ryandenki questions

• Cryptographic security of Captcha hash cookie
• Subdomain cookie sent in request Cookie header, but not present in IE JavaScript's document.cookie
• How to take screenshot of rendered HTML page
• MySQL ON DUPLICATE KEY UPDATE with nullable column in unique key
• A privacy app ineffectually tries to block tracking data for our web analytics. Should we detect the failed attempt and not track their users? [closed]
• Detect mouseover of certain points within an HTML canvas?
• Eclipse "cannot find the tag library descriptor" for custom tags (not JSTL!)

ryandenki answers