49,761 Topics
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| | Hi I am considering to use C++/CLI because of .NET. My aim is to create DLLs where these would be used by some language. Would I be getting any problems if I decided to export DLL containing managed code? Any portability issues? Thanks in advance  |
 | Hi I am developing using C/C++ window application using winapi. I will be using some standard STL containers and some win api functions provided by windows.h. I would like use the app on different windows versions such as windows 7 and 10. The apps will be builded for x86 architecture. … |
 | The program needs to get loan amount, loan term, and loan interest rate from the user and then use those same numbers to create a function that calculates the monthly payment of the loan using monthlyPayment = principal * rate / ( 1.0 – pow(rate + 1, -term)); I've come … |
| | Hey everyone of the c++ world. I am a little stuck. Here is what i am suppose to be doing. Write the program as an object-oriented C++ program that calculates and displays the mortgage payment amount from user input of the amount of the mortgage, the term of the mortgage, … |
| | I'm trying to add insert functionality to a textbook code example. I have an "off by one" error and I can't think of a way to fix it. Here's my attempt below: template< class NODETYPE > void List< NODETYPE >::insertMiddle( const NODETYPE &value, int position ) { ListNode< NODETYPE > … |
| | I should go to this program mentioned below. make a double loop (do ... while) to suppress an incorrect daily calculation!note :::: work with a char variable "error" for erroneous daily calculation. In contrast to the origin program, deposit and payout data should be requested again for a result of …  |
| | So, I have created a text file containing the following: 10001 General Electronics 500 20001 fACEBOOK 700 10002 Twitter 400 The records are stored in a struct containing an integer id, string company and integer number of shares variables. I want the user to enter a Id, say 20001, and … |
| | I am updating a C++ program, part of which copies arrays of doubles by iterating through each array (copies elements of array wa2 into array X): for (j = 0; j < N; ++j) { X[j] = wa2[j]; } // End for j I would like to use the built-in …  |
 | the question seems simple, but isn't. think that i have the functions list and it's parameters and the variables on vectors(inclued it's types.. it's a structure). now see these string(yes i have the words\operators count): function1 ( function2 ( ) , function3 ( parameter1 ) , parameter3 ) the count, … |
| | i want to write code in data structure using c++. my topic is online voting system. |
 | Hello! I am interested in the issue of protecting the code from hacking. Do you protect your code from decompiling and hacking? Why did the question arise? I worked in a team that developed games for Android. They all used obfuscators! So almost no one could hack their application. Now … |
| | I am working on a equation balancer for my 12th class computer science project.But somehow i am not able to balance the chemical equation.Please if anyone can provide me the source code it will be a great help.Urgently needed! |
| | i create the read(...) function for read to variables. but i need too the read()(without arguments) for press enter before continue\exit. void read() { //wait if the enter key is pressed: cin.ignore(); cin.get(); } template<typename first_t, typename... rest_t> void read(first_t &first, rest_t... rest) { std::cin >> first; read(rest...); //function is … |
| | i'm trying using the GNU compiler with command lines( using the ShellExecuteEx()). when i do: string FileName1="C:\\Program Files\\mingw-w64\\x86_64-7.2.0-win32-seh-rt_v5-rev1\\mingw64\\bin\\x86_64-w64-mingw32-g++.exe"; run(FileName1,"-c \"C:\\Users\\Cambalinho\\Documents\\CB\\testfolder\\bin\\Debug\\test2.cpp\""); the object file is created. these line creates the exe: run(FileName1,"-o C:\\Users\\Cambalinho\\Documents\\CB\\testfolder\\bin\\Debug\\test2.exe C:\\Users\\Cambalinho\\Documents\\CB\\testfolder\\bin\\Debug\\test2.o"); (tested) but the exe have some dependencies... so seen the Code Blocks: x86_64-w64-mingw32-g++.exe -Wall -g -std=c++14 -c … |
