51,593 Topics
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| | I have a C++ application that I want to make more flexible and user-friendly. It currently contains seven nested for-loops, and part of the new flexibility is that this number will become variable (between two and twenty, say). What is the easiest way to achieve this?  |
| | hello i am creating a tictictoe game , however i cannot get the program to check if the player has won or not . and produce a you have won message #include<iostream> #include"110ct.h" using namespace std; class TICTACTOE { CursorController*crs; ColourController*cl; int xplayer ; int oplayer; colour Cs; public: void … |
| | I need implementation of this problem using ADT List. It should have at least 3 modules( classes). Help me please! A math teacher needs a program in order to help students to test different properties of numbers. The program manages a list of numbers and also allows students to repeatedly …  |
| | I have a project where I have to schedule 3 doctors for 28 days. Doc A, B, and C. The rules are: 1. They can't work back to back, but only on weekends. Example Doc. A can't work Monday and Tuesday, If Doc. A works Saturday, he must work Sunday … |
| | void combination::OnButton2() { // TODO: Add your control notification handler code here m_progress.SetPos(0); m_progress.SetRange(0,100); combination a; a.make_combinations(0); } void combination:: make_combinations(int lo_val) { srand(time(0)); m_progress.StepIt(); ofstream fout("combination.txt",ios::app); ofstream fout2("time.txt",ios::app); for(int i=0; i<theApp.no_of_process; i++) { //m_progress.OffsetPos(100/4); //m_progress.SetStep(200); clock_t begin=clock(); arr[lo_val] = i; if(lo_val==(theApp.no_of_tasks)-1) { for( int j=0; j<theApp.no_of_tasks; j++) { int … |
| | Hello everyone... I am new to the programmers world... Can anyone tell me if i can find a version of C or C++ for symbian? s60 v3? I want to write C/C++ programs but from my mobile phone... I have been searching the internet for the last 4 hours and … |
 | Hello, Quick question.. I'm trying to get the mean of a matrix (vector) now before I created a function that did it but I thought that it isn't really an effective way of coding. I've been looking at the accumulate function online and wanted to ask if this would work: …  |
| | I need help in running a program that makes a SLR Parser Table. Here is the code : Code to find first and follow: saved as SLR.h #include<stdio.h> #include<ctype.h> #include<conio.h> #include<stdlib.h> #include<string.h> #include<iostream.h> #define epsilon '^' // since I didn't know how to type epsilon symbol temporily I am using … |
 | So my son has learnt Java and has come to a decision point. First, the flashback,:- May, 2011--Back when he was 10 years old and didn't know Java, he gave C++ a try. He understood loops and variables. But when he reached the page teaching functions, he didn't understand a …  |
| | hey just wondering how i can make a countdown timer in a windows forms app or just how to display an updating value onto the form. wanted to make a countdown for number of seconds the user inputs. thnx. |
| | I'm trying to make a program that read the timer value from Minesweeper. (OS is windows 7 64bit) Using cheat engine I found the base address of the variable, but it changes every time I run Minesweeper. What do I need to do to find out the base address automatically? … |
| | I have had some difficulty figuring out this one a bit. I think I have the last bit figured out (printing out to the screen). However, everything else has been causing problems for me. I am not sure, so any input from anyone would be greatly appreciated! This is what … |
| | First off i'd like to say that this account was created because my real account "SillyNoob" has completely locked up. Make new thread "Sorry, you can't do that", new PM "Sorry you can't do that", post on my own thread and there's no reply button. There's no PM in my … |
| | hello, i get a error in my design form: at EnvDTE.CodeFunction.GetStartPoint(vsCMPart Part) at Microsoft.VisualC.CppCodeParser.OnMethodPopulateStatements(Object sender, EventArgs e) at System.CodeDom.CodeMemberMethod.get_Statements() at System.ComponentModel.Design.Serialization.TypeCodeDomSerializer.Deserialize(IDesignerSerializationManager manager, CodeTypeDeclaration declaration) at System.ComponentModel.Design.Serialization.CodeDomDesignerLoader.PerformLoad(IDesignerSerializationManager manager) at Microsoft.VisualStudio.Design.Serialization.CodeDom.VSCodeDomDesignerLoader.PerformLoad(IDesignerSerializationManager serializationManager) at System.ComponentModel.Design.Serialization.BasicDesignerLoader.BeginLoad(IDesignerLoaderHost host) error list say this: Warning 1 Catastrophic failure (Exception from HRESULT: 0x8000FFFF (E_UNEXPECTED)) 0 if i ignore … |
| | Hello. I need to create a program to manipulate polynomials. It contains basic evaluation, addition, subtraction and multiplication of polynomials. Right now, I'm working on overloading the '+' operator to add two polynomials. While the function adds the two polynomials together correctly, when it goes to output through the overloaded … |
