大约有 36,020 项符合查询结果（耗时：0.0511秒） [XML]
Entity Framework and Connection Pooling
...
Connection pooling is handled as in any other ADO.NET application. Entity connection still uses traditional database connection with traditional connection string. I believe you can turn off connnection pooling in connection string if you don't want to use it. (read more ...
Can I return the 'id' field after a LINQ insert?
...without making another db call? I am assuming this is pretty easy, I just don't know how.
3 Answers
...
Boolean vs boolean in Java
...
booleans don't safe you any memory over Boolean. Boolean has two constant instances, TRUE and FALSE, they are there regardless if you use a Boolean, or not. A boolean inside of an object is alway as big as the word size of the VM, so ...
Unable to read data from the transport connection : An existing connection was forcibly closed by th
...service was not available on that machine, the machine didn't know what to do with the request.
If the connection to the machine was not available, you'd see a different error. I forget what it is, but it's along the lines of "Service Unreachable" or "Unavailable".
Edit - added
It IS possible t...
Does MSTest have an equivalent to NUnit's TestCase?
...
}
}
Again, Visual Studio Express' Test Explorer unfortunately doesn't recognize these tests. But at least the "full" VS versions now support that feature!
To use it, just install the NuGet packages MSTest.TestFramework and MSTest.TestAdapter (both pre-release as of now).
Older answer:...
Why Java needs Serializable interface?
...is form makes the class internals part of the public API (which is why javadoc gives you the persisted forms of classes).
For long-term persistence, the class must be able to decode this form, which restricts the changes you can make to class design. This breaks encapsulation.
Serialization can al...
Why this line xmlns:android=“http://schemas.android.com/apk/res/android” must be the first in the la
...
In XML, xmlns declares a Namespace. In fact, when you do:
<LinearLayout android:id>
</LinearLayout>
Instead of calling android:id, the xml will use http://schemas.android.com/apk/res/android:id to be unique. Generally this page doesn't exist (it's a URI, not a URL...
Using ChildActionOnly in MVC
... can be called only as a child method
from within a view. An action method doesn’t need to have this attribute to be used as a child action, but
we tend to use this attribute to prevent the action methods from being invoked as a result of a user
request.
Having defined an action method, we need to...
Quickly create a large file on a Linux system
... Is it possible that dd is internally using that already? If I do 'dd if=/dev/zero of=zerofile bs=1G count=1' on a 3.0.0 kernel, the write finishes in 2 seconds, with a write data rate of over 500 megabytes per second. That's clearly impossible on a 2.5" laptop harddrive.
...
Ruby Array find_first object?
Am I missing something in the Array documentation? I have an array which contains up to one object satisfying a certain criterion. I'd like to efficiently find that object. The best idea I have from the docs is this:
...