51,593 Topics
 | |
| | Hi, I created an array of numbers which converts into letters through a number generator. I need help sorting my array letters[j] so that the output can be printed in alphabetical order. After, I am storing it in a Linked List and printing it out. So far, it just prints … |
| | I'm having trouble getting the right operator to be accessed using polymorphism. The code below is a simple representation of the problem, but it should get the point across. [CODE=CPLUSPLUS]//Horse.h #ifndef HORSE_H_INCLUDED #define HORSE_H_INCLUDED #include <iostream> #include <string> class Horse { public: Horse() {} Horse(int age) : itsAge(age) {} virtual … |
| | Hi, I have searched the internet high and low but all posts I have found on this topic have been confusing to me... It is quite clear that there is something basic I am not getting... please help... My applications are written in VC++ 2008 Express and all source code …  |
 | A roman to decimal converter, no validity checking, so inputting an invalid roman number will certainly just yield a wrong result. |
| | I have two arrays both have a defined sized for each element that was filled when reading from a file currently but have a max size of 50 I have array 1 [4] I have array 2 [2] However, my main point is I have to process these two arrays … |
| | Hey, im in my first computer science course and im having a really hard time. i have two questions on an assignment which are stumping me one is: 1. Create a function bulk-price that determines the amount of savings possible by buying soil delivered by the cubic yard instead of … |
| | Hello I am trying to figure out how to create a number generator to generate a number between 65-90 (ascii capital letters) and 97-122 (ascii lowercase letters). I need to convert the number to a char and then put the char in the linked list in order while ignoring duplicates. … |
| | i have to write a c++ program that will calculate the weekly pay for the employees of a company and the total amount of the payroll. input for the program will be the employee number number (int), status of the employee-exempt or non exempt (int).(Exempt employees receive pay for a …  |
| | Hello, I am new to C++ but I have built an indexing app over the past 2/3 weeks using C++ Standard Library. This went very smoothly but I now want for the first time to bring in an external library called libcurl. I have attached a Build log which seems …  |
| | I am new to C++. This is a homework problem. So if anyone gives up their time to help me it is greatly appreciated. I have perfect number program, I can get it to run if all my code is in the main. The assignment requests that I use a …  |
 | hello, can somebody help me in learning file i/o in c++? i would be very grateful  |
| | Hey guys. These functions are not working together correctly because of the true/false statements. Can someone please show me how I can fix the empty() function to work simultaneously with my other function provided? :S My getSmallest() function will not return the value due to the empty() function.. [code] bool … |
| | Ok I need help on this Freshman year project-( so it should involve loops, arrays/strings,fstreams and functions only) A CSV file contains airport info: [QUOTE]ABZ,"Dyce","Aberdeen","Scotland, United Kingdom","GB",57.200000,-2.200000,493,\N,"Aberdeen",2657832,2638360 EDI,"Turnhouse","Edinburgh","Scotland, United Kingdom","GB",55.950000,-3.350000,493,\N,"Edinburgh",2650225,2638360 BXE,"Bakel","Bakel","Senegal","SN",14.916667,-12.908333,569,"Senegal",\N,\N,2245662 MFV,"Accomack County","Melfa","United States","US",13.633333,39.133333,67,"Verenigde Staten",\N,\N,6252001 ADK,"Adak Island Ns","Adak Island","United States","US",51.878056,-176.646111,67,"Verenigde Staten",\N,\N,6252001 LIT,"Adams Field Airport","Little Rock, AR","United States","US",34.729444,-92.224444,67,"Verenigde Staten",\N,5035199,6252001 ADS,"Addison Airport","Dallas","United … |
| | This will go faster if I show you what I want to do. [code] class matrix { public: double *x; int clms, rows; matrix(int unknowns) { rows = unknowns; clms = unknowns + 1; x = new double[rows * clms]; } matrix operator = (double a[]) const { matrix tmp(rows); … |
| | Hey all, I'm a computer Eng. student. I do seriously need a graduation project idea so I can start working on it! I've taken these courses: C++ Object Oriented Programming Data Structures Computer Architecture Microprocessor 8085/intel Computer Interface Hardware what I like the most: c++, microprocessors & Hardware. Any ideas … |
