51,593 Topics
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| | I have to give this in around 10 hours and i still have lots to do. Please report any bugs; Its a scientific calculator, also supports [B]sin, cos,tan and log [/B] Take care to [B]put the entire expression under brackets[/B] For example, a valid input will be:- (5+4*-3+sin(43+7)+cos(90/2)) I've attached … |
| | i am trying to make a quiz using Visual c++ I am trying to make it so that each tab has a different question and when you press a button it goes to the next tab. Is there a way to do this? If not is there another way i … |
| | [code] #include <iostream.h> #include <fstream.h> #include <math.h> void main () { cout<<"**********************welcom*******************"; float n,j,q,d,h,t,i,m,f,b,v; cout<<"\n num of eng = "; cin >> j; n=j ; q=0; d=0; h=0; t=0; v =0 ; for (i=1;i<=n;i++) { v = i; cout<<"\n\n ** Engineer ID "<<v; cout<< "\n\n insert Salary = "; cin>> … |
 | I want to make a type to differentiate degrees and radians. I wanted something like this to produce a compiler error: [code] #include <iostream> typedef double Degree; typedef double Radian; void MyFunction(Radian angle); int main() { Degree foo = 3.0; return 0; } void MyFunction(Radian angle) { std::cout << "Success." …  |
| | Hey does anyone have library management project which does not include " graphics" header file ?? Pl help n reply  |
| | hello every body! i have very simple question, i google it alot but i didn't find the satisfactory answer my question is what is the reason that [B][I][U]int, float,char,double,boo[/U][/I][/B]l are of [B][I][U]4,4,1,8,1[/U][/I][/B] byte respectively in C++? are [B][I][U]arrays built in[/U][/I][/B]? if yes then kindly explain......thnx alot |
| | Does anyone know of a good tutorial on how to send data through a USB port? I've lately been trying to link my programming skills with my electronics skills. Thanks for your help. :) |
| | hi guyz i need ur help, i have this game with 5 files: 2 header files 3 cpp source files, we i compile it i get this error: error C2065: 'i' : undeclared identifier plz check the attachment, the files are there appreciate the answer :).  |
| | I am wondering how to draw the mif data(map data) on the window using Visual C++ Can anyone give some idea or sample code? |
| | Okay, so C++ has no specific byte class, but what they do have is an unsigned char class to convert ints/doubles/floats to binary/bytes. In trying to convert some Java to C++, I am trying to keep some of the function signatures the same or close to the same, and in … |
| | I've just read up about pointers, so wanted to see if I can try and use them in my program. I have the function "equation", which at present is t^2. I also have the function "gauss", in which I am going to use the equation t^2, (code for this is … |
| | I am trying to create a button that turns off a panel but when i debug it i get 'error C2064: term does not evaluate to a function taking 1 arguments' [CODE] private: System::Void go_MouseClick(System::Object^ sender, System::Windows::Forms::MouseEventArgs^ e) { this->panel1->Visible(false); this->panel1->Enabled(false); }[/CODE] I would really appreciate some help. Thanks |
 | So I'm working on this game, and I've been using "glaux.h" to load my textures, however I'm interrested in using JPEG's, so I found an example to do this on: [url]www.morrowland.com[/url], however, when I compile it (after fixing the errors), then I get this, on the linking state, any help … |
| | I have n!/((n-r)!r!) which I figured out how to make recursive: [CODE]int crn (int n, int r) { if (r==0||r==n) return 1; return (n-1)+(n-1,r-1); }[/CODE] how do I make it non-recursive?  |
| | Hey, I'm new to programming in C++ So I just got done writing this and everything seems fine to me, but I got an errors. I've had many problems with compilers in the past, but I'm not sure if this is from the code or the compiler. If it helps …  |
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| | plz chk my code its giving error at line 45,49.also does it satisfies the requirement Problem Statement: Suppose we have a class named as Train it has two constructors, two methods, and a single attribute each of which described as follows:· One attribute:maxSpeed – an int value representing the maximum … |
