cc66;">-</span>07<span style="color: #66cc66;">-</span><span style="color: #cc66cc;">20</span> <span style="color: #cc66cc;">15</span>:<span style="color: #cc66cc;">19</span>:<span style="color: #cc66cc;">57.845857</span><span style="color: #66cc66;">-</span>04<br />
backend_start <span style="color: #66cc66;">|</span> <span style="color: #cc66cc;">2009</span><span style="color: #66cc66;">-</span>07<span style="color: #66cc66;">-</span><span style="color: #cc66cc;">20</span> <span style="color: #cc66cc;">15</span>:<span style="color: #cc66cc;">19</span>:<span style="color: #cc66cc;">46.448931</span><span style="color: #66cc66;">-</span>04<br />
client_addr &nbsp; <span style="color: #66cc66;">|</span><br />
client_port &nbsp; <span style="color: #66cc66;">|</span> <span style="color: #cc66cc;">50838</span></div></div>

<p>On prend le client_port et on fait</p>

<div class="codecolorer-container bash default" style="overflow:auto;white-space:nowrap;border:1px solid #9F9F9F;width:435px;"><div class="bash codecolorer" style="padding:5px;font:normal 12px/1.4em Monaco, Lucida Console, monospace;white-space:nowrap">lsof <span style="color: #660033;">-n</span> <span style="color: #000000; font-weight: bold;">|</span> <span style="color: #c20cb9; font-weight: bold;">grep</span> <span style="color: #000000;">50838</span><br />
ruby &nbsp; &nbsp; &nbsp;<span style="color: #000000;">31377</span> &nbsp; &nbsp;usrgm &nbsp; 11u &nbsp; &nbsp; IPv4 &nbsp; <span style="color: #000000;">53993738</span> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; TCP 127.0.0.1:<span style="color: #000000;">50838</span>-<span style="color: #000000; font-weight: bold;">&amp;</span>gt;127.0.0.1:postgres <span style="color: #7a0874; font-weight: bold;">&#40;</span>ESTABLISHED<span style="color: #7a0874; font-weight: bold;">&#41;</span><br />
postmaste <span style="color: #000000;">31380</span> postgres &nbsp; &nbsp;8u &nbsp; &nbsp; IPv4 &nbsp; <span style="color: #000000;">53993743</span> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; TCP 127.0.0.1:postgres-<span style="color: #000000; font-weight: bold;">&amp;</span>gt;127.0.0.1:<span style="color: #000000;">50838</span> <span style="color: #7a0874; font-weight: bold;">&#40;</span>ESTABLISHED<span style="color: #7a0874; font-weight: bold;">&#41;</span></div></div>

<p>Maintenant que nous avons le id du process, on peut voir le détails en faisant</p>

<div class="codecolorer-container bash default" style="overflow:auto;white-space:nowrap;border:1px solid #9F9F9F;width:435px;"><div class="bash codecolorer" style="padding:5px;font:normal 12px/1.4em Monaco, Lucida Console, monospace;white-space:nowrap"><span style="color: #c20cb9; font-weight: bold;">ps</span> <span style="color: #660033;">-auxwww</span> <span style="color: #000000; font-weight: bold;">|</span> <span style="color: #c20cb9; font-weight: bold;">grep</span> <span style="color: #000000;">31377</span><br />
usrgm &nbsp; &nbsp;<span style="color: #000000;">31377</span> &nbsp;<span style="color: #000000;">1.0</span> &nbsp;<span style="color: #000000;">1.6</span> <span style="color: #000000;">148068</span> <span style="color: #000000;">139456</span> ? &nbsp; &nbsp; Ss &nbsp; Jun09 <span style="color: #000000;">633</span>:<span style="color: #000000;">43</span> ruby script<span style="color: #000000; font-weight: bold;">/</span>ferret_server <span style="color: #660033;">-e</span> production start<br />
carl &nbsp; &nbsp; <span style="color: #000000;">30731</span> &nbsp;<span style="color: #000000;">0.0</span> &nbsp;<span style="color: #000000;">0.0</span> &nbsp;<span style="color: #000000;">4080</span> &nbsp;<span style="color: #000000;">740</span> pts<span style="color: #000000; font-weight: bold;">/</span><span style="color: #000000;">1</span> &nbsp; &nbsp;S+ &nbsp; <span style="color: #000000;">13</span>:<span style="color: #000000;">55</span> &nbsp; <span style="color: #000000;">0</span>:00 <span style="color: #c20cb9; font-weight: bold;">grep</span> <span style="color: #660033;">--exclude</span>=<span style="color: #000000; font-weight: bold;">*</span>.svn<span style="color: #000000; font-weight: bold;">*</span> <span style="color: #660033;">--color</span>=auto <span style="color: #000000;">31377</span></div></div>