| | Hello, I am terribly confused on how to start my most recent programming assignment. I am to use an abstract class (shapeO) to create a child class (animShapeO). The program is supposed to create rectangles and moving them (hypothetically as there are no graphics involved) across the screen and when … |
| | This is my code below. If i were to enter 2 3 2 3 3 5 4, i were to get 0 0's 0 1's 2 2's 3 3's 1 4's 1 5's 0 6's 0 7's 0 8's 0 9's #include "std_lib_facilities.h" int main() { int num; vector<int> group; … |
| | Wondering if someone can help me. I've been working on a form in VS2003 and trying to enable text boxes on that form to accept input to populate columns in an existing SQL server. I'm trying to perform the task entirely through the IDE (is it possible?), since my C# …  |
| | Hey, Im new to this forum, and I have a keylogger. Everything works fine except for the ftp upload function which doesn't work, meaning that the program records the keys etc. but doesn't send the log to the ftp server. Any ideas why? [CODE]#include <windows.h> #include <Winuser.h> #include <string> #include …  |
| | I'm trying to allocate memory delete it and then allocate it again with more, less, or the same. I've tried this several different ways, but I don't know how to do it or if it can be done with any similarity to my attempts. In my test program it should … |
| | First off let me say please don't tell me another sort to use. I am being forced to use the QuickSort. Anyway I have some code written out and it compiles and runs and messes with the order of the list but does not sort it. I'll post the code … |
 | Hi, I have done a lot of regex in perl and feel like in no mans land in c++ :) Well I want to parse a tab delimited file and want to print specific fields as per my needs. One more thing the input file may not be sorted and … |
| | Hi all, I'm not sure a allegro questing should e posted in Software Development>C++ but all other allegro questions are in this section, so here goes. Im doing some Genetic Algorithms, and normaly used OpenGL for doing the graphics, but now I reprogramming the GA to run on multicore systems, … |
| | The output of the code below is: start Caught One! Ex. #: 1 Caught One! Ex. #: 2 Abnormal Program Termination I don't understand why the exception isn't caught. [CODE]#include <iostream> using namespace std; // Different types of exceptions can be caught. void Xhandler(int test) { try{ if(test) throw test; … |
| | i want solution program for this program...... Given a string and a non-empty substring sub, compute the largest substring which starts and ends with sub and return its length. test cases: strDist("catcowcat", "cat") → 9 strDist("catcowcat", "cow") → 3 strDist("cccatcowcatxx", "cat") → 9 |
| | Is there an easy way to capture a firefox browser address(url) in c++? I'm trying to check if a page pops up after a click event, the test address is known and static. Any help would be greatly appreciated, thanks! |
| | Hello. I am a new member of this web site. The reason for joining is that when I experienced some problems , I found most solutions on this website. Sadly, I cannot find all answers to my problems. That's why I am here now and I want to ask you … |
| | Hi, I currently been given a task to convert C++ program to Vb.Net which I'm not very familiar with c++ because of long time never used it since my university times. Can someone suggest which C++ book or e-book for a good stater and which environment suits best for me. …  |
 | In the Quake 4 console, there is a "spawn" command, then you put the class name of what you want to spawn, eg. "spawn weapon_railgun". >Meaning that it tried to construct the weapon_railgun class from this input. If the class that you specify is not one that can be spawned, … |
| | Hi all, Please help me in writing a program to find the similarity between two texts and return a percentage value. Code must be efficient . Regards, Raj |
| | Hello All, how can I create a member function for a class that is reading from a txt file, which is reading computer network addresses and names for the addresses. I was guessing they need to be string and 4 ints data type. Example of data.txt file input 111.22.3.3 "green … |
| | What am i doing wrong. Tadd.h [CODE]#ifndef ADD_H_GUARD #define ADD_H_GUARD int add(int a, int b); #endif[/CODE] Tadd.cpp [CODE]int add(int a, int b) { return a+ b; } [/CODE] Taddmain.cpp [CODE]#include <iostream> #include "Tadd.h" using namespace std; int triple(int x) { return add(x, add(x,x)); } int main() { int xi; xi … |
| | Hello Everyone, I just started to program and I'm having a bit difficult with it. Can someone run this code and please explain to me these errors and why they are not compiling. Error 1 error C2228: left of '.setFirstName' must have class/struct/union c:\documents and settings\administrator\my documents\visual studio 2008\projects\projec314p\projec314p\project314p.cpp 71 … |
