convore.json/groups/django-community/how-to-check-if-specified-user-is-logged-in-on-site-at-the-moment/messages.json

[{"user_id": 553, "stars": [], "topic_id": 45294, "date_created": 1315988936.160223, "message": "and i don't mean currently logged in user", "group_id": 81, "id": 2123407}, {"user_id": 553, "stars": [], "topic_id": 45294, "date_created": 1315988993.5431731, "message": "basically i want to know if user username \"abc\" is on site", "group_id": 81, "id": 2123410}, {"user_id": 553, "stars": [], "topic_id": 45294, "date_created": 1315991161.162627, "message": "5 minutes or some would be enough", "group_id": 81, "id": 2123545}, {"user_id": 19297, "stars": [], "topic_id": 45294, "date_created": 1315990145.4885731, "message": "@dmishe How do you define \"on site\"? Active within, say, the last five minutes? Or *now*? I would probably go with web sockets in the latter case.", "group_id": 81, "id": 2123455}, {"user_id": 1126, "stars": [], "topic_id": 45294, "date_created": 1316010516.760524, "message": "You could use a database or fast store (like Redis) to log activity of a logged-in user for each request, keeping the row active for the length of time that you want to track (5 minutes, or whatever)", "group_id": 81, "id": 2125752}]