 | Hi all, I'm having a little problem with array and some "unqualified-id" problem. I've created gazillions (okay, maybe 80) arrays before but I had never encountered such problem. Especially with static arrays. [CODE] #include <stdio.h> #include <cstdlib> using namespace std; int main() { // with addition of buffers for 3x3 … |
 | Create a text file (w/o using any C++ program) containing the names of students and their marks in the following format: **Ajay 350 Vijay 340** where name and marks are separated by either a space or a tab and end of line is a record separator. Write a program to … |
 | hi so i am studying programming and i want to extract from an inputted string values in the left right and middle. i have only begun learning a few months ago so i dont know anything about pointer how to i build a funtion to extract the mid left and … |
| | and im working on Archery, bow hunting, bow sling, paracord, backcountry gear, tree stand, my sling-a-ling ,jakt gear, total archery challenge, hunting accessories, bowhunting accessories, bowhunting gear, bow hunting, 3D archery, archery tournaments, hunting season, archery sling, archery accessories much more .Im new in this forum I need lots of …  |
 | hello. how can i print out in textbox a void * value ? here is the code: uintptr_t offsetFromBuffer = (uintptr_t)internalAddress - (uintptr_t)&buffer; void * healthDecAddress = (void*)(currentChunk + offsetFromBuffer); richTextBox1->Text = healthDecAddress; // how can i do it right ? |
| | Ok so I have been trying to do project euler problem 1 which finding the sum of all the multiples of 3 and 5 that are less than a thousand. i dont know why my program is not working. here's my program - [code=c++] #include <cstdlib> #include <iostream> using namespace …  |
| | Hello, friends. I did the fourth challenge on Project Euler and I'd like to know what I can do to improve the efficiency of my code. Right now it takes 1.562s to run and the source code is as follows: #include <iostream> #include <string.h> using namespace std; int Number = … |
| | What are general considerations when choosing an open source library |
 | #include <iostream> #include <cstdlib> #include <fstream> #include <ctime> using namespace std; void array(int arr[], int arrSize); void add(int arr[], int arrSize, int newElem); bool edit(int arr[], int arrSize, int index, int newVal); bool delEm(int arr[], int arrSize, int elem); bool search(int arr[], int arrSize, int elem); bool PunoNa(int arr[], int … |
| | heres my actual code for find\search a folder: string FindDirectory(std::string FindDirectoryName[2], std::string StartDirectory="C:") { WIN32_FIND_DATA file={0}; string str=StartDirectory+ "\\*"; HANDLE search_handle = FindFirstFile(str.c_str(), &file); static bool blnFindDirectoryName=false; static string strFolderName =""; //testing if the folder is valid: if (search_handle != INVALID_HANDLE_VALUE) { do { //if the folder was founded, then … |
 | Hi, I have a C++ program : // ConsoleApplication14.cpp : Defines the entry point for the console application. // #include "stdafx.h" #include <iostream> #include <list> #include <queue> #include <vector> #include <string> using namespace std; class RectangularVectors { public: static std::vector<std::vector<int>> ReturnRectangularIntVector(int size1, int size2) { std::vector<std::vector<int>> newVector(size1); for (int vector1 …  |
| | Hi I am trying to get windows positioned in specific order as show below  but I am unable to get and get always this  the code below is shown HDWP cmdWnds; cmdWnds = BeginDeferWindowPos(col.size()); for (int i = 0; i < col.size(); i++) { if (i == 0) … |
| | I know an AVL Tree guarantees a time of log(n), but what is the time cost of the actual re balancing of the tree and why is this ignored? |
| | I am a beginner in C++ coding. Now I am making a little text based game and i need to do a loading screen. I've kind of made one but i want to fill it with this shape ■. What i know is that the ascii code for it is … |
| | When I try to display the address of a char type variable, I don't get the normal hexidecimal address, but some strange symbols. I don't have the same problem with int or string, etc.. Example: char x='#'; cout << &x; The output of this is: #( ( What's the explanation? |
 | Pretty neat text-based RPG that I made. Currently my first game. |
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