大约有 2,253 项符合查询结果（耗时：0.0149秒） [XML]
SqlDataAdapter vs SqlDataReader
...n a datareader. Just use an iterator block to yield return the DataReader cast as an IDataRecord inside your while (reader.Read()) loop.
– Joel Coehoorn
Nov 4 '09 at 21:57
7
...
Is it possible to determine whether ViewController is presented as Modal?
...is property. And after that, inside the controllers, you will have to keep casting self.navigationController to this custom class every time you need to check if the controller is presented as modal
– Felipe Sabino
Dec 30 '11 at 11:27
...
How to print to console when using Qt
...move_reference<C>::type>::type& no_const(C* c) { return const_cast<typename std::remove_const<typename std::remove_reference<C>::type>::type&>(*c); } Use: no_const(this).method(). You could inject that function as a method into the class, and then you wouldn't even...
getActivity() returns null in Fragment function
...ity is a context so if you can simply check the context is an Activity and cast it if necessary.
@Override
public void onAttach(Context context) {
super.onAttach(context);
Activity a;
if (context instanceof Activity){
a=(Activity) context;
}
}
...
How can we run a test method with multiple parameters in MSTest?
...lt;string> GetProperties()
{
return TestContext.Properties
.Cast<KeyValuePair<string, object>>()
.Where(_ => _.Key.StartsWith("par"))
.Select(_ => _.Value as string)
.ToList();
}
//usage
[TestMethod]
[TestProperty("par1", "http://getbootstrap...
What is the proper way to display the full InnerException?
... @AlexStephens you are right, but only if you have an implicit casting "to string" for some reason, like preceding string: "bla" + exception
– oo_dev
Jun 25 '18 at 11:17
...
Spring RestTemplate timeout
... The above code doesn't work in latest Spring. It gives ClassCastException java.lang.ClassCastException: org.springframework.http.client.InterceptingClientHttpRequestFactory cannot be cast to org.springframework.http.client.HttpComponentsClientHttpRequestFactory
–...
Java switch statement: Constant expression required, but it IS constant
...s except for assignment operators, ++, -- or instanceof, and e) allow type casts to primitive types or String only.
Note that this doesn't include any form of method or lambda calls, new, .class. .length or array subscripting. Furthermore, any use of array values, enum values, values of primitive ...
C++ “virtual” keyword for functions in derived classes. Is it necessary?
...lates, too: allowing to construct from different interfaces allows you to 'cast' between different B<> types.
It's questionable whether you should add support for const A& in t_hello(). The usual reason for this rewrite is to move away from inheritance-based specialization to template-bas...
ASP.NET MVC Ajax Error handling
... Wouldn't a Status code of 500 be kind of wrong? To quote this chap broadcast.oreilly.com/2011/06/… : "Failing to realize that a 4xx error means I messed up and a 5xx means you messed up" - where I is the client and you is the server.
– Chris Nevill
Oct 7 '...