51,593 Topics
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| | Hello, I know that this is an old thread, but for me it’s new.. I faced this situation where the screen quit instantly, and I knew now that using system() and cin.ignore() aren’t good solutions So, I used the pause(); function, and it goes ok unless there is a data …  |
 | If I make my own math header with similar functions as math.h, can I possibly make it as fast as the implementations of math.h, or does math.h use special hardware or something? |
| | Hi, I am using visual c++ 2008 for my OpenCV2.1. when i tried to debug in step into mode it shows. "There is no source code available for the current location." I am wrong in setting up some thing , if then guide me pls...  |
| | Hi , i am working with openCV 2.1, its very difficult for me to find source for the routine cvLoadImage . I really need to know how does memory is allocated while cvLoadImage is called for my project. could any one please help me on this issue. with regards, sabarish. |
| | Hey guys i got a question to solve, can anyone help me out.. Write a C interactive program that will encode a word or sentence entered by a user. The encryption will be done as follows: For any word or sentence (note: blank spaces, special characters are ignored here, i.e … |
 | Hi I want to learn network programing, but I dont know where to start. I want to do windows networking. Help please |
| | I am working on an assignment for school and i seem to be having some issues. I am using OpenGl with free glut, and attempting to animate a pendulum. I can draw out the pendulum, but cannot determine how to make it swing. I have to make it swing from … |
 | I've been working on a Linked List assignment. I completed it but I still have a problem on deleting an element that has a predecessor or after an element and inserting an element after an element...can anyone give me an idea? This is what I have so far [CODE] #include …  |
| | Hello c++ experts. Please help me with this kind of program >.< i wanted to make my integer converted to string. For ex. I input "1" and the output must be in string "one". Sorry if i request this just need this for my homework. Thanks in advance! |
| | Ok sorry, extra typos today using an international keyboard with autocorrect on. Ok I Want to mâle a text bases screensaver. I Know how to ... **BEEP** KEYBOARD STUPID IPOD!!!... use console App n stuff how do I make it a screen saver. (I watt a little thing in thé … |
| | I am working on a "searching" program. But it always returns a "." as the up directory or whatever. And I can't do an if statement to check if its a period or not. The goal is to get the only name of the folder in that directory. There is … |
| | Hello, I`m just starting to get into the basics of C++ and I have to create a following program - basically the user has to input an integer and a digit of their choice and the program has to check whether the square of that integer contains that specific digit … |
| | Hi! It's me again :) I have failed with my C++ code once again. This time it's with vectors. [CODE]string show_actions(){ vector<string> actions; actions.push_back("end"); actions.push_back("hunt"); vector<string>::const_iterator iter; cout <<"All of the possible actions are : " << endl; for(iter = actions.begin(); iter != actions.end(); ++iter){ cout << *iter << endl; … |
| | ok so far i got this!!! but what i realized is that when i run the ouput 1 2 3 4 5 it gives me the correct output but if i put the value as 3 6 7 8 4 !!! it arranges the number as 3 4 6 7 … |
| | I'm new at this so sorry if my vocabulary and stuff is totally off. With the following syntax, my goal is to call the choose_number function, which, when given two arguments (integers), returns one of those two at random. I run it multiple times with a for loop but it … |
| | Hi everyone, I was wondering if anyone could help - at the minute I have a program that records how many bytes are received over a set interval (for example, 500 milliseconds). How would you calculate how many megabits have been received per second if the sampling interval will always … |
| | I am having trouble finding the real trouble in my program to insert into a Binary Search tree. [CODE] //BST #include<iostream> using namespace std; class bst { public: int data; bst *lnext,*rnext,*root,*prev; public: bst() { lnext=rnext=root=NULL; } bst* addBST(bst *p) { if(root==NULL)//if tree is empty { root=p; cout<<"\nRoot Inserted!"; return …  |
| | Hi there pleasse help. I get the warning C4700: uninitialized local variable 'BottlesLeft' used. [B]Here is what the CalcNrCases is supposed to do:[/B] A value-returning function called CalcNrCases( BottleType, NrBottles, BottlesLeft ) that will calculate and return the number of full cases (NrCases) as an integer. It will also calculate …  |
| | I need to get the outputs of each process to strictly alternate. however after i select which process to out put first my program gets stuck. Any help would be much appreciated i have been stuck for awhile. code follows. [CODE]#include <stdio.h> #include <iostream> #include <stdlib.h> #include <sys/types.h> #include <fcntl.h> … |
| | Good day to all, I'm doing a project about inverse permutations from an array of permutations. It's my first time coding on permutations so I don't have any experience on this. So I came up with a solution to just swap the array and the element number as the inverted … |
| | I'm just starting to learn c++ and need to know how would you read the first line from a file and write to a new file? thanks |
| | Given the number of commodities bought, create a program that computes the total amount purchased in a fast food center. Assume that the following unit price of each commodity Fried Chicken= 29.75 Cheese Burger= 25.00 French Fries= 18.50 Soft Drinks=14.25  |
| | I need help making two substrings(I think) to get the integer values (course hours, grade) for each course. I thought I had it but every time I ran the .exe it would crash after obtaining the name and major, so I deleted that code altogether. It'd be grand if someone … |
| | Hello All, My son (14) just finished a course on C# and I'm looking for some practice assignments for him. Can anyone tell me a good place where I can find such? Thanks in advance. |
| | Hey everyone I'm new here and I need help with a homework assignment that allows the user to make change. The assignment is as follows: You will write a program that will calculate the minimal amount of coins needed to make change for some amount of cents. The program will …  |
| | Is there any way a user can input numbers into an array like you can in c++??? Or strings for that matter????  |
