49,765 Topics
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| | I am trying to change some data indside a txt file, based on the input given by the user.The input file is [B]indata.txt[/B](The commented part is, what it holds).And the output file is [B]"outdata.txt"[/B]... The problem is with line 52 and 53.Notice that in the loop from line 55 to … |
| | Hi guys, I have a code in C++ that was written way back in 1995.Back then,I guess even in C++,#include<iostream.h> was used unlike nowadays, #include<iostream> using namespace std;.....im rite now trying to compile that code with a g++ compiler.It gives the error at lots of places:"cout not declared in this … |
| | So to accept multiple clients, I am dynamically accepting them, but so that I can handle them(data transfer etc...) I wrote a linked list which so far works fine. I can broadcast a message to all clients fine by looping through my list and SEND->client, fairly standard. But when a … |
| | Hey there! I'm new to c++ and programming in general and have a quick question to why the program below works. I had most of it completed but for hours i couldn't figure out why every time i tried to enter input for the "make" member of my dynamic structure … |
| | hi to every one!!!!!!!!!!!! i just need a help from u, i just want to assign symbols like @$* wat i hav to do please help me by giving me a sample example. |
| | My error occurs on line 191 and 156. For some reason it is saying it cant find the default constructor when I have supplied the right amount of parameters. The error it is giving me is "Cannot find default constructor to initialize base class" code: [url]http://pastebin.com/WLMvBMyy[/url] If anyone could offer … |
| | Hello guys, I'm working on a new project in C++ and I need to parse some XML files, by reading some articles on the web I found that the most commonly used one is the Xerces library. However, I'm currently having troubles. Can anyone tell me how can I include … |
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| | I am trying to create a code that receives up to 50 integers from the keyboard, sorts the array from largest to smallest, then counts the instances of each number and displays the number inputted and the count of the number of instances. For example, if the number 11 was …  |
| | 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 … |
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