David C questions

• Is there anyway to provide a clickable link on a HTML page to save a contact to a mobile phone?
• How to implement NAT traversal using STUN/ICE on my Raspberry Pi
• Is there a way to stub all methods of a particular class in RSpec 3?
• My jquery AJAX POST requests works without sending an Authenticity Token (Rails)
• Making android listview layout scrollable
• How do I create a Ruby app that talks to the framebuffer?
• How does heroku store its authentication on its command-line app?
• Passing @object into a rails partial render
• How to detect attribute changes from model?

David C answers