51,593 Topics
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| | Hi, I need to check keys pressed in another process. How can I it reach? I'm writing simple utility for linux/debian, which runs video player in process no.1. On background is another process, which will read pressed keys and will interact with the 1st process. Problem is, that it cant … |
| | i am currently working with VC++ 6.0. i have just begun with it and wrote my first non-MFC code in it..however i have faced a problem in which my program terminates immediately on executing it..and i mean immediately..it doesnt even show the window that i create through that program.. however..later …  |
| | Can anybody help me with this.. we are to make a diamond pattern of asterisk..I had the codes below..My problem is.. we are only allowed to use one asterisk and one space to make the program and inside the diamond pattern we are to put the letters A,B, and C.. … |
| | Hi everyone, I am a complete novice and need to write a pseudo-code for a query (photo.xql): xquery version "1.0"; (: Generate a photo page :) declare namespace request="http://exist-db.org/xquery/request"; declare namespace transform = "http://exist-db.org/xquery/transform"; import module namespace history = "http:// localhost/history" at "history.xqm"; let $id := request : request-parameter ('id', … |
| | I've made a program in c++ (unmanaged) How would I make it into a dll for use in other apps? also, instead of gets, or cin.getline, how do I pass a variable (named COM) from an app to the dll? (BTW: in using Dev-C++ 4.9.9.2)  |
| | I am still very new to C++ and I'm a bit :confused: too. I am trying to make a program which takes the ascii string from a text file and converts it into binary. I have been able to come up with this code so far: [ICODE] #include <iostream> #include … |
| | Hi, I'm new to C++ and am hoping to find help with coding a simple C program, am wanting to obtain code and functioning exe's. I code in an old version of Visual Basic 4.0, I have a simple app that is about 3 and a half pages of code … |
| | How do you convert a UTC tm structure to a UTC time_t structure? mktime would work except it converts the time back to local time. Here is what I have so far: [code] time_t t = time(NULL); tm *ptm = gmtime(&t); [/code] Thanks, Justin  |
| | I've got 3 classes 2 subclasses that link to a main class. (electric tools, fuel tools connect to Core tools). What i've done is made a handler class(Hardware) from these classes which has a void display in it. [CODE] vector<Hardware> hardware_stock; Hardware record; record.read(cin); hardware_stock.push_back(record); for(vector<Hardware>::size_type i = 0; i!= … |
| | When compiling a program i get this: Cannot open include file: 'afxwin.h': No such file or directory This is because I dont have an MFC library. This is because microsoft visual studio C++ 2008 express edition does not have an MFC library (need to buy the proffessional edition). Anyone know …  |
| | I'm trying to create a exception handling class for a large-ish project I'm working on which inherits from std::exception. I found this [url=http://www.cplusplus.com/doc/tutorial/exceptions.html]tutorial[/url] at cplusplus.com and followed its basic instructions and used its derived class as a template. Here is my Exception class as it stands right now: [code=C++]#include <exception> … |
| | hye, anybody know how to convert 8bit grayscale image to halftone or dither? Would you share the source code for that? :) |
| | hi all, i am checking the 32 byte directory entry in FAT32 file system and i am getting size of some files as negative...how can a file be of negative size....can any one tell me why it is giving negative file size....? |
| | Hi every one, i got a trouble with opening and reading multi files (200 files) in. These files include 4 columns and 1010 rows. event i have tried many times but it still can not work. if possible, could you please give me some suggestion on my code as the … |
 | I have the following globals defined (the relevant ones, anyway): [CODE] DWORD dwNumMaterials; LPD3DXBUFFER lpMaterials; LPD3DXMESH lpMeshBody; [/CODE] And the call to D3DLoadMeshFromX is here: [CODE] D3DXLoadMeshFromX(L"body.x", D3DXMESH_SYSTEMMEM, lpD3DDevice, NULL, &lpMaterials, NULL, &dwNumMaterials, &lpMeshBody); [/CODE] When this is called, it returns a generic error (0x80004005). Also, if it is needed … |
| | My goal here is to write a small class to keep track of memory I allocate/deallocate so that I can more easily find memory leaks. To do this I overloaded the operators new, new[], delete, and delete[]. In those methods, I allocate/free memory as usual, but also make a call …  |