| | ok Ihave developed some code that i am having trouble with how I would I call teh text in the last functions to come into it the part labled 10 and then finally how would I incorperate the 3 parts to work on the first part of the function. the …  |
| | Basically i have made a binary class that inherits from a matrix class. and aparantly when i make the binary image the deconstructor doesn't work properly. the program runs, reads in the files and makes the binary matrix. However when the binary deconstructor and matrix deconstructors are called, the program … |
| | So, basically im using the codea bove to generate coordinates for a grid, but I only want to generate coordinates for the "outer ring" of a square. SO imagine a grid of 7x7, I won't generate coordinates for the inner 5x5 square, only for the outer ring. Basically I drew … |
| | OK I have made everything but the last loops needed to complete the project below how would I design the last triangle? // INCLUDE FILES #include <iostream> using namespace std; int main() { int no_lines, // height of triangle. width; // width of rectangle. short choice; // ADDITIONAL VARIABLES // … |
| | Hello, I am writing code that mimics the game Mastermind. The computer randomly comes up with a code based on the "colors" RGBOY. The user has ten guesses to guess what the code is. Right now my code displays the secret code at the beginning just so I can test … |
| | I am defining the below function in order to calculate combinations .... it works fine on borland... but when i run it on vc++ 6.0, it generates the error "error LNK2001: unresolved external symbol "public: void __thiscall bruteFrce::generate_combination(int)" (?generate_combination@bruteFrce@@QAEXH@Z) Debug/AlgoProject.exe : fatal error LNK1120: 1 unresolved externals Error executing link.exe." … |
| | That is a little homework for myself. I was trying to make a simple program that you entry your name (acts as a password) and if it's on the list then you may access, otherwise (aka else) you're not allowed to access. The problem is I can't put more than …  |
| | Hi there guys, I have homework to do a program given as input a document read from a text file will similatae MS words word count tool to create the following statistic: number of word: 45 number of line: 30 number of white space character: 73 number of non white …  |
 | I am trying to understand how sockets work with winsock, but I just don't get it. I basically want to be able to create these functions: SomeDataType ConnectToComputer(const char *ConnectionName);//connect to the connection named ConnectionName SomeDataType CreateConnection(const char *ConnectionName);//create a connection called ConnectionName bool ReadData(SomeDataType, unsigned char *outdata, int outsize);//read … |
| | Hi everyone, Was wondering if anyone could help... I know the std::map automatically sorts it values - I have a map a Date object pointer, and a bool for whether it is to be used or not. But I need the dates to be in order from earliest to latest …  |
| | Hello! I am writing a program that mimics the game Mastermind. However, I am having trouble getting past the first step. We are using letters as the "colors", a string containing "RGBYO". Each time it goes through trying to get the initial "secret code", it needs to get rid of … |
| | Hey guys, I've been messing around trying to learn binary trees and have created a simple program to get the month and number of days in a month to be inserted into the tree then displayed. I am getting a successful build, however, when it launches the terminal window the … |
| | Hey guys, I'm trying to conver a while loop from C++ to java. And I'm having a problem with my while loop. The original c++ code. // Out of cashiers? // Get next frontBusyCashierQ // Is cashier's finish time now? while(!service->emptyBusyCashierQ() && (service->frontBusyCashierQ(cashier), cashier->getEndBusyTime() <= currentTime)) { ...... .... ... … |
| | **Description: Friend’s finder. You load a data file first. Then you answer 10 questions. The answers will be saved in an array. The data in file are several arrays answered by other users. You need to compare the answers with other users and calculate the similarity. After that it will … |
| | Hello all, I am trying to make an employee program that takes in up to 100 max employees information then displays it back out nicely formatted, which I am not getting right and have been googling wtf I am doing wrong. Also I was wondering after inputting all the employee …  |
| | Hi I am trying to write "at" commands to serail port and send sms. `smsPort->Write("at"); // smsport type is System::IO::Ports::SerialPort ^smsPort;` gives me output OK At the end(after the writing message) I need to write ctrl+z smsPort->Write("Message"); smsPort->Write((char)26); this gives me error *'void System::IO::Ports::SerialPort::Write(System::String ^)' : cannot convert parameter 1 … |
| | #include <iostream> #include <cmath> // appropriate c++ libraries for functions & constants needed #include <fstream> #include <stdlib.h> using namespace std; const int N = 1000; const double pi = 3.14159265; //constants applied int main() { double num, factor, avg = 1.0; //variables declared and initialised int i; num = N … |
