49,757 Topics
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| | I am trying to set up the GUI Library FLTK but cannot find a way to set it up for MSVC++ 2010 Express. I looked on Google but failed to find any tutorials on doing this. I also tried CMake but ended up with an error in CMake and an …  |
| | The forum is buzzing with questions about tokenizing a C++ string. This is a short function that does it and returns a vector of the tokens. As an option, the delimiter string can represent either a multichar delimiter or a collection of single char delimiters: [code] // multichar delimiter == …  |
 | any particular reason why r=p(3,1); cout<<r; spits out 1? note ive tested z m and t only r gives one even though its the exact same code ? what gives ? [CODE] #include <iostream> using namespace std; int p(int x,int y){ //supposed to be a power operation if anyone knows … |
 | Hi, everyone again. I have a new problem. I hope that somebody will help me. I still don't find a decision of my last problem. This time I have following task: I have a Form. I have ComboBox, DBGrid and Button. I must select name of table in which I … |
| | OK I am new to C++ so I decided I'd toy around with what I know and try and do some neat stuff. I'm trying to make a program that will try and make you guess the number it's thinking of. But every time I run the program it always …  |
 | Hello all, Anytime I write a header file in VS 2008, it doesn't compile... it tells me that "unexpected end of file found"..any help on this? Thanks!! |
| | Hi, I'm taking a class on C++ and we just went over classes and objects. We have a homework assignment due and I was wondering if someone could check over my work because some of this class stuff is hard to wrap my head around. Here's the homework assignment (it's … |
| | Good day, everyone. I am refreshing my c++ skills from a year break or so :$ I am having some troubles remembering on how to write to a file. I have the general idea down, but I am not sure what I am doing wrong. I would be much appreciative … |
| | hi Everyone, I'm working with a Text file. Somewhere in my code a function returns the current position of the file pointer. But i want it to go to the next line or 2 lines after to do a string search there. Anybody knows how i can do that? Bests, |
| | I am trying to use a digraph to read in airline flight information from a file and then ask the user for the source and destination then print out the path to get there. the text file contains source, destination, miles, cost. I am having problems making it use the … |
| | I could use some help getting my code to work. The user inputs the time in digits (ex: 7 35) and then the time is output in text (ex: seven thirty-five). I have populated an array but i can't get anything to print from the array. Here is what I … |
| | I am looking for a good C++ example of a simple MySQL client program written in C++ and runs on Linux, using MySQL++ libraries that does the following (no threading): Accessing Option File Contents, ~/.my.cnf, in user home folder to read settings (load_defaults). Constructing and sending the sql statement that …  |
| | Hello there! I need a little help with a key detection program, i only need to watch for 1 key just -like the method to start recording with fraps-. I'm trying to use WH_KEYBOARD hook(not the WH_KEYBOARD_LL because i need the program to do stuff while "hooking"). In the dll … |
| | Hi, I am trying to call a MouseUp event. I usually do this with button events wich is my first example that works fine but I have compile error for the MouseUp event like shown below. I dont know if there perheps is a difference here that I am missing … |
| | Could someone please make me understand a line in the code? Ive commented it [code] class Circle { protected: double radius; public: Circle(double r = 1.0) : radius(r) {} //this part is what i dont understand double calVal(); }; [/code] |
| | Hy. I am trying to encode a ASN1 structure with DER , but i get a parse error. My in text is : 304913214D617374657220646520736563757269746174656120696E666F726D6174696569301E170D3039313030313030303030305A170D3130303331353030303030305A020103010101 and the code is this: [CODE]include <openssl/asn1.h> #include <stdio.h> #include<conio.h> #include <string.h> #include <iostream> #include <fstream> #pragma comment( lib, "libeay32.lib" ) using namespace std; int main() … |
| | Morning all, I've got a grid of rooms that I need to navigate round using directions in main that's working fine, in main I've put a random starting location that also works. Ive also got a program with two functions in it, random starting location and random direction facing to … |
| | how do you declare an array of dynamic string. i mean..if you have char name[501][41]; how do u declare the above in dynamic mode using *. char *name[41]? or char *name*? thanks in advance; |
| | Hi; I am making one small application which can store data to my online mysql server. But with c++ win32 how can I do it? Please help me. |
| | Hi, I am simply trying to output text to my project screen that has a counter which increments by one, than prints it. Here is my attempt. int abovemaxpoints = 1001; // this works for any scoring for the game. while(std::cin >> abovemaxpoints) { std::cout << "star points" << counter++; … |
| | I have to write an extension of basic_stringstream class, and I'm facing some difficulties with endl() function. Here is my code [CODE] class Logger: public basic_stringstream<TCHAR> { public: Logger(); }; inline Logger& __cdecl endl(Logger& _Ostr) { // Original code in ostream _Ostr.put(_T('\n')); _Ostr.flush(); return (_Ostr); } int main() { Logger … |
| | I'm not sure if this is the right place to post this, but I do use c++ so....yah. My problem is that I don't know what to do now. I'm certain I haven't mastered c++, but I think I've mastered the basics. So now I'm thinking "What now"? Is there …  |
| | I notice <vector> uses the constructor once and then uses the copy constructor for a class when creating all the other elements of a vector chain. So, if I have: [code] class MyClass { MyClass() { cout << "Constructor" << endl; } ~MyClass() { cout << "Deconstructor" << endl; } …  |
| | I am just 'transfering' from c to C++ and so ... some of the header files #include <direct.h> isn't exactly C++ friendly... I know I can just use them however I want my code to be as C++ly as possible as i'm just learning it... So.... [B]How do I:[/B] [LIST] … |
| | Hi everybody, I have a legacy program at work that I have taken over and my boss wants me to add some functionality. I have already added a com object to the program and am producing a functional dll which I can write strings to and control my program. I … |
| | Hello everyone..I am planning to develop a payroll system in C++ using textfile as its database but i don't have any idea on how to begin it..Can any one help me with the codes please..How to view data into textfile, how to write data into textfile, how to save data … |
| | i am doing a POINT OF SALE i nvisual c++ for my basic diploma course. i need to do an IPO CHART for the report as well. I have done the report- see below- can anyone tell me if i am correct or have missed out on anything : IPO … |
| | Does anybody know how to get data from the ethernet port? Is there a library for it? Basically there is going to be a microcontroller sending data over ethernet, and I want to get the data it sends and write it to a file Thanks |
| | A very basic question: In the standard c++ structure, every .cpp file looks like this: MyClass::MyClass() ... MyClass::~MyClass() ... MyClass::function1(... MyClass::function2(... MyClass::function3(... It looks redundant to reiterate the "MyClass::" every time. I tried different ways to use namespaces for this, without success. It there any way to telll the compiler … |
| | Ok, so im having a little bit of trouble. Just lettin yall know, im 13 and just started trying to c++ a couple of days ago (3 days) so i think im coming along quite well! But i've tried writing this script and can't seem to do it :/ so …  |
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