大约有 47,000 项符合查询结果(耗时:0.0551秒) [XML]
How can I select multiple columns from a subquery (in SQL Server) that should have one record (selec
...es from the row with the highest value for Foo (rather than the max of Foo and the max of Foo2 - which is NOT the same thing) then the following will usually work better than a subquery:
SELECT
A.SalesOrderID,
A.OrderDate,
B1.Foo,
B1.Foo2
FROM
A
LEFT OUTER JOIN B AS B1 ON
...
Where are ${EXECUTABLE_NAME} and ${PRODUCT_NAME} defined
... EXECUTABLE_NAME is a concatenation of:
$EXECUTABLE_PREFIX, $PRODUCT_NAME and $EXECUTABLE_SUFFIX.
See the reference of EXECUTABLE_NAME for details.
Update
The new reference can be found here http://help.apple.com/xcode/mac/8.3/#/itcaec37c2a6
EXECUTABLE_NAME
Specifies the name of the binary...
Filter by property
...perties, you have to load the object into Python to evaluate the property--and at that point, you've already done all the work to load it.
share
|
improve this answer
|
follo...
What is the exact problem with multiple inheritance?
...obvious problem is with function overriding.
Let's say have two classes A and B, both of which define a method doSomething. Now you define a third class C, which inherits from both A and B, but you don't override the doSomething method.
When the compiler seed this code...
C c = new C();
c.doSomet...
Script not served by static file handler on IIS7.5
...re two IIS Registration Tools that ship with the .NET Framework; one for standard systems and one for 64-bit system. The tool for 64-bit systems in located in the Framework64 directory of the Microsoft.NET directory inside the Windows folder; for example C:\WINDOWS\Microsoft.NET\Framework64\v2.0.507...
What's the recommended approach to resetting migration history using Django South?
I've accumulated quite a few migrations using South (0.7) and Django (1.1.2) which are starting to consume quite a bit of time in my unit tests. I would like to reset the baseline and start a fresh set of migrations. I've reviewed the South documentation , done the usual Google/Stackoverflow search...
Error handling with node.js streams
What's the correct way to handle errors with streams? I already know there's an 'error' event you can listen on, but I want to know some more details about arbitrarily complicated situations.
...
Valid to use (anchor tag) without href attribute?
I've been using Twitter Bootstrap to build a site, and a lot of its functionality depends on wrapping things in <a> , even if they're just going to execute Javascript. I've had problems with the href="#" tactic that Bootstrap's documentation recommends, so I was trying to find a different s...
What is the difference between gsub and sub methods for Ruby Strings
I have been perusing the documentation for String today, and I saw the :sub method, which I'd never noticed before. I've been using :gsub and it appears that they are essentially the same. Can anyone explain the difference to me? Thanks!
...
How do you overcome the HTML form nesting limitation?
I know that XHTML doesn't support nested form tags and I have already read other answers here on Stack Overflow regarding this subject, but I still haven't figured out an elegant solution to the problem.
...