大约有 5,475 项符合查询结果(耗时:0.0236秒) [XML]
Creating an index on a table variable
...ate index after insert.
CREATE TABLE #Table(C1 int,
C2 NVarchar(100) , C3 varchar(100)
UNIQUE CLUSTERED (c1)
);
Create table with unique clustered index
Insert data into Temp "#Table" table
Create non clustered indexes.
CREATE NONCLUSTERED INDEX IX1 ON #Table (C2,C3);
...
Database design for audit logging
...IMARY KEY,
Name nvarchar(200) NOT NULL,
CreatedByName nvarchar(100) NOT NULL,
CurrentRevision int NOT NULL,
CreatedDateTime datetime NOT NULL
And the contents:
CREATE TABLE dbo.PageContent(
PageID int NOT NULL,
Revision int NOT NULL,
Title nvarchar(200) NOT NULL,...
Zoom in on a point (using scale and translate)
...lack square.
context.fillStyle = "black";
context.fillRect(50,50,100,100);
}
// Draw loop at 60FPS.
setInterval(draw, 1000/60);
canvas.onwheel = function (event){
event.preventDefault();
// Get mouse offset.
var mousex = event.clientX - canvas.offsetLeft;
var mous...
How many socket connections can a web server handle?
...oday, I was worried whether IIS with ASP.NET would support in the order of 100 concurrent connections (look at my update, expect ~10k responses per second on older ASP.Net Mono versions). When I saw this question/answers, I couldn't resist answering myself, many answers to the question here are comp...
Choice between vector::resize() and vector::reserve()
... the only effect.
So it depends on what you want. If you want an array of 1000 default items, use resize(). If you want an array to which you expect to insert 1000 items and want to avoid a couple of allocations, use reserve().
EDIT: Blastfurnace's comment made me read the question again and reali...
What is the motivation for bringing Symbols to ES6?
...
100
Symbols do not guarantee true privacy but can be used to separate public and internal properti...
Good example of livelock?
...e (!container.getIngredient(quantity)) {
container.empty.await(1000, TimeUnit.MILLISECONDS);
//Thread.sleep(500); //For deadlock
}
container.unlock();
:
}
IngredientContainer.java
public boolean getIngredient(int n) throws Exception {
:
lock...
Speed up the loop operation in R
...)
}
Compare result for this functions, this time for nrow from 10,000 to 100,000 by 10,000.
Tuning the tuned
Another tweak is to changing in a loop indexing temp[i,9] to res[i] (which are exact the same in i-th loop iteration).
It's again difference between indexing a vector and indexing a dat...
How to handle many-to-many relationships in a RESTful API?
...Roberto Dinamite',
birth: '1954-04-13T00:00:00Z',
}
/api/TeamsPlayers/100
{
id: 100,
playerId: 10,
teamId: 1,
contractStartDate: '1971-11-25T00:00:00Z',
}
This solution relies on REST resources only. Although some extra calls may be necessary to get data from players, teams or...
How do I create a WPF Rounded Corner container?
...gleGeometry>
</Border.Clip>
<Rectangle
Width="100"
Height="100"
Fill="Blue"
HorizontalAlignment="Left"
VerticalAlignment="Center"
/>
</Border>
The code for the converter:
public class WidthAndHeightToRectConverter : IMultiV...