49,766 Topics
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| | When I run my makefile I get this error: ** No rule to make target `videofeatures.cpp', needed by `videofeatures.o'. Stop. Here is my makefile CC = gcc CPP = g++ CFLAGS += BIN_DIR = ../bin INC_DIR = ../include LIB_DIR = ../lib INCL = -I$(INC_DIR) `pkg-config --cflags opencv` LIBS = -L$(LIB_DIR) … |
| | I want to change the color of the text in c++. I am using Turbo c++ 4.5 and Windows XP. I have used that textcolor(14) type code but it didn't work. It says : Call to undefined function "textcolor" in function main I have included header files iostream.h, conio.h, windows.h, …  |
 | Hi there guys. Literally I have been asked this question; "The Fibonacci sequence is 0, 1, 1, 2, 3, 5, 8, 13, … ; the first two terms are 0 and 1, and each term thereafter is the sum of the two preceding terms – i.e., Fib[n] = Fib[n – … |
| | I am given a number n and a number b. i have n products and for each product a grade like 'e' for electronics or 'f' for food. I must show only the products with a number of grades smaller or equal to my given b It's like: n=4 b=1 … |
 | If p is a pointer pointing a node to be deleted, then what's wrong in the following code: cout << "Do you want to delete this record? (y/n) "; if (getch() == 'y' || getch() == 'Y'){// Delete record. if (p == *ph){//If first node is to be deleted. *ph … |
| | Hey All! This isn't an important qusetion just an I don't get it question. So, this is out of my book....this is a default constructor clockType(); Ok. This is a constructor with parameters clockType(int, int, int) Thats all fine and good. Here is my quesiton. The default constructor is basically … |
| | I am a beginner in C++ and trying to learn it. I have a problem with this program. #include <iostream> using namespace std; int main () { int FirstNumber = 0 ; int SecondNumber = 0 ; cout << " This program will help you multiply two numbers " << …  |
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| | Hello, I am Shien from Malaysia Good to meet you all here I found some problem when doing my final year project Now, I am doing a security system with using PIC18 My project is like this Sensor (digital sensor) detected -> signal send to my PIC18, then I want … |
| | **Hello people** I am in need of help with part of my program... **How can I edit a element in my percent list?** I want the user to be able to change the percentage (that is aready there) so that it can ... update, and then be sorted it... void …  |
| | hi, I have doubt about virtual function behaviour in below code snippet. As per my understanding class derive2 didn't override the virtual function fun() , so it is obvious that its object can't be assigned to the Base class pointer *p and even individually we can't instanciate the object of … |
| | Hi, I have overloaded new function but unfortunetly never been able to execute global handler for requesting more memory access on my compiler. I also don't understand as per below code snippet if we invoke the global handler for requesting more memory how it is gling to allocate to P. … |
| | Hey guys! I will be hosting an online hackathon next weekend. Please join (50 bucks reward if you win)... In this case, you are given a theme and you need to code something relevant to that theme. The coolest program will get the prize money. You are given 24hours to … |
| | Hello Everyone , Can some one please tell me what is wrong in my program. This is basically a program to insert a new node in a binary search tree. The thing is that my insert function is working correctly and the node is getting inserted which i am verifying … |
| | I am new to filing and have not much idea about it. I have written a code that tries to read an ASCII .pgm file named pic.pgm and writes it as mypic.pgm file: #include <fstream> const int MAXHEIGHT=221; unsigned char *bitmap[MAXHEIGHT]={'\0'} ;// pointers to each pixel row int main() { … |
 | For this assignment due **3/4/2013**, I have to write a program to read in and evaluate a post fixed expression. I also have to print out the expression read in followed by the results of the evaluated expression (while handling the add, subtract, and multiply operators) and handle multi digit … |
| | I have an xml file that I have to read in, convert all the carriage returns to \x0D and line feeds to \0xA, then call it into a function as a string. So for example my XML file is: <TEST> this is a string </Test> I would want a string … |
| | We cannot use constructors if we want that whenever a pointer is declared, it should be NULL. Am I right Sir? if I declare student *head, *tail, where student is a class, can I make my pointers automatically make NULL using default constructor?  |
 | Hey I have an code in Qt that is an QPushButton is hidden at start of the cpp but later i want to get it appear when the file is open and an line is readed but the problem i get an segmentation fault. Can be because the setHidden(true) in … |
| | Ok so am writing a program that simulates a computer system.The cpu and memory will be forked making memory a child process and cpu athe parent and i will be using pipes to let them exchange informatino. I am really lost tough on what to do next, i have loaded … |
| | write a program which display a restaurant menu, then ask the user to select a choice from the menu. Using the switch statement select the user choice. printout the choice the user slected and the bill amount.Include in the bill a 16.5% tip and 8.25% sales tax. |
 | Hey everyone need help on a project im doing in c++, so far I have made a command interpreter, that breaks user input into array of Strings sepperated by spaces and have a run function. Now I am trying to do the list() and list(directory) but I'm not quite sure … |
| | **please help me with this code ASAP** Problem Statement: You have to write a Schedule Management Program for the counsellors. Here are some facts: Facts: There are 10 counsellors. You have to Manage only one week's schedule. There are 7 days in a working week ten working hours in a …  |
 | Hello, i just started to study c++ and i have a problem about 1 porgram in the homework ! it ask me to write a c++ program that first asks the user if he want to enter a number if yes he enters the number and then ask him again …  |
| | I am trying to figure out what it would take to create software like [MaxiVista](http://www.maxivista.com/) or [ScreenRecycler](http://screenrecycler.com/ScreenRecycler.html). I have good experience with Java and C++, but these two programs are just awesome and over my head. Basically, they take a window from one computer and transfer it to another. Does … |
 | I have been trying to call a C++ function in a DLL, from a C# WPF application I'm working on. I've done it before and it's worked but I can't remember how I did it and can't seem to find an example that works for me. I'm doing something wrong … |
| | Hi Everyone, I have been trying to teach myself how to code for more than a year now, having started with VBA and then switching to c++. Recently I have been forced to confront how horrific my coding practices are, and have been doing pennance by trying to modify 1500 …  |
| | Hello, I'm still learning C++, and I have a question that I'm not even sure how to search for it, so sorry if this is a repeat. The thing is that I'm trying to make, for a project a-for lack of a better word-memory manager. I want to have kind …  |
 | Generally people sit in front of computers for a long time which results in eye strain. We indeed forget to take a break. So here is a good freeware called FADETOP which reminds you to take a break after every 15 minutes. However you can change the default time. You …  |
| | Hi, I would like to know how I would modify the close (X) button in the GUI. For example, I would like to be able to have the user click on it and the program to bring up a message box from the MessageBox::Show() function that I type in. This … |
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