大约有 40,000 项符合查询结果（耗时：0.0675秒） [XML]
C++ Redefinition Header Files (winsock2.h)
...ass.h and then I'm including MyClass.h in many files, so it includes multiple times and redefinition error occurs. How to prevent?
...
Java : How to determine the correct charset encoding of a stream
...
Here are my favorites:
TikaEncodingDetector
Dependency:
<dependency>
<groupId>org.apache.any23</groupId>
<artifactId>apache-any23-encoding</artifactId>
<version>1.1</version>
</dependency>
Sample:
public static Charset guessC...
M_PI works with math.h but not with cmath in Visual Studio
...am using Visual Studio 2010. I have read that in C++ it is better to use <cmath> rather than <math.h> .
7 A...
How can I archive git branches?
...t. I would like to archive the branches so that they don't show up by default when running git branch -l -r . I don't want to delete them, because I want to keep the history. How can I do this?
...
How to check that an element is in a std::set?
...nyway. Then, of course, it's better to simply compare it to end too.
set< X >::iterator it = myset.find(x);
if (it != myset.end()) {
// do something with *it
}
C++ 20
In C++20 set gets a contains function, so the following becomes possible as mentioned at: https://stackoverflow.com/a/5...
How to query as GROUP BY in django?
...cts.values('designation').annotate(dcount=Count('designation'))
This results in a query similar to
SELECT designation, COUNT(designation) AS dcount
FROM members GROUP BY designation
and the output would be of the form
[{'designation': 'Salesman', 'dcount': 2},
{'designation': 'Manager', 'dco...
List OrderBy Alphabetical Order
...'m using C# on Framework 3.5. I'm looking to quickly sort a Generic List<T> . For the sake of this example, let's say I have a List of a Person type with a property of lastname. How would I sort this List using a lambda expression?
...
How do I make the method return type generic?
...
You could define callFriend this way:
public <T extends Animal> T callFriend(String name, Class<T> type) {
return type.cast(friends.get(name));
}
Then call it as such:
jerry.callFriend("spike", Dog.class).bark();
jerry.callFriend("quacker", Duck.class)...
Pass complex parameters to [Theory]
...rtyData attribute.
You can implement a property that returns IEnumerable<object[]>. Each object[] that this method generates will be then "unpacked" as a parameters for a single call to your [Theory] method.
Another option is ClassData, which works the same, but allows to easily share the '...
“Default Activity Not Found” on Android Studio upgrade
...ght cause this problem because I don't use it.
However, that error: "Default Activity Not Found" seems to be telling you that you don't have an activity declared in AndroidManifest.xml that is marked as the main activity, to be launched when the application starts.
You should have at least one act...