51,593 Topics
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| | Well my problem is on boardGenUSER I don't know why... it's print out the number 2 into the 0 row and 8th column :-/ I really stuck and i need points to continue please check out my code below and let me know... Thank you in advance!!! Regards #include <iostream> … |
| | Hi everyone. I have a UI Design that I got coded by my software developer and when I change the color of an image and then run under "debug" The image stretches even though I never changed any dimentions or anything. All I did was change the color.Any ideas what …  |
| | In desperate need of help! Can someone please show me how to simply display a pgm image in c++. I have no prior experience in multimedia programming. Thank you! |
| | There is something wrong with this program. The code is ok, the program runs, but it stops after asking the user how much their income is. Where am I going wrong? (Sorry, it's really long, but I can't figure out where the problem is) #include <iostream> #include <string> #include <cctype> … |
 | Hi, I found the examples of explicit specialization, but I have a vagueness about code: using namespace std; template<class T = float, int i = 5> class A { public: A(); int value; }; template<> class A<> { public: A(); }; template<> class A<double, 10> { public: A(); }; template<class … |
| | I have a vector that contains Points on a board and I would like to do the following: 1) if a Point appears an even number of times i would like to delete all of the same Points. 2) if a Point appears an odd number of times i would …  |
| | Hi there, I am using MATLAB and am trying to mex a c++ file. I get a load of compiler errors and I am not sure why: correspondPixels.cc(57) : error C2065: 'Matrix' : undeclared identifier The line of code this relates to is: `Matrix m1, m2;` Now the class should … |
| | Yes, I know that this is homework. But I need help. This is code the teacher gave us few days ago. This is a header file. And I needed to do the following: My problem is that I didn't know how to use my vecetor in my .cpp file. How … |
| | I've been making a program for fun and I'm an amateur programmer too. I added a feature to a program that let's it read users externally from files to log in instead of storing user data on the code so that new users can register. I'm having problems in line … |
 | Please i'm working on a linked list and want to overload the ++ operator in order to use a dummy pointer to loop/traverse through the list. But its gives me a compiled-time error. Here is the actual code: class Node { private: string value; Node* next; public: ~Node(){del ete this;}; … |
 | Hello, Wondering if you can help me.. I have a variable, that each time needs to multiply by 2 (I know, it sounds simple.. I'm probably being an idiot) but it works like this: LOOP 1 offsetX = 0; offsetY = 0; LOOP 2 offsetX = 2; offsetY = 0 … |
| | Hello im new to daniweb and c++ and am getting a overloaded function error on my readFile function, specifically the string data type. I cant seem to pinpoint whats causing the error. Im supposed to use the function to read data from a text file in this format: Johnson 5000 …  |
 | I've an application build with C# and WPF, that is being developed by 3 developers, including me. On a certain stage of the application, an error came up that we can't determine how it happened and how to solve it, so we ask for your help. Although everything works well … |
| | The problem I have and can't understand is that I receive a segfault when trying to close the second file (fclose(ofp)). Input file is a xml file that will generate food for output file. At present time, input file is being read for parsing but no output for outfile is …  |
| | I am trying to create a 2 dimation array for a game... The table will look like that!!! **0 1 2 3 4 5 6 7 ** **0|0 0 0 0 9 0 0 0 ** **1|0 0 0 0 0 0 0 0 ** **2|9 0 9 0 0 … |
| | i have a vector of points (yeah the one from the last thread) it has no duplicates and those points configures the outline of a shape (tetris shape) the problem is that i want to sort them inside the vector in a circular way . i mean if u take … |
| | I am getting this error with when I compile. I have to turn this assignment in in a few hours. Here is the code: error message(s) untitled.cpp:34: error: invalid types ‘int[int]’ for array subscript untitled.cpp:36: error: invalid types ‘int[int]’ for array subscript // A basic Casear Cipher Encrytion Device. #include …  |
