51,593 Topics
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| | Hi, Im trying to run this program using dynamic memory i cant seem to get it to keep running it crashes on me. I have the working program so the code is correct im just haveing trouble trying to convert it correctly. Thank You, [CODE]#include <iostream> #include <fstream> using namespace …  |
| | hey guys, I am a beginner and am having trouble loading data from an external data file and then loading it to the screen. It is supposed to be the temperatures from everyday for a year for 2 years. 1 column is 1930 the other 2000 This is my script, …  |
| | Ok, so I have most of the code working but I've been up for over 24 hours and I just cannot seem to get the test score to come out. Here's my code, hopefully someone with fresh eyes can spot my error, I know it has to be something simple … |
| | [CODE]void BinarySearchTree::inorder(tree_node* p) { if(p != NULL) { if(p->left) inorder(p->left); cout<<" "<<p->data<<" "; if(p->right) inorder(p->right); } else return; } [/CODE] This sample of code works fine if I use it to test valuables that are primitive, example: integer I wanted to be able to transform that, so, if for example … |
| | My program runs, but I am getting this message which I am fairly sure means that I have a memory leak and it is coming from my destructor. Assignment2(779) malloc: *** error for object 0x100100120: pointer being freed was not allocated I don't know what I am doing wrong. Since … |
| | what does error code -25922 means.. it is coming as a value of error in my programs line error = sPSActionControl->Play(&result, eventMake, desc000001B0, plugInDialogSilent); i want to know what this error code stands for.. please help me |
| | I need to make UI in C# that works with an SQL DB. I thought piece of cake! I imported my DB files to the Visual Studio (add->existing item ->browes and add) I dragged the tables to my Forms & there were automaticly buttons like New, Delete, Save, next record,previous …  |
| | I'm trying to move functions that I have created in my .h files into the .cpp files of my winForm application. I don't really know how to get this to work. Example code in .h: [CODE]void loadCustomerDetails() { SQLiteConnection^ ObjConnection = gcnew SQLiteConnection("Data Source=SwiftService.db3;"); SQLiteCommand^ ObjCommand = gcnew SQLiteCommand("SELECT * …  |
| | Hello! This is my first time attempting to get help but, alas, I'm desperate! I have been working on this program for a class (and it's due at midnight). I can't seem to grasp moving data in and out of arrays using nested for loops. it's a matter of entering … |
| | Hi, I am writing a simple program modeling client/server interaction. I want the server to be capable of handling multiple connections. To implement this, I have been using _beginthreadex, passing references to sockets to the child thread. For example: [code]while(1) { SOCKET sClient = accept(ListenSocket, NULL, NULL); ... child = … |
| | Hi all, I've built a Queue class which basically uses dynamic memory allocation to make an array grow with every new element inserted. It compiles and works perfectly under dev c++, but when I included the class in a VC++ 10 Express project and instantiated an object from it, the … |
| | ive been told to put all my sql statement together but i jus keep getting lots of errors with local variables in my vc++ project. sql.h[CODE]#ifndef __SQL_H__ #define __SQL_H__ #include "stdafx.h" #include <iostream> #include <string> using namespace std; using namespace System::Data::SQLite; using namespace System::Data; using namespace System::Windows::Forms; using namespace System; …  |
| | I am using Visual C++ Express Edition on Windows, and I am look at the windows task manager and I noticed that every second, in the process tab the memory of my C++ program increases about 8 K when I am not even doing anything. Also, I've noticed that if … |
| | what does it mean by "error: expected unqualified-id before '=' token|" "|error: `i' was not declared in this scope|" "error: `cout' was not declared in this scope|" "error: `endl' was not declared in this scope|" for this code. int main() { for(int = 1; i < 100; i += 2) …  |
| | Ok, so I want to create an alternate way of creating this: *________* **______** ***____*** ****__**** ********** ****__**** ***____*** **______** *________* Note: The right side is supposed to lookjust like the left side. Note 2: Replacing the underscores with asterisks(*) This is the code I have so far, but I …  |
 | I wanted to make a program to help me find the locations of some double valuse in current process memory. I found some code snippets to study, but Im failing at the first hurdle. First let me be clear that I am not the author of the below code, but … |
