51,593 Topics
 | |
 | hey guys, i need to pass 'this' as the template function parameter.. any help will be appreciated. |
| | plz mention me the errors i dont understand what i do.. [CODE]#include<fstream> #include<iostream> #include<string> #include<ctype.h> #define _TABSIZE 4 using namespace std; int tabsize = _TABSIZE; class token { public: token() : _what(code) {} public: enum type {code, comment, pp, keyword}; string _str; type _what; friend istream& operator>>(istream&, token&); friend ostream& …  |
| | Write the function my_strrchr(). The function has two parameters: a const char * s pointing to the first character in a C-style string, and a char, c. Return a pointer to the last appearance of c appearing inside s and NULL (0) if c does not appear inside s. is … |
| | I want to write a code that sort a cstring and put all the correct character into a new cstring, Here is my Code. [CODE] #include<iostream> #include<cstring> #include<cctype> using namespace std; int main() { char array[200]={"How Are U?"}; char array1[200]; int n=0; for(int i=0;array[i]!='\0';i++) { if(islower(array[i])||array[i]==' ') { strcpy(array1[n],array[i]); n++; … |
| | Please be patient with me for this is my time posting and I am still in the primitive stages of programming. I am using C++ VS. Thus far, the code I have written will prompt for a users first name, last name and telephone number(without dashes or parenthesis). The output …  |
| | I'm trying to get what I put in the value for the database to output, however whenever I use a cout statement with the a.name I get an error on line 21 which is the line with the cout statement. I've done it the way it is in the examples … |
| | Below is my code [code] string str2 = "1, 2, 3, 4, 5, 6, 7, 8"; string output; typedef std::tr1::sregex_token_iterator sti; const sti end; for(sti i(str2.begin(), str2.end(), regex(",\\s"), -1); i != end; ++i) { //output += "\"" + *i + "\", "; output += "\""; output += *i; output += … |
| | I have a script that is using the internet protocol 'Curl' I am sending a http _POST to a php file. To send a post with curl, I need to make a char variable with all my info. for example "name=andrew&country=usa" Here is where the problem comes in - One … |
| | I get the error " no match for 'operator=' in '* n->node::child = root' in the "insert" method and I don't know how to fix it. I know it has something to do with pointers and the way I initialized the array. What I want to do is is put … |
| | Hello. I am relatively new to C++ programming, and I have a question about a program that I am supposed to write. The assignment reads... Prompt the user for a word; call it SEARCH. Then begin reading words from the user, counting them until SEARCH is entered. Display how many … |
| | I am proficient in c++, however i know almost nothing regarding the windows api. What i want my program to do is intercept the CAPSLOCK key and ignore it (as if it weren't pressed in the first place) If the user presses SHIFT+CAPSLOCK it would toggle capslock on or off. … |
| | I have made revisions to my program. I gave up on the idea of using functions that return arrays. That was far too complicated for the expected benefit. This latest version compiles and runs correctly with all of the provisions required by the exercise. What remains is feedback on the … |
 | [edit] This code was originally posted [URL="http://www.programmersheaven.com/dow...3/ZipView.aspx"]here [/URL][/edit] The problem is to find all ways of placing n non-taking queens on a n by n board. A queen attacks all cells in its same row, column, and either diagonal. Therefore, the objective is to place n queens on an n …  |
| | Hey everyone. So I'm stuck trying to insert a class object into my List. I'll try to post what I think is code relevant to my question, but can post more if needed. Basically, I want to have an adjacency list that holds the adjNodes, which contain the weight and … |
 | I'm getting a few error codes on this part of my lab. I showed it to another colleague and he said that it should work as written. Maybe one of you can see the error that I'm missing. I'd love to be done with it and get it turned in. … |
| | I'm trying to input numbers in a binary tree with an array of random integers. But all I get is two numbers, and they are always the same! From the main: [CODE] const int length= 10; // This is used several places, hence the const int array[length]; // One of … |
| | |
