Alex questions

• Validating forms with regex in codeigniter
• Can you locally store tweets from twitter API
• Converting UTF8 text for use in a URL
• Making custom toggle buttons in Access
• Caching one section of a CodeIgniter page
• Rewriting a number based URL using .htaccess RewriteRule
• Removing an item from object in a loop
• Passing text box control to private sub/function
• Optimising a haversine formula SQL call in PHP
• Regex to validate a twitter url

Alex answers