51,593 Topics
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| | im just wondering how you use send() and recv() like: [code=cpp] bool blah() { if(recv(send("10.1.1.1", "HI"), szBuffer, sizeof(szBuffer)) { MessageBox(NULL, "WORKED", "??", MB_OK); return true; } else { MessageBox(NULL, "FAIL", "??", MB_OK); return false; } } [/code] i know that wouldnt compile but you get the point? |
| | I got following algorithm for finding permutation but I can't code it. Can any one can code this permutation algorithm in c++ using recursive method as below [I]bool nextPermutation(int array[])[/I] 1. The first permutation is the permutation represented by the sequence (1, 2, …, n). 2. The last permutation is …  |
| | Hey guys. Question is. I need an example of a working code for a multiset. Hope theres someone out there who can help me on this, kind soul. Probably a multiset with a set of a grocery lists; not numbers you know.. for eg... {eggs, tomatoes, onions, chicken, shampoo..etc} you …  |
| | This program does not have any input. Instead, the main routine, called the driver, calls the Pay function, testing it with a variety of parameters. Your job is to write the function. It should calculate the rate of pay, but in this case, the function returns the amount of pay … |
 | Hey I'm writing a color class, and I want to have a constructor that can take in an unsigned int like 0x00FF00FF and interpret it as fully opaque green. I have code for that (I think it should work, could someone check it?): [CODE] rzb::color::color(unsigned int hex) { m_red = …  |
| | Hi, I normally post at the IGN boards for games, but recently I semi-quited games(school reasons) and thought of getting serious with C++ because I want to become a game designer in the future. I know its going to take a lot of hard work and time but I know … |
| | Hii there Can ne tell me how to compile and run a C prog. using microsoft VC++... Till now i have been using Turbo C++ Compiler...  |
| | Hi Guys I just started learning some C# Coding and i was wondering how i would make an interface for a C# program. If this is a dumb question please dont be too cruel to me. |
| | hey all; is there a conversion from "char" to "int" or to "double" possible ? If yes, how? and if not, how do we work with numbers that have more than 32 digits, for instance a 500 digit number? thanks  |
 | I have to send bitmap and do something like this: Client: [code] HBITMAP bmp = LoadBitmap(0,MAKEINTRESOURCE(1)); send(socket,(char*)&bmp,sizeof(HBITMAP),0); [/code] Server: [code] HBITMAP bmp; recv(socket,(char*)&bmp,sizeof(HBITMAP),0); [/code] But this won't work and I know it... so I have to use e.g. GetDIBits and SetDIBits. But how? Please don't give any example links, they … |
| | what is the easist way find out the number of lines in a txt file? there seems to be a function to ignore rest of the line...will that help?  |
| | Hi everyone, I've been working on a word processor called 'Pen and Paper', and I need some help with the Find/Replace Dialogs. I'm using Visual C++ 2008 Express, and I have a Richtextbox control (txtdisplay) including a main menu. I've finished making everything such as save/open, New Document, but I …  |
| | i have been given an assignment about palindromes but i don't no how to do the coding in c++ and using queue and stact to check if a string is a palindrome.. please help me guys.. i need all your knowledge about it!.. i need it as soon as possible.. …  |
| | Hi, I am sure you have all seen the recursive factorial program. [code] int factorial(int number) { int temp; if(number <= 1) return 1; temp = number * factorial(number - 1); return temp; } [/code] " Once at 1, the values are returned to the previous factorial call and multiplied … |
| | Is there an easy way to convert from Char* to int? I have tried converting as such: [CODE]char* value_a; int* temp = value_a; int final = temp;[/CODE] The compiler is returning an error so I know something is wrong but why can't I convert this way? Any suggestions as to … |
| | I am trying to write the class that will take in objs from another class and put it into a circular array without using the STL. O I wrote the class and in Main I delcared an obj of the queue called (myQueue myQ) so this is the obj but … |
| | [CODE] string hello; cin>>hello; sprintf(buf, "This server has been contacted time%s\n", hello); [/CODE] I'm making a simple client-server program. I just want to know how do I get to print out the hello string inside the sprintf() >.< soz might be a very dumb question.... The error i keep getting … |
