Luke The Obscure questions

• Using Perl and MySql, how can I check for an empty result?
• What is the opposite of jQuerys "hasClass"?
• Git/SCM Workflow: Handling changes when QA finds problems
• Elegant way to collapse an empty div with jQuery?
• Dynamic "test host" or bundle loader for iOS Unit Testing?
• Creating an empty element with start tag vs. self closing tag
• How to repeat a POST request using Chrome's developer tools?
• SQL style JOIN on JSON data
• Abusing Objective-C Shorthand Notation

Luke The Obscure answers