Ryan questions

• Best approach for specific Object/Image Recognition task?
• Explanation of performance considerations of read/write on Google Datastore (GAE)?
• Do I need a special web host to be able to utilize a PHP framework like CakePHP or Symfony?
• Stream MP4 video onto iPhone directly from S3?
• How to handle user authentication persistance in IOS?
• How does Facebook iPhone app implement the pop-over window for notifications?
• What's the benefit of using dispatch_sync if it has to wait until the main thread completes?
• How can I use computer vision to find a shape in an image?
• Possible to capture still frames from a Youtube video? [closed]
• Python Variable Scope (passing by reference or copy?)

Ryan answers