大约有 6,261 项符合查询结果（耗时：0.0237秒） [XML]
Can a C++ enum class have methods?
...s inspired by the pattern we used before C++11 to get scoped enums:
class Foo {
public:
enum {BAR, BAZ};
};
However, that's just syntax. Again, enum class is not a class.
share
|
improve this a...
Rails: how do I validate that something is a boolean?
...
This does not work, as any string eg, "foo" will be converted into true.
– Ka Mok
Jun 4 '18 at 22:55
add a comment
|
...
How to export data as CSV format from SQL Server using sqlcmd?
...
sqlcmd -S myServer -d myDB -E -o "MyData.txt" ^
-Q "select bar from foo" ^
-W -w 999 -s","
The last line contains CSV-specific options.
-W remove trailing spaces from each individual field
-s"," sets the column seperator to the comma (,)
-w 999 sets the row width to 999 char...
Guards vs. if-then-else vs. cases in Haskell
...
E.g. case (foo, bar, baz) of (True, False, False) -> ...
– dflemstr
Feb 19 '12 at 12:11
...
Best way to convert IList or IEnumerable to Array
...Enumerable doesn't have a ToArray extension method, so you can't just call foo.ToArray<object> or anything like that.
– Jon Skeet
Jul 29 '10 at 14:19
22
...
Convert char to int in C and C++
... answered Feb 17 '11 at 14:16
Foo BahFoo Bah
22k55 gold badges4545 silver badges7777 bronze badges
...
Angularjs ng-model doesn't work inside ng-if
...
then i have ng-model="$parent.$parent.foo because I'm already inside a scope with an ng-repeat -- is this really the best way?
– chovy
Nov 25 '13 at 3:58
...
How do I mock the HttpContext in ASP.NET MVC using Moq?
...pGet(x => x.HttpContext.Request.ApplicationPath)
.Returns("/foo.com");
sut.ControllerContext = mockControllerContext.Object;
// Act
var failure = sut.Index();
// Assert
Assert.IsInstanceOfType(failure, typeof(ViewResult), "Index() did not retu...
How do I run a Ruby file in a Rails environment?
...he terminal"
task create_user: :environment do
User.create! first_name: "Foo", last_name: "Bar"
end
And then in the terminal run:
rake example:create_user
Locally this will be run in the context of your development database, and if run on Heroku it will be run while connected to your produc...
How to RedirectToAction in ASP.NET MVC without losing request data
...e-render of the invalid form. It goes something like this:
var form = new FooForm();
if (request.UrlReferrer == request.Url)
{
// Fill form with previous request's data
}
if (Request.IsPost())
{
if (!form.IsValid)
{
ViewData["ValidationErrors"] = ...
} else {
...