| | Hi All, I am new to this C++. Am using Borlnd c++ builder. I need a code for combo box. It should work like, when i select any text from combo box, it should display related infromation in the panel say in "RichEdit" in Borland C++ builder. Can anybody please … |
| | Hi everyone, I am writing an[URL="http://www.8puzzle.com/8_puzzle_problem.html"] 8-puzzle Problem[/URL] Solving Program that utilizes the [URL="http://en.wikipedia.org/wiki/A*_search_algorithm"]A* (A Star) search algorithm[/URL]. I've come this far in completing the desired program, and somehow summed up to this: (entire source code posted below). But I can't compile it just yet due to this builder error: … |
| | Input a number between 1-9, then choose 2 character, e.g: * and =. The sample output: Enter number: 5 Enter character: * = * == *** ==== ***** I had tried many times, but don't know where i was doing wrongly. Please help, thanks!:) [code] #include <iostream> using namespace std; … |
| | i need to write a class for driver.cpp file [CODE] // Chapter 13, Programming Challenge 3 Driver // #include "Car.h" #include <iostream> #include <string> using namespace std; int main() { // Loop counter int count; string myMake="Porsche"; // Create a car object. Car porsche(2006, myMake); // Display the car that … |
| | Everything compiles fine but it does not identify a straight. It will find straight flush though. A hand consists of 5 objects of the class CARDS which has 3 int variables(Value, Suit, Position). When I send a straight through it it goes all the way through to else and returns … |
| | I got a question regarding sorting multiple strings that are entered as such, i need to sort them so that if the list would look like this, i just cant seem to get the strings to be swapped, do i need to be using strcpy? Any help would be great … |
| | I'm doing assignment. If I use getopt_long, I can't use both argument like -vo, but -verbose -open is ok. I want to use both `command -vo ~~` and command `-verbose -open ~~` WIll you help me? Thanks you. int main(int argc, char * argv[]) { using namespace std; int c; … |
 | Hi all, I'm beginner in c++, I'm trying practice on c++ basics, since few minutes I tried practice "setw" operator, I wrote this trivial program to print some data in console screen, but when I tried build it it gave me error..! [CODE]//print game names and my prefer rating in …  |
| | Hello everyone! I need to ask the user for a function say: X^5 +7 and I need to ask him separately for the value of X, so I can calculate it then. I really don't know how to store the function and then manipulate it! Thank you! |
| | I have MSCS with extensive Software Engineering education in C++. Professionally - I am linux admin, but itching to get into code development in C++. One thing I never understood - what are the entry level jobs in C++ - what do you need to be able to do, program …  |
| | Hello all I am trying to link a program using Vi for my class assignment and I am getting the following error in Vi when I try to link: Assign4.o: In function `__static_initialization_and_destruction_0(int, int)': Assign4.cpp:(.text+0x17b): undefined reference to `cCourselist::cCourselist()' collect2: ld returned 1 exit status Here is my source code: … |
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 | Hello. I'm going to create a stack of pointers to objects, and I need to implement an identifier with the best performance. Those objects are custom classes. I'm wondering what would be best for performance. Either of these two ways, or maybe a third better way?. 1) Making an std::map … |
| | hi, i'm having trouble compiling this code: SparseMatrix.h: [CODE] #ifndef SPARSE_MATRIX #define SPARSE_MATRIX #include <ostream> class SparseMatrix { //class data ... SparseMatrix operator+(const SparseMatrix& rhs) const; SparseMatrix operator*(const SparseMatrix& rhs) const; }; ostream& operator<<(ostream& out, SparseMatrix& rhs); #endif [/CODE] SparseMatrix.cpp: [CODE] #include "SparseMatrix.h" ostream& operator<<(ostream& out, SparseMatrix& rhs) { ... … |
| | hello??? can you give me a complete program about a fraction calculator??? |
| | [CODE]#include <iostream.h> #include <math.h> void main () { int n,j,q,d,h,t,i,m,f,b; cout<<" num of eng"; cin >> j; q=0; d=0; h=0; t=0; for (i=1;i<=j;i++) {cout<< "insert Salary "; cin>> m; m /(22) =d; d/(8) = h; cout<<"\n Leave "; cin>>f; cout<< "\n Attend "; cin >> b; f - b = … |
