49,765 Topics
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 | Hi I'm trying to create an array of function pointers contained within a class, the C++11 way. Can I have some help with this as I'm getting a bit mixed up. Here's what I have done so far. They are made up classes to define the problem. #include <iostream> #include … |
| | Hello again. I am stuck with this example: #define Listof(Type) class Type##List \ { \ public: \ Type##List(){} \ private: \ int itsLength; \ }; could anyone explain to me what is the intention and the point in this example? beacause I found this example in a book but not … |
| | I'm working on an ATL dll, under C++ VisualStudio 2008. I would include an RichEdit 2.0 Control in an AxDialogImpl dialog. To use RichEdit 2.0 it is needed call AfxInitRichEdit2(). I did it in a non ATL project with no problems, but in the ATL project I have an C3861 … |
 | Hello guys: I am certain if I was not trying slef-teaching C++, that this question would have been answer before. What is the use of [inlinecode]using namespace std;[/inlinecode] ? I am not certain, I just know that when I use [inlinecode]#include<iostream>[/inlinecode] I have to appended. Simple question, but a matter … |
| | CSCI-15 Assignment #1 — Functions and files review (40 points), due September 9, 2013. Write a program to read the coefficients of a series of quadratic equations from a text file and print the associated roots, or appropriate errors if there are no real roots, to another text file. The … |
| | I am mainly into system dev, writing kernels and kinda just building everything from the ground up... But I also like game dev and is interisted in the whole concept. So I am going to make this easy, seing as a lot of things can change the output. A programmer …  |
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| | #include"Gradebook.h" #include<iostream> #include<conio.h> #include<string> using namespace std; Gradebook::Gradebook( int balance) { if(balance>=0) { balance=balance; Withdraw(balance); } else { cout<<"Balance can not be negative\n"; } } void Gradebook::Withdraw(int) { cout<<"Enter amount to withdraw\n"; cin>>credit; if(balance>credit) { cout<<"invalid credit greater than balance\n"; } if (balance<credit) { int total=balance-credit; cout<<"Current balance:"<<total; } getch(); …  |
| | CSCI-15 Assignment #1 — Functions and files review (40 points), due September 9, 2013. Write a program to read the coefficients of a series of quadratic equations from a text file and print the associated roots, or appropriate errors if there are no real roots, to another text file. The … |
| | So, I've been through a class in java so I know a little bit of what I'm doing... The assignment I have is to create a program that takes a string and converts the letters four away in the alphabet (ie: a becomes e and so forth). I've gotten most … |
| | Hello everyone.. Would anyone know why I can't do the below. I'm not the best programmer in the world so I'm wondering why the below won't work. I get an error 'A template declaration cannot appear in block scope' No doubt it's due to my lack of understanding of the … |
 | i am given this topic array - object oriented programming for report. i just some of your advise do i need to discuss OOP? including like inheritance, encapsulation, polymorphism ..etc.. or should i discuss only concepts of arrays definition etc... any addition to my outline: definition of arrays types (single-multi) … |
| | I am getting Wrong Answer on submission. Problem link:http://www.lightoj.com/volume_showproblem.php?problem=1039 Code:http://ideone.com/1iMkOX I implemented the BFS inside the main function instead of coding it in a seperate function. |
| | CSCI-15 Assignment #1 — Functions and files review (40 points), due September 9, 2013. Write a program to read the coefficients of a series of quadratic equations from a text file and print the associated roots, or appropriate errors if there are no real roots, to another text file. The … |
| | Im trying to figure out how to read a file that is entered into the command line. I tried using #include <iostream> #include <fstream> #include <cstdlib> #include <string> int main(int argc, char *argv[]) { std::string a; int b, c, d; std::cout << "please enter the name of the file: " …  |
| | Create a program that will input a number in kilowatt and display its equivalent masures in watts. PLEASE ANSWER. :) |
 | I'm working an SSE / AVX library and have almost all the basics working, but now I'm trying to get the accuracy / speed a bit better on certain functions. Essentially I'm using a minimax polynomial that when using infinite precision should give me ~2E-9 error, plenty for floats for … |
| | I have a class person, with a first name, last name...ect. The user is prompted a menu and I am having trouble with the option to delete a name. It seems the string variable is not getting updated when the user enters it and another prob is getting an infinite …  |
 | Hi Guys, I was wondering if someone could help me with this small program, i am kinda new to programming and well i have been given this assignment on collision detection for airplanes. i have done some coding implementing the algorithm and well i have specified the coordinates or points … |
 | am new in programming and i need your help.after writting a code if i compile and run the console will not display the output but rather shows and go immediately |
| | Hi, I'm creating remote desktop application in qt 4.8. I have to implement some way to browse remote computer directory structure and possibility to download files on local machine. I'm wondering how can achieve this... ![Member Avatar for [Prototype]](https://static.daniweb.com/avatars/orig-avatars/avatar913340.gif){kind=avatar} |
| | Can someone help me with solving boolean expressions with the help of forward chaining. A good tutorial will also help me. Example: A.(A + B) = A A.(A + B) => A.A + A.B [Applying distributive law] A.A + A.B => A + A.B [Applying idempotency law] A + A.B … |
| | I'm trying to solve a cryptarithmetic puzzle TOO + TOO + TOO + TOO = GOOD using a program. My solution to this, is to use a nested loop for each unique letter (in this case T, O, G, D). The loops would systematically assign the digits from 0-9 to …  |
 | I was just wondering what kind of behavior is expected when hooks are set, I can modify my code to test it (which isn't really necessary), but I was hoping it's normal for when hooks are set for input to be buffered for a few seconds and then display. If … |
| | how to solve pattern given below using nested for loops.. * * * * * * * * * *********** somebody please help me with the logics.  |
| | hi all !! i am new on that forum, and i have just started C++ programming, i know some basics. now i would like to start developping a program, i need some idea that could be evoluted everytime, so i work on it while i improve my programming skills. thanks … |
| | the basic idea is that i have a config file where i need to take entries in different formats(the key is always a string and the value could be any type: int, float, string etc) from and the file has the following style: firstentry 1.5 secondentry 35 thirdentry somestring and … |
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 | I'm trying to make a simple linked list example. I am using the dynamic method of memory allocation. #include <iostream.h> struct node { int INSTRUCTION; node * next; node() { next = NULL; INSTRUCTION = 0; } void setnext(node *P) { next = P; } void DELETE() { delete this; … |
 | What is the best and efficient way of redirecting streams from a parent process to child process. There are a number of ways i found out like boost.process, fork() and createprocess(). But what is the best way for windows? |
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