| | Dear All, I'm writing a code which could read the following file: (input.raw) contained: 11 12 13 21 22 23 31 32 33 While reading this file I want to do the following: -Move cursor to the beginning of that file which is before "11", then start reading -After reading … |
 | Hey guys, I've written quite a large piece of code the past few days, and today I've cleaned it up a bit, divided it into functions (I know, bad, should've done it the other way around) etc. etc. The project is a simple 3D thingamadingy, the program is able to … |
| | Does anyone know if vs2005 has the borland equivilent of a "scrollbox"? Thanks. |
| | I'm new to C++ and trying to find a compiler I tried using visual 2008 but it didn't work... then I re-installed it and can't even open it so I need to find something else I need something thats noob-friendly and is updated thanks |
 | I need my output screeen to looklike this. So far i can do all of it except my traingle comes out in a right angle and i dont know how to make it into an traingle shown below. Ive tried usind 'setw" but it doesnt seem to be working. [B]This … |
| | Hello friends..[B]Ugly number is a number whose prime factors are only 1,2,3 or 5.[/B] I had written a program for finding n`th ugly number in the series.Now the series is 1,2,3,4,5,6,8,9,10,12,15...these are first 11 ugly no`s. Now In my program if we put m=11 then output will be 15. It …  |
| | I am writing a program which reads in a database of albums into an array of structs, the data can then be deleted, modified etc. The problem i am having is that when i try to modify a specific record using a search term and then strcmp to the album … |
| | I have a line to pharse like this: 1.2 2 3 4 5 2.4 2.4 2.6 3.5 5.6 3.7 3.4 4.7 3.4 56 I need to sort them in a map of string and vector<double> The problem I'm having is I'm trying to get each colum and store it in … |
| | [code] #include<fstream.h> #include<string.h> using namespace std; class emp { public: char *per; void write() { ofstream out("ss.txt",ios::app | ios::binary); cout<<"Enter some character ....\n"; cin>>*per; //out.write(per,sizeof(per)); out.write(per,strlen(per)); } }; void main() { emp e; e.write(); } [/code] Why this is not working? |
| | Example: There are literally hundreds of programming languages. The number of nonblank characters is : 48 So far i have come up with: for (cin.get(inputLetter); inputLetter != '\n'; cin.get(inputLetter)) { if ((inputLetter >= 'A' || 'a') && (inputLetter <= 'Z' || 'z')) numUpper++; } |
| | Hi, I have got to the section on command line arguments on my online textbook. All the information I can find on it seems to assume that I know how to put command lines into my program but I don't have a clue :$ Can anyone help? |
| | #include<iostream.h> #include<conio.h> #include<stdlib.h> #include<stdio.h> class array { private: int A[20]; int ele; public: void input(); void display(); void bub_sort(); void insert(); void del(); }; void array :: input() { int i;char ch[20]; for(i=0; ch[0]!='x'; i++,ele++) { gets(ch); A= atoi(ch); } ch[0]=0; ele=(ele-1); return; } //======================================================================== void array :: display() { … |
| | I have a problem where i want to compare strings, however the comparison cant be case sensitive. I have tried to use stricmp strnicmp strcmpi They do not seem to be part of the <string> or <cstring> libraries on my compiler. I am using the GNU compiler. Is there a … |
| | Hello all, I am in need of some assistence. So if anyone could help that would make my day;). This is a piece of my code [code] for( int i = 0; i <= 13; i++ ) { cout << "SLOT : " << slotNumber; fprintf( HashTable, "\t%i slot : … |
| | [CODE]#include <iostream> #include <vector> using namespace std; // global constants const char X = 'X'; const char O = 'O'; const char EMPTY = ' '; const char TIE = 'T'; const char NO_ONE = 'N'; // game function's prototypes void displayBoard(const vector<char>& board); // function that displays the game … |
 | [code=cplusplus] #include <iostream> #include <string> #include <stack> #include <cctype> //alnum #include <cassert> //assert using namespace std; #include <sstream> string infixTOposfix(string); int evaluarRPN(string); int main () { // main began string infix, posfixWspaces, dummy; double result; char repeat; do { cout << "\nPlease enter the expression in INFIX: "; getline(cin,infix); posfixWspaces …  |
