大约有 47,000 项符合查询结果（耗时：0.0379秒） [XML]
Only one expression can be specified in the select list when the subquery is not introduced with EXI
... ORDER clause is independent of the columns returned by the query.
Try som>me m>thing like this:
select count(distinct dNum)
from myDB.dbo.AQ
where A_ID in
(SELECT DISTINCT TOP (0.1) PERCENT A_ID
FROM myDB.dbo.AQ
WHERE M > 1 and B = 0
GROUP BY A_ID
ORDER BY COUNT(DISTINCT dN...
How do you know what to test when writing unit tests? [closed]
Using C#, I need a class called User that has a usernam>me m>, password, active flag, first nam>me m>, last nam>me m>, full nam>me m>, etc.
...
Test whether a glob has any matches in bash
...for the existence of a single file, I can test for it using test -e filenam>me m> or [ -e filenam>me m> ] .
19 Answers
...
How to play with Control.Monad.Writer in haskell?
...Number :: (Show a, MonadWriter [String] m) => a -> m a
Which tells m>me m> that the inferred type is not a function that returns a particular writer, but rather anything that implem>me m>nts the MonadWriter type class. I can now use it:
ghci> let multWithLog = do { a <- logNumber 3; b <- log...
How to set a default value with Html.TextBoxFor?
Simple question, if you use the Html Helper from ASP.NET MVC Fram>me m>work 1 it is easy to set a default value on a textbox because there is an overload Html.TextBox(string nam>me m>, object value) . When I tried using the Html.TextBoxFor m>me m>thod, my first guess was to try the following which did not work...
Using numpad in Vi (Vim) via PuTTY
...heck "Disable
application keypad mode". Save the settings and enjoy a num>me m>ric pad
that works!
share
|
improve this answer
|
follow
|
...
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize
...anent generation was removed from the hotspot heap and was moved to native m>me m>mory.
So in order to remove this m>me m>ssage
edit MAVEN_OPTS Environm>me m>nt User Variable:
Java 7
MAVEN_OPTS -Xmx512m -XX:MaxPermSize=128m
Java 8
MAVEN_OPTS -Xmx512m
...
Converting string to Date and DateTim>me m>
... 10-16-2003), how do I properly convert that to a Date and then a DateTim>me m> in the format of YYYY-mm-dd ? The only reason I ask for both Date and DateTim>me m> is because I need one in one spot, and the other in a different spot.
...
How many String objects will be created when using a plus sign?
...
Surprisingly, it depends.
If you do this in a m>me m>thod:
void Foo() {
String one = "1";
String two = "2";
String result = one + two + "34";
Console.Out.WriteLine(result);
}
then the compiler seems to emit the code using String.Concat as @Joachim answered ...
Automatic text translation at MSDN pages - How to turn off?
.../msdn.microsoft.com/de-de/library/system.diagnostics.contracts.contractargum>me m>ntvalidatorattribute(v=vs.110).aspx
English only (no translation):
http://msdn.microsoft.com/en-us/library/system.diagnostics.contracts.contractargum>me m>ntvalidatorattribute(v=vs.110).aspx
...