C++ :: Are Reference And Address Same
Aug 2, 2014Are Reference and Address same or Different?
View 10 Replies
ADVERTISEMENT
C++ :: Converting Reference Address To Character String
Jun 15, 2014I'm wanting to convert the reference address held by a pointer into a character string, combine the hexes into a single unsigned long int(using bitwise operators )so I can use the 32bits in conjunction with a separate algorithm to develop a more efficient, but less 'random', number, or should I say bit, generator that I'll be using in a Neural Network, with Genetic Algorithms used to modify the weights.
View 5 Replies View RelatedC++ :: Finding The Address Of A Bitfield
Aug 14, 2013So I obviously can't take the address of a bitfield, but is there a way to get the address of the field holding the bitfield? What I'm trying to do is find the address of the parent field of a bitfield in a class. For example
Code:
class Foo
{
public:
int a;
int b : 4;
int c : 28;
[Code] ....
My goal is to get the offset address of the int storing c in class Foo. But offsetof uses the address of c, so I get a compile error since c is a bitfield. What I wanted as output from the above would be "4", since an int is 4 bytes (on my system). So the int holding both b & c starts 4 bytes from the start of the Foo class. Is there any way to do this in c/c++?
C++ :: Output Is Showing Address Instead Of Value
Dec 7, 2013I've run across this issue before, but for the like of me, I can't figure out what keeps causing it. The problem compiles and runs as expected; however in the salaried object (Employee #1 in main.cpp) the console displays the number of vacation days as -858993460 instead of the value entered.
The parent Employee class is abstract with calculatePay() and displayEmployee() being pure virtualls and with a Benefits, Salaried, and Hourly class derived from it.
The Salaried displayEmployee() and the portion of the Main.cpp that contains the salaried object follows. What causing this?
Salaried displayEmployee()
Code:
void Salaried::displayEmployee()
{
cout << endl;
cout << "Employee Information" << endl;
cout << "----------------------------------" << endl;
cout << "Employee Name: " << setw(7) << FirstName << " " << LastName << endl;
cout << "Gender: " << setw(12) << Gender << endl;
[Code] .....
C :: Display Address Of A Pointer
Jan 31, 2014I've got a problem with a piece of code that it doesn't seem to work anymore.
Code:
#include <stdio.h>
#include <conio.h>
main () {
[Code] ..... i
I chose a to be 5 and it displays the following:
"Type a value for a:
5
5 in octal is: 5
5 in hexadecimal is: 5
Process returned 23 <0x17> execution time : 1.031 s".I first saw this when trying to display the address of a pointer. Am i missing something? I used to run this code on dev-c++ successfully but after a day or so of practice, it's not working anymore. I switched from dev-c++ to code blocks.
C# :: Parsing String Into IP Address
Oct 1, 2012So im trying to parse a string into a Ip Address but i have a problem, the IPAddress.Parse method only works for ipv4 address's how do i parse ANY Ip address into a string, if i use the IPaddress.Parse method on my public(remote) IP it throws an exception but on ipv4 local ip it doesn't how do i parse ANY ip address the user inputs as a string as an Ip Address?
View 5 Replies View RelatedC++ :: Program That Will Display Name / Address And Age?
Jun 21, 2014C++: write a c++ program that will display your name, address and age..
View 3 Replies View RelatedC++ :: Store Address Of Objects
Oct 27, 2014I'm using the SDL library and trying to match the C++11 standards... Anyway, I thought about a vector where I store all the addresses of game instances, so I can access them anytime... I tried with this function:
int instance_new(std::vector<uintptr_t> &instance_id, unsigned &instance_size, Instance *pointer) {
instance_id[instance_size] = reinterpret_cast<std::uintptr_t>(pointer);
instance_size++;
instance_id.resize(instance_size);
return 0;
}
Where "Instance" is the 'parent' class of various child classes like the player. So, if I have to search the existing of a thing in my game, I should check if the address references to an instance of class. How can I do this?
C++ :: Displaying Address Of Character?
Feb 20, 2013When this programs runs it displays odd symbols for the address of the character. This is only part of the program, I took out the parts that already work.
#include <iostream>
using namespace std;
char again;
[Code].....
C/C++ :: Function To Return Either Value Or Address Of That Value?
Feb 1, 2015I'd like a function to return either a value or the address of that value by the users input. So he can call the function like:
function("adress") - gets an adress, or function("value") - gets the value
I've tried both function overloading and templates, but none of them worked. He might input a character for the address and an int for the value... but...
Another strange thing that i observed is that the value returned by the function below is 0, so the output is address 0.
class testing
{
public:
static int x;
[Code].....
C++ :: Why Can't Take The Address Of Operators For Primitives
Apr 3, 2013Why can't I take the address of operators for primitives?
#include <iostream>
#include <string>
int main()
{
{
std::string (&plus)(std::string const&, std::string const&) = &std::operator+;
std::string a ("Hello, "), b("World!");
std::cout << plus(a, b) << std::endl;
[Code]...
[URL]....
I'm using this functionality in a templated class, do I really have to specialize for primitives or use std::enable_if?