| | Question:-- Write a program that read a line of text, changes each uppercase letter to lowercase and places each letter both in a queue and onto a stack. The program should then verify whether the line of text is a palindrome Output: Please enter a line of text I am … |
| | I have a problem that seems like it should be easy but so far has been fairly difficult to find documentation on... I want to be able to pass parameters to a program in the command line in the same manner as the built in functions (ex. the "/r" in …  |
| | Hi.. I have a question regarding the configuration manager.. Why is it that the samples on the MSDN Learning center cannot be compiled using the default settings? With Itanium as the active solution platform by default, the compiling gets skipped.. However, when I change this to Win32, it compiles.. Isn't … |
| | I read that STL containers will allocate elements in the heap but the container objects are allocated in the stack. Therefore, in the code below do I need to first clear off the elements of vector "vec" from the heap before deleting "sub" in order to avoid memory leak? Or, …  |
| | I'm trying to read a com port. I can create it, change the dcb, set the timeouts and see the input buffer using ClearCommError. But I can not read it. When the program hits the ReadFile() statement it never comes back. Here is some of the code: [ICODE] char CMyClass::EIA232_Open(HANDLE* … |
| | this is wat i hav been doing but its not workin.i am not able to write the code for searching #include<iostream.h> #include<conio.h> #include<stdlib.h> #include<stdio.h> #include<string.h> //***Record structure declaration*** struct Details { char name[30]; char sex; char status; char title; char address[40]; char qualification[10]; char experience[20]; int telephoneno; int membershipno; int … |
| | Hi all, I am trying to optimize one of my applications by cutting down on the number of function calls I am making. I have decided to do this by reading definitions out of a file and using them as the argument for the function. [code] char registryHive[MAX_PATH]; ZeroMemory ( … |
| | in VC++ 2005 I tried to create directory using CreateDirectory(_T("c:\program files\Testing")) But it is not created in c:\program files\ it is created in loged in Users appdata folder how can i overide this senario in vista (windows folder and System directory) please give any link or information |
| | Ok so ive strted to try and teach myself C++ cause in a few years when i go to college i wanna study computer science or engineering. I downloaded Dev C+++ and followed some small simple tuts on how to do C++. 2 of the tuts started off simple and … |
 | I want to be able to do this: Pass a parameter to my main program like "parallel = yes" and then many functions down in the hierarchy (ie main calls "Function1" which calls "Function2" which calls "Function3", etc) I need to see the value of "parallel". I'd hate to have … |
| | [code] #include <cstdlib> #include <iostream> #include <string> using namespace std; string name = ""; int main(int argc, char *argv[]) { cout << "Hi, whats your name? "; cin>>name cout << end1<< "Well Hello " << name.c_str() << "Please provide me two numbers on 2 seperate lines "; cin>>number1; cin>>number2; cout(number1+number2) … |
| | hi guys, hi bosses, I am in real trouble. I have to finish my program by tonight, look out to my threads and give me a solution pls. I will be greatful to those who will give me a quick reply. Cheers |
| | hi ppl, im havin a problem with declaration of functions, its givin me errors on the functions i made. [code=cplusplus] // empleados.cpp : Defines the entry point for the console application. // #include "stdafx.h" #include <iostream> using std::basic_iostream; char menu (char); void ingresar_legajo_hijos (int &, int &); void ingresar_horasTrabajadas_valorHora (int … |
 | is it possible to use the Dev-C++ compiler with Netbeans? if so how, i can't find anything that explains it. |
| | I have two files sampleclass.cpp and sampledataclass.cpp along with sampleclass.h and sampledataclass.h In sampleclass.cpp in the constructor I give a value to a variable [B][U]sampleclass.cpp[/U][/B] sampleclass:sampleclass(){ x = "some string value"; } In sampleclass.h I create x and an instance of the data class [B][U]sampleclass.h[/U][/B] CString x; sampledataclass myDC; Now … |
| | hi guys, I'm new to C language and am currently using an online tutorial, ive been doing prety well on my own until now. Basicly the problem is with the "while" command, when i copy and paste the code im working with from the tutorial site into a word pad …  |
| | I need to read a txt file as data input. The format of the txt data is: ... x x C C x x C x x C C C ... where x represent numeric value, C is charater, and the same format repeated many times, but may change to … |