| | Hello, I really could use some help with this hangman program. I have searched all over the internet to find an answer that i can understand. I'm a beginner at C++ programming. This program prompts the user to enter a phrase. then you guess letters. if a letter is wrong … |
| | /*My problem is on line with outdata1<<A3[p]<<endl; its says no operator found, help would be much appreciated*/ #include <iostream> #include <fstream> #include <string> using namespace std; struct Data { string salesperson; string style; double price; int quantity; }; int x; int y; int i=0; struct Data A1[100], A2[100], A3[100]; int … |
 | Hi I have never used vedctors before so I am just wondering if this is correct or not. If not, would you mind showing me the correct way to use it? [CODE]cout << fixed << setprecision( 2 ); vector < Employee * > employees( 4 ); employees[ 0 ] = … |
| | Hello, I am trying to develop a program that will not show untill a boolian is set to [ICODE]false[/ICODE], but I am having trouble making the code work. Here is the code I am using to start the program; [CODE]#include "stdafx.h" #include "Form1.h" using namespace Program; [STAThreadAttribute] int main(array<System::String ^> … |
| | Hello, Can some one give me a hand on my search algorithm? I know it's not working right and am not sure how to make it work properly. It is on line #'s 69 to 73. It has to search for the name that is already stored in the array …  |
| | Hey everyone, I currently am creating a Card shuffling program in C++, Ive taken care of the shuffling of the deck. Now I just need to distribute a hand of 5 cards, and determine hands. Can anyone help? Please! cardheader.h ( includes both Class Card & Deck ) [CODE] #ifndef … |
| | I need some code in C Or C++ witch produces a Dialog box with an embedded active X control witch Utilities The GUID & Control name & file name to find the ActiveX control I need it to compile in borland C++ 5 & work with 9X & Nt ATL.dll … |
| | Hey all, I'm writing a program that is an address book using an AVL Node structure (which was provided). I defined the [I]contact[/I] class as the ItemType of the data to be inserted in each node. Initially I encountered a Segmentation fault that occured during the assignment from the AVLClass … |
| | This one seems really simple but for some reason I'm not getting it! Here's the problem: USING A FOR LOOP, read 4 lines of input from the user and display it on the screen. I made my code, which works, but it only reads the first line the user has … |
| | I want to have a template function like this: [code] template <class T> void CreateBlankPatch(typename T::Pointer patch, unsigned int sideLength) { CreateConstantPatch(patch, typename T::PixelType::Zero(), sideLength); } [/code] It works fine as long as Zero() is defined for the class T. However, with POD types, this is clearly not the case. … |
| | Hey everybody, So I though that I understood linked lists and arrays well enough to make a hash table with separate chaining. Theoretically, it seems trivial, but I am getting a runtime error. The error appears to arise from the line head = heads[i], where head is a node pointer … |
| | Hi, I am loading in a dictionary text file of English words, but I am not supposed to load any words if they contain an apostrophe. I am loading them in as strings, and I cannot figure out how not to load the string if it contains an apostrophe. Here … |
| | Hi all, I want to read a file. The file is like that : 20 20 1 5 6 20 21 1 2 3 21 22 2 4 6 20 20 2 3 5 20 21 6 5 2 21 22 1 6 7 .... and I would like every … |
| | Hi. This should be very easy for you guys, but I still can't get it visualized in my mind. Here's what I'm trying to do: [CODE] if (flag) for (i = 0; i < 10; i++) {LARGE_BLOCK_OF_CODE (that visits an array in order)} else for (i = 9; i >= … |
| | Hello, first time posting here, but site has been plenty helpful to me so far, thankyou. Am currently working on C# oleDb connections with access .mdb files for a university project, i have the start of a program that works fine in university, but when i run it at home … |
| | I've got this header and cpp.And I would like to insert this operator overloading to this .h and .cpp file. but I always got errors. Operator OVERLOADING : [CODE]istream& operator>>(istream& in, Focista& jatekos) { cout << "Add meg a focista tulajdonsagait. " << endl; cout << "Nev: " << endl; … |
| | can anyone upload a simple modular example in c (They would include .c files and .h files please) i am currently working on modularization but i have a problem when it comes to the main.c and main.h. . . its an assignment. i just want to reference and work on … |