| | if you declared/defined a virtual function for a class and redefined it in a derived class so that when you call the derived class it calls its own version of the function and not the base class function , how do you call the base class function on the definition …  |
| | I am compiling a VC++ source file in VS2008 licenced edition. Using the following header files: #include <regex> But I am getting the below error while compiling. fatal error C1083: Cannot open include file: 'regex': No such file or directory Please advise what Iam missing here.. :( |
| | Dear Sir, I am tring to convert integer to string and using string for further find and replace operations. While doing so I am using for loop to for integers and then wants to store all these integers in strings. But I did not succeed. But If I use only … |
| | friends i am learning visual c++ 6.0.i need to know how to connect the database(oracle).can you tell me how to do??.give me some example.... mfc application connect to oracle database,any example ??? thanking you  |
| | hey can any 1 help me out here coz i am new to c++ and have couple of errors Using a program that gets the product of even numbers and sum of odd numbers between 1000 and 100, demonstrate the syntax and implementation of the different types of loops. have … |
| | Ok my question is: How I can create a window into my window.(My dialog is ready in .rc file) I want to complete my level editor for my new game but I've got problem with the toolboxes. I've got one white filled window with menu. Menu>>Tools>>Object Manager. When this is … |
| | heyyy guysss....just trying to make a code to proove .999=1 any ideass?? :)) ty!! |
| | I am trying to create my login system but I have got a problem with reconizing the value from a file. getline(fstream) recognizes it and puts it in a char(reg_confirm), but I can't set a different function for a different value. it should go like this: if (value == "0") …  |
 | Dear Friends I have a dataset like below. 1 means Straight line with startPointX,startPointY,endPointX,endPointY. ////////////////////////////////////////////////////////////// 1 0.000000 24.600000 -15.500000 28.575000 1 -15.500000 28.575000 -37.700000 28.575000 1 -37.700000 28.575000 -37.700000 36.515000 1 -37.700000 36.515000 -59.920000 36.515000 1 -178.200000 52.000000 -138.200000 52.000000 1 0.000000 24.600000 0.000000 19.000000 1 -125.421613 36.515000 -138.200000 52.000000 … |
| | hey please could you help me out i have a problem with this code the normal cash is taking me to the transfer[CODE]#include <stdio.h> #include <conio.h> void main() { char x,ch1,y,Y; int pin=12345, account=12591,account1, choice; int fcash, famount; //char login[10]=’joeliwain’ int withdraw, deposit, transfer, amount; printf(":--------------------------------------:\n"); printf(": Welcome to ATM … |
| | hi all, i have the server code and client code, but it cannot communicating with each other. i try to run it in 2 pc but happen error. i do not know what is the problem, please help me. server code: [CODE] using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; … |
| | Hi , I am good at C# concepts, but i am looking to gain expertise on C# programming (developing tools e.t.c) Can any of you please share some links, which contains good basic programs and projects. Thanks in advance. Regards, kumar |
| | I have created a header file and a main.cpp file in Visual Studio C++. I have the concept down but i'm not sure that my program is written correctly as it is failing with teh following error; error C2447: '{' : missing function header (old-style formal list?) I want to … |
| | #include <iostream> #include "Invoice.h" using namespace std; int main() { string description; double price; int quantity; cout << "Enter the description: "; getline(cin, description); cout << "Enter the unit price: "; cin >> price; cout << "Enter the quantity: "; cin >> quantity; cout << endl;//a new line //create an … |
| | I've created a list of strings and load a text file in it. once list is created, the program have to read it, do something and write results in a new text file. [CODE] ofstream f; f.open("filename.txt"); string key; list<string> text; static char ALPH[21] = {'A','B','C','D','E','F','G','H','I','L','M','N','O','P','Q','R','S','T','U','V','Z'}; int* index_t = new … |
| | Ok how would I make a program take one file (thats not a text file) and save with a different name like there is a file with asdf.7z and I want the program to save a copy of it as qwer.7z how? And is there any way to do something … |
| | [CODE] struct S{ int i; double d; S(const S & incoming_S):i(S.i),d(S.d){} }; void test(){ S myS=S( /*temporary variable*/ S(23,3.14) ); } [/CODE] Questions: 1) During initialisation, is the temporary variable S(23,3.14) actually created or can it (and is it actually for typical compilers such as VS2008) optimised away? 2) Same … |
| | I am trying to get the number of months on one side to pay a car loan off and then the other side to have a decrease in the money owned. I have been staring at this thing for about 2 hours and i dont understand why it won't subtract … |
| | Well how would I do it? Make something like winrar but alot less compresstion ratio and in a cui? PS sorry for not answering many questions alot of this stuff is in a different side of c++ I dontnormaly use? |
| | I wrote a program that creates a text file with some letters using ofstream. Now I would like to format the text so that the letters are written in groups of 5 and the rows are all the same length( i.e. DANIWEBFORUM becomes DANIW EBFOR UM). To do this the …  |
| | I have a function C++ file, created in VS 2005. But I am not sure how to register that function in mysql, so that it get stored somewhere in mysql database and when the query runs, it should retrieve the func definition from the database itself.. Please guide me with … |
| | So in the beginning, Im sure i can ditch #include <string>... Im sure at the end, where i have a million cout's (42-69) that could be simplified (i feel like the inverse of the distributive property in math could be applied. I want the ouput to look the same. this … |
| | please help me with the code behind file..as i am really confused...otherwise give me some tips to start doing the code |
| | Can someone help me I keep getting an error code on this line and I cannot figure it out. cout <<"Encrypted digits:"; << digit_three; digit_four; digit_one; digit_two; << endl;// display encrypted numbers ________________________________________________________________________________________ #include <iostream> // required to perform C++ stream I/O #include <iomanip> // required to perform setprecision stream … |
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