| | Hello, I have this matrix: 0 0 1 0 0 0 1 0 1 1 1 0 0 1 0 0 and I need to print out the block with the coords: (2,1) so in this case: 1 0 1 0 I have tried this: for(int i=minRow; (i < 2); … |
| | I want to write a code to find all combinations of 4 numbers, for example numbers = 1,2,3,4 combinations are: 1 2 3 4 12 13 14 23 24 34 123 134 234 124 1234 Plz help i am unable to understand the logic... thanks in advance... |
| | ##I was working on something and saw this oddity, thought I would share it. $ ./a.out in.val = 86.3115158 -> Its a valid floating point number out1.val = nan -> Swapped it and now its a NaN! That's OK swap it back. out2.val = 86.4365158 -> What, its not the … |
| | This code is supposed to respond on (w,s,a,d and q) key press..... On "w" the character ( actually the $ sign ) should move up similarly s =down , a is for left and d to move right.......... and 'q' is to quit!! Sometimes on a very few (beginning key … |
| | Dear guys, I get stuck in a basic problem that is often overlooked. Like this , I can write code in such way. #include"stdio.h" void main(void){ double x; scanf("%f",&x); printf("%f",x); } When I input a number like 3.0 ,however the result is a minus number. I don't konw why ,anybody … |
| | Having issues fixing these issues: error LNK2019: unresolved external symbol "public: __thiscall grid::grid(void)" (??0grid@@QAE@XZ) referenced in function "void __cdecl `dynamic initializer for 'GridObject''(void)" (??__EGridObject@@YAXXZ) F:\Dev103\thermonuclear war game\thermonuclear war game\Grid.obj error LNK1120: 1 unresolved externals F:\Dev103\thermonuclear war game\Debug\thermonuclear war game.exe 1 //header file #include <iostream> using namespace std; class grid{ int … |
| | how do i get output which would normally appear on the screen, as in the Microsoft visual studio command prompt, written to a file such as a simple text file. say << X << is the output, what do i do from here? thanks |
| | An office furniture company sells furniture in three colors: red, black and green. Every item in their inventory system has a 5-character code. The last two characters are always used to represent color. If an item is red, the last two characters are “41”. If an item is black, the …  |
| | This code is just a function in a bigger code, but I'm having a problem with the break. I'm not sure I'm doing it right, but basically if the factors are zero, then the program should say the equation can't be factored. It does that, but then continues through the … |
| | Hello, I'm trying to determine where a small matrix would fit inside a big matrix.. But, the small matrix is not in the big matrix so I need to see how simular they are.. The one with the lowest value, is the best fit.. So my difference function is this: … |
| | I am fairly new at C++ and Im having a lot of trouble understanding how to do it. This is part of a homework assignment due next week and I have no idea how to even start it (much less finish coding it). Can anyone out there help? ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: Create …  |
| | This may sound really noobish, and I'm probably missing something really stupid.. But, I'm trying to calculate the differences between matrices, and the one with the smallest value (result) is the matching number.. But, for some reason my algorithm seems to be missing the smallest number and I can't figure … |
| | This is probably a really simple and stupid question, but when I try to "Build and Run" an OpenGL program on XCode, it seems to debug it and open the window for a split second and then close. There aren't any compilation errors and it finishes saying that the debugging … |
| | So, I'm playing around with SDL and I've come across a bit of a bump. I have one image and I am trying to "free" that image to put on another one. Here is what my code looks like.. [CODE] // I did get a good section of this code … |
| | Hello, I'm creating a game using SDL, and what I'd like to happen is: if the character jumps on a button, then it'll disappear. However, I cannot find a way of accomplishing this, as all the SDL functions I know of start at runtime and cannot be changed. If I'm … |
| | Hi, I'm trying to sort a list of names in c++ (first name and last name). I'm running into a couple of problems with my code. I'll post the code first then state my problems. #include <iostream> #include <stdio.h> #include <cstring> using namespace std; const int numNames=3;//this makes the code … |
| | I am implementing RSA in C++ and here's my design(code structure). *keygen.h* namespace rsa{ class keygen{ public: //Constructor keygen(size); //Generate keys void generate(); //Getters string gete(){ return xyz; } .. .. .. private: //initializes bignums void initall(); keygen(){} //Private Member variables goes here } } *prime.h* namespace rsa{ //First 100 … |
| | somebody pleae post some basic C++ excersices of loops.please help me i am a beginner. thANKSS |
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