C/C++ :: IP Address To Binary Conversion
Mar 10, 2014Converting an IP address to a binary number? As in the entire thing 123.45.555.49 to it's binary equivalent.
View 14 Replies View RelatedC# :: Changing IP Address On Controller LED
Jul 2, 2014I have a C-Power5200 driver. I want using the C# language change to the controller's IP address.
Here a link to the website and API.C-POWER 5200
In Annex API controller.
C/C++ :: Address Of Integer Variable
Nov 25, 2014Consider the below initialization of x.
int x = 0x01234567;
If x is stored in RAM as given below, what would be the address x in both case?
(if image is invisible please follow this link)
Assume that size of integer is 4 byte.
C Sharp :: How To Get A Device Name For A Given Ip Address
Aug 13, 2013I need to get the network device name for the given ip address..
I tried with dns.getHostByaddress but it didn't worked..
C/C++ :: Find The Address Of Function?
Oct 14, 2012find the address of function? mail the ans on (email removed)
View 4 Replies View RelatedC/C++ :: How To Print The Value At Memory Address
Nov 20, 2012I have written a C program without variable. And I want to print the value at that memory location.How to print that value?
code is like:-
int main()
{
printf("Enter value:");
scanf("%d",1245024);
/* how to print the value here */
return 0;
}
C/C++ :: How To Take Address Of Member Function
Oct 23, 2013I want to take address of a member function in c++. How to do this.
View 2 Replies View RelatedC++ :: How To Get The Address Of 1st Node In List
May 16, 2015Reversing Linklist using Stack. I have created linklist using <list> STL. Now I want to push address of each node in Stack. For that I want address of 1st node so that I will assign it to "temp" and I can use following loop.
HTML Code:
while (temp != NULL)
{
s.push(temp);
temp = temp->next;
}
But I am not getting address of 1st node. I tried function l1.front() which gives 1st element but not address.
C++ :: Why Return Values From A Function By Ref Address
Feb 5, 2014You can return values from functions by ref, address or value you can also do this with parameters, so what is the difference, if you have full return of a passed parameter by ref or address why would you need to ever return the function as a whole?
For ex
Code: int nValue(int& y){
y++;
}
or int& nVlaue(int y){
return y;
}
C++ :: Address Book - Add / View Entries
Sep 3, 2014This program is an address book where you caan add/view entries. I'm having a problem printing out entries. Why the information isn't getting saved into the structure array?
Code:
#include <iostream>
#include <string>
using namespace std;
struct contactinfo
[Code] .....
C :: Valid Email Address Check
Jul 13, 2013Now I have to write a code which would determine whether an Email address is valid or not.
In my exercise a valid address should look like this : ___@___.___.il (___ for any letters)
E.g. Valid address:
something @ something . something . il Invalid: tami @ jce . ac . uk
(without spaces of course)
Code:
#include <iostream>
#include <string.h>
using namespace std;
int isValid (char s[]) {
int length=strlen(s), ind1=0, ind2=0;
[Code] ....
It doesn't work well. It says both addresses are wrong when the 1st one isn't.
C :: Is NodePtr Store Address Of Structure
Feb 1, 2015I'm reading through a data structure textbook. I'm doing the part of Linked list. here's the code from the textbook:I'm not clear with pointer.what I'm confused is that the code created a pointer to the structure (*NodePtr)
Q1. Is NodePtr store the address of the structure??
Q2. Are top, np, last address of the structure??
Q3. here.....NodePtr makeNode(int);... does it returns an address of the structure which is np?? but following part np is used as a pointer??
Code:
#include <stdio.h>
#include <stdlib.h>
typedef struct node{
int num;
struct node* next;
}Node, *NodePtr;
}
[code]....
C :: How To Use Two Dimensional Array To Store Address
Apr 11, 2014I am working on an assignment for class: Create a program that allows a user to enter up to 10 addresses of friends. Use a two dimensional array to store the address of friends. After each address is entered, the user should have the option to enter another address or print out a report that shows each addresses entered thus far. I have created a code that is coming up without errors, but i am not getting the desired results.
Code:
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
int main ()
{
char name[10][10] = {0};
char address[10][10]= {100};
int choice;
[Code]....
My trouble is coming from the the output. I am able to fill the array but i am not able to print my desired results. Where am I losing it in the loop? Also after my first entry if i have space in the "address" input the program prints and ends.
C :: How To Get Address Returned By Malloc Function
Dec 6, 2013So, I'm in the midst of implementing my own malloc() and free() functions, but I'm having a hard time with the syntax of getting the address that malloc returns. Whenever I check the address, it's 0 Here's the code:
Code:
char *word = malloc(10);
int address = *word;
printf("%d",address);
The reason I want the address is so that I could store it in a data structure for further usage when I'm dealing with different cases for the free() function. Or is there another way to do this?
C :: How To Collect Memory Address Of Day To Day Workload
Jan 14, 2014I am working on something that requires the memory address of my computers workload.. collect the trace files? and what trace file as well..
View 2 Replies View Related