51,593 Topics
 | |
| | Greetings from Greece, this is my first post! I'm having some minor trouble with an application I've been working on the past week. So if you could please shed some light into this. Thank you. The problem I'm having is that when the user is trying to save a file … |
 | So I've got this program I made, and I wanted to speed it up, using multithreading, to make use of my quad core. The program itself fully supports multithreading. The problem is, that when I'm running the program, using just one; CreateThread() it finishes in 6seconds, if I run 2 … |
| | Hello everyone, I am quite new to C++ and I am currently trying to complete a project in creating a program that solves a maze of a given dimension.The text has to be read in and the first element of the file defines the size of the array,its an integer …  |
| | So I'm trying to enter all the information for this program and it's giving me a hard time. The ones with (need help) are the tough steps. The text file and functions are found in the attachments. U-WATCH-UR-WEIGHT "At the beginning and end of each month, members of the club … |
 | Hello there, can anybody help me with this? I have a simple program like the attached. What I would like to do is to come up with an executable file that I can email to myself and execute on another machine. What happens at the moment is this: I wrote … |
| | Basically I'm trying to adapt the quicksort algo for array based lists for linked list as shown on a text book. This is only for learning the principles than practically effective sorting. I have struggled to get this code to work, but stil seems to break on a few test … |
 | I already Know Ancient Dragon is fan of MSVS due to its debugging features and I use C::B because it is the only I have come to love after failing to love both VS Express and Codelite. So what do you love to use when it come to C/C++? Just …  |
| | Change a Color Image into a Grayscale(Black & White) Image. I'm using borland c++ Thanks Just like this code, but in C++ instead of C#: [url]http://www.daniweb.com/code/snippet217154.html[/url]  |
| | I've been looking through the site for topics on how to code your own DLL's in C++ and so far i have not come up with much, I'm hoping to create a DLL in which i will code functions for using the win32 API and kinda making a small framework … |
| | [QUOTE=dkwantee;556141][CODE] [LIST=1] [*]void selectionsort(int numbers[],int arraysize) [*]{ int i,indes,large,j; [*] for(i=arraysize-1;i>0;i--) [*] { large=numbers[0]; [*] index=0; [*] for(j=1;j<=1;j++) [*] { if(numbers[j]>large) [*] { large=numbers[j]; [*] index=j; [*] } [*] } [*] numbers[index]=numbers[i]; [*] numbers[i]=large; [*] } [*]} [/LIST] [/CODE] i have been able to understand upto 7 line. can someone …  |
| | File Edit Options Buffers Tools C++ Help [CODE]#include <iostream> #include <cmath> using namespace std; void printArray(const int a[], int size); void reverse(const int a[], int aReverse[], int size); int average(const int a[], int size); int main() { int size = 10; int a[] = {10, 15, 27, 89, 90, 95, … |
| | |
| | I would like to create a small parking system with 10 space. Then the system may assign the 1st entered car to the nearest space. I would like to implement the car park space using array. And the distance is save into array. e.g. A[2]=2 means tat at array A[2] …  |
| | Hi guys, i'm new here and this is my first post. This is my problem: i got an assignment like this: create a set contain of UNIQUE uppercase character, then do some operation on it, like, add element, check if element are in the set or not? how many elements … |
| | ok i have to make a matrix class for a math library and im now Very lost with what im ment to do or how to do it the code i have so far is: [CODE] #include <iostream> #include <math.h> #include "Vector2.h" class Matrix { private: float data[3][3]; public: Matrix() … |
| | Hello everyone....this time a have a competition program that I want ur help but this time i just want from u answers to some problems that i faced when i was working on it : this is the program: Mail merge is a software function describing the production of multiple … |
| | i want C++ programing which do- Addition - Multiplication - Finding the Inverse - Finding the Determinant |
| | I declare the TFileStream as such __fastcall TFileStream(const AnsiString filename, mode); and include the following: #include <vcl.h> But i get the error "E2293 ) expected" What am I doing wrong? Can someone give me a hint or possible solution. P.S. I have tried searching on google with possible keywords but … |
