by: Roy Yao |
last post by:
Hello,
I need to pass a pointer to a
callback function to the lower
level modules. But the function
is thought to be a virtual member one.
How can I get the real address of
the virtual...
|
by: heted7 |
last post by:
Hi,
Most of the books on C++ say something like this: "A virtual destructor
should be defined if the class contains at least one virtual member
function."
My question is: why is it only for...
|
by: santosh |
last post by:
Hello,
I was going through the Marshal Cline's C++ FAQ-Lite.
I have a doubt regarding section 33.10.
Here he is declaring a pure virtual destructor in the base class.
And again defining...
|
by: Floogle |
last post by:
how do i create a virtual == operator. I've tried the following but
it's incorrect...
class Interface
{
...
public:
virtual bool operator==(const Interface& rhs)const=0;
|
by: pakis |
last post by:
I am having a problem of pure virtual function call in my project.
Can anyone explaine me the causes of pure virtual function calls other than
calling a virtual function in base class?
Thanks
|
by: ypjofficial |
last post by:
Hello All,
So far I have been reading that in case of a polymorphic class ( having
at least one virtual function in it), the virtual function call get
resolved at run time and during that the...
|
by: eric |
last post by:
hello
i'm confused by an example in the book "Effective C++ Third Edition"
and would be grateful for some help. here's the code:
class Person {
public:
Person();
virtual ~Person(); // see...
|
by: John Goche |
last post by:
Hello,
page 202 of Symbian OS Explained by Jo Stichbury states
"All virtual functions, public, protected or private, should be
exported"
then page 203 states
"In the rare cases where a...
|
by: desktop |
last post by:
This page:
http://www.eptacom.net/pubblicazioni/pub_eng/mdisp.html
start with the line: "Virtual functions allow polymorphism on a single
argument". What does that exactly mean?
I guess it...
|
by: Jess |
last post by:
Hello,
If I have a class that has virtual but non-pure declarations, like
class A{
virtual void f();
};
Then is A still an abstract class? Do I have to have "virtual void
f() = 0;"...
|
by: CloudSolutions |
last post by:
Introduction:
For many beginners and individual users, requiring a credit card and email registration may pose a barrier when starting to use cloud servers. However, some cloud server providers now...
|
by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 3 Apr 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome former...
|
by: aa123db |
last post by:
Variable and constants
Use var or let for variables and const fror constants.
Var foo ='bar';
Let foo ='bar';const baz ='bar';
Functions
function $name$ ($parameters$) {
}
...
|
by: ryjfgjl |
last post by:
If we have dozens or hundreds of excel to import into the database, if we use the excel import function provided by database editors such as navicat, it will be extremely tedious and time-consuming...
|
by: ryjfgjl |
last post by:
In our work, we often receive Excel tables with data in the same format. If we want to analyze these data, it can be difficult to analyze them because the data is spread across multiple Excel files...
|
by: BarryA |
last post by:
What are the essential steps and strategies outlined in the Data Structures and Algorithms (DSA) roadmap for aspiring data scientists? How can individuals effectively utilize this roadmap to progress...
|
by: nemocccc |
last post by:
hello, everyone, I want to develop a software for my android phone for daily needs, any suggestions?
|
by: Sonnysonu |
last post by:
This is the data of csv file
1 2 3
1 2 3
1 2 3
1 2 3
2 3
2 3
3
the lengths should be different i have to store the data by column-wise with in the specific length.
suppose the i have to...
|
by: Hystou |
last post by:
There are some requirements for setting up RAID:
1. The motherboard and BIOS support RAID configuration.
2. The motherboard has 2 or more available SATA protocol SSD/HDD slots (including MSATA, M.2...
|
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