51,593 Topics
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 | So I am working on a problem and have a bit of an issue that I can't seem to figure out and would like some guidance. I have string input coming into my program via fstream. Its a bunch of sentences where I have to cout it in such a … |
| | how to read from txt file to array & how to omit heading in the txt file and store it to array  |
| | Whenever I want to delete row my excel file in c#. I have get error. I tried much much codes on the net but I can not solve my problem. Please solve my problem... Regards,  |
| | hi. i work on image processing.how can i convert my mfile to c++ code? i try with : mbuild -setup mcc -B cpplib:mfile a.m and matlab compiler give me cpp code but i can not run it. how can add lib & header file that it can run? is there … |
| | Hello, how can i split binary data in sections using Binary or Stream Reader/Writer? 115522330000000000552266968966458788220000115522330000000000453266869966458788220000115522330000000000552266968966458898350000 Example is above There are 3 sections in bin file and each start with same template/header 11552233 Thanks in advance  |
| | im pay $30 to some that can finsh this for me Project #1 and #2 Specifications You are required to design a calculator. This calculator reads commands from data files called CommandsProj1.dat and CommandsProj2.dat, which I will email to you. Your program should read the commands in sequential order, process …  |
| | I'm learning how to use the SDL libraries but I'm having a small problem playing the sound. The program appears to load the sound but either not play it or play it too low for me to hear. Here's my code so far: [CODE]#include "SDL/SDL.h" #include "SDL/SDL_mixer.h" Mix_Music *play_sound = … |
| | Hi, I need help with my c++ maze game. The problem that I'm having is my keys and doors. I don't really know how to unlock a door after obtaining a key. Heres my code, its a bit messy: #include <stdio.h> #include <stdlib.h> #include <windows.h> #include <process.h> #include <cstdlib> #include … |
 | i wrote some program in c++ that open csv file and do somthing and copy the resault to new CSV file after compile i get exe file. when i run the exe file, its working well (create the new CSV file) but if i try to run the exe file … |
| | Hello ...I am a student in the second year engineering,,, I find it difficult to solve some questions in C + + anyone knows solve these questions, please help me, and I would be very happy These questions: Q1- Write a c++ program containing a loop to print all the … |
 | Hi , Please can anyone help. I have a window(1280x768) that contains a resolution(1920x1080). I am trying to use ScreenToClient to obtain the mouse coordinates while in windowed format. I am drawing a line from a subject to the mouse cursor which works fine in fullscreen but not in windowed. … |
| | I am working on NoC simulator in ubuntu 12.04 c++ is supported, I want to make a script that call my whole program multiple times (for loop= e.g 10) and want to take average value from the functions that were called from other files. Should I create a new file … |
| | Hi, I'm having trouble getting this linker bug to go away. I have 2 files: Socket.cpp and Socket.h. I know that these files are legitamite because my professor gave them to me during last semester. When I remove socket.cpp, everything compiles just fine. But with Socket.cpp, I get these errors. … |
| | Hello guys I have an application for face detection and recognition using OpenCV library and Qt (for multithreading and to handle XML files). When I run the app, it detects face and there is possibility to save it as a picture to a file. It happens after I click on …  |
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| | You will create a program that determines the language of a given input file based on the words in that file. The structure of the input files will be one word per line (all lowercase letters). You should read these words in one LETTER at a time. Each input file … |
| | I am intrested in making an antivirus program. i have no idea where to start. please give me suggestion , where do i start ?  |
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| | For some reason my program is not working and dont know how to solve this problem. In line 15 the "users" is underline in red and will not run. Please help. #include <iostream> #include <cmath> #include <iomanip> #include <string> #include <fstream> #include <C:\Users\N.\Desktop\Popcorn\Popcorn\JJ.cpp> using namespace std; int main() { fstream …  |
 | I'm sorry but could someone deleter this article for me? I already figured out the bug. I'm sorry :(. It's basically the function to display the message is called twice, one inside another function, and the other by me ... ---------------------------------------------- The assignment requires the implementation of both patterns I … |
| | Hello, for some reason, I am getting a very weird negative nuber as my average for my program, here is my code: int sum, avg; sum = 0; avg = 0; for(int i = 1; i < size; i++){ sum += array[i]; } avg = sum / size; my output …  |
 | how will we create a date header file in which user must be able to perform: 1: get and set current day,month and year. 2: increment by x number of days,months and year. 3: set default date. default date should be declared as a static member. |
 | Hi. I am looking at creating a small app which will gain access to and use the Internet Explorer DOM. I want to access the DOM of an existing instance of Internet Explorer. The app will be basic and simple, and will be first used to retieve properties of web … |
| | I am a Java developer but out of curiousity I would like to find out why is it not necessary for a method to declare an exception when coding in C++? So does it make C++ a weaker language since it enforces a weaker rule?  |
 | Hello everyone. I'm working on a project that acts as a function generator to output a sine wave. The program also outputs an excel file with all of the data points so one can plot the points. For some reason, when I add noise, the graph does not look right. … |
| | I am having some problems with a program that I have due soon....I could use some serious help. I am going to post the requirements in this post, if you can help please let me know! |
