I keep getting an error saying ui.h:30: error: 'class BTree<Word>' has no member named 'prntInOrder' I have no line 30 in my ui.h but if i count the lines from the .cpp as if they were attached to the .h i find the call to the BTree printInOrder()
here is my ui.h
Code: #pragma once #include "btree.h" #include <fstream> #include <iostream> using namespace std;
[Code].....
As you can see the printInOrder() function is there so would it not see it?
Error:
Code: ui.h: In member function 'void UI::go(std::string)': ui.h:30: error: 'class BTree<Word>' has no member named 'printInOrder'
I have attached my code below and I am stuck in what to do next to make an instance of the dateCls so I can use the instance to assign the open date. By instance I mean like create an instance of the class, like this: dateCls myFirstInstance; And everything in the dateCls I can access through the . operator. So far my code looks like this..what I should do? Lastly, I am using derived data from I think the bankAccountCls.
I am studying this sample code for linked list class node implementation. I am not 100% sure how this code keeps track of the head node. Here's what I know so far, and if you want to add/correct anything feel free to do so:
class Node { public: Node(); // constructor of class node without arguments Node(int, Node*); //constructor with arguments of int type and a pointer node type Node* next() const; void setNext(Node*); //member fun, returning a pointer of node type void setKey(int);
In file included from /usr/lib/gcc/i686-redhat-linux/4.5.1/../../../../include/c++/4.5.1/bits/ios_base.h:43:0, from /usr/lib/gcc/i686-redhat-linux/4.5.1/../../../../include/c++/4.5.1/ios:43, from /usr/lib/gcc/i686-redhat-linux/4.5.1/../../../../include/c++/4.5.1/ostream:40, from /usr/lib/gcc/i686-redhat-linux/4.5.1/../../../../include/c++/4.5.1/iostream:40, from player1.cpp:3: /usr/lib/gcc/i686-redhat-linux/4.5.1/../../../../include/c++/4.5.1/bits/locale_classes.h:45:1: error: expected unqualified-id before "namespace"
What does it mean? I am working on classes and this error comes when I run the implentation of my class file.
//Implimentation of class player1 (player.cpp) #include "player1.h" #include <iostream> //using namespace std; void player1 :: Set_Name()
RAT(RAT_INT num = 0, RAT_INT den = 1){ Num = num; Den = den;
[Code].....
Two questions: 1) In the second line in main, how does C++ know to convert 2 to the appropriate RAT? 2) Is it possible to make the third line in main valid without adding global operators for all the member operators to support plain integers?
I understand why you cant define them but why cant you name them. Or is it that you must always define them in order to name them?
Why do I have to always use a pointer???
Or is it that dynamically allocated variables on allocate space for a type to be stored and not really the variable itself so you must use a pointer???
I'm getting this error in the 'my_free' function here "bp->s.size += p->s.ptr->s.size;" and "p->s.size += bp->s.size;" here. This doesn't make sense to me because it seems to be the correct way to access the union, and In the "my_malloc" function I use a similar call "p->s.size = nunits;" and that works fine.
Im writing a scientific software where I like to sent a 2D array (5x4) over a named pipe from a server to a client. When im sending a static array (i.e., double res[5][4];), all goes fine and it works perfect, but when I allocate a dynamic array, it provides some nonsense numbers at the client side. I feel it might be caused because I point to a memory that cannot be shared through a pipe. Am I right and how can I pass the dynamic allocated array itself over the pipe.
//Server program
// Create a pipe to send/receive data HANDLE pipe = CreateNamedPipe( "\.pipemy_pipe", // name of the pipe PIPE_ACCESS_DUPLEX, // 2-way pipe -- send and read PIPE_TYPE_BYTE, // send data as a byte stream 1, // only allow 1 instance of this pipe 0, // no outbound buffer
// this program gives random number output #include <iostream> #include <cstdlib>// contains function protype for rand #include <iomanip>// for setw using namespace std;
[code]....
what is the effect on output of program of different numbers input to the int data type named seed*/
I'm trying to write to a named pipe created by a service, as we all know the session 0 isolation implemented in vista and forward makes this task a bit complicated.
well at this point i managed to make almost all to work but my real problem comes when i try to write on the named pipe from my GUI application with no administrator rights
If i run the GUI application with admin rights it works 100% but, I don't need that application to require the user admin rights and for security reasons i rather to leave it without admin...
so i started my research and i found that there is a way to achieve this by calling CreateNamedPipe() with a low integrity security attributes...
well how to implement but i finally made it, the problem is that it gets worse than passing null security attributes, it works with admin rights with NULL security attributes, but when i pass the low integrity security attributes it gives "access denied" even when using admin rights, so i guess im passing the wrong security attributes but how to manually create the security descriptor string.
I have to develop minimalistic implementation of RSA algorithm in C for an embedded device.
I'm doing that for two days but I have run into a problem. The N modulus is the limitation for the maximum message value to be encrypted with RSA.
For example theoretically RSA-1024 can encrypt/decrypt messages 1024 bits long but I still cannot understand how to choose p and q values to produce N == pow(2, 1024).
Is it possible to encrypt/decrypt 1024 bits long messages in practice if the N < pow(2, 1024)?
I was trying to implement Big Integer Implementation. I wanted to start with the basic operation of addition. I am having some problems with operator overloading part
I was looking at this tutorial: [URL] ..... And I was wondering if implementing it in MVC would be pretty much the same way? How would I display feed items in the views page using?
I tried something like:
ReaderModel Reader = new ReaderModel(); Collection<Rss.Item> List; List = Reader.GetFeed(); ViewData["RssItems"] = List;
// then in index.cshtml @foreach(Collection<Rss.Item> items in ViewData["RssItems"]) { <h3>items.Title</h3> ... }
I don't think this is right as I'm getting those red error lines...
I've been working on creating a simulator to crash two galaxies together as part of a project to stress test a CUDA super computer. I've got a long way to go and am currently just working on correctly simulating n-body gravity functions. First I will use this to simulate the cores of the galaxies (the black holes) and eventually the stars.
So long story short I'm working on the beginnings of a gravity simulator. At this point I found some basic code that works well but doesn't quite give the effect I'm looking for.
The code below only pulls each object towards each other like a spring faster and faster until they shoot off into infinity. I try to give one of my bodies an initial velocity to get it to orbit another, but it always just shoots straight at the other body. I'm thinking I need to factor in inertia so that the initial velocity doesn't just get calculated away really fast by the other calculations.
I'm really looking for a bit of direction to get a real gravity simulator with orbits and such working right so eventually I can scale it up to a galaxy, throw in 100B stars and let the CUDA run for a month..
As you can see, I'm calculating all the bodies in a vector called "galaxies" with each other, and doing a basic gravity calculation to it. The update_position function simply takes the calculated acceleration and uses it to calculate the velocity and position based on the "elapsedTime".
I think I need to use the Varlet or Runge-Kutta integration methods, after doing a bit more research.
Output to terminal: 0 2 3 1 4 5 but it should be: 0 2 4 5 3 1
Here's my code:
#include<stdio.h> #include<assert.h> /* maxVertices represents maximum number of vertices that can be present in the graph. */ #define maxVertices 100 void Dfs(int graph[][maxVertices], int *size, int presentVertex,int *visited)