51,593 Topics
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| | Hi list, Three functions use the following items vector. Where/how should i put the vector to make this possible ? Any reference to related sources will be appreciated. [CODE] vector< vector<int> > items ( 6, vector<int> ( 6 ) ); [/CODE] P.S I tried to make it static but it … |
| | [CODE]// DETERMINANTS by a.w.k [COLOR="red"]#include<conio.h> #include<iostream.h> #include<stdlib.h>[/COLOR] int main() { int ex,choice,a,b,c,d,e,f,g,h,i,ans; char repeat; clrscr(); do{ cout<<"\n Determinant Solver [with Explaination]"; cout<<"\n Enter your choice..."; cout<<"\n\n Press [1] for 2x2....\n \n Press [2] for 3x3...."; cin>>choice; clrscr(); if(choice==1) { cout<<"\n Enter 4 values of Determinant...."; cin>>a>>b>>c>>d; clrscr(); ans=(a*d-b*c); cout<<"\n Entered …  |
| | I have a running calculator on VC++ and don't know how to get an exit button to work. (The X on top right works fine, but want an exit button) I have tried OnOK(); this->CloseWindow(); And other things. Still not managing to close the program from the button. Any tutorials … |
| | been studying c++ for a while and downloading sample codes in the internet.I just wanna ask what is cpu.h for cause im running this program (see codes bellow)many times debug all other problem the only remaining thing is that when i run it (im using dev c++) it always says … |
| | Hello, I have a strange problem and I need some help... I am working with a project that the compiler create a txt file and save the informations of the user as the user enter... The program create only ONE file and overwrite eatch time... The problem is that the …  |
| | In pascal, you can have something like the following: [CODE] type TPoint = record X, Y: Integer; end; TPointArray = array of TPoint; T2DPointArray = array of TPointArray; [/CODE] In C++ I tried to replicate this and failed miserably. [CODE] struct Point { X: Integer; Y: Integer; }; struct PointArray … |
 | Hi, I need to create 39 images in Borland and set what will they do if you click on them. It'd be really long time to create all these using classic method ( adding images, and setting OnClick option ). But I figured out how to insert so many bitmaps: … |
| | Right, i'm REALLY new to this whole thing, coding and everythiong. But for my first proper project I've decided to make a Text Based RPG. I've got most of it done now, but am having problms working out how to make random damage from the enemies. At the moment, each … |
| | need someone to please explain for me the program below for fibonacci.. urgent.. my friend need it for him to land a job.. need a hand for this one please #include<iostream.h> #include<conio.h> void main() < clrscr<> int a=0, b=1, c; cout << a << endl; cout << b << endl; …  |
| | hy guyz, I want to create a windows '[B][I]shell[/I][/B]'(CLI based) in [U]C++[/U] (like Windows cmd) which has ability to Create folder or file, copy and paste and delete folders or files... So plz help me and tell me the which libraries will use because i have no idea about this. …  |
| | Currently sending emails and setting the Return-path of an email(System.Net.Mail) works if i put : [CODE]MailMessage msg = new MailMessage(); msg.Sender = new MailAddress("not-deliviered@sample.org"); msg.Headers.Add("Return-Path", sReturnPath);[/CODE] but if I send a successful email it would say delivered on behalf of the email above.... any ideas how to resolve this not … |
| | Hi, I am looking for Code Analysis Tools to test ATL Projects using VS 2005. so far i have evalutated following tools: 1. FxCop 2. PREfast 3. Cppcheck [B]Problems i Faced with these tools[/B]: when i use Fxcop it gives message "FxCop Engine failed to load". The project i am …  |
| | Hi everyone:) I am still not able to complete this:( can anyone please help!!! [CODE]#include<iostream.h> #include<conio.h> class bingo { public:int a[5][5]; void input(); void play(); }; void bingo::input()//input a 5*5 matrix { int i,j,num,check=0,l,m; cout<<"\n Enter numbers 1-25\n"; for(i=0;i<5;i++) { for(j=0;j<5;j++) { cin>>a[i][j]; num=a[i][j]; for(l=0;l<5;l++)//check if number has repeated { … |
| | Here i have a working code, what i want to know is: When the user inputs elements to the array, i want it to be automatically aligned in form of an matrix. Instead of [ICODE] 1 2 3 4 5 6 etc....[/ICODE] But just as a matrix, like this [ICODE] … |
| | Although, I could easily state quite a few people will be bored with these, I couldn't find someone else with my problem. The code below runs, though doesn't decrypt. It gets to the first "Error: Unidentified Character" and ends. Any help great appreciated. [CODE]#include <iostream> #include <string> #include <array> #include … |
| | Hey guys, I am confused on how to do this code. The specifications are in the attachment. It is a word file. This is the code that I have so far. It does not work to what is asked for and I don't know where to go from here. [CODE] … |
