Questions tagged [members]
175 questions
1
vote
9 answers
Is it better to store class constants in data members or in methods?
I recently wrote a class that renders B-spline curves. These curves are defined by a number of control points. Originally, I had intended to use eight control points, so I added a constant to the class, like so:
class Curve
{
public:
static…

fluffels
- 4,051
- 7
- 35
- 53
1
vote
0 answers
VC2010 Change Auto List Members
Anyone know how to change the Auto List Member highlight from yellow to whatever? I'm currently using the VC2010 C++ edition. Its difficult to see the highlight vs my other font colors. Thanks :D

Saith
- 11
- 1
1
vote
0 answers
Pointer to member function with move semantics
I've just came upon a strange construct:
void (std::thread::*&&)()
I know it is a sort of a pointer to a class member function. But how to interpret the '&&' operand? What is the meaning of this?

def
- 521
- 4
- 16
1
vote
2 answers
How to dynamically add members to class
My question can be simply illustrated by this code:
def proceed(self, *args):
myname = ???
func = getattr(otherobj, myname)
result = func(*args)
# result = ... process result ..
return result
class dispatch(object):
def…

Willy aTan
- 13
- 3
1
vote
1 answer
Check some members are not null
I have a class with about 20 members and I have a method to validate that 10 specific members are not null. At first I thought none of them could be null so I was doing a for loop through this.getClass().getDeclaredFields() but when I learned that…

coconut
- 1,074
- 4
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1
vote
7 answers
C++ class members
I came from Java to C++ ...
When I try to do this ...
class Box {
Table* onTable;
};
class Table {
Box* boxOnIt;
};
int main() {
Table table;
Box box;
table.boxOnIt = &box;
box.onTable = &table;
return 0;
}
the…

Mustafa
- 931
- 1
- 13
- 26
1
vote
1 answer
Struct sorting with different members
I'm trying to do a project... The project needs to read from a csv file that have contacts.
The contacts have several fields that I read to an array of structs of type contact.
Ex: array.contactFirstName, array contactLastName, etc.
Here is some…

César Penha
- 11
- 2
1
vote
1 answer
MDX - Concatenate level's properties and level's members
I an using mondrian and I have this issue: using a query mdx I need to concatenate in each member name belonging to a certain level, its name and a the value of a certain level properties for that member.
Something like CurrentMember.Name =…

user527820
- 11
- 2
1
vote
1 answer
C++ Keep tracks of changes inside a class
Imagine a class representing a mail :
class mail {
string subject;
string content;
date receivedDate;
};
Now what I want to achieve is to know if my mail data is set, and once they're set, which ones where changed. I could go with a…

Louka
- 152
- 10
1
vote
1 answer
Wordpress: Capabilities Custom Post type delete_post is not working
I'm using Custom Post Type and "Members" plugin in wordpress.
My problem is that in my custom post type I can't delete posts, the link to move to trash is not there :(
Here is my code:
'capabilities' => array(
'edit_post' =>…

curosio
- 78
- 10
1
vote
4 answers
Disallow fields in descended class C++
With a friend, we had following problem recently. There was a base class:
class A {
public:
A() : foo(10) {}
virtual int getFoo() const { return foo; }
protected:
int foo;
};
A friend implemented a class deriving from the one…

GiM
- 460
- 4
- 13
1
vote
1 answer
C++ Set values for members of a struct**
I've defined in my foo.h the following variables
#define APILONG long
#define APIDOUBLE double
#define APISTRING const char*
And also the following struct
struct SetupData
{
APISTRING customerName;
…

David A.
- 83
- 1
- 15
1
vote
3 answers
Get the sizeof Object's Members
There is an object who's members I need to find the size of. I am specifically asking for the object's size without it's v-table considered. Also, I cannot modify it, so I cannot take advantage of this answer.
Is there a provision for this in C++,…

Jonathan Mee
- 37,899
- 23
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- 288
1
vote
3 answers
this->member VS member in C++
what is the difference between this:
int MyClass::getId() {
return this->id;
}
and this:
int MyClass::getId() {
return id;
}
in C++?

Accumulator
- 873
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1
vote
2 answers
Template object as static member of the template class
Imagine the following template class (setter and getter for the member _t omitted):
template
class chain
{
public:
static chain NONE;
chain()
: _next(&NONE)
{}
~chain() {}
chain& getNext() const
{
return *_next;
…

Mephane
- 1,984
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