derived Questions
4
Solved
I'm using a vector of pointers to objects. These objects are derived from a base class, and are being dynamically allocated and stored.
For example, I have something like:
vector<Enemy*> En...
2
Solved
I am confused about the differences between redefining and overriding functions in derived classes.
I know that - In C++, redefined functions are statically bound and overridden functions are dyn...
Juniejunieta asked 4/11, 2014 at 20:3
2
Solved
This is regarding Xcode 9.2. I added a framework (local Git repo) to my project, then deleted it when it did not do what I needed it to do. Now when I do a commit there is a popup with the old GIT ...
1
Solved
I am trying to generate encoders and decoders for two case classes:
object EventBusCases {
case class ValuationRequest(function: RequestValue = ALL_DAY_VALS, interval: RequestValue = IntraDayInte...
3
Solved
I am using ANTLR to generate Java source files. I can make Eclipse understand the generated files are derived, but it still gives me warnings about harmless things (e.g. unnecessary imports and so ...
10
Solved
Suppose I have BaseClass with public methods A and B, and I create DerivedClass through inheritance.
e.g.
public DerivedClass : BaseClass {}
Now I want to develop a method C in DerivedClass tha...
2
Solved
According to C++ Singleton design pattern I wrote a singleton template
template <typename T>
class Singleton
{
public:
static T& getInstance()
{
static T instance;
return inst...
2
Solved
I'm having some trouble trying to implement a custom stream class to generate nicely indented code in an output file. I've searched online extensively but there doesn't seem to be a consensus on th...
Henkel asked 12/12, 2012 at 15:10
5
Solved
I am trying to get the derived type of an object via a base class virtual function. I have written this, which does not compile:
struct base {
virtual base& get_this() {
return *this;
}
};
...
3
Solved
I've read through loads of similar questions but haven't found the answer. I'm using Visual Studio 2010 and boost 1.47.
Here's the code, it's complete and compilable:
#include "stdafx.h"
#inclu...
Glassworker asked 15/3, 2012 at 10:41
4
Solved
I am trying to understand the following code. Derived is a derived structure from T and what does "," means and then Fallback {}
template <class T>
struct has_FlowTraits<T, true>
{
st...
2
Solved
I've had some second thoughts on multiple virtual destructors, esp. after reading reading http://blogs.msdn.com/b/oldnewthing/archive/2004/05/07/127826.aspx .
Suppose I have
class Base
{
publ...
Pithy asked 17/11, 2012 at 0:25
4
Solved
I have a Maven Java project, imported using m2eclipse.
The target/ directory is not marked as 'Derived' by m2eclipse.
Problems:
It is validated, so any validation error appear twice. My exampl...
1
Solved
Hi all I have a base class called Vehicle and I have all the properties common to all vehicles in there and I have multiple derived classes called Car, Jeep which derive from Vehicle and add more p...
Diphosgene asked 4/5, 2012 at 21:54
3
Solved
Can someone explain why the result of the code below would be "class B::1" ?
Why does the virtual method of derived class uses the default parameter of a base class and not his own? For me this i...
Cheroot asked 3/6, 2012 at 15:7
3
Solved
I have a virtual base method void Action() that is overridden in a derived class.
The first step in Action is to call base.Action(). If a situation occurs in the base method I do not want the rest...
Caridadcarie asked 28/5, 2012 at 9:4
4
What is the most elegant way to provide an interface in C++ that accepts derived class types that carry with them different data type members that then need to be retrieved later. The example below...
5
Solved
I have a base class and a derived class as bellow
public class animal
{
public string name { get; set; }
}
public class dog : animal
{
public int age { get; set; }
public string type { get; se...
Ebracteate asked 16/12, 2011 at 3:5
2
Solved
I want to define a type name in a templated class that I can use elsewhere to refer to the type of a member in the class.
template <class T>
class CA
{
public:
//typedef typename T::iterato...
3
Solved
My problem in brief:
class A
{
/* Other stuff in my class*/
protected static staticMember;
}
class B : A
{
/* Other stuff in my class*/
// Will have A.staticMember but I want B.staticMember (...
1
Solved
I have this trigger :
CREATE trigger [dbo].[DeriveTheAge] on [dbo].[Student]
after insert,update
as
begin
declare @sid as int;
declare @sdate as date;
select @sid= [Student ID] from inserted;
...
Faint asked 5/9, 2011 at 16:49
2
Solved
I have a program where I need to make a base class which is shared between a dll and some application code. Then I have two different derived classes, one in the dll one in the main application. Ea...
Caveman asked 5/9, 2011 at 11:12
2
There seems to be no good online documentation on this:
If I make a derived class, will it automatically have all the attributes of the base class? But what's the BaseClass.__init() for, do you als...
Overspend asked 18/6, 2011 at 13:45
6
Solved
I have four classes. Request, DerivedRequest, Handler, DerivedHandler. The Handler class has a property with the following declaration:
public abstract Request request { get; set; }
The DerivedH...
Ulcer asked 14/6, 2011 at 22:42
3
Solved
I'm having a problem in C++ with calling a function of a derived class while having a pointer to the base class.
EDIT:
Some answers referred me to CRTP
but my point is that I need to have a point...
Nureyev asked 17/5, 2011 at 5:44
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