大约有 47,000 项符合查询结果（耗时：0.0523秒） [XML]
Jquery mouseenter() vs mouseover()
So after reading a recently answered question i am unclear if i really understand the difference between the mouseenter() and mouseover() . The post states
...
Doctrine 2 can't use nullable=false in manyToOne relation?
...can refer to the same package. User cannot exists without a Package defined. User should own the relation. Relation is bidirectional, so a Package has zero or more users in it.
...
PatternSyntaxException: Illegal Repetition when using regex in Java
I don't know much regex, but I need to match a simple pattern. The following should return true,
2 Answers
...
How to list branches that contain a given commit?
How can I query git to find out which branches contain a given commit? gitk will usually list the branches, unless there are too many, in which case it just says "many (38)" or something like that. I need to know the full list, or at least whether certain branches contain the commit.
...
Setting CSS pseudo-class rules from JavaScript
I'm looking for a way to change the CSS rules for pseudo-class selectors (such as :link, :hover, etc.) from JavaScript.
12 ...
Passing command line arguments from Maven as properties in pom.xml
Is it possible to pass arguments from command line to properties in pom.xml file ?
for example I run mvn ... argument
5 ...
What are the uses for Cross Join?
A cross join performs a cartesian product on the tuples of the two sets.
9 Answers
9
...
What is the difference between “INNER JOIN” and “OUTER JOIN”?
Also how do LEFT JOIN , RIGHT JOIN and FULL JOIN fit in?
27 Answers
27
...
How to write UPDATE SQL with Table alias in SQL Server 2008?
...
The syntax for using an alias in an update statement on SQL Server is as follows:
UPDATE Q
SET Q.TITLE = 'TEST'
FROM HOLD_TABLE Q
WHERE Q.ID = 101;
The alias should not be necessary here though.
...
How do I execute a stored procedure once for each row returned by query?
I have a stored procedure that alters user data in a certain way. I pass it user_id and it does it's thing. I want to run a query on a table and then for each user_id I find run the stored procedure once on that user_id
...