| | This is probably a really easy question, and I know it's starring at me right in the face, but I can't put my finger on it. I'm doing this semi-simple program for school and I think my only problem here is passing my array of structs to a function that … |
| | I am trying to check the customers request against the volume remaining in the tank. If the request is greater, I need to instruct the customer to move to the next tank. But I am having problems. The tank is set to store 100 gallons. On the 1st request, I … |
| | Backstory: I took up learning C/C++ a couple months ago when I was in a game hacking forum. Since then I have changed my interests and no longer desire to make exploits for games for personal reasons. At the moment I am studying Programming Windows 5th Edition by: Charles Petzold … |
| | this is the code ..but it is not displaying the first and the last number that came from the user. anyone can help me with this small problem?? [code] #include <iostream.h> #include <conio.h> main() { int f,l,f1,l1; clrscr(); cout<<"Enter the First digit:"; cin>>f; cout<<"Enter the Last digit:"; cin>>l; f1=f; l1=l; …  |
| | In this snippet of code, I am trying to check the customers request against the volume remaining in the tank. If the request is greater, I need to instruct the customer to move to the next tank. But I am having problems. The tank is set to store 100 gallons. …  |
| | Hi, Could someone please let me know how to terminating char pointer array properly? The menu 0 can successfully generate a set with no garbage value But other function for ex: Union , Equality Got a weird character at the back of the array. ex = S = { A … |
| | Write a program for multiplication and division of two numbers for different base number. Programme structure: The program should contain 1. Should have an infinite loop which is the program is always running. 2. An option for a user to select base number of the first number. (For example: base … |
| | Hey guys, I'm having issues returning my array at the end of my code, when I do the array is not the same as it was before being returned (which can be seen by the printout). I also get a warning from my compiler: "warning: address of local variable 'garray' … |
| | I am exploring to add an element, ASCII letters to my random generated 1D array to form new array. How can I use <cstring> header to achieve my result. [CODE] #include <iostream> #include <ctime> #include <cstring> #include <cstdlib> using namespace std; const int MAX = 10; void constructSet1 (char*, int); … |
| | Hi good day to all, I am suppose to write a program using class that allows me to add or subtract numbers that are very long. Eg 100 digits. I have come out with a few ideas to go about doing it but need to clarify some points before i … |
| | hi all,im new here and im a beginner at c++, im making a simple tic tac toe program, and its not working properly, it cant determine the winner,could someone please help. heres the code [CODE] #include<iostream.h> #include<conio.h> #include<stdlib.h> #include<stdio.h> #include<graphics.h> #include<ctype.h> #include<time.h> void main() { /* request auto detection */ … |
| | Hello everybody, I'm new here. I'm new to C++ as well and have many problems that you might find silly. One of them is this code, not willing to compile: [code=C++] #include<iostream> class Okno; class ListaOkienEl; class ListaOkien{ ListaOkienEl* pocz; public: ListaOkien(); ~ListaOkien(); void DodajPocz(ListaOkienEl&); void UsunPocz(); ListaOkienEl* WezPocz(); }; … |
| | Hello everyone, I am a college student in his second year of learning C++. Last semester we would use Visual Studio to write and compile our code in. This year we use linux, more specifically the Vi editor. We use linux in two ways, either we use Putty in Windows … |
| | Alright, I have a file opened, read into a buffer, and closed. I need to search the file for this string of bytes: FDXXXXXX06YYYYYY The FD is an assembly code to load something, but that's not important here. The XXXXXX and YYYYYY are values that are unknown and YYYYYY will … |
| | we need a mini project on scientific calculator with source code |
| | hello can I keep track of objects in a list and being able to sort them by there z var ? do I use pointers ? how would I do this ? [code] #include <vector> vector<sometype> _objects_; create_object(object_type) { new object_type myobject; _objects_.push_back(myobject); return _objects_.at(list_end); } remove_object(int pos) { delete … |
| | Hey, I need some help inserting into a function and sorting the 10 user input numbers, I'm close, but I get zeros every time. Here is my code: [CODE]#include <iostream.h> void InsertIntoArray (int[], int, int, int); int whichSlot (int[], int, int); int main() { int num; int times; const int …  |
