大约有 44,000 项符合查询结果（耗时：0.0727秒） [XML]
How to write :hover condition for a:before and a:after?
...
This depends on what you're actually trying to do.
If you simply wish to apply styles to a :before pseudo-element when the a element matches a pseudo-class, you need to write a:hover:before or a:visited:before instead. Notice the pseudo-element comes after the pseudo-class (a...
How do we count rows using older versions of Hibernate (~2009)?
For example, if we have a table Books, how would we count total number of book records with hibernate?
8 Answers
...
SQL Server Configuration Manager not found
...
If you happen to be using Windows 8 and up, here's how to get to it:
The newer Microsoft SQL Server Configuration Manager is a snap-in for
the Microsoft Management Console program.
It is not a stand-alone
program as used i...
How to override the [] operator in Python?
... key):
return key * 2
myobj = MyClass()
myobj[3] #Output: 6
And if you're going to be setting values you'll need to implement the __setitem__ method too, otherwise this will happen:
>>> myobj[5] = 1
Traceback (most recent call last):
File "<stdin>", line 1, in <module...
Avoid duplicates in INSERT INTO SELECT query in SQL Server
...
Just a clarification on the NOT EXISTS version, you'll need a WITH(HOLDLOCK) hint or no locks will be taken (because there are no rows to lock!) so another thread could insert the row under you.
– IDisposable
...
SQL Server: SELECT only the rows with MAX(DATE)
...
If rownumber() over(...) is available for you ....
select OrderNO,
PartCode,
Quantity
from (select OrderNO,
PartCode,
Quantity,
row_number() over(partition by OrderNO orde...
How do I join two lines in vi?
...
Shift+J removes the line change character from the current line, so by pressing "J" at any place in the line you can combine the current line and the next line in the way you want.
...
What is the advantage of using REST instead of non-REST HTTP?
...all the getters and POST for all the setters, we try to have the URLs identify resources, and then use the HTTP actions GET, POST, PUT and DELETE to do stuff to them. So instead of
GET /get_article?id=1
POST /delete_article id=1
You would do
GET /articles/1/
DELETE /articles/1/
And then POST...
How to drop column with constraint?
....parent_object_id = OBJECT_ID('tbloffers')
AND c.name = N'checkin'
IF @@ROWCOUNT = 0 BREAK
EXEC (@sql)
END
share
|
improve this answer
|
follow
|
...
How do I output the difference between two specific revisions in Subversion?
...
See svn diff in the manual:
svn diff -r 8979:11390 http://svn.collab.net/repos/svn/trunk/fSupplierModel.php
share
|
improve this a...