| | I'm writing a program and am getting both an LNK2005 and LNK1169 error. I might be doing something wrong with trying to call the various files as this is the first program Ive tried writing with more than one. I was given a .h file to begin with that I …  |
| | Hello, I've been having a little dificulty with passing this array to my text file. What i'm doing is writing a questionaire type quiz which involves outputting questions, receiving input, and taking each input value and listing it in a text file. What I have works, except for writing the … |
| | I'm trying to write a program that calculates the mean and standard deviation for a set of numbers. I broke the calculation down into a couple parts, and for some reason when I try to sum the differences squared I keep getting the wrong answer. Not sure why though. For …  |
| | Hello, I want to load integers from a text file into a class or structure. It should jsut read all lines and load them into it. What is aa easy code for this? I want to keep it simple and easy. Also it should be easy to modify, like modify … |
| | This is what I have. It displays the 100, which is what 10 times 10 would be, but I want it to show a multiplication table. My Nest For Loop works fine doing the same thing but I can't get this to work properly. Can anyone help? { int row=0; … |
 | So first of all let me say I am pretty new to C++ and find it very difficult to learn (especially when compared to say C#) Anyway I am working on a program that requires the use of a 2D array or a similar container. After talking with a professor … |
 | Program: #include <iostream> using namespace std; class Rectangle { float len; float bre; public: Rectangle() {cout << "Rectangle constructed!" << endl; len=0; bre=0;} ~Rectangle() {cout << "Rectangle destructed!" << endl;} void setL(float L) {len=L;} void setB(float B) {bre=B;} friend float area(Rectangle rect); }; float area(Rectangle rect) { return rect.len*rect.bre; } … |
| | **Assignment:** > 1. Print the following heading at the top of the output page: Miser Corporation Payroll > > 2. Read an unknown number of employee data records as shown below. Each group of data will contain an employee's name, hours worked, rate of page and age. A typical group … |
| | I am working on a command line program that communicates with another program. What i am trying to do is after i write a command it will split the string so the number on the end will be put into a seperate variable. For example if i write the line …  |
| | Hi. I have this problem with a Windows Form Application. I'm working with the Client, the server is already working and tested. If you look at this code: void WaitForMessage() { bool dropserver = false; while(dropserver == false) { char inputmessage[250]; int bytes = recv(sConnect, inputmessage, sizeof(inputmessage), 0); if(bytes <= …  |
| | I want to load a 3D model into an opengl scene. For this I've read about the .obj format and how the vertex cord's and etc are stored. I want to parse this file, but have completely no idea what soever how to begin with. After going through couple of …  |
| | I am a begginer in c++ and our teacher did start from the presumtion that we know C allready and jumped straight to advanced c++. Unfortunatly i do not know C and have trouble catching up. I mention that this is our 4th week and i got to do the … |
| | I've read articles saying that Ctrl+Alt+Del is an in-built Windows combination and cannot be disabled. Basically, I'm trying to make something like an anti-virus and most antivirus tools are practically impossible to shutdown by using CTRL+ALT+DEL combination. The moment one shuts down the process, another instance runs in a way … |
| | I would like to find out what this code snippet does. i know it involves extraction from a webpage format gb2312 but can ano\yone explain line by line, i appreciate the help... :) Code blocks are created by indenting at least 4 spaces ... and can span multiple lines if … |
| | hello, i wanna ask if somebody can help me with this problem. First code: #include <stdio.h> #include <stdlib.h> int main(int argc, char* argv[]){ if(argc>1) { int i=1, zmnozek=1; zmnozek=atoi(argv[1]); for(i=1; i<argc; i++) { zmnozek*=atoi(argv[i]); }; printf("Rezultat: %d\n",zmnozek); }else { printf("Nepravilen vnos!\n"); }; return 0; } And there is the problem: … |
| | Hi guys, I'm working on a program that (for the step I'm having trouble w/ atm) is supposed to ask the user what movies they watched in each of the 12 months of the year and output the data to a file. After I enter the title of a movie … |
