49,757 Topics
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| | Hi I wish to write code which models scales based on different intervals and need to be able to get my sound card to play different frequencies - imagine tuning a guitar to say C# plus a little bit more. Is it possible to do this with MIDI and if … |
| | Hello I have a function that writes some text to a text file. [B]My Problem is:[/B] At one point I try to erase an element from a vector ,but I get an error & I dont know why, it looks sytaxically (is that a word? :)) correct & I am … |
| | Hey. I've written a bit of c++ code to move columns of data from similarly named files (file20.txt, file40.txt, file60.txt etc) into a single file. Unfortunately there seems to be at least 1-2 errors (which I cannot seem to fix :S). I'm trying to take data from a list of … |
| | hey everyone, ive been making some simple games recently with c++ and sdl, I use Dev-cpp as my compiler. I just was making a game where a missle follows after a planet, and it freezes after a few seconds of playing. When I debug it however it doesnt freeze. I'm …  |
 | I have this encryption program that I spend a lot of time writing I am a beginner but I consider it a nice program except that is is way to slow, can you see anyway to speed this up? Thanks. I know you don't like doing stuff for us but … |
| | Good am can i ask for a example of primitive operation that has implicit argument and its explanation.. Thank You  |
| | Well trying to conserve memory I'm trying to get my program to only make an array of what is needed nothing more. I've already figured out that the only variable i could use to set how many there is in a array is a [B][COLOR="blue"]const[/COLOR][/B] but according the the compiler … |
| | Hi, [B][I am experienced][/B] I would like to create a virtual 3D world. I am familiar with SDL and 2d graphics programming. I am experienced with C++ and I know a little Java (I have enough programming experience to learn a language quickly). I am familiar with the traditional game … |
| | How do you add a character containing a number char to a number int? What does it mean when '0'+3 is '3'? (3 being an int) I remember being told once, but never got the hang of it. |
| | [CODE]#include <iostream> using namespace std; struct student { int ID; char name; char nationality; char gender; }; void record(student array[]); int main() { cout <<"Welcome to student recording system"<<endl; cout <<"Please choose one of the following option"<<endl; cout <<"1.Insert new record"<<endl; cout <<"2.Delete record"<<endl; cout <<"3.Sort record"<<endl; cout <<"4.Display record"<<endl; …  |
 | Hello, I'm learning C++, then i want to know how i can do a convertion of an decimal number to an hexamal number, i know the calculation form to do this, but the thing that i don't know is how i can represent the remain in the formula. Here is … |
| | Hello, I am attempting to create a minfilter, or possibly something else. I will explain the problem and hopefully someone will be able to point me in the right direction. I need something that will intercept requests to a certain harddrive from windows, weather this is through windows explorer, or … |
| | int main(int argc, char *argv[]) { int mobile, pond; float a; cout<< "input mobile price:"; cin>>mobile; cout<< "input 1 pound how many BTH:"; cin>>pond; mobile+pond==a cout<<a;  |
| | Hi, I was just wondering how to convert a vector<string> to vector<int>. I am using the transform function from <algorithm> but I am not sure what the format is. [code] vector <string > string; vector <int> int; tranform(string.begin(), string.end(), int.begin(), atoi); [/code] Get a compile error. Could anyone tell me … |
| | Hey Programmers, Is there any better way to write the below recusive functions, plz help me so i can improve my programming... 1- Write a recursive function that takes a nonnegitive integer and returns the sum of its digits, [code=cpp] int DigitSum(int n){ if(n == 0){ return 0; }else{ return … |
 | Well I am making an AFK Bot for a FPS game called Combat arms. What it is supposed to do is Move Up, Down, Left, and Right by itself while I am AFK. I want it to press Spacebar to jump too. I also want it to Press the Left …  |
| | cout<< worked out for every other pointer data type but... when char is fed it show the pointed address.....(which every one knows) but i want to see the address stored in the char pointer how to see it.. i was thinking using `printf()` but ruined out by not knowing what … |
| | Hi Guys i'm new here so please be kind Thanks .... I need a serious help in my assignment which due this coming friday.... i need to create a Patterns by writing a function with prototype [B]char* matchPattern(const char *text, const char *pattern)[/B] i have to match a-z, A-Z or …  |
| | I'm having a ton of trouble reading the text from a file into an integer array, the file contains 3 lines of 1,000 integers from 0 to 1. The array is myArray[3][1000]. So far I've tried to use a stringstream to no avail and I've attempted to use a few … |
| | Hi All, I'm trying to make a routine that returns node number XX from a BST. The nodes are as follows: [code=syntax] struct Node { signed int type; Node* child1; Node* child2; }; [/code] I can easily count the number of nodes by [code=syntax] long Pheno::CountNodes(Node* n) { if(n==NULL) return … |
| | Why Can`t member function be called by pointer object of class/struct. i was trying to call the member fuction of struct though pointer object it showed me error like request for member 'Table::reveal' in `T1`, which is of non-class type 'Table*' where, Table is structure reveal is member function T1 … |
| | Hi, I am writing Screen Capture application in c++. I want to take control of mouse click from OS because, if start menu is open in windows OS, when i click for take region selection on desktop the start menu is automatically closed. But i want to take snap image … |
| | hello everyone i have a huge problem developing a windows service i'm trying to develop some app that reads information from WMI and sends it via amqp (using apache qpid client) everything [B]works fine[/B] on [B]windows xp[/B], but problems appear on [B]vista[/B]: when i start the program i get an … |
| | I am learning how to manipulate strings this week and I am stuck on a program that is suppose to let the user enter a particular item number. The program should then check to see if the entered number is 5 digits long. if its not it should say invalid … |
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 | My goal is to "master" C++. I barely learned up to classes... destructors within a month from watching videos on youtube. My question is how much more do I have to learn to be like you? It seems like long way to go... I feel discouraged already after reading 7 … |
| | please help me... i don't know which line of code did i get wrong... the output is supposed to be: 1 12 123 but what i get is: 1 21 321 ...here is my code... i need to use while loop for this. thanks guys. [code=cplusplus]#include<iostream> using namespace std; int … |
| | I have this encryption program that I spend hours on. I thought I had it all worked out but no. What could be my problem can anyone help me. You can ignor the void doSet() I will ad that later. Thanks. |
| | hello everyone... i wrote a basic program for my C++ class that includes SUMs and while loops. its fairly self explanatory, but i am not getting the correct SUMs for my outputs. apparently, i am missing something extremely important somewhere here. can someone take a look and give me a … |
| | I spend 6 to 7 hours each day practicing c++ and visual c++ but end of the day I think I don't have any Test or homework. Please anyone can provide with some site helping with the same. Thanks in advance JIten |
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