Jason questions

Jason answers

• SQL: SELECT IN faster and best practice?
• Free API for Parsing US Postal Addresses?
• Check for valid gravatar (PHP)
• How can I improve the performance of my social networking site using memcached?
• Good Lucene .NET alternative for ASP.NET website [closed]
• cakephp find all condition AND OR
• Create a class based on user input
• How to avoid call-time pass-by-reference deprecated error in PHP?