51,593 Topics
 | |
| | Ok, so basically I have a text file that contains the following: Resource3 "Actuator" Resource10 "Insert Exhaust Valve" Resource1 "6, 10, 18, 1" Resource21 "Emergency Stop" Resource2 "Cool Down in Progress" etc. etc. I want to read the file line by line and store it in a vector (this is … |
| | i still cant get an out put.. plus cin.get() doent work here.. why? [CODE]// to find factorial of a number #include<iostream.h> #include<conio.h> int main() { int i,m; cout<< "enter a number"; cin>> i; for ( int p=i;p>=0;p--) { p=p*(p-1); p=m; } cout << m; getch(); return(0); } [/CODE]  |
| | All right, the solution for this question might be awkwardly simple, but I'm totally lost and confused on this. I have created a Windows Form Application in Visual C++ 2010 Ultimate and included some resource files (BMP Images) in Form1.resX. For example, one of them is picture1.bmp. I have a … |
| | [CODE=cpp]#include <iostream.h> #include <conio.h> int main() { int number[5]; cout<< " enter the number \n"; for (int i=0;i<=5;i++) { while (i!=$) { cin >> number[i]; } } for (int i;i<='null';i++) { cout<< "number="<<number[i]; } getch(); return (0); }[/CODE] i have used a special character which tells the user to press$ … |
| | I have written the following for loop to demonstrate ceil() function of <cmath>. [CODE]for (double ceilDemo = 2.0; ceilDemo <= 3.0; ceilDemo += 0.1) cout << setw(10) << ceilDemo << setw(20) << ceil( ceilDemo ) << endl;[/CODE] The output is as expected except for the last iteration. I mean in … |
| | I would like to make pugixml print the node_pi as [code] <?xml version="1.0" encoding="utf-8"?> [/code] How could I manipulate node_pi through pugixml? Thanks |
 | I recently had an assignment that asked us to restrict the amount of characters a user can enter for his or her name. My professor said this is useful in the event that your program is being "attacked." The simplest solution was to use C strings: [CODE]#include <iostream> const int … |
| | Hi all, I've got a class which I would like to hold a stream used for logging. The stream should be able to be set (and possibly reset) after the construction of the object. It should be possible to set the stream as std::cout, or as a file stream to … |
| | I was wondering if there is a way to make it so that someone can only input a specific data type. My program ask for input of specific numbers for a menu. If I enter a character, the program crashes. Is there a way to make it so that it …  |
| | So I have written some code which reads a file line by line, breaking each line into characters and storing into a multidimensional array. However the program freezes and crashes at lines 31-34. When debugging the code runs successfully through the for loop once, then fails at 32 the second … |
| | I have to count the number of records being read in and print them to the screen. A record consists of: website name (temp.url), website revenue (temp.rev) and website hits (temp.hits). These are all read in and returned as temp. For the life of me though, I can't figure out … |
| | Not getting any compile error, but I'm getting an output that looks like: -858993460 5 4 3 2 Instead of 5 4 3 2 1. What am I doing wrong? [CODE]#include <iostream> #include <stack> using namespace std; template <typename T> void reverse(stack<T> &sk) { stack<int> tempStack; while(!sk.empty()) { tempStack.push(sk.top()); sk.pop(); … |
| | Hi! Can anyone please tell me where my mistake in this is? The information from the list has to be transferred to the tree. But only the first element is copied. [CODE]#include<iostream> #include<string> using namespace std; struct Person{ char first[30], last[30]; }; struct aList { char adr[30]; Person name[30]; int … |
| | In my program, I used a vector to store the file. The file contains the data (see below). Do I need to create two vectors to store the data below as integers and strings? Or is there a shorter way to do this, and just allow the user to enter … |
| | I get this compiler error: `Monster' was not declared in this scope, in this code: [CODE]#ifndef ROOM_H #define ROOM_H #include <stdio.h> #include <stdlib.h> #include <time.h> #include <vector> #include <iostream> #include "Monster.h" using namespace std; const int ROWS = 20; const int COLS = 20; class Room { private: vector<int> indexes; … |
| | I am attempting to create a sorted array for a class assignment but I am receiving a weird access violation error in my debug code. I have double checked all my values and nothing is accessing anything out of range. My code is below. Thanks. [code=c++] #include <iostream> using namespace … |