 | Hi. I am just wondering how to restore a number that is in scientific notation. So, take a number that is in scientific notation, turn it into standard form, and resave the variable in standard form. here is an example of outputing the variable amount in standard form: [CODE]n1.setf(ios::fixed); cout … |
| | Hey guys I am learning CPP, I am looking for some topics material but I couldn't find any helpful material any where. It is also not available in my C++ Book, These topics are from older edition of C++. [ICODE] The Locator Design Pattern, Tracking Elements as they Move Defining … |
| | Turbo C++ is showing declaration syntax error with this statement. Help. void main() { test s; int ch,roll; char name[30],choice,join; clrscr(); It is showing the error with the ' { ' . I have used proper header files and stuffs, and this is just a part of my 700 line … |
| | Simple tic tac toe game against CPU, however, I'm printing out the results of the AI part and its coming up with some really large numbers that aren't suppose to be there. After the computer's first move, it just crashes and goes into endless loop. Where did I go wrong … |
| | Hi, I have to run purecov with purify in unix. What is the command to run both together in a single line?? What options have to be set for purify and purecov?? Please suggest me some solution... Thanks, GJ |
| | Hi, Could anyone please help me in writing code to convert Hex Values to ASCII Thanks |
| | [CODE][/CODE]hey, this program is supposed to display 50 random numbers, which is does already, average those numbers, find the maximum,minimum, and mode of the numbers. I haven't started on the mode yet, but i dont see why the other things don't work. Did I initalize it wrong? [CODE] #include<string> #include<ctime> … |
 | In a client server program ... generally when the server goes down the client on executing the send command 2 times returns a SIGPIPE signal . I want to know y this happens. The client must recieve sigpipe immediately when it sends a message after the socket connection is broken … |
| | the uploaded is a assignment and i want to solve this task using the library fstream and using the tellp ,seekg other functions also can some body help me in that how to use all these things..!!I WROTE A FUNCTION ALSO BUT IT IS NOT READING THE FILE??? THE FUNCTION … |
| | Hi I'm new to this. I'm a mechanical engineering student and have to learn c++, i have this book and there's a program source code. My question is: why do we need to include ctime in this code and what is it good for? [CODE]#include <iostream> #include <cstdlib> [B]#include <ctime>[/B] … |
| | My code has a successful build, but when I run it and type in my 5 numbers, it breaks. Any clue as to how I can fix it??? Much help will be appreciated. [CODE] #include <iostream> #include <sstream> #include <string> #include <ctime> #include <cmath> #include <math.h> #include <algorithm> using namespace … |
| | Hello I'm doing my project in C++ now. It's a Student Report Card Generator. So here's what I plan on doing: The file structure: ROOT/// --> Report.exe --> System Files -------> License.dat -------> ReadMe.txt --> Reports -------> Report 1 -------> Report 2 . . So, when the program is run, … |
| | hi, I am trying to make a variable equation solver using DEV-C++. I just need to know how to get C++ to solve an equation inputed by the user. So you input something like 1+1 and i need it to solve the problem and output the answer. heres an example: … |
 | I have explicity declared my array to be 450 characters long. But for some reason when I run the program I seem to be getting about 475 characters and they are all -52(ascii) from 450 to 475. I also do not seem to have a null character in my array … |
 | I'm using VC++ 2010 and Window 7 64-bit. In my project, I have 2 DLLs and one EXE (all being build 32-bit). They're all using the same runtime library (Multi-Threaded Debug) and I have checked that nothing is being deleted twice. I'm fairly sure that nothing is being allocated in … |
| | can you give me the code for the same but in c language. need it urgently |
| | Sudoku in C++. The program works but how do I check the minisquares? Please gimme a function. :( Pretty please? [code] #include <iostream> #include <iomanip> using namespace std; const int rowSize=9; const int columnSize=9; const int arraySize=9; int a[arraySize]; int print_values[rowSize][columnSize]={9,4,2,5,1,8,3,7,6, 7,1,6,4,2,3,5,8,9, 3,8,5,7,6,9,4,2,1, 1,6,3,8,4,2,7,9,5, 4,2,7,1,9,5,6,3,8, 8,5,9,6,3,7,2,1,4, 6,3,8,9,7,4,1,5,2, 5,7,4,2,8,1,9,6,3, 2,9,1,3,5,6,8,4,7}; bool … |
| | C++(pointers) problem reads input strings from a file and that replaces all the vowels to the '&' character INPUT: file.in Hi there! Hi Damon!!! Hello. OUTPUT: file.out H& th&r&! H& D&m&n!!! H&ll& c++ program... just implement it to pointers... ATTENTION: PLEASE GIVE ME SAMPLE CODE SAME WITH THE PROBLEM SO … |
