49,761 Topics
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| | Dear c++ gurus, i have thk all over wat is means by the following hightlighted text, but not understood, can anyone explain to me what do they mean? or how do they function? [code=cpp] class RotationSensor : public Sensor { public: RotationSensor(const Port port, int position = 0) : Sensor((Sensor::Port) … |
| | Hi, I'm still pretty new to c++ programming in Fedora Core. I've successfully done up my c++ code and it can run when i did: gcc -o test test.c ./test However, is there a way which i could run this test file from any directory? For example, u can run …  |
| | The easiest way that I've seen to make sounds with C++ is with [code]Beep (frequency,duration);[/code] But, I've run into a snag. This command only outputs to the internal speaker which was all good on my old computer, but on my new laptop I either don't have an internal speaker or …  |
| | I ahev to make a project of daewoo a bus servise reservation system in c++ please help me so that i would make it in a better way thanks xeroz |
 | Can ne-1 explain 2 me the output of the following code ? (Mind well, it's completely legal C code !! ; n it actually won the International Obfuscated C Code Contest.) #include<stdio.h> main(t,_,a) char *a; {return!0<t?t<3?main(-79,-13,a+main(-87,1-_, main(-86, 0, a+1 )+a)):1,t<_?main(t+1, _, a ):3,main ( -94, -27+t, a )&&t == 2 … |
| | Hi folks. I'm having some trouble with a program I'm working on. What it is is a chatbot based on eliza. Part of the program tokenizes what ever the user inputs. The problem I'm having is that the tokenizeing function stores the input into a vector. What I need to …  |
| | Is there a tutorial on learning to work with api's. I am trying to automate a telnet connection to a router. I figured out how to telnet, but how to i type the commands inside the telnet session.  |
| | I am trying to create a set of functions to allow the user to output a string to a file name EngineLog.txt It compiles fine, but I get an Unhandled exception at 0x00444c36 in Test.exe: 0xC0000005: Access violation writing location 0x0000000d. This occurs in the EnableLogging() function. [CODE]//----------------------------------------------------------------------------- // The … |
| | Still stuck on this one. I am not back in class yet. This is my personal research/review for the upcoming semester. I am not where I'd like to be with my review, but I really want to solve this one; but I can't seem to get started. Can someone please …  |
| | Alright, so I've got a linked list program going here, and I've succesfully loaded a text file, and I fed each line from the text file into my linked list nodes. Now I want to create a few commands that's going to allow me to alter this text file, while … |
 | This is going to sound wierd at first, but I found a really cool usb controller. Let's see if I can find a link to it... [URL="http://www.bestbuy.com/site/olspage.jsp?skuId=8609696&type=product&id=1192233008066"]here it is[/URL] Now this is the wierd part - the first thing I thought when I saw this was "how sweet would it …  |
| | First of all, i hope the [code] [/code] thing is what i was asked to do to encase the my code. And please help on the set() function. I don't know why the string type in the parenthesis gave me compile error undeclared identifier. thank you. [code=cpp] # include <iostream> …  |
| | Anyone please take a look at the set() ... i don't know what went wrong that string in the set() gave me compile error saying undeclared identifier, which shouldn't even be a variable [code=c++] # include <iostream> # include <string> # include <fstream> using namespace std; class Name { public: … |
| | Hey, I'm performing research on tracking applications using video cameras. My background however is civil engineering, so my programming experiece is limited. I'm starting to play around with Visual c++ but haven't found a way of opening a live video stream (my cameras are connnected to a network) in a … |
| | Hello! im new here and i have a problem regarding programming. We are required to compute for the distance of a certain city to another city...for example whats the distance of new york to los angeles..then the program will compute its distance... the output of the said program should be … |
| | Hi, ahm, I'm trying to make dll that will have 5 simple functions. For example bool GetHTTPResponse(string url, string *buffer); So, my DLL includes curl DLL, that includes 3 anoother libraries. I just created simple function with name GetHTTPResponse, here is the source: { cout << "Test" << endl; return … |
| | Hello, I am having trouble with the memory size of an array I am using. At the moment I have an array to pointers of objects. These objects get read in from a file and sorted, then a new file is outputted after some filtering is done on the array. … |
| | :icon_question: Hi friends i have got a problem on the template class. that is why do i need to declare the key word [B]template<class t>[/B] on every function defintion of the member function. since we have declared it as global declaration on the top of the class.  |
| | I'm only a few days new to C++ and I'm working on a program where I need to give commands and a coresponding function is called. At the moment the code uses the given string and goes through "if string = functionname then..." but I am trying to be more … |
| | Hi all, I am a novice c++ programmer with php experience and am trying to learn to do some usefull stuff in c++. To learn I try to write a chat client with a mySQL backend and so far it works great. To make it useable I need to get … |
| | I am converting from VB to VC++ (which might give you an idea of why I would be asking stupid questions). I already have a working Win32 program written using VC++ and I now need to create Drive, Directory and File List boxes that allows the user to select a … |
 | Hello,I am new for C++.The following are the codes I wrote to calculate the sum of 2^n. The result is 2046 after running the program.That is correct. But when I change the condition to n<=100,the result comes with -2,which is obviously wrong.Then I tried different n and found if n<=30,the …  |
| | hi all Following is the code which is giving me the aforesaid error : [code] #include "MessageHeader.h" #include "MessageProcessor.h"//contains the class MessageProcessor .. class RequestCacheHandler { private: public: /*********************************************************************** * Functions related to handling of requests ***********************************************************************/ MessageProcessor msgRequest; TcpPacket tcp; ..... ..... .... [/code] Am i missing something? plz … |
| | hi, i have a txt file "names" containing 300 set of personal info such as: 3765 // id thomas //last name barry // first name 876-988776 //phone number 16.37 // a price of what he purchased 8765 // id repeat dionisio // last name repeat tom // first name repeat … |
| | How to fix error it sayTskindata not found? plss help me |
| | Hi I am using BCB6 and have a memo component in my project. I want to change the color of a line(font color) depending on my message I need to display i.e. red color when I need to show an error message and black when no error. But when I … |
| | Hello. I would like If possible get some input and assisstance on operations with external files. So this is what i have so far: [code=cpp]#include <iostream> #include <fstream> using namespace std; void main (){ cout<<" Input into the file '.' " <<endl; char zbor[20]; ofstream dat; dat.open("tekst.txt"); do{ cin.getline(zbor,20); if(strcmp(zbor,".")){ … |
| | i started to put in the hello world code in my compiler and i've tried to build it and it pops up this message error C2447: '{' : missing function header (old-style formal list?)how do i fix it here is the code [CODE] #include <stdio.h> ; int main (void) ;{ … |
| | This code hangs on me running. The problem is that "r" does not count right (not like it is directed under FOR expression). Does the problem lay beyond the code? #include <iostream> #include<string> using namespace std; // using std::cin; // using std::endl; // using std::cout; // using std::string; int main() … |
| | Hi there I'm trying to learn how to do classes in C++ while working on a project. I have some code (below) which fails to compile with the error (below) Any help would be appreciated. Many thanks [CODE]packageType.cc: In static member function ‘static packageType* packageType::fromString(std::string)’: packageType.cc:20: error: request for member … |
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