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	<title>Hacker and Photographer</title>
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	<description>Your perceived failure can be the catalyst for profound reinvention</description>
	<lastBuildDate>Mon, 24 Oct 2011 15:34:19 +0000</lastBuildDate>
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		<title>Start Rails Server in Production Mode</title>
		<link>http://www.dfguo.com/?p=123</link>
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		<pubDate>Sun, 14 Aug 2011 00:06:19 +0000</pubDate>
		<dc:creator>dfguo</dc:creator>
				<category><![CDATA[Ruby on Rails]]></category>
		<category><![CDATA[Technical]]></category>
		<category><![CDATA[server mode]]></category>

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		<description><![CDATA[To start rails(all versions) server, you simply have to run rails s -e production a simple help manual reveals that rails s(erver) -e (production&#124;staging&#124;development&#124;test) Hope this helped you. If you followed Google search, please help me to click the +1 button. This can help more people]]></description>
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		<title>10 Stunning Photos of Jordan</title>
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		<pubDate>Thu, 23 Jun 2011 21:52:14 +0000</pubDate>
		<dc:creator>dfguo</dc:creator>
				<category><![CDATA[Photography]]></category>
		<category><![CDATA[Traveling]]></category>
		<category><![CDATA[Jordan]]></category>
		<category><![CDATA[photography]]></category>

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		<description><![CDATA[My friend Iris traveled to Jordan few weeks ago and has taken some amazing photographs. These photos revealed a part of the earth where not many travelers have stepped upon. I have selected 10 of the most stunning photos of Jordan and wish you will like them. 1. Wadi Rum, Jordan 2. Silhouette of camels [...]]]></description>
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		<title>Undefined method &#8216;task&#8217; using rake 0.9 on Snow Leopard</title>
		<link>http://www.dfguo.com/?p=103</link>
		<comments>http://www.dfguo.com/?p=103#comments</comments>
		<pubDate>Sun, 29 May 2011 04:08:37 +0000</pubDate>
		<dc:creator>dfguo</dc:creator>
				<category><![CDATA[Ruby on Rails]]></category>
		<category><![CDATA[Mac Development]]></category>

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		<description><![CDATA[One problem I had when i followed the tutorial on Getting Started with Rails is that when i tried rake db:create, I got this error message &#8216;Undefined method &#8216;task&#8221; So i did a bit of research and found partial solution here: http://stackoverflow.com/questions/5287121/undefined-method-task-using-rake-0-9-0-beta-4 In essence, i did the following thing: run: gem uninstall rake -v 0.9 [...]]]></description>
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		<title>web开发工程师知识体系</title>
		<link>http://www.dfguo.com/?p=100</link>
		<comments>http://www.dfguo.com/?p=100#comments</comments>
		<pubDate>Sun, 03 Apr 2011 17:20:38 +0000</pubDate>
		<dc:creator>dfguo</dc:creator>
				<category><![CDATA[Technical]]></category>

		<guid isPermaLink="false">http://www.dfguo.com/?p=100</guid>
		<description><![CDATA[Very interesting article: 1. Linux基础 1.1 系统命令使用(ls, cd, ps, …) 1.2 shell编程(sh, bash, …) 1.3 基本目录结构及作用(/proc, /etc, …) 1.4 常用服务的使用及配置(sshd, samba, ftp, crontab, …) 2. Apache服务器 1.1 部署及基本操作(apachectl, ab, …) 1.2 基本配置(virtualhost, …) 1.3 配套设施(lighttpd, nginx, haproxy, squid, …) 3. PHP 1.1 安装及配置(php.ini, mod_php, …) 1.2 基本语法 1.3 设计模式(Factory, Singleton, …) 1.4 框架(ZendFramework, Fleaphp, Symfony, [...]]]></description>
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		<title>Old FBML Facebook Dialog in New Graph API</title>
		<link>http://www.dfguo.com/?p=96</link>
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		<pubDate>Mon, 28 Mar 2011 13:25:30 +0000</pubDate>
		<dc:creator>dfguo</dc:creator>
				<category><![CDATA[Technical]]></category>

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		<description><![CDATA[credit to renegadechef from Facebook Developer Platform]]></description>
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		<title>Create Album Using Facebook Graph API</title>
		<link>http://www.dfguo.com/?p=92</link>
		<comments>http://www.dfguo.com/?p=92#comments</comments>
		<pubDate>Wed, 23 Mar 2011 10:55:45 +0000</pubDate>
		<dc:creator>dfguo</dc:creator>
				<category><![CDATA[php]]></category>
		<category><![CDATA[Technical]]></category>
		<category><![CDATA[create album]]></category>
		<category><![CDATA[Facebook Graph API]]></category>
		<category><![CDATA[javascript]]></category>

		<guid isPermaLink="false">http://www.dfguo.com/?p=92</guid>
		<description><![CDATA[I was looking around The Internet for the code for creating album using Facebook Graph API and I couldn&#8217;t find much information. So I digged into Facebook documentation and found the solution. Here I will show the code in javascript, but I think it&#8217;s quite easy to convert to PHP, enjoy.]]></description>
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		<title>Facebook Locale Language List in PHP Array</title>
		<link>http://www.dfguo.com/?p=89</link>
		<comments>http://www.dfguo.com/?p=89#comments</comments>
		<pubDate>Mon, 21 Mar 2011 13:31:55 +0000</pubDate>
		<dc:creator>dfguo</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://www.dfguo.com/?p=89</guid>
		<description><![CDATA[I was writing a Facebook app that needs to show the language list in a dropdown menu and was searching for it in the internet. I found the following things: 1. the language code of Facebook is the first two character of the locale in the user info 2. the 2 character language code follows [...]]]></description>
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		<title>Useful PHP Functions and Tips</title>
		<link>http://www.dfguo.com/?p=71</link>
		<comments>http://www.dfguo.com/?p=71#comments</comments>
		<pubDate>Fri, 04 Feb 2011 10:10:00 +0000</pubDate>
		<dc:creator>dfguo</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

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		<description><![CDATA[Today I decided to compile a list of the the PHP functions and tips as I do the programming and just to have a place to look at when I am looking for certain nice features Function that accepts arbitrary number of arguments using func_get_args() you can get arguments passed to the current funciton glob() [...]]]></description>
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		<title>SQL Injection in Yii Framework</title>
		<link>http://www.dfguo.com/?p=67</link>
		<comments>http://www.dfguo.com/?p=67#comments</comments>
		<pubDate>Tue, 25 Jan 2011 04:34:49 +0000</pubDate>
		<dc:creator>dfguo</dc:creator>
				<category><![CDATA[php]]></category>
		<category><![CDATA[Technical]]></category>
		<category><![CDATA[SQL injection]]></category>
		<category><![CDATA[Yii]]></category>

		<guid isPermaLink="false">http://www.dfguo.com/?p=67</guid>
		<description><![CDATA[SQL injection in Yii is not particularly worrisome when you use prepared statement for all your SQL queries. Let me give an example where a prepare statement is not used and one where prepare statement is used: in this example, the input ($_GET['title']) is a part of the query string, so whatever malicious character that [...]]]></description>
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		<slash:comments>4</slash:comments>
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		<item>
		<title>“log4j:WARN No appenders could be found for logger” message</title>
		<link>http://www.dfguo.com/?p=57</link>
		<comments>http://www.dfguo.com/?p=57#comments</comments>
		<pubDate>Sun, 21 Nov 2010 03:47:50 +0000</pubDate>
		<dc:creator>dfguo</dc:creator>
				<category><![CDATA[Technical]]></category>

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		<description><![CDATA[I was trying to integrate java lightweight client library RestFB into SmartFoxServe. I think apparently RestFB requires log4j, so i placed the log4j jar into the lib folder and added to classpath, yet i encounter this error message: log4j:WARN No appenders could be found for logger(somePackageName.someClassName). log4j:WARN Please initialize the log4j system properly. Placing the [...]]]></description>
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