 | I am trying to pass some url information into tokenize_urls from process_and_display_information. To get things up and running, I am simply trying to return and retain some array data from tokenize_urls into process_and_display information. However, I am running into an issue where the variables are created and sent back from …  |
| | Hi guys, I have developed this quite basic calculator based on windows forms and I was wondering whether there is a way to block any user input that is not a number. I am using two TextBoxes for getting the user input, then converting those string values into doubles for … |
| | I made a function that would allow me to get the current date and put it on a string in YYYY.MM.DD format. [CODE]string Date::getCurrentDate(){ char datenew[8]; char currentdate[8]; string s; int size; _strdate(datenew); currentdate[0]=datenew[6]; currentdate[1]=datenew[7]; currentdate[2]=datenew[5]; currentdate[3]=datenew[0]; currentdate[4]=datenew[1]; currentdate[5]=datenew[2]; currentdate[6]=datenew[3]; currentdate[7]=datenew[4]; size=sizeof(currentdate); s.assign(currentdate,size); return s; }[/CODE] I keep getting a … |
| | Hey all! I am writing an application that will read data coming in through a serial port (RS232) and write that data to a file. This file will then be parsed by a php script and the data will uploaded to a server. Is there a function that allows me …  |
| | Hi, i am adding a few lines to the multiline textBox in a Windows forms Clr application. However each and every time the vertical scrollbar goes to the bottom. How/Can it be stopped ?? [CODE] textBox1->AppendText(array[i]); [/CODE] |
| | I've looked around for about an hour and can't find anything that was to terribly helpful, or I didn't know how to use it. So here it is. [CODE]#include<iostream> #include<new> #include<cstdlib> #include<string> using namespace std; struct student { string name; double gpa; }; student doSurvey(student s); void reportSurvey(student s); int … |
| | I am a bit confused here; I have this expression [CODE] ! (1 && !(0 || 1)) [/CODE] What would this evaluate? I tried to see it in logic as I go the steps: NOT (1 AND NOT(0 OR 1)) //0 NOT 1? what is this mean? How I can … |
| | Hi All, I am using system function to invoke a jar file in MAC OS. But the jar file path has space in the folder name. [CODE] string arg1= "MyWindow"; string jarFile = "java -jar /Users/User1/Desktop/Sample Java/Demo.jar "; jarFile += arg1; system(jarFile.c_str()); [/CODE] "/Sample Java" folder name has space in … |
| | I have written a simple program to save details about a maximum of 20 people using structures. But when i run it, gets gives me error....... Here is the code... [CODE]// Hihi.cpp : Defines the entry point for the console application. // #include "stdafx.h" int _tmain(int argc, _TCHAR* argv[]) { … |
| | Hello, I'm looking for c++ api example for ncurses programming and needless to say that it is not available except 7 part snake game development video on youtube which is a bit difficult for a noob like me to understand. GNU ncurse 5.9 documentation heading states that it has c++ … |
| | Hello, I do not understand the following parts in bold - how it works, what is is for..etc. I'm not following the book's explanation.. [CODE]#include <iostream> using namespace std; [B] double totalCost(int numberParameter, double priceParameter);[/B] int main( ) { double price, bill; int number; cout << "Enter the number of … |
| | For some reason, whenever I try to find a slash at the end of a byte string (in this case, base_url which is set to "www.google.com/"), it doesn't seem to want to return that it is or isn't there. However, if I change base_url to something like "www.google.com" where m … |
| | hello, I am writing a variable equation solver. Now to get it to work, i just need your calculator to be able to detect random strings instead of numbers. and when it does, i need to assign a random number to that string and have the calculator solve the problem … |
| | hi, I have this code: [CODE]#include<iostream> #include<cstdio> #include<sstream> using namespace std; int main (char argc) { float n1; char operators; string n2; float n2_act; float ans; cin >> n1; … |
| | hi, I am making a calculator and i need a function that can detect a char in a string. In other words, i need it to detect a NON-number.[CODE]string n1 = "35+66/7"; int pos = -1; n1.find(char, pos+1); cout << char.n1_find << " was found at "<< pos << endl; … |
| | Hi all, Can anyone explain to me in details preferable with an example the different between i++ and i++ please. Here my example with what I understood: [CODE] for (int (0); i<10; i++) { cout << i++; cout << ++i; } [/CODE] What is the output? Is the working steps … |
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