大约有 40,000 项符合查询结果（耗时：0.0289秒） [XML]
Exit single-user mode
...and find all the connections to database 'my_db'.
Kill all the connections by doing KILL { session id } where session id is the SPID listed by sp_who2.
Third, open a new query window.
Execute the following code.
-- Start in master
USE MASTER;
-- Add users
ALTER DATABASE [my_db] SET MULTI_USER
GO...
What is the usefulness of PUT and DELETE HTTP request methods?
...LETE method requests that the origin server delete the resource identified by the Request-URI. This method MAY be overridden by human intervention (or other means) on the origin server. The client cannot be guaranteed that the operation has been carried out, even if the status code returned from the...
How to draw rounded rectangle in Android UI?
...dark" />
<corners android:radius="32dp" />
</shape>
By changing the android:radius you can change the amount of "radius" of the corners.
<solid> is used to define the color of the drawable.
You can use replace android:radius with android:bottomLeftRadius, android:botto...
How to delete a record in Django models?
...fter DJango 1.4, but this is actually fetching all the PKs and then delete by those PKs. So eg if you delete by an arbitrary field, this can be way slower then the SQL counterpart... :(
– Vajk Hermecz
Mar 25 '14 at 16:22
...
Generate class from database table
...ame
when 'bigint' then 'long'
when 'binary' then 'byte[]'
when 'bit' then 'bool'
when 'char' then 'string'
when 'date' then 'DateTime'
when 'datetime' then 'DateTime'
when 'datetime2' then 'DateTime'
whe...
How to reset radiobuttons in jQuery so that none is checked
... values as provided in the HTML. Before 1.6 jQuery blurred the distinction by providing one method, .attr, to access both types of values. jQuery 1.6+ provides two methods, .attr and .prop to get distinguish between these situations.
.prop allows you to set a property on a DOM element, while .attr a...
Could not load file or assembly Microsoft.SqlServer.management.sdk.sfc version 11.0.0.0
...assembly Microsoft.SqlServer.management.sdk.sfc version 12.0.0.0 not found by visual studio.
Solution: just go to http://www.microsoft.com/en-us/download/details.aspx?id=42295 and download:
ENU\x64\SharedManagementObjects.msi for X64 OS or
ENU\x86\SharedManagementObjects.msi for X86 OS,
then i...
PHP: Storing 'objects' inside the $_SESSION
...state. If you use state, you lose the various technical advantages gained by being stateless. This is not something to lose sleep over unless you know in advance that you ought to be losing sleep over it.
I am especially flummoxed by the blessing received by the "double whammy" arguments put fort...
How to execute maven plugin execution directly from command line?
...un, and for whatever reason, the only way I could get it to get recognized by Maven was by following the advice above. Just specifying the goal directly (mvn jasypt:encrypt ...) wasn't enough. Thanks @dimitri-dewaele.
– Mike
Feb 20 at 12:13
...
Identity increment is jumping in SQL Server database
... behaviour due to a performance improvement since SQL Server 2012.
It now by default uses a cache size of 1,000 when allocating IDENTITY values for an int column and restarting the service can "lose" unused values (The cache size is 10,000 for bigint/numeric).
This is mentioned in the documentati...