| | I get a Segmentation fault error and I cant find what's wrong with the program. programs fails when it tries to execute this line "delete [] this->courseList" in operator = overloading function. [CODE=c] #include <iostream> #include <string> using namespace std; class Student{ private: //A string that stores the name of …  |
| | I need to write a program that generates a magic square of an odd number between 3 and 15. I have written out this much code, and when i type in 3 for the number it gives me the correct square. but any other odd number it gives me an … |
| | |
| | Hi, I'm kinda new here, and I've only been programming for 6 or 8 months, so please forgive me if I sound like a total noob or an idiot with programming. I've been trying to code for my school assignment two AIs that are supposed to navigate around a maze. … |
| | hi everyone, i have a problem in converting the c++ language to c language. can anyone help me to do this because i just learn programming. #include <stdio.h> void choosePlay(char); void playGame(int,int,int,int); void match(int[][4]); int r1,r2,c1,c2; char comma; int cards[4][4]={{1,3,2,4},{4,2,3,1},{5,7,6,8},{8,6,7,5}}; void main() { char click; char newcard; cout<<"@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\n"; cout<<"@ @\n"; …  |
 | how to copy output from borland output window to any where in notepad or ms-word ? |
| | Hello all, I'm having trouble with making a 2d vector array class. Would anyone have time to help with a couple of questions? I think my problem is with overloading (). I notice that this: [CODE]template <typename T> T& Array2d<T>::operator() ( int x, int y) { if( x >= rows … |
| | #include <iostream> #include <cmath> using namespace std; int main () { int numMonths; double balance; double numBalance; float rate; double totDeposited = 0.0 ; double totWithdrawn = 0.0 ; double mthlyInterRate = 0.0; double totInterest = 0.0; cout << " Enter the initial balance ===> "; cin >> balance; cout …  |
| | I just want modify the program below to print + or - minus after the letter grade based on the last digit. [CODE]// Chapter 6 - Exercise 1 // A professor generates letter grades using /* 0 - 60 F 67 - 70 D 71 - 80 C 81 - … |
| | Hi, I'm having a problem with this program. When I choose an option, all the program does is output three random numbers with letters in them. Do any of you know what my problem is? Any help is appreciated. Thanks for taking the time to read my program. - bookmark. … |
| | This is part of my Wumpus Hunt program. Suggestions were to clean up the main() part of the program by creating functions. I am working on that and ran into this difficulty (for me). The functions that relate to the rooms of the game need to return an array. I … |
| | Hi,I want to copy a few files to the Windows\winsxs folder ,but in windows vista/7 you cannot write files to that folder, apparently there is a user called "TrustedInstaller" only that user has write access to the folder. TrustedInstaller > Administrator. I tried to use "runas" for my process but … |
| | If a double is initialized with 3.0 than we get an exact double, I mean 3.0 is an exact binary number, therefore 3.0 has no error during the conversion. But for example 0.1 is not an exact binary therefore the number (double)0.1 has error in its last digit. I would … |
| | So i need help doing this project and heres what i have to do for the program i left some comments on what my code does etc, please help. Write a program to compute the square root of a number. DO NOT USE any math libraries in this program. You … |
 | Hi, I'm writing a large program but require Multithreading for this software. I've searched the web for just over an hour and now is just after midnight but still can't find anything simple. The only thing I saw that came close to what I need was at [URL="http://www.computersciencelab.com/MultithreadingTut1.htm"]http://www.computersciencelab.com/MultithreadingTut1.htm[/URL] but I … |
| | i have my program outputting a number grid that is nxn. i have it using a 2d array to output my grid but the issue im having is that when the user wants to input a number that is in the nxn grid, the value is not being replaced by …  |
| | Can anybody tell what I need to do to make this program restart after it finishes without having to exit? Some kind of loop or something...??? [CODE]#include <iostream> using namespace std; int main () { double operand1, operand2; double sum, difference, quotient; char choice; cout << "\n\nBASIC CALCULATOR\n" << "a. … |