| | Hi, My friend have a problem with running c++. She's using windows vista home basic. She's able to install C++ and run it but when she tries to launch any program she wrote, it pops out saying that it has a compatibility issue with this version of windows. Any ideas … |
| | I am very new at this and I tried to look it up on google and that didn't help so I was wondering (and I know that you have to use shapes, to use a flow chart) how do you make a flow chart. to be more spefic the shapes … |
| | Hello! I have written the code for a function that takes an object DailySale and compares its values with an array of objects fromInventory. If the id of the DailySale object matches with the id of an object in the array, it takes the price from there and calculates the … |
| | hi, I V.Gayatri Devi I am writing the c code in linux for distance calculation using haversine formula I included in my program as #include <math.h> but the sine functions and squareroot functions are not working in my program. instead of using math.h i also used cmath.h but there is … |
| | Greetings everyone, So I posted earlier a similar problem which I wrote in python, but now after accomplishing that, I think ill try to write it up in C++. The link to the original question is [URL="http://www.daniweb.com/forums/thread254474.html"]here[/URL]. If there are any other questions or if you need any more information … |
| | Until now, I've coded in Notepad++ and compiled/tested in my university Unix account. This is getting tedious and inefficient, though. So, what can I do about it? Notepad++ doesn't have a compiler or debugger. I was thinking about using Eclipse. Would that be a good, free option? Does it have … |
| | [code]#include <iostream> using namespace std; //function protoytypes int roman2integer(); bool isValidRoman(string & r); int findIt(char ch); int main() { int choice; do{ switch(choice) { case 1: roman2integer(); break; case 2: //integer2roman(); break; case 3: //quit=true; break; default: return 0; }; }while( ); return 0; } /////////////////////////////////////////////////////////////////////////////// int roman2integer() { string … |
| | Hi guys! I was wondering if anyone could provide me with useful tips or answers to the question stated below: Why is the programming language C++ is often used as the main programming language for Biometric Applications compared to Java the programming language? Your help would be really appriciated! |
| | Practise problem by ~s.o.s~ Q. Write a program which performs addition, subtraction, multiplication of matrices. The dimensions of both the matrices would be specified by the user (dynamic memory allocation required). Use of structure or a class to define the matrix would be a good idea. (Expert) [CODE]#include<iostream> using namespace … |
| | ok i think ive got this right i but i tried compiling an it spit out [QUOTE]error: expected primary-expression before ‘.’ token|[/QUOTE] any idea what this "primary expression is? ive tried single quotes and double quotes to fix it as i have this problem every time i mess with strings … |
| | Hi guys, Do anyone knows how we can implement this code: Write an efficient recursive function called IndexEqual(A,i,j) that returns true if there exists an index x (i < x < j) such that A[x] = x, otherwise returns false. You may assume A is a sorted integer array in … |
| | I'm new to C++. I want to know if there's any way to shorten this code. [code] #include <iostream> using namespace std; int a, b, result; int main () //Addition (main function of this program) { cout << "Lets add numers\nEnter you first number\n"; cin >> a; //First value cin.clear …  |
 | Hey all. I have written a quine and I was wondering if I have the jist of it right. I'm not sure if the code needs to be longer or this would be a suitable answer. Here is what I have. btw driver.cpp is the file name for my source … |
| | [CODE]#include<iostream.h> #include<conio.h> void add(){ clrscr(); int a,b,c; cout<<"Enter number:"<<endl; cin>>a; cout<<"Enter number:"<<endl; cin>>b; c=a+b; cout<<"The total is: "<<c<<endl; getch(); clrscr(); } void sub(){ clrscr(); int a,b,c; cout<<"Enter number:"<<endl; cin>>a; cout<<"Enter number:"<<endl; cin>>b; c=a-b; cout<<"The total is: "<<c<<endl; getch(); clrscr(); } void mul(){ clrscr(); int a,b,c; cout<<"Enter number:"<<endl; cin>>a; cout<<"Enter number:"<<endl; … |
| | Hello everybody, For a project my dad has enlisted me in, I am to be able to communicate with a Vitamin Scanner from a computer. To illustrate, he opened 'Hyper Terminal' (should come with most Windows computers). He set up a communication using the program, and told me the baudrate, … |
The End.