| | [CODE]#include <iostream> #include <vector> using namespace std; // global constants const char X = 'X'; const char O = 'O'; const char EMPTY = ' '; const char TIE = 'T'; const char NO_ONE = 'N'; // game function's prototypes void displayBoard(const vector<char>& board); // function that displays the game … |
| | Right now I am learning how to use C++ programming on Linux. I just learned how to copy a file, now the question is, how can you tell if a file has been copied or not? I think I need a command or a function that allows me to check … |
| | Hey could someone help me bout my problem.... can someone tell me how to make an asterisk frame using for loop statement in C++ and also 1 thing.... how can i display an input letters into an asterisk... eg.. username: bulbulito password: ******** |
| | Hi,im new to c++, i use Dev-C++ to compile my programs i have little problem with ofstream function,i think you guys can help me What program does? Lets say my Computer name is nixon-pc. Program displays text in cmd: "File nixon-pc.html has been created" and than create file C:\nixon-pc.html . … |
| | How do I convert a char* or an unsigned char* to an unsigned int? |
| | Guyz I Don't want to write another array function using VOID I wanna do it using pointers for the extra grades...... can ny one give me a clude or just6 a sample code snippet on how to return a 2-D array ?? I have to fing sum of upper half … |
 | I'm having some trouble on deciding to purchase Scott Meyer's Effective/More Effective C++ books or Herb Sutter's Exceptional/More Exceptional C++. I'm assuming both cover the same concepts, but I could be wrong. Opinions/Votes please from C++ programmers that found the one they read useful. There's also an option for both … |
| | I wish to create a program that will be a quiz game (multiple choice) questions I need to be able to display it and the options and allow the user to use the mouse to click to the option which he thinks is the correct answer. My answers will be … |
| | Also do tel me what is the process of creating functions in seperate files and referencing them under a single file. I use a dev-C++ for my coding |
| | i need help on this question. any kind souls can help me? with great thanks. ive already done some part of it but still cant get it working [code=cplusplus] #include <iostream> #include <string> using namespace std; class court { protected: string name, ic, telephone, fn, day; int time; public: court(){}; … |
| | [CODE= CPP] //Searching for specific characters while (!stats.eof()) { stats.getline(counter,200); for (int i=0; i<strlen(counter); i++) { if (isupper(counter[i])) upper++; if (islower(counter[i])) lower++; if (isdigit(counter[i])) decimal++; if (isspace(counter[i])) blank++; if (counter[i] == '.') end++; if (counter[i] == '!') end++; if (counter[i] == '?') end++; total++; } } [/CODE] Hi guys, I … |
| | The issue I am encountered with is… the same vector we read as double is to be used in another function, but with different data type as mentioned bellow. So I need a conversion function which performs this fact. I have a class as follows [code][i]template <class T> class NRVec … |
| | In some of my programs I encounter error message in the middle of the successful start without debugging.... is there a code showing the reason of the error message? |
| | guys, can u help me make a lexical analyzer that outputs invalid/valid only? it would really help if you guys help me with this. this is my midterm project. thanks!! |
 | Hey ppl, Im currently writing a code for the following problem. " Problem Statement ***Note: Please keep programs under 7000 characters in length. Thank you Class Name: SquareDigits Method Name: smallestResult Parameters: int Returns: int Define the function S(x) as the sum of the squares of the digits of x. … |
| | I've have a class function below (using fstream) for my game that I had working on Visual C++ 2008. When I tried to port my app to xcode, I found it compiled, but complained that the directory doesn’t exist. Believe me, the directory exists. I've checked and rechecked! Basically this … |
| | Hey, I am having a really weird problem with my OpenGL Program. When I compile it in Debug mode and run it through Visual Studio 6, it works fine, but when I run it from windows, it works fine until the part where you go to manipulate the camera of … |
| | I feel that all or almost all of the stack arrays needs a stack header... well this is the project target... I need to input a postfix algorithm an check whether it validates or not... I'm not very familliar with headers could some one suggest it for me or make … |
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