大约有 32,000 项符合查询结果（耗时：0.0365秒） [XML]
What's wrong with nullable columns in composite primary keys?
...
Primary keys are for uniquely identifying rows. This is done by comparing all parts of a key to the input.
Per definition, NULL cannot be part of a successful comparison. Even a comparison to itself (NULL = NULL) will fail. This means a key containing NULL would not work.
Additonally, NULL is al...
Download file from an ASP.NET Web API method using AngularJS
...he requested file simply by using the code below, and this is supported in all browsers, and will obviously trigger the WebApi request just the same.
$scope.downloadFile = function(downloadPath) {
window.open(downloadPath, '_blank', '');
}
Ajax binary download method:
Using ajax to downlo...
Understanding checked vs unchecked exceptions in Java
.... these that you should explicitly catch or rethrow) should not be used at all. They were eliminated in C# for example, and most languages don't have them. So you can always throw a subclass of RuntimeException (unchecked exception)
However, I think checked exceptions are useful - they are used whe...
CURL to access a page that requires a login from a different page
...he path parameter (/a in this case) and it is not forwarded to the second call. If I edit the cookie in the file and put a slash only, it works (cookie forwarded to the second call). Do you know if it's possible to prevent the storage of the path in the cookie file?
– рüфф...
How to check SQL Server version
...ndows NT 6.1 <X64> (Build 7600: )
As you can see, this entry gives all the necessary information about the product, such as version, product level, 64-bit versus 32-bit, the edition of SQL Server, and the OS version on which SQL Server is running.
Method 4: Connect to the instance of SQL Se...
Detach (move) subdirectory into separate Git repository
...br2 br3; do git branch -t $i origin/$i; done
git remote rm origin
or for all remote branches:
cd /ABC
for i in $(git branch -r | sed "s/.*origin\///"); do git branch -t $i origin/$i; done
git remote rm origin
Now you might want to also remove tags which have no relation with the subproject; you ...
How do I make calls to a REST api using C#?
...and this thread is one of the top results when doing a Google search for "call restful service c#".
Current guidance from Microsoft is to use the Microsoft ASP.NET Web API Client Libraries to consume a RESTful service. This is available as a NuGet package, Microsoft.AspNet.WebApi.Client. You will n...
Paging in a Rest Collection
...on by design may be partial, and is returned with a status 200, and potentially paging links). See RFC 4287 and RFC 5005.
share
|
improve this answer
|
follow
...
Easily measure elapsed time
...td::chrono::microseconds>(end - begin).count()
– sqp_125
Nov 5 '18 at 10:07
|
show 4 more comments
...
How do you get assembler output from C/C++ source in gcc?
...@Paladin - Not necessarily. The OP was about getting the assembler output equivalent of the C/C++ source code, this gets the Listing, which I agree is more useful for understanding what the compiler and optimizer is doing. But it would cause the assembler itself to barf, as it is not expecting the l...