| | I am experiencing problems with this function: void move (Room&); For some reason the compiler is saying that this is a variable or field, here is the implementation: [CODE]void Monster::move (Room& room) { vector<int> iCoordinates; vector<int> jCoordinates; for (int i = x - 1 ; i <= x + 1 … |
| | [CODE]using System; using System.Collections.Generic; using System.Text; class BaseClass { public virtual void method() { Console.WriteLine("BaseClass method"); } } class SubClass : BaseClass { public override void method() { Console.WriteLine("SubClass method"); } public void someMethod() { Console.WriteLine(); } static void Main(string[] args) { BaseClass var = new SubClass(); var.method(); var.someMethod(); } … |
| | My program needs to take the first 5 numbers from a file, sort them and print them out. Then take the next 5 numbers and sort just those 5 numbers and print them out. However, when I try to sort them independently it is sorting them all together as if … |
| | I haven't coded something this complex in C++ before and I haven't had time to really review. I'm making a game (well, foundations for a game anyway), with an external game library, Allegro. But I think the problems I'm having is more fundamental to C++ in general. Included is a … |
| | Hi, I need help writing a program for the powerball game. so this is what i have so far. I am having difficulties in comparing the numbers generated and the numbers entered by the user. This is what i have so far. [CODE] #include <iostream> #include <cstdlib> #include <ctime> using … |
| | Hello, i want to ask, messing words in array is a good way to encrypt data? or can someone very easy to brake it here is an example [CODE] #include "stdafx.h" #include <fstream> using namespace std; // Decleration for functions void EncryptFile(char c[], int key1, int key2); void DecryptFile(string filename, … |
| | I have to read numbers from a .txt file and sort them. I am trying to use selection sort. The .txt file looks like this: 3 33.3 92.5 4.5 6.29 5.3 94.3 -7.455 4.66 -9.33 -211.2 .03 .12 0.34 4.83 2.494 I am now working on the first 5 numbers … |
| | Hello every body I'm trying to iterate through a list for a certian number of times using a for loop. below is the current code I've written, but this will iterate through the list until it ends. [CODE]list<FileInfo*>::iterator p = currentlist.begin(); while(p != currentlist.end()) { cout << (*p)->remainingtime << " … |
 | Hi all! I am quite new to C++ and just been hacking with stdlib. When I want to start hacking other things outside stdlib, like network aso. I get confused and can not find what I am looking for. I use GNU/Linux and want to use "native" libs for that. … |
| | |
| | I want to make a program that makes and extracts tar files from scratch a other sit said that using wikipedias specifications it's easy but I don't know how to do half that stuff! Like makeing the thing to the right size moving where it writes and reads to. Making …  |
| | I am trying to extract data from multiple files into one output file. At the moment I am able to extract the columns I want into a vector in a vector: [code] vector< vector<double> > out; //2D vector ofstream myfile ("example.txt"); //outputfile //the data contained in data[n][6] is put into … |
| | [CODE]#include<iostream.h> #include<conio.h> #include<process.h> struct node{ int data; node *next; }; class Linklist{ node *ptr,*save, *head, *tail; public: void ncreate(); void display(); void insert(); }; void Linklist:: ncreate() { while(1) { ptr = new node; cout<<"enter info:"; cin>>ptr->data; if(ptr->data==-999) { return; } if(head==NULL) { head=ptr; tail=ptr; } else { tail->next=ptr; tail=ptr; … |
| | What is the meaning of attributes defined by boost::spirit? [code] namespace qi = boost::spirit::qi; qi rule<std::string::const_iterator, double()> simple_rule = qi::double_ >> *(',' >> qi::double_); [/code] only double_, int_ equal to attributes or ',' also is an attribute? Thanks |
 | Netbeans is a free, open source IDE for developing software in Java. It's been around for almost 15 years, having gotten its start around the time Java began. Version 7.0 is about to be released, and I got my hands on the Beta release of this new version. In the …  |
| | Hi all, Sorry if this is a stupid question. Assume I have a code like this. [CODE] char *temp = "poiuytrewq"; std::cout<<*temp<<std::endl; //should print p function(temp); std::cout<<*temp<<std::endl; //should print i [/CODE] Basically my function() in the above snippet increments the pointer twice so that temp point to 'i' now. I … |