| | I am a total beginner with this, started a couple days ago. I have no idea on how to get numbers in order, I have to have a user enter 3 numbers and put them in order, help is appreciated [CODE]#include <iostream> using std::endl; using std::cin; using std::cout; int main() … |
| | Hello, in attached file there is a mistake in code I think, it compiles well under Linux, but whole program show this error: [CODE] [CONFIG] loading file [mapcfgs/map.cfg] [CONFIG] loading file [mapcfgs/] [/CODE] It tries to load conf file twice, I am not hard in C++, but I think the … |
| | Hi -- After lots of searching I cant seem to find an answer (well one that I understand at least..) I want to make the variables wobstacle, waisle, and wturn ONLY numbers where a user cannot input a letter and break the program. I was thinking of something along the … |
| | I'm trying to compile a program that I created that takes a number and finds its average and reverses it. It's a very simple program, but when I try to compile it with g++, it gives me an error. Why won't it compile? What code is wrong? [CODE] #include <iostream> …  |
| | Sorry about the title of the thread, I was looking at the wrong problem. For our class, we're supposed to get a sentence from a user and output the number of three letter words entered. Here's what I have so far: [CODE]#include <iostream> #include <string> using namespace std; void main() … |
| | I'm really having trouble spotting where my seg fault might be and I know a fresh set of eyes will help. Basically [code]start_ptr[/code] is the head pointer and [code]start[/code] is initialized to 0 and [code]end[/code] is initialized to the number of nodes in the list. here's the code [code] node … |
| | Not necessarily hard I just have a hard time where to exactly inherit the , I have a bass class and 2 separate classes which inherit the base class Lets class base class - Class A Other two classes - Class B and Class C Class A has the following … |
| | using linked list or somthing.. |
| | I have been posting a bit about my current side project, a scripting language interpreter. I have gotten past my getline error I talked about in a previous post and am now trying to get the results from the script. I created a map of all the labels in the … |
| | So, hi, this is my first post here. I can't find a good source for my problem here. My problem: Creating a linked node using classes. I managed to create a list of linked nodes but the problem was that I forgot to delete the nodes I created so now … |
| | The following is a function that compiles just fine, but when I run it, I get a "Debug Assertion Failed" and it says "list iterator not dereferencable". As far as I can tell the error occurs at whileIter++. I've looked at examples of iterators and how they are used, and … |
| | My teacher wrote this code. i am having trouble understanding what is going on in the code. can someone please help me by commenting in the program if you can tell me the importance of the functions and how everything works. please help me.... i'm a noob programmer #include <iostream> … |
| | i wonder how to initialise some value in the linklist ,before insert the new node value? [CODE] #include <iostream> #include <conio.h> using namespace std; struct employeeInfo { string name; int id; string department; employeeInfo *next; }; const int SIZE = 10; employeeInfo employed[SIZE] = {{"Michael bay",1234,"Design"},{"Enrique",5678,"Production"},{"Fernando ",9012,"Management"}}; class List { … |
| | I get the warning control reaches end of non-void function and I'm not seeing what causes it. [code=cplusplus] double ExprTree::evaluate(TNode* p) const { if(p->data == "+" || p->data == "-" || p->data == "*" || p->data == "/") { double op1 = evaluate(p->left); double op2 = evaluate(p->right); if(p->data == "+") …  |
| | [code=c++] // #include <iostream> using namespace std; int main() { int age; int weight; int height; cout << "Enter your age." <<endl; cin >> age; cout << "Enter your weight (in inches)." <<endl; cin >> weight; cout << "Enter your weight (in pounds)." <<endl; cin >> height; if ((age >= … |
| | I need some help on Arrays. Here is the project I'm working on. Write a program to read the items into two arrays, x and y, of size 20. Store the products of corresponding pairs of elements of x any in a third away, z, also of size 20. Print … |
| | Hi, I am new member of this forum, and i find it quite interesting. Here is my problem, i have some work for school that have to finish fast, and of course I google it, and found it here :) But there seem to be little problem, code that I've … |
The End.