How to display different contents when refresh every time.

[Chen Xu]

I am currently working on a web page using Django to recommend people food, basically when people refresh the page, it shows a different food which is from the database. I am wondering if there is a way to show different food every time when people refresh (people dont need to login), does Django provide some sort of session?

Thanks in advance

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⚡ Chen Xu ⚡

[Avraham Serour]

yes, django has session management, but why would you need to do that based on session?

I mean, you could just get a different content every time you render the page, of course showing something in random have a chance of repeating the same, if you have no control on what was already shown to the current person

if you want to be 100% that you won't show the same food for the same person when he reloads the page you would need to store the history and tie that to the user or session.

but in my opinion is not worth the overhead, it is not so bad to have a small % of repeats

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[Jonathan Baker]

I agree with Avraham, and you can easily accomplish this by using .order_by("?") when using the Django ORM (@see https://docs.djangoproject.com/en/dev/ref/models/querysets/#django.db.models.query.QuerySet.order_by)

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Jonathan D. Baker
Developer
http://jonathandbaker.com

[Bill Freeman]

If the page is cacheable then, in the wild, all bets are off.

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