| | i want print this image out... 10 11 ___ / ()\ _|_____|_ | | === | | |_| o |_| || o || ||__*__|| |~ \___/ ~| /=\ /=\ /=\ [_] [_] [_] [CODE] #include <iostream> #include<fstream> #include<string> using namespace std; int main() { string filename; int number; cout<<"enter the …  |
| | I was just hoping to get some advice before I start writing my program, I need to put two columns of data into some sort of data structure, and each number has about 25 decimal places. Can anyone recommend the best one? Would storing them as a vector work? Thanks … |
| | In a gymnastics or diving competition each contestant`s scores is calculated by dropping the lowest scores received and then adding the remaining scores.Create a program that allows the user to enter 8 judge`s scores and outputs the points received by the contestant.Format the output with two decimal places. ( A …  |
| | i want this software rite now 4 m final year project to be linked with opnet modeler 7.0. Other version of C++ did'nt compatible with this opnet.pliz help me....tq |
| | 1. I am new use to player/stage. I need to write a code to navigate a robot from a given position to a target position. How do I go about doing that? 2. Can I use VFH driver to do that? I dont understand how to use the following commands … |
| | hi all, i am really stuck with c++ pointer issues. what my program is supposed to do is to take input from user and recognize whether the entered string is a valid word from the grammer S::= a|(S) hence grammer should accept words like... a, (a), ((a)),(((a))).... i have done … |
| | Hey all I'm trying to create a program that takes a predetermined number (monthly salary in this case) and rather than printing as a number it prints it as text. However when I input a number all I get is random stuff that makes no sence. I will include the … |
| | hi i need a program that set the clock to 00:00:00 if the user not enter the clock then the program should count the time and print it on the screen until reach the user input for example: the time is 12:44:6 a.m. and the user enter 4:3:50 a.m. to … |
| | Hey, I was just wondering, but what code do you need to be able to press a few buttons on your keyboard. Like, if I want to type "Cheese is yellow on the moon!" I'll just run the program. Or if i want to do ctrl+alt+del to go to task … |
| | Hello, I have this problem that's been bothering me on the back of my head for so long now. I don't know how to pursue or even break it down, I've tried reading the book, look at notes, nothing helps. Problem is, I have this file which contains /* Nitrite … |
| | is cyclic hashing possible?? ie., consider an array of size 5.. hence the index would be form 0 to 4... so if we insert 53,63(takin the function as value mod size of the array) the index 3 and 4 would be filled up...and when we insert some 54 again an … |
| | Hey guys, I recently wrote a C++ program for a company I'm doing an internship with that asks the user for the location of .txt files and then the program opens each .txt file, gets the necessary information from each files, then outputs the information to a .txt file that … |
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| | Hi, I'm just wondering if there is a good place where I can find some tree implementations for c++ (Splay trees and Heaps, in particular). Any input on resources where there is source code for different tree implementations would be appreciated, as I don't have the time to write one … |
| | please chk my code. it works well but is its logic correct? Statement: Suppose we have a class named as Train it has two constructors, two methods, and a single attribute each of which described as follows:· One attribute:maxSpeed – an int value representing the maximum speed of the Train … |
| | I've worked on it for a few days. It works great when I comment out the erase function. But it doesn't work when I include the erase function, which I use to remove an element in the playlist vector of type Songs. Here's the else if statement. The problem is … |
| | I was writing a function to dump the contents of a 'matrix' in a vector-of-vectors to cout when I ran across conceptual difficulties. Here's the code of the working function: [code=c++] #include <iostream> #include <vector> using namespace std; void output_string_matrix(const vector<vector<string> >& matrix) { vector<vector<string> >::const_iterator rows_itr; vector<string>::const_iterator cols_itr; for … |
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