<p>Dans le cas précédent, on peut voir que le problème de connection timeout est survenu à cause de Ferret_server. Il semble ne pas fermer les connections correctement. Est-ce vraiment Ferret ou ActiveRecord? La est la question!</p>

<p>Mon but est de démontré l&#8217;avantage de <em>lsof</em>. Je suis en train d&#8217;investiger sur le problèmes de ferret, mais je commence à trouver que c&#8217;est coder tout croche ce produit la. J&#8217;ai eu tellement de difficulté avec. Je pense aller vers Sphynx.</p>

<p>Merci à Mina Naguib pour sont aide et sont explication de la commande lsof.</p>
]]></content:encoded>
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		</item>
		<item>
		<title>Note à moi même: backgrounDrb</title>
		<link>http://carlpelletier.ca/2008/07/28/note-a-moi-meme-backgroundrb/</link>
		<comments>http://carlpelletier.ca/2008/07/28/note-a-moi-meme-backgroundrb/#comments</comments>
		<pubDate>Mon, 28 Jul 2008 14:24:20 +0000</pubDate>
		<dc:creator>carlpelletier</dc:creator>
				<category><![CDATA[Notes]]></category>
		<category><![CDATA[background]]></category>
		<category><![CDATA[backgroundrb]]></category>
		<category><![CDATA[rails]]></category>
		<category><![CDATA[ruby]]></category>

		<guid isPermaLink="false">http://carlpelletier.wordpress.com/?p=31</guid>
		<description><![CDATA[BackgrounDRb is a Ruby job server and scheduler. Its main intent is to be used with Ruby on Rails applications for offloading long-running tasks. Since a Rails application blocks while serving a request it is best to move long-running tasks off into a background process that is divorced from http request/response cycle.]]></description>
			<content:encoded><![CDATA[<p><strong>BackgrounDRb</strong> is a Ruby job server and scheduler. Its main intent is to be used with Ruby on Rails applications for offloading long-running tasks. Since a Rails application blocks while serving a request it is best to move long-running tasks off into a background process that is divorced from http request/response cycle.</p>
]]></content:encoded>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Note à moi même: cheat!</title>
		<link>http://carlpelletier.ca/2008/07/15/note-a-moi-meme-cheat/</link>
		<comments>http://carlpelletier.ca/2008/07/15/note-a-moi-meme-cheat/#comments</comments>
		<pubDate>Tue, 15 Jul 2008 19:21:49 +0000</pubDate>
		<dc:creator>carlpelletier</dc:creator>
				<category><![CDATA[Notes]]></category>
		<category><![CDATA[cheat]]></category>
		<category><![CDATA[gem]]></category>
		<category><![CDATA[rails]]></category>
		<category><![CDATA[ruby on rails]]></category>

		<guid isPermaLink="false">http://carlpelletier.wordpress.com/?p=17</guid>
		<description><![CDATA[The cheat gem contains a cheat sheet for the status codes. You can get the gem and view the status codes as follows: sudo gem install cheat cheat status_codes Pour voir la liste des cheat: http://cheat.errtheblog.com/b]]></description>
			<content:encoded><![CDATA[<p>The <a href="http://cheat.errtheblog.com/">cheat</a> gem contains a cheat sheet for the status codes. You can get the gem and view the status codes as follows:
<pre></p>

<div class="codecolorer-container text default" style="overflow:auto;white-space:nowrap;border:1px solid #9F9F9F;width:435px;"><div class="text codecolorer" style="padding:5px;font:normal 12px/1.4em Monaco, Lucida Console, monospace;white-space:nowrap">sudo gem install cheat<br />
cheat status_codes</div></div>

<p></pre>
Pour voir la liste des cheat: <a href="http://cheat.errtheblog.com/b" target="_blank">http://cheat.errtheblog.com/b</a></p>
]]></content:encoded>
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