| | How do I validate that the input from the user is a number and nothing else within each case? [CODE]#include <iostream> #include <cstdlib> #include <iomanip> #include <limits> using namespace std; int main () { double operand1, operand2; double sum, difference, quotient; int exit = 1; char choice; while (exit == … |
| | I am writing a calendar in C. I'm still very new to the language. I think i wrote most of the functions/algorithms correctly (it would be nice if you guys could check for any errors too). Now I'm having a tough time printing the calendar out In a correct format. … |
| | Hi folks, I'm quite new to C++ and I'm getting an exception I don't understand. I have a class named 'Rational' that performs calculations on fractions. It has a default constructor as follows... [CODE] //In Rational.h public: Rational(int num = 1, int denom = 2); //Default constructor void addition(Rational); void …  |
| | I hate when I have to acces a class data member like myclass.get_x(); I would like to simply write myclass.x; But I also want to stay with private x, I just want to read like myclass.x, but dont want overwrite it. It is somehow possible? |
| | i already did not turn in this lab but it is killing me. tell me why I am getting so many errors.... //This is the most confusing program in the world. I was not trained //correctly for this. But as long as the proffesor gives me the code //i can …  |
| | I'm trying to make a program that tells you how much of each type of bill or coin you will receive as change after you enter the total amount of goods you are buying and the amount you are paying with. But my program takes in the total amount of … |
| | I am finally learning about fstream but Im stomped with this problem that I have. I have a current file that I am opening. Each line of said file looks like this: D40001~10997~811~DANIWEB~555-555-5555~7.70~I~2111 There are around 5000 lines with different DXXXXX numbers. I want the user to input a dnumber … |
 | ifstream mystream(file_name); ofstream outputstream(filename, ios::out); do { mystream.getline(line, 100); mystream >> country_name >> happiness_value; total_happiness = total_happiness + happiness_value; count++; outputstream << country_name << " \t \t " << happiness_value << endl; } while (!mystream.eof()); the file ifstream is reading from is a .dat file, in this format: first 1 … |
| | ok i have to write a program that takes six test scores as input and stores them in an array. It drops the lowest score, and computes the average of the remaining five scores. It outputs the average score rounded to one decimal point. This is what I have and … |
| | Hey all, I am a relatively new programmer and am trying to use Boost regex for my program. My code is: [CODE]#include <boost\boost\regex.hpp> using namespace std; double scrape( string base, string match ) { boost::regex re(match); boost::smatch matches; string::const_iterator start; start = base.begin(); while( boost::regex_search( start, base.end(), matches, re ) … |
| | Write a function that accepts an array of integers and determines the product of each two integers. Although you can create a fixed size array in main, your function should work no matter what size of array is passed to the function. MY code: [CODE]#include <iostream> using namespace std; void … |
| | I am not sure if this is more software problem or C problem. Nevertheless, I am trying to run simple test code to check if my lapack installation is OK. [CODE]#include <stdio.h> #include <atlas_enum.h> #include "clapack.h" double m[] = { 3, 1, 3, 1, 5, 9, 2, 6, 5 }; … |
| | if any know about data structor I wana some help....? |
| | I have a program that lets me enter participants in a race, their startingnumber, their start time and end time. The program then tell me who won the race and the winning time. This is my program: [CODE] #include <iostream> using namespace std; int main () { int start_Nr, start_Hour, … |
| | Okay so I have a program that takes in up to 25 students and information for each including 5 test scores. All of that is done and working fine. What I am trying to do now is calculate the averages of each test 1-5 and then the total average of … |
| | Hello, I'm just learning C++ and I'm getting an error with a program that is driving me nuts, and I'm not exactly sure how to resolve it. Can anyone help me? [QUOTE] AreaCalculator.obj : error LNK2019: unresolved external symbol "double __cdecl AreaOfTriangle(double,double)" (?AreaOfTriangle@@YANNN@Z) referenced in function _main \\.psf\Home\Documents\Visual Studio 2008\Projects\AreaCalculator\Debug\AreaCalculator.exe … |
The End.