大约有 40,000 项符合查询结果（耗时：0.0267秒） [XML]
T-SQL: Selecting rows to delete via joins
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DELETE FROM TableA a WHERE [filter condition on TableA]
AND (a.BId IN (SELECT a.BId FROM TableB b JOIN TableA a
ON a.BId = b.BId
WHERE [filter condition on TableB]))
(Note Interbase doesn't support the AS keyword for aliases)
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How to select distinct rows in a datatable and store into an array
...n named ProcessName. This ProcessName contains repeated names.So i want to select only distinct names.Is this possible.
18 ...
Return empty cell from formula in Excel
...a by changing SomeRange to Range("MyRange"). To set a name for your cells, select the cells, click Define Name on the Formulas tab of the ribbon, and enter "MyRange" in the Name field. (And of course you could replace MyRange with anything you want.)
– devuxer
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foreach with index [duplicate]
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You can do the following
foreach (var it in someCollection.Select((x, i) => new { Value = x, Index = i }) )
{
if (it.Index > SomeNumber) //
}
This will create an anonymous type value for every entry in the collection. It will have two properties
Value: with the ori...
Is there a way to make text unselectable on an HTML page? [duplicate]
...an HTML UI with some text elements, such as tab names, which look bad when selected. Unfortunately, it's very easy for a user to double-click a tab name, which selects it by default in many browsers.
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Importing Maven project into Eclipse
...e
Open Eclipse
Click File > Import
Type Maven in the search box under Select an import source:
Select Existing Maven Projects
Click Next
Click Browse and select the folder that is the root of the Maven project (probably contains the pom.xml file)
Click Next
Click Finish
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Standard alternative to GCC's ##__VA_ARGS__ trick?
...ine REST_HELPER_TWOORMORE(first, ...) , __VA_ARGS__
#define NUM(...) \
SELECT_10TH(__VA_ARGS__, TWOORMORE, TWOORMORE, TWOORMORE, TWOORMORE,\
TWOORMORE, TWOORMORE, TWOORMORE, TWOORMORE, ONE, throwaway)
#define SELECT_10TH(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, ...) a10
int
main...
Fluent and Query Expression — Is there any benefit(s) of one over other?
...me in fullNames
from name in fullName.Split()
orderby fullName, name
select name + " came from " + fullName;
Now compare this to the same thing in method syntax:
var query = fullNames
.SelectMany (fName => fName.Split().Select (name => new { name, fName } ))
.OrderBy (x => x.fN...
How to load assemblies in PowerShell?
...me;
These should also work:
Add-Type -AssemblyName $TypeName -PassThru | Select-Object -ExpandProperty Assembly | Select-Object -ExpandProperty FullName -Unique
If I want my script to always use a specific version of a .dll but I can't be certain of where it's installed, how do I determine what ...
The selected run destination is not valid for this action
...ject icon in the left hand panel. 2) In the right hand panel that appears, select Build Settings » all. 3) You'll see the option to change the SDK. Screenshot: img546.imageshack.us/img546/9808/picture3fh.png
– cwd
Dec 16 '11 at 23:12
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