I often need to run multiple browser sessions simultaneously where each session is isolated from the other.

  • Testing a web page design for multiple logins (Admin, registered, privileged, etc. users)
  • Running a page that tends to crash FireFox (like Flash pages).

Under Linux (Ubuntu in this example) you can do this one of two ways:

1. Create a new user, open a terminal and ssh to that account and firefiox &. This creates a fully isolated session but is a bit tedious.

  • This is the best method for 100% isolation.

2. Create multiple Firefox profiles. ... Click to read more

On occasion it seems that jQuery and reCAPTCHA are not the best of friends. I encountered a problem on an Drupal 4.7 (with so many changes for performance it is almost a fork) installation using the reCAPTCHA 4.7.x-1.0 and CAPTCHA 4.7.x-1.2 modules. The user login/registration pages use reCAPTCHA and some custom jQuery module for doing rounded corners (single image, liquid layout). This combination caused the page to white-screen as soon as the jQuery modified the DOM. ... Click to read more