大约有 30,000 项符合查询结果（耗时：0.0571秒） [XML]
On select change, get data attribute value
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You need to find the selected option:
$(this).find(':selected').data('id')
or
$(this).find(':selected').attr('data-id')
although the first method is preferred.
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SQL JOIN and different types of JOINs
... @KNU The w3fools should give credit from where they have taken the idea for the pictures. See A visualization of SQL joins by Jeff Atwood (yes, the one who co-authored SO) and the linked article by Ligaya Turmelle where Jeff got the idea and explanded it.
– ypercubeᵀ...
How can I verify a Google authentication API access token?
...xxxxxxx-xxxxxxxxxxxxxxxxxxxxxxxxxx.apps.googleusercontent.com",
"user_id": "xxxxxxxxxxxxxxxxxxxxxxx",
"scope": "https://www.googleapis.com/auth/userinfo.profile https://gdata.youtube.com",
"expires_in": 3340,
"access_type": "offline"
}
The scope is the given permission of t...
Django filter queryset __in for *every* item in list
...(self):
return self.name
In [2]: t1 = Tag.objects.create(name='holiday')
In [3]: t2 = Tag.objects.create(name='summer')
In [4]: p = Photo.objects.create()
In [5]: p.tags.add(t1)
In [6]: p.tags.add(t2)
In [7]: p.tags.all()
Out[7]: [<Tag: holiday>, <Tag: summer>]
Using chained f...
CreateElement with id?
I'm trying to modify this code to also give this div item an ID, however I have not found anything on google, and idName does not work. I read something about append , however it seems pretty complicated for a task that seems pretty simple, so is there an alternative? Thanks :)
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How to reset sequence in postgres and fill id column with new data?
...have a table with over million rows. I need to reset sequence and reassign id column with new values (1, 2, 3, 4... etc...). Is any easy way to do that?
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How do I put an 'if clause' in an SQL string?
...seOrder
SET purchaseOrder_status = 'COMPLETED'
WHERE purchaseOrder_ID = '@purchaseOrder_ID' and
not exists (SELECT *
FROM itemsOrdered WHERE purchaseOrder_ID = '@purchaseOrdered_ID' AND status = 'PENDING'
)
However, I might guess that yo...
How can I use Server.MapPath() from global.asax?
I need to use Server.MapPath() to combine some files path that I store in the web.config .
4 Answers
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SQL Server add auto increment primary key to existing table
...ting table which is already populated with 150000 records. I have added an Id column (which is currently null).
15 Answers
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updating table rows in postgres using subquery
... address=subquery.address,
partn=subquery.partn
FROM (SELECT address_id, customer, address, partn
FROM /* big hairy SQL */ ...) AS subquery
WHERE dummy.address_id=subquery.address_id;
This syntax is not standard SQL, but it is much more convenient for this type of query than standard ...