51,593 Topics
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 | How do I use other libraries in C++? Specifically using the PDCurses library in the latest version of Visual Studio Express? What's the general way to set a libray up, how to use it? Thank you for your time and patience.  |
| | Hi, i'am a c# developer but I don't have much experience with c++. I'am curious if it is possible and how to add drad & drop functionality to a window of an external application. From my application I start an external application. I want to be able to drag an …  |
| | I am learning how to program with MPI and I can't seem to find an example anywhere about scattering two different arrays. Can someone point me in the right direction? I'll post some of my code below, that way you'll have an idea about what I'm trying to do. Thanks! … |
| | HI ALL, I am trying to sketch the beging of function and the end, #include<ctype.h> #include<graphics.h> #include<conio.h> #include<math.h> #include<dos.h> #include<stdio.h> #include<stdlib.h> int xmax =1024;// getmaxx(); int ymax =760;// getmaxy(); float r,h;//??? int i; void grafica(){ //int gd=DETECT, gm; //initgraph(&gd, &gm, "..\bgi" ); initwindow(xmax,ymax, " Miscare "); setcolor(15); } float f(float … |
| | HI GUYS I HAVE 2 WEEKS INTO THIS SUBJECT C++ AND OUR LECTURER HAS SINCE GIVEN US AN ASSIGNMENT.ONE OF THE QUESTION STATES; CONVERT THE FOLLOWING ALGEBRAIC EXPRESSIONS TO C++ a) M= A+B+C+D+E/5 B)Y=MX+B C)Z=PR+Q+W/X-Y D)Y=X(SQUARED)/B(SQUARED) E)Y=AX(SQUARED)+BX+C F)3(a+17) g)x+2=28 h) 50 n+5 =10 i)7x(squared)+4x-10 j)A IS NOT EQUAL TO B  |
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| | Hi, In the legacy implementation, there is a Queue (which stored the PDUs) which need to be retransmitted. The queue has been implementated as stl map (c++). So the last element in the Queue may not be the largest SN, as per transmit window. Is there any easy way to … |
| | This is something that I made a while back during thanksgiving 2007. If you want to add on to it you can, it's not very well made as in the organization sucks. But it is pretty cool in the fact that you can navigate your acii environ with color and … |
| | I wrote a simple prog. for drawing a circle . Compiled it .. n THERE WAS NO ERROR. But at the Execution time Error Occured : BGI ERROR: Graphics not intialized use 'initgraph I used initgraph olready . [B]1.[/B]Then i copied EVAVGA.BGI from BGI to BIN.. i tried again .. … |
| | I currently have five resx files in a XAML and C# application. I would like to convert the .resx files into their own resource dictionary. How do I do that by what code or website to look at? In the App.Xaml, xaml, and C# what is the process?  |
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 | I'm practicing my parsing, and I'm writing a program with an overloaded function that counts the words in a user entered cstring and regular string. Suprisingly the cstring was easy peasey but the string object is has me a stumped. I don't think my cstring was the most efficient solution, … |
| | This code is supposed to randomly assign numbers to an array of structs, but isn't working at all. I have no clue why, everything looks fine to me, can some one take a look and tell me why it's crapping out on me? #include <iostream> #include <cmath> #include <cstdlib> #include … |
| | Hello everyone im not very good with using pointers, maybe just need more explanation of using them/how i would change my code. Well i have to update this program i have to read in item number cost and qusantity from a file instead of getting it from the user. the … |
| | #include <iostream> #include <iomanip> using namespace std; int main(); { cout << "***************************************... cout << "** Revenue for Bayou Broadway Theater **\n"; cout << "***************************************... const double balcony = 59.95; const double mezzanine = 99.95; const double orchestra = 139.95; int balconyTickets, mezzanineTickets, orchestraTickets; double balconyRevenue, mezzanineRevenue, orchestraRevenue, totalRevenue; // …  |
 | using a linked list in C++ i am attempting to delete a middle node from a series, and then put the series back together. ex: N1 -> N2 -> N3 N1 -> N3 delete N2 but i am getting a segmentation fault (core dumped) at the point in the code … |
 | coding for printing diamond pattern using recursion as following * * * * * * * * * * * * * * * *  |
| | I have a text file i want to read data from the first line of the test file is ow many lines are in it then on each line seperated by a space is itemnumber itemprice itemquantity. 3 39284 5.75 12 18372 4.50 23 27649 12.99 81 how would i … |
| | Someone please help thanks #include <sstream> #include <string> #include <iostream> #include <opencv\highgui.h> #include <opencv\cv.h> using namespace cv; //initial min and max HSV filter values. //these will be changed using trackbars int H_MIN = 0; int H_MAX = 256; int S_MIN = 0; int S_MAX = 256; int V_MIN = 0; …  |
 | Hi Guys, This is the first time I have just started with Keil C . Yet, I have no idea about this concept. Please clarify it for me. Thank you all. #include <stdio.h> #include "NUC1xx.h" #include "Driver\DrvGPIO.h" #include "Driver\DrvSYS.h" #include "Seven_Segment.h" #define SEG_N0 0x82 #define SEG_N1 0xEE #define SEG_N2 0x07 … |
 | Write a program to swap two values so that what is in Value1 would be interchanged with what is in value 2  |
| | draw a flow chart to discribe your logic to find out and disply to given charecter from lower case,uper case or number. asci table below. 65-95(A-Z),97-122(a-z) and 48-57(0-9). |
| | Here is what I try to do: The purpose of this program is to find the two smallest elements in several integer arrays, each containing 100 elements. The program will use functions with the prototypes: call the function Two_smallest to find the two smallest elements in the array and their …  |
| | Write a program that prompts the use for the number of assignments in a specific class. Then using a for loop, prompt for each score. Use an accumulator to store the sum of the assignments, and then calculate the average score for the assignments. HELP. I have no idea what's … |