| | Can someone please answer this for me as i cant do this practice question Thank You.  |
 | If anyone can help me finish this and point out what had to be done to make the program work, that would be great. -ask for how many days user wants to enter from 1-365 (validate) -ask for temperature for each days between -60 and 90 degrees celsius (loop, validate) … |
| | cHey guy can anyone help me to solve this question because i am begginers i am so sure to use array C++ write a program to find smallest of 30 integer using array Thanks |
| | I am having trouble displaying my code that is supposed to be read in from "pgm6.txt" - it looks like it is a continuous loop, but I'm not seeing how/why/where. It's probably something oobvious that I'm just overlooking. Here is a sample of the text in my external file: *Newland … |
| | Can you solve my problem? Q. Write a Program to create a object without name. Help me........... |
| | Hello I am a beginner at C++ and I was given these questions to do for my homework. I would appreciate it if you could help me answer these questions. Consider the following code when answering questions 1-5 #include <iostream> using namespace std; int someVar = 10 void f(intx, int&y); …  |
| | Hello I'm a beginner at c++ I got these questions for homework. Would appreciate answers to these questions. Consider the following code for these questions const int NUMBER_OF_ITEMS = 5; double nums [NUMBER_OF_ITEMS]; Question 1 What is the index of the first and last element in the array? Question 2 … |
| | Hey, guy I'm having some trouble with my function see below: bool tryAgain() { char answer; cout << "Do you want to enter another number? (Y/N): "; cin >> answer; answer = toupper(answer); while(answer != 'Y' || answer != 'N') { cin.clear(); cin.ignore(10, '\n'); cout << "Input invalid." << endl; … |
| | Trying to output a list of all prime numbers and perfect numbers between 1 and 1000. Have been banging head against wall for past 3 hours and this is what I have so far: #include <iostream> #include <string> #include <iomanip> using namespace std; int main() { int x, aDiv, aMax, … |
| | I found an error in my c++ textbook and I can't find a way around it without re-writing the author's stuff completely. An error pops up when I don't use parentheses in the expressions that I enter. "Expression: string subscript out of range" is the error. Again, this is the … |
| | [QUOTE] 1. Print the following heading at the top of the output page: Miser Corporation Payroll 2. Read an unknown number of employee data records as shown below. Each group of data will contain an employee's name, hours worked, rate of page and age. A typical group of data will … |
| | Hello, I'm quite stuck on how I can sell limited tickets I've put this question up before, but I haven't got the right solution.I know I should do my own project, but I really can't seem to find the solution to this.If someone can just help me with this problem … |
| | Hi guys, what's up? Is native applications familiar to you? I'm right now building an anti-virus, and as you know the viruses can be active or passive, the passive is easy to remove but the active , well.... it's hard to remove but I finally found the solution is by … |
| | I want to convert Wide char arrays (russian,turkey,switzerland,japanese,chinese simplified] to unsigned character array in VC++. I've tried using WideCharToMultiByte and wcstombs_s but both doesn't work. Anyone know the conversion? Thank you very much. |
| | Hello I'm a beginner at c++ I got these questions for homework. Would appreciate answers to these questions. Consider the following code for these questions const int NUMBER_OF_ITEMS = 5; double nums [NUMBER_OF_ITEMS]; Question 1 What is the index of the first and last element in the array? Question 2 … |
| | I am having trouble formatting my output into columns. Some of the the names are longer than others so it pushes the whole line out instead of lining up evenly. I cannot use the printf function, we haven't learned this in class yet, I'm only familiar with setw and setfill. … |
| | Can some one help me write a c program for my "Internal Assessment" at school? Its a program that should be over 5oo lines but I need your help urgently. The dead line is two days from now. If your interested, email me at "seanraina@yahoo.com", where I will give you …  |
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