| | The Task The range R(v0, a) of a projectile fired with initial velocity v0 at an angle a is given by: Your task in this test is to write a function to calculate the range, then to produce a table of ranges for prescribed values of velocity v0 at an … |
| | the problem is to find the minimum numbers to be popped from an array to make it sorted. so for example 12534756, you can pop all but one, but it's best to pop 5 and 7 cause it's the least needed to make it sorted. I'm having difficulties finding a … |
| | I am having trouble reading in data from a file. The data file store the information of albums and its respective track info eg 1234 //this is id number Scarlets Walk //album name Tori Amos //artist 24 //price 2 //stock Pop //genre Track A //track name 10 30 //track length … |
 | Hi guys, I've been searching for a C++ compiler for my Xda Exec, running Windows Mobile v5. It looks like CEdit will do the job (unfortunately not free) but then I have to download the compiler from a "third party" I'd be grateful to hear from people who are using … |
| | Hi happy people I've bin trying to sort items in a list box, the problem is obviously: It doesn't work Please, any modifications to the code below is fully and unconditionally allowed. [code=C++] void __fastcall TForm1::btnSortClick(TObject *Sender) { //sort ascending if (rdAscending->Checked){ bool swopped = true; int iEnd; int arr … |
| | so this is what I have done [code] #include<iostream> #include<string> void menu(); using namespace std; char choice; void digcom (); void matrices (); int main () { menu(); return 0; } void menu() { cout<<"\tMENU" <<endl<<"MATHEMATICS(matrices select A)\n"<<"DIGITAL COMMS select B\n"<<"c TO EXIT"<<endl; cin>>choice; while(choice!='c') { switch(choice) { case ('A') … |
| | hi they is this program that I have created and the problem now is that I need it to be infinate unil he user enters the letter c. I hafe created a while loop then made the variable which stores this choice global after each function has ran i then … |
| | it's the link in the web site [URL="http://www.vietnamfuntravel.com"]example[/URL] has one sub page as : [URL="http://www.vietnamfuntravel.com/hotels.php"]subpage[/URL] .when we click on button book now . how to get the link : [URL="http://www.vietnamfuntravel.com/book_tour.php?tour=49&title=Phan%20Thiet%20%20Mui%20Ne%20(02%20days%20%2001%20night)"]follow[/URL] in to code for new mail ??? |
| | hi there I want to give a for loop in my programm that if any student fails in more than four subject he will not be able to go to the next level. if average is less than 40 then the student will be failed . i tried in many …  |
| | hello coders, I am facing problem to filing my programm. it opens the intended file but problem is it is not saving any datas. I want to see the results in notepad or word. I am using windows vista and my soft is dev C++. I dont want to use … |
| | Good morning, good afternoon and good evenings (to cover almost all posibilities) The error message is as follows in DEV-C++ compiler [QUOTE] Compiler: Default compiler Building Makefile: "I:\cpp\Makefile.win" Executing make... make.exe -f "I:\cpp\Makefile.win" all g++.exe include/Test.o include/Objeto.o include/ConjuntoBase.o include/IteradorBase.o include/ConjVector.o -o "TestEstructurasDiscretas.exe" -L"C:/Dev-Cpp/lib" include/ConjVector.o(.text+0x45):ConjVector.cpp: undefined reference to `vtable for ConjVector' … |
| | I have a very simple class [code] class Point { public: Point(); Point(double x, double y); double x_; double y_; } [/code] the problem is, I can't assign my class to another instance, ie: [code] Point A(2,4); Point B(); B = A; [/code] It says the lvalue must be modifiable. … |
| | Hi everyone, I'm busy working on a word processor in Visual C++ 2008 and I need some help with a Print option, and a Page Setup option. What I'm trying to do is print the contents of a RichTextBox control (txtdisplay), and can't find any way to get it to … |
| | im a highschool student and i really need help bout this.... how can i make a program that will enter my name and display it automatically..... |
| | I am creating a msi file in windows installer. When the msi is executed, it register some dlls in the registry. I renamed a dll in the code and i manually want to rename the dll in the registry. How can i do this Thanks in advance  |
| | Suppose we have to write a program where a mark out of 60 is entered and then the corresponding symbol has to be displayed. A message indicating whether the person has passed or not, should also be displayed. We decide to write the program in three steps. You should submit … |
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