| | Hi all I have been following a tutorial on creating win32 GUI applications. I'm having a problem getting a dialog box to pop up on top of my main window ...the CreateDialog() method returns a NULL for some reason. Would really appreciate some help with this. Here is a zip … |
 | Hello everybody,can someone help me? i have to make a program who ilustrates Kirchhoff's first law.Thank You!  |
 | I am using following gdiscreen() function which takes screenshot jpg image into buffer.I am sending this buffered image using sento() over UDP.I am unable to convert this char array data sent back into image .I appreciate any help you can provide void gdiscreen() { char buffer[61400]; using namespace Gdiplus; wchar_t … |
| | I am trying to modify a program so that it used 2 variables rather than one. I have tried to get help through the other discussions on this topic but they are all talking about passing by reference not value. My code is: #include < iostream > using std::cout; using … |
| | Hello. I have problem with compiling this piece of code after "install" of Allegro (according to this http://www.daniweb.com/software-development/cpp/threads/248782/help-installing-allegro-for-bloodshed): #include <conio.h> #include <stdlib.h> #include “allegro.h” int main() { allegro_init(); printf("Allegro version = %s\n", allegro_id); printf("\nPress any key...\n"); getch(); return 0; } END_OF_MAIN(); Because I got these errors: 3:10 ..\GetInfo\main.cpp #include expects … |
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 | some one tell me that if we want to terminate this program on -1 then which condition we use.. please help... #include <iostream.h> #include <conio.h> main() { int arr[10],i,sum=0; for(i=0;i<10;i++) { cout<<"Enter values:"; cin>>arr[i]; sum=sum+arr[i]; } cout<<"Sum is equal to="<<sum; getch(); }  |
 | question no 1 write a program to overload *= operator which should allow statement like l1*=l2; so plz send me source code |
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| | I have no clue why this search isn't working. Two majors problems (1) As is it always returns false (2) It would recognize valid IDs if instead of setting found to true, I just returned true, but I don't want to do it like that, and if there was an … |
 | Hello. I have a source code written in c++. With this source code i should compile it and make with him a pdf viwer that will be embeeded into a webpage. Can anyone help me what program should i use? how can i compile it and embeed the result into … |
| | Hello. I have compiled a c++ program and i want it to be run into a webpage. I have tried the proc_open() command but it doesnt work. any help or suggestion? |
| | Hi guys, my assignment is to create a program that sets up a menu for a user to choose from. The menu should consist of an addition, subtraction, multiplication and division problem. It seems to work well, but the only thing that's not working is the division problem. Whenever I … |
| | Write a function in C++ to write N number of record in binary files ‘hospital.dat’ and Search for a room number (room no) given by the user in an existing binary files ‘hospital.dat’. |
| | how to write a program for cargo booking system through airway and ship |
| | Hey there! I've been working on this code that uses linked list operations: #include<iostream> #include<conio.h> using namespace std; void displayRecords(); // done void searchRecord(string); // done void insertAtEnd(string, string, int); // done void insertAtBeginning(string, string, int); // done void insertAtSpecifiedLocation (string, string, int, int); // done void deleteAtEnd(); // somewhat … |
| | my assignment is to find the commission of each monthly sales,how can i get the right answer? monthly sales is 0-19,999(4%)/ 20,000-29,999(5%) /30,000-39,999(6%) / 40,000-49,999(7%) 50,000-above(9%) using if/else statement |
 | why virtual functions can't be static class member and friend functions?  |
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| | I am creating 30 random from last function and the last function have pass the information to this one. I am using the bubble sort because i want to make a mode. But mode is not idea here. Anyway, it run but it show some crazy output. Here is the … |
| | Hi basically i need help , i am not good with c++ but i am trying my very best. i am currently stuck with trying to do an infix to postfix conversion that reads from a textfile. The text file contains the infix notations and the code is suppose to … |
 | i have 1 class that have members dependents of the class pointers. when i do the Copy Construtor with assignment operator, how can i use the instance class this, instead copy from 1 instance to another? i don't want 1 instance member be pointed to another instance  |
| | Hi all, I am coming accross a problem that says "C4703: potentially uninitialized local pointer variable 'data_list' used" and "C4703: potentially uninitialized local pointer variable 'filter_list' used". I have tried initilizing the pointer like I have read while googling it but have not managed to get it to work as …  |
| | Okay so I have an `inventory` class that accesses a static vector from my base class `MainShop`. I also have a `SwordShop` class which inherits from `MainShop`. (Both Inventory and SwordShop are derived classes). //SwordShop class void SwordShop::Shop { //I have a setter function where it takes an integer and … |
| | Random Number: Whenever I run it show me an error. Here is an error "implicit conversion loses integer precision 'time_t' (aka 'long') to 'unsigned int'", so i put change to `srand( (unsigned int) time(NULL) );` it run but it seem the number is not change at all. void read_array (int … |
 | I have read tutorials using my google-fu on how to set up Pre-Compiled Headers, and now I wanted to clear up a few questions: If all the 'to be pre-compiled' headers go in one file - "stdafx.h" then how do you say you only want 1 of those files in … |
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