51,593 Topics
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| | Hi, I am doing an undergraduate physics project by writing a C++ code to implement the Metropolis algorithm to a simple 2d one component plasma. In short, I have to determine the equilibrium configuration at each temperature by means of the Metropolis algorithm and then compute ensemble averages (such as …  |
| | Hi, I'm trying to use command line stuff with C++. I've read that you do it with System(); Is that the best way? My main question however, is how do you read in the results from the command? I think I can do 'thecommand > file' to output the results … |
| | Hey peeps. I'm currently working on a level editor for my game. and the part im working on at the moment is like, the sprite editor for it, where you can load a bitmap from a preset directory 'Sprites' in the games directory, set the collision points and then use … |
| | Hello all! I am having a bit of a problem with the grasps of Open CV and thought i may be able to request some of your help. Though I'm not completely sure that this is the right category. I have been playing around with openCV to try and provide … |
 | Hi people, I'm trying to compile my C++ project under Windows, which it should be able to. I've got a whole bunch of dependency libraries. When I compile everything seems fine until these error pop up: [CODE]1>C:\Program Files\Microsoft SDKs\Windows\v6.0A\include\rpc.h(27) : error C2598: linkage specification must be at global scope 1>C:\Program … |
| | Hello everyone, i have a problem in my code. I want to make 2D vector with type char and the char read from a file, because i want to make it as dynamic array regarding the size of input can be different. Here is my file: bla.txt ------------------------------ K1, K2. … |
| | I just created a code in c++ and i was wondering if there is any way a can convert that into a excel document. |
| | how does the compiler, running program ? know how much memory to delete with the delete[] because if there is no reference to the size that the developer can access, is it the compiler that tell the delete[] operator how much to delete ? or is it within the running … |
| | Hello I have a form where I have a lot of code perheps about 1000 pages. Now in an event I have 160 lines of this code that I show below. I am showing 2 lines to give an example here: [code] for(int i = 0; i < 6; i++ … |
| | Is there any free C++ programme that I could use as Im trying to learn this?  |
| | Heyy daniweb! I have a couple questions that need answering :) 1. Is there a way, in C++ to do a do - if loop? 2. Can there be a way to do something like: [CODE]#include <iostream> int main() { if (g == string) // if something were to EQUAL …  |
| | Exercise 1: Introduce int variables x and y and int* pointer variables p and q. Set x to 2, y to 8, p to the addre ss of x, and q to the address of y. Then print the following information: (1) The address of x and the value of …  |
| | I know how to create a UDP socket and bind it to an ip/port and how to read a stream of data from the socket using recvfrom(), but how can I get the data of a single UDP packet at a time? For example if "data of one packet" was … |
| | I have a csv file that has 12 columns. I've been using: [code=c++] while(!infile.eof()) { getline( infile, source, ',' ); outfile << source << ", "; getline( infile, native_ID, ',' ); outfile << native_ID << ", "; getline( infile, index, ',' ); outfile << index << ", "; getline( infile, … |
| | