This week's book giveaway is in the Agile and Other Processes forum. We're giving away four copies of DevSecOps Adventures: A Game-Changing Approach with Chocolate, LEGO, and Coaching Games and have Dana Pylayeva on-line! See this thread for details.
How can we maintain a single session for a user. Situation: user1 login to the website.we are maintaining the session. same user logs into the website again with other browser or another machine. now we have to alert that this user is already logged in.