| | [CODE]//I have a problem with my program, // the function rank to find rank of a matrix //cannot return the result //somebody help me to correct it! #include<iostream.h> #include<math.h> #include<iomanip.h> class matrix { int n,m; double A[6][6]; public: //..... friend int rank(matrix); }; int rank(matrix B) { int i, j, … |
| | [CODE]#include <iostream> using namespace std; const char* foo() { return "Hello"; } const char* bar() { const char* s = "world"; return s; } void print(const char* s) { cout << s << endl; } int main () { cout << foo() << endl; print(bar()); return 0; }[/CODE] Can I … |
| | i was wondering how i can make it so i do something like: [CODE]cout << "Press any key to continue." << endl;[/CODE] what kind of code do i need to put it so that the program dosnt do anything until someone presses any key on the keyboard? |
| | I need some help with this program, im obviously not so good with this stuff, but since this is the only one i haev left to make i thought i would ask some of you guys for help the problem is: Write separate programs to do the following: 1) Convert … |
| | Hi i am mostly done with my assignment where u have to make a simple object viewer. one of the requirements require you to use multiple instantiation of objects from the same class which i do not know what to do about it. This is my code for main.cpp [code] … |
| | Hi, I need to download URL's to a file using C++ code. Does anyone know of a library, compatible with Windows, that will do this? I know about CURL, but after spending days trying to configure LibCurl using Cygwin I'm ready to give up. A friend has been able to … |
| | i want express graph as adjacency matrix but 2 element of graph have more 1 street should element of adjacency matrix have more 1 value .i don't know express ? who know guidance for me? |
| | Hey guys, im currently doing my frigate project for my semester class intro to c++ and im stuck at a part where my program crashes after the ships move for a while, any clues? Also, im stuck in the overall development of the game, im not sure how to get … |
| | I am trying to read a txt file into a binary tree. I have the computer create the binary tree from the txt file. Once it adds to the binary it learns what you add. I got it to do the second portion I cant get it read it in … |
| | Can anyone be kind enough to teach me how to create programs that are sport related. Such as a program for a football/soccer league that does the following: Store players names, numbers, team, goals scored, etc. Show goal difference, league standings of teams. Be able to log information such as … |
| | i was working on a simple calculator and here's the problem I'm having: i want the whole program to loop over and over until the user decides to stop, so i put a while in there and the loop works great, but when the user is done inputting the numbers … |
| | I cant solve this assignent. I hope a helpfull soul can help me out. The problems goes like this: Write a program that ask the user to enter the number of seconds as an integer value(use type long) and that then displays the equivalent time in days, hours, minutes and … |
| | //I need help please? [CODE]#include<stdio.h> #include<iostream.h> class Time { public: Time(); ~Time(); void setTime(int, int, int); void printMilitary(); void printStandard(); private: int hour, minute, second; }; void Time::printMilitary() { cout<<"Military time: "<<hour<<minute<<second; } Time::Time() { hour=minute=second=0; } Time::~Time() { cout<<endl<<"Destructor code."; } void main() { Time wakeup, samplePM; wakeup.setTime(6, 5, …  |
| | Hi, I have a homework assignment that I just cannot figure out. I would be grateful of any help. The assignment is: Create a program which: Implements a class called Queue: The class should contain an array of maxQ integers. There should be two constructors: One that takes no argument … |
| | My program runs a three dimensional maze (3x3x3 = 27 locations) it has a start room exit room and code room all in a loop so no two are the same location, the start and exit rooms show up on the run compiled program but the code room does not … |
| | Okay I have tried everything to alter the code but nothing works, so I ask for your help. The thing is I am trying to turn my code from this: *______* **____** ***__*** ******** ***__*** **____** *______* into this: *________* **______** ***____*** ********** ***_**_*** **__**__** *___**___* ____** ____** ____** ____** … |
| | I'm making a simple text RPG game that I will later (once i get the code running well in the text version) put it to graphics and so on. Basically what this code is doing is, there's a monster that the user just killed. based on that monsters level that's …  |
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