pointers
what good are they? How can they help me...
pointers
They are used to point. |:
Originally Posted by Void
They are used to point. |:
Oh, sorry, it's 3:30 AM.. I can't think straight right now.
Originally Posted by Void
Oh, sorry, it's 3:30 AM.. I can't think straight right now.
Originally Posted by Auxilium
They are good for indirectly accessing things
Originally Posted by VvITylerIvV
I know what you mean... Earlier in the day I'm nice... then at night I can be a bit of a b****
which would be helpful how?
which would be helpful how?
Originally Posted by Auxilium
They are just beneficial. Programming pretty much needs pointers. Just read more on it because i dont want to explain
see I can halfthink while I'm halfasleep.They are good for indirectly accessing things
Ill explain a few reasons.
1.Accessing class member data
2.Accessing data on the free store
3.Passing variables by reference to functions
1.Accessing class member data
2.Accessing data on the free store
3.Passing variables by reference to functions
Originally Posted by Auxilium
Ill explain a few reasons.
1.Accessing class member data
2.Accessing data on the free store
3.Passing variables by reference to functions
1.Accessing class member data
2.Accessing data on the free store
3.Passing variables by reference to functions
(just learning about classes... I guess you started learning a few days before me) Originally Posted by VvITylerIvV
oh, thanks (just learning about classes... I guess you started learning a few days before me)
(just learning about classes... I guess you started learning a few days before me)You point at say, the game's HEALTH variable. You tell your program to change it to 100.
That's an example.
That's an example.
Originally Posted by freedompeace
You point at say, the game's HEALTH variable. You tell your program to change it to 100.
That's an example.
That's an example.
Pointer is just a way of getting access to memory without using the variable it self.. in programming a common way of using that is by changing a var value without actually using it, all this by using it's reference. (address)
edit:
a good example here:
[php]#include <iostream>
using namespace std;
void person(int *age) // *age is a pointer
{
*age = 20; //pointing to personAge
}
int main()
{
int personAge;
person(&personAge); //this is passing var reference
cout << personAge;
return 0;
}[/php]
output:
Code:
20
Originally Posted by 'Bruno
pointers are not necessarily used for hacking.. and its called pointer because in that case it is pointing to the memory address (ex: 0x0001337) which contains in it the value of health.
Pointer is just a way of getting access to memory without using the variable it self.. in programming a common way of using that is by changing a var value without actually using it, all this by using it's reference. (address)
edit:
a good example here:
[php]#include <iostream>
using namespace std;
void person(int *age) // *age is a pointer
{
*age = 20; //pointing to personAge
}
int main()
{
int personAge;
person(&personAge); //this is passing var reference
cout << personAge;
return 0;
}[/php]
output:
Pointer is just a way of getting access to memory without using the variable it self.. in programming a common way of using that is by changing a var value without actually using it, all this by using it's reference. (address)
edit:
a good example here:
[php]#include <iostream>
using namespace std;
void person(int *age) // *age is a pointer
{
*age = 20; //pointing to personAge
}
int main()
{
int personAge;
person(&personAge); //this is passing var reference
cout << personAge;
return 0;
}[/php]
output:
Code:
20
Originally Posted by VvITylerIvV
OK... so indirect access would be helpful when I am using a function and require the function to change the value of the variable?
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