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• Please improve
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Popular

• Parsing of XML data has high CPU usage
• Please improve
• Snake / Nibbles clone in C and Ncurses
• List the files in a directory without the directory name or the extension
• Convert simple Javascript to jQuery plugin
• Simple Particle Engine for a shooter game
• Active Record getting unique records
• Breadth first cartesian product iterator
• php refactoring
• first BST

Pastable version of ActiveRecord find_by_sql

<pre class='prettyprint' language='ruby'>Clip.find_by_sql([&quot;select * from clips where not exists (select 'clip_id' from histories where histories.clip_id = clips.id and histories.user_id = ?) ORDER BY clips.created_at DESC LIMIT 20&quot;, user.id])</pre> <a href="http://www.refactormycode.com/codes/1149-activerecord-find_by_sql" style="color:#fff" title="As seen on RefactorMyCode.com"><img alt="Small_logo" src="http://www.refactormycode.com/images/small_logo.gif" style="border:0" /></a>