Re: LOG IN LOG OUT
This WebDNA talk-list message is from 1997
It keeps the original formatting.
numero = 15234
interpreted = N
texte = >Hello,>I'm trying to solve this problem for a while:> When users enter someplace, they are written into a database containing 3> fields: [date][T](time)[user].>New user who enters is able to see who is already there because the entry>page contains:>[search db=users.db&eqdatedata=[date]]>[founditems]>[user]*[t]
>[/founditems]>[/search]>The problem is to show only users that are there at the moment, because>now it shows ALL the users that logged in that day. I want the users who>exited the system not to be displayed. I tried to use some math format to>display users that entered in the last 30 minutes, but then I have the same>problem with users who logged out after 5 minutes, etc.The web cannot tell you who is there and who is not, because no oneis actually 'there' for more than the time required to download a webpage and the graphics/sounds that are referenced on that page. So ifthe page is a text-only page, the person was actually 'logged in' foronly a fraction of a second.In other words, you can't do what you want, you can only guess at it.Try recording the time each person requests a page, then display thetime instead of the date. Then other users can try to figure outwho's still there by looking at the last time they requested a page.Sincerely, Ken GromeWebDNA Solutionshttp://www.smithmicro.com/webdnasolutions/...
Associated Messages, from the most recent to the oldest:
>Hello,>I'm trying to solve this problem for a while:> When users enter someplace, they are written into a database containing 3> fields:
[date][T](time)[user].>New user who enters is able to see who is already there because the entry>page contains:>[search db=users.db&eqdatedata=
[date]]>
[founditems]>[user]*[t]
>[/founditems]>[/search]>The problem is to show only users that are there at the moment, because>now it shows ALL the users that logged in that day. I want the users who>exited the system not to be displayed. I tried to use some math format to>display users that entered in the last 30 minutes, but then I have the same>problem with users who logged out after 5 minutes, etc.The web cannot tell you who is there and who is not, because no oneis actually 'there' for more than the time required to download a webpage and the graphics/sounds that are referenced on that page. So ifthe page is a text-only page, the person was actually 'logged in' foronly a fraction of a second.In other words, you can't do what you want, you can only guess at it.Try recording the time each person requests a page, then display thetime instead of the date. Then other users can try to figure outwho's still there by looking at the last time they requested a page.Sincerely, Ken GromeWebDNA Solutionshttp://www.smithmicro.com/webdnasolutions/...
Kenneth Grome
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