| | I'm pretty new at making a windows application (ASP background). I have successfully developed a small WinForm application that does nothing fancy. It runs fine it debug mode and operates as expected. I build the solution and is produces the executable in my release folder bin\release. I can then run … |
| | Hi, I am writing a sudoku solver program that uses recursion to solve all the empty cells. However, I have no idea why my function did not do anything. I read in my puzzle as double char array and convert it to double int array. My output is : 900020750 … |
 | Hi! Below is a part of my code, and whenever I this part of code starts executing, an error ocurrs! I get this error: [click here to get a error screenshot](http://i.stack.imgur.com/loBcH.png) whenever I add the *ios:app* parameter after the *userScore.csv* part, except that my file isn't QueryLanguage.Lib.dll, but rather something … |
 | Hello, I am making a "High Scores" Program from Chapter 4 of Michael Dawson's *Introduction To C++ Through Game Programming Book (3rd Edition)*. In it, a vector consisting of 3 numbers is made and multiple manipulations are made to it through Standard Library Algorithms. There is a situation where the …  |
| | For getting the share folder name i have been used the following code , here i am able to get the folder names . But the problem what i am facing is along with the share folder created by the user it gives some extra folder also , i don't … |
 | Hello, I've been working on some test OpenGL programs in C++ using SDL to manage sound, window management, events... etc Today I plugged in my external monitor into my laptop and found that *no* openGL program I had written would work with it plugged in, all I get is the … |
| | Writing an upgrade to my program I'd like to start using the nullptr, a cleaner replacement to NULL. My question is can I use it everywhere, for example in checking the strstr return value? if (strstr(szLong,"tag") == nullptr) Presumably will work as well as if (strstr(szLong,"tag") == NULL) ?  |
| | So I wrote a small little tic tac toe game, it works without fail, now I'm just looking at ways to shorten this if/else conglomerate I've created, but so far haven't thought of a way to do so, I thought about using a switch but thought it would be about … |
| | what is the meaning of `fseek(file, -4, SEEK_CUR);` |
| | Hi there, I'm encountering an error when I'm trying to make a EntityManager for an Entity class. My problem arises when I'm trying to return the second value of a map (data). Here's my code: EntityManager.hpp: #include <iostream> #include <SFML/Graphics.hpp> #include <map> #include <memory> #include "CEntity.hpp" class CEntityManager { public: … |
| | You will create a program that determines the language of a given input file based on the words in that file. The structure of the input files will be one word per line (all lowercase letters). You should read these words in one LETTER at a time. Each input file … |
| | Hello everyone. I am working on creating a stub that would allow me to swap out various sorting algorithms so that I can "plug in" the algorithms and run the various sorts. The below code is for Insertion Sort (yes, I know it is the slowest possible sort), but once … |
| | Hi, just wondering... is there a site offering some sort of c++ programming mentoring? Something like: make this programme... how would you do it? and then people writing code for it. Would that be a feature for DANIWEB? |
 | hi as you may notice i am new here so hi nice to meet you:).. uhhhmmm please help me on a project i'm working on about insertion using linked list my problem is on line 19-20 I can't seem to make it work,, when you type 9 7 6 4 … |
 | Hello. This code snippet is a basic calculator. The general concept is that the calculator accepts infix expressions as strings, converts them to reverse polish notation by way of the shunting-yard algorithm and then evaluates the resulting expression. I tried to encapsulate the functionality of each piece so that, in …  |
 | I have a h file with this code: #include <windows.h> #include <iostream> struct Color { int color; Color(int color_): color(color_) {} Color operator + (const Color & other) const { return Color(this->color | other.color); } }; #define FORE_LIGHT(color) const Color cfl##color##_ = FOREGROUND_##color | FOREGROUND_INTENSITY; #define BACK_LIGHT(color) const Color cbl##color##_ … |
 | Been at this for hours and cannot figure out how to get this the way I want. I need it to center the text in the console output like this... ******************************************* ABC Industries Report ******************************************* instead its coming out like this.. ********************************** ABC Industries Report ********************************** Here is what I … |
 | I have a **digital photo viewer keychain** by some company called **INNOVAGE**. I searched about it online but I can't find its webpage anywhere. The CD which came with it is empty and the device does nothing other than showing **"updating"** while connected to the PC. It doesn't even start … |
 | Write a C++ program that reads two numbers at a time representing the diameter and its frequency. Then calculate and print the mean diameter.Use a for loop. |
| | I am kinda bord and dont know what to write. I have lerned the basics of strings, references, pointers, file I/O, classes, enums (simple error functions). Also some basic exceptions. And ofcourse all the other basics of chars, ints... So what are some cool "mini" project that i couldd work … |
| | I am getting an error when i try to compile this code int StartProgram(string sProgramName){ ShellExecute(NULL, NULL, sProgramName, NULL, NULL, SW_SHOW); } |
| | I am trying to write a basic link list, so that I can understand how to implement it in C++. The tutorial I read was extremely advanced (giving more code than needed to understand and not explaining really how). So i tried to write this simple linked list: #include <iostream> … |
| | For my Optics course, we need to write a program that will take a certain input, perform a matrix computation, and output a system matrix. The program also needs to check for nonsense input and be able to "be adjusted" for any amount of matrix elements. I took a course … |
| | Hi, I have to open and read multiple files which are in same folders. I can search and collect the whole size of those files. But the problem is with when I'm copying the files to a buffer. How can I read the multiple files? I'm using this example for … |
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