| | I'll keep it simple and hopefully whatever simple error I keep overlooking can be used as a learning experience for others. This program uses a user created file called patient.dat that contains the following: Smith Eleanore 110/73 Jones Tom 200/78 The error I am having is that Mr Tom Jones … |
| | Hello everyone, Like the headline says, my computer goes crazy when I run this program. The problem did not occur until I added lines 80-83. When the program is run, my computer starts beeping and weird characters show up on the console. Any thoughts on the problem and why it … |
| | I don't know what this problem is asking me to do : initialize both i and n in the same line. Initialize n to 0, and i to 0. This problem is in the Loop Chapter: for (int i = 0; i <= 5; i++) cout << i << " … |
| | [B]i want to open atleast 5 text files using switch case.pls suggest me a program[/B] |
| | hi! can someone help debug my codes? getline() works properly in my main() but if i'm putting it to another function, it ignores the first getline() w/o entering any words and goes to the 2nd getline. my program works like this: i have a menu() that lets the user to … |
| | Hello, I am currently doing an assignment where I have to read numbers from a .txt document into an array and later find the average of different lines of the .txt document sort them and what not. I'm not even close to the ladder parts of this assignment and I … |
| | [CODE]using System; using System.Collections.Generic; using System.Text; class BaseClass { public virtual void method() { Console.WriteLine("BaseClass method"); } } class SubClass : BaseClass { public override void method() { Console.WriteLine("SubClass method"); } public void someMethod() { Console.WriteLine(); } static void Main(string[] args) { BaseClass var = new SubClass(); var.method(); var.someMethod(); } … |
 | ok so in my program i'm supposed to read data from a text file and store it in arrays then make calculations from my array. so there will be three functions for the program 1 will be the readfile() which will read the file the other will be calculatedata() which … |
| | Im writing a program that uses sockets for inter process communication however i have come to a road block and cant get my code to compile. i have googled all the errors with no luck finding a solution. If any one can help me it would be appreciated. Here is … |
| | im trying to print the array 5 times, each time containing different numbers but it repeats the same random numbers. help please. [CODE] while(count<5){ fillarr2(ran1,ran2); printar(ran1,ran2,counting); } // functions void fillarr2(int raa[],int rab[]){ int ran1,ran2, i,count=0; srand(time(NULL)); for(i=0;i<10;i++){ ran1=rand()%15+1; raa[i]=ran1; } for(i=0;i<10;i++){ ran2=rand()%15+1; rab[i]=ran2; } return ; } void printar(int …  |
 | This program is suppose to input a date and output the day of the week that corresponds to that date. I have the program all done, but the code is not presented in the main() of the form. Im guessing i have to organize it a little more. any ideas … |
| | I need some help with a code I'm writing. The user inputs some letters, a loop is ran to check if it's a vowel or consonant, then when the user is done it returns the total amount of vowels and consonants. The problem I'm having is the loop is suppose … |
| | I am trying to print out a chess board on the console. The data structure i am using is a set of pairs. I am having trouble accessing the pair's elements. I do realize a map is probably better in this case but i am using somebody else's code so …  |
 | So, here I am again, with my mass of code, albeit with more progress. It's still got a long way to go, and I'm still not that good at coding, but man oh man have I learned a lot through this game. I come with a few more questions than … |
| | I made my console application up in Visual C++ 2010,have a icon for it,but don't know how to place it.I know it's not important and that i can use additional software for that, so answer directly, i just want to know. Thanks !  |
| | Hi, I would like to know how to add the objects of a vector?I wrote a code where it is adding the values to a specific object.I wanted to write a code where it can add all the values of all objects in a vector? |
| | Dear All, I have C programme where I want to make it run as a service under centos 5. How to run and monitor if there is any errors? |
| | Hi, I am learning C++ and am writing a program to create a Unique List of words. I am having problems getting my struct count field to increment in my createUnique function. After returning from the Search function, the count field within the struct needs to increment if the key … |
The End.