<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[RSS Feed]]></title><description><![CDATA[RSS Feed]]></description><link>http://direct.ecency.com</link><image><url>http://direct.ecency.com/logo512.png</url><title>RSS Feed</title><link>http://direct.ecency.com</link></image><generator>RSS for Node</generator><lastBuildDate>Tue, 14 Apr 2026 05:04:45 GMT</lastBuildDate><atom:link href="http://direct.ecency.com/created/ios-dev/rss.xml" rel="self" type="application/rss+xml"/><item><title><![CDATA[[iOS-Dev] nil NSNull Nil NULL]]></title><description><![CDATA[iOS 개발을 새로 시작하는데.. 이런 몰랐던 내용이라서.. object가 nil 이면 오히려 크래쉬가 발생하지 않고 nil 체크를 열심히 하고도 NSNull 때문에 죽는 경우가 있다니.. NULL : pointer null nil : object null Nil : class null NSNull : singletone object used to represent]]></description><link>http://direct.ecency.com/kr-dev/@babysloth/ios-dev-nil-nsnull-nil-null</link><guid isPermaLink="true">http://direct.ecency.com/kr-dev/@babysloth/ios-dev-nil-nsnull-nil-null</guid><category><![CDATA[kr-dev]]></category><dc:creator><![CDATA[babysloth]]></dc:creator><pubDate>Sun, 21 Jan 2018 08:47:51 GMT</pubDate></item></channel></rss>