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I need to update table and set table . related_id (column that "binds" the table with related table ) to NULL where the table . related_id doesn't exist in the related_table as related_table . id .
example:
TABLE: id | name | related_id 1 | aaa | 15 2...
Started by tomp on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
What problem are you having, exactly?
UPDATE table1 t SET related_id = NULL WHERE NOT EXISTS (SELECT 1 FROM related_table WHERE id = t.related_id).
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How can I get a total count of a model's related objects and the model's children's related objects?
In Django, I've got a Checkout model, which is a ticket for somebody checking out equipment. I've also got an OrganizationalUnit model that the Checkout model relates to (via ForeignKey), as the person on the checkout belongs to an OrganizationalUnit ...
Started by kreeger on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
That traverse OrganizationalUnit relation tree and gets number of related Checkouts for each, that to get a number of related checkouts I use:
checkout_count = ou.checkouts.count()
insted, related_name='children', ) checkout....
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Are we allowed to post non-reef related items for trade for reef related items?
No cash involved.
Thanks!
Started by Lou Cifer on
, 11 posts
by 5 people.
Answer Snippets (Read the full thread at reefcentral):
Thanks! But! I think it would be ok to offer your non reef related items reef related items by itself.....
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Ask your Facebook Friends
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In Jira, linking items together is easy and useful.
For example, you can clone an issue easily: Create issue 100, clone it to 101. 100 then shows "this issue has a clone: 101" and 101 then shows "this issue is a clone: 100"
Similarly, you can mark issue...
Started by joeslice on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
You can expect "is related....
You can name both roles equally ("is related to" -- "is related to"), and this will work to some extent.
Have a symmetrical link semantics, like issues related to each other, this just does not work well.
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My models:
HitCounter:
hits = models.PositiveIntegerField(default=0) object_pk = models.TextField('object ID') content_type = models.ForeignKey(ContentType, verbose_name="content cype", related_name="content_type_set_for_%(class)s",) content_object = ...
Started by Tran Tuan Anh on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
Your....
I think this should work:
items = Item.objects.annotate(hits=Sum('hitcounter__hits')).order_by('-hits')
Doc for Django aggregation here
Maybe the meta options order_with_respect_to and ordering help, if you want to have this ordering by default .
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Is "pkg-info" mostly related to Solaris?
Started by jldupont on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at superuser):
The pkginfo command and the whole related standard packaging format.
That uses pacman
Strictly speaking, no.
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What WPF book covers ItemsControl.GetContainerForItemOverride and related in detail? Additionally I would like to read about why TreeView overrides it and how IsItemItsOwnContainerOverride is related to it.
Started by bitbonk on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
I'm not sure what books are out there, but here is some required reading on how ItemsControls work:
Dr, WPF - Items Control A- Z Josh Smith - Tree View and the MVVM Pattern I think you need to realize that Menus and TreeViews are ItemsControls, but then... .
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Hi, we often see 'related items'. For instance in blogs we have related posts, in books we have related books, etc. My question is how do we compile those relevency? If it's just tag, I often see related items that does not have the same tag. For instance...
Started by Patrick on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
Useful ....
Put up a table with the fields item_id and related_item_id , then make an interface to insert the connections.
Reading, autobiography so J(a,b) = 2/6 = .333 So the most related item to A would be the item which connecting them.
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Please recommend a particular programming-related talk / video and explain why you like it.
Started by namin on
, 15 posts
by 15 people.
Answer Snippets (Read the full thread at stackoverflow):
They cover everything from JavaScript to performance to accessibility.
Programming related presentations.
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What is Heart Beat Design Pattern? How is it related to ASP.NET session?
Started by Ahmed on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
User's tend to leaves browser session active while....
It holds session information so that (for example) a shopping cart or the state of an online game can be retained between those requests .
A web application receives HTTP request from a user's browser .
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