大约有 41,000 项符合查询结果（耗时：0.0671秒） [XML]
What is the recommended batch size for SqlBulkCopy?
...s my SQL Server instance. Using a custom IDataReader, it parses flat files and inserts them into a database using SQLBulkCopy. A typical file has about 6M qualified rows, averaging 5 columns of decimal and short text, about 30 bytes per row.
Given this scenario, I found a batch size of 5,000 to be...
How do I make Git ignore file mode (chmod) changes?
...bit on. git-clone(1)
or git-init(1) probe the filesystem to see if it handles the
executable bit correctly and this variable is automatically
set as necessary.
A repository, however, may be on a filesystem that handles
the filemode correctly, and this variable is set to true wh...
Order of member constructor and destructor calls
Oh C++ gurus, I seek thy wisdom. Speak standardese to me and tell my if C++ guarantees that the following program:
4 Answer...
Python != operation vs “is not”
...
== is an equality test. It checks whether the right hand side and the left hand side are equal objects (according to their __eq__ or __cmp__ methods.)
is is an identity test. It checks whether the right hand side and the left hand side are the very same object. No methodcalls ...
Is DateTime.Now the best way to measure a function's performance?
I need to find a bottleneck and need to accurately as possible measure time.
15 Answers
...
Get the device width in javascript
... than the device screen size.
Typically, when dealing with mobile devices AND desktop browsers I use the following:
var width = (window.innerWidth > 0) ? window.innerWidth : screen.width;
share
|
...
Java compiler level does not match the version of the installed Java project facet
...you are using the m2e plugin in Eclipse, you'll need to specify the source and target versions as 1.6 for maven-compiler-plugin. m2e uses these values to determine the project's Java compiler level. A snippet of the POM is shown below:
<build>
<plugins>
<plugin>
<ar...
MVC4 StyleBundle not resolving images
...
According to this thread on MVC4 css bundling and image references, if you define your bundle as:
bundles.Add(new StyleBundle("~/Content/css/jquery-ui/bundle")
.Include("~/Content/css/jquery-ui/*.css"));
Where you define the bundle on the same path ...
Drawing Isometric game worlds
...echnique for mapping the tiles to the screen can be said that the tile's x and y coordinates are on the vertical and horizontal axes.
"Drawing in a diamond" approach:
By drawing an isometric map using "drawing in a diamond", which I believe refers to just rendering the map by using a nested for-lo...
Can I find out the return value before returning while debugging in Visual Studio?
...e easiest way to access it is by putting a breakpoint on the function call and step over (F10) the call.
Update for VS2015: boo! unfortunately, it doesn't appear to be in VS2015 (devenv v14)
Update for VS2017: it's back. (devenv v15)
...