return-type
Why can't I explicitly return void from a method?
void run() { ... if (done) return canc开发者_Python百科el(); ... } where cancel() return void. This won\'t compile... and I can almost understand why. But if I want to return a void from a void, why[详细]
2023-04-13 08:53 分类：问答How to return local array in C++?
char *recvmsg(){ char buffer[1024]; return buffer; } int main(){ char *reply = recvmsg(); ..... } I get a warning:[详细]
2023-04-13 05:58 分类：问答How can a SEL, defined to return id, represent a method that returns a double?
In Objective-C there is a type named SEL. It\'s defined like this: id (*SEL)(id self, SEL _cmd,...); but if we make a method whose return type i开发者_运维知识库s double, the id type is not good to[详细]
2023-04-12 17:21 分类：问答variable declaration: why interface
I\'ve been doing some sax parsing in Java recently. I noticed the initialization for namespace mappings[详细]
2023-04-12 06:26 分类：问答C++ template class and return type as a constraint
Sorry for this foolish question, but I\'m quite new to C++. I have a base class called AlertInfoBase in my project. It has some dozens of subclasses. Now I want to have a class template, which will h[详细]
2023-04-11 18:59 分类：问答How can an interface include a method that references the concrete implementation type of the interface in its signature or return type?
Suppose I am designing something like the following interface: public interface MyInterface{ public MyInterface method1();[详细]
2023-04-09 17:46 分类：问答Why should I use Object instead of DataSet as the return type of my WCF Method? [closed]
As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, refer开发者_Go百科ences,or expertise, but this question will likely soli[详细]
2023-04-09 08:06 分类：问答same method, multiple return types. code organization
Let´s say I a have an User class and I want to return all the users in my database. For that i have create a method called getAll();[详细]
2023-04-08 17:09 分类：问答Overriding method with generic return type in Java
When using generics in the return type, I\'m having trouble extending a parent class like following example.[详细]
2023-04-07 22:43 分类：问答How best to modify and return a C# argument?
I need to take a Widget that already has several property values set. I need to change the Widget\'s name.I\'m drawn toward Option 3, but I\'m having a hard time articulating why.[详细]
2023-04-07 07:38 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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