JMan questions

• Should I rewrite my Codeigniter/PHP app in Ruby on Rails? Why?
• How access HTML5 video methods with jQuery?
• How access Apache Virtual Host with a mobile device?
• Facebook FB.login works in Safari, but not mobile Safari
• Facebook Object Debugger: property 'og:url' could not be parsed as type 'url'
• Incorrect vertical alignment in IE8
• Why am I finding Javascript/jQuery so difficult to get right?

JMan answers