superclass
c++ get base class object from derived class pointer?
Suppose I have Derived* derivedPtr; I want Base baseObject from the derivedPtr; Base baseObject = *derivedPtr; would create the baseObject with the appropriate Base class member variables?[详细]
2023-02-18 02:40 分类:问答C# viewmodel: model --> Can't get typecasting working
I am creating a linq-to-sql model with EF, and have a class that works well, however, I want to be able to make additions to the class and not have them overwritten when I make changes with EF, so I b[详细]
2023-02-14 06:53 分类:问答Is it possible to have a variable with specific class reference type in AS3?
Coming from a Delphi background, I am used to be able to have class references/pointers of a specific superclass, example:[详细]
2023-02-11 10:07 分类:问答JAX-RS & CXF map request to method based on XML
Hopefully I got the title right, but I\'m trying to map requests using JAX-RS @Path annotations to different methods based on the entity parameter.[详细]
2023-02-08 17:05 分类:问答Creating a superclass that incorporates a HyperLinkistener and a MouseAdapter
I have one class called HyperlinkEventMonitor that implements a HyperlinkListener.I want to extend this class so that it handles both hyperlink events and mouseevents.I tried creating a superclass but[详细]
2023-02-07 23:06 分类:问答linking library class to an extended class and baseclass
The use of library classes confuses me once again. I have the following situation: package com.op_pad.pages[详细]
2023-02-06 00:01 分类:问答Super constructor in java
Please explain public class Contact { private String contactId; private String firstName; private String lastName;[详细]
2023-02-04 23:53 分类:问答How do I change subclass' variable from superclass?
For some time now I have been making a very easy game for iPhone in flash using as3. Recently I came in contact with a small problem, which is why I am posting this![详细]
2023-02-02 12:09 分类:问答Why can't the super constructor be invoked from an enum constructor?
public enum A { A(1); private A(int i){ } private A(){ super(); // compile - error // Cannot invoke super constructor from enum constructor A()[详细]
2023-02-01 05:35 分类:问答Avoid "[superclass] may not respond to [selector]" warning without incurring LLVM's "Cannot cast 'super'" error
I have the following code in an NSView subclass: - (id)forwardingTargetForSelector:(SEL)aSelector { if ([super respondsToSelector:@selector(forwardingTargetForSelector:)]) {[详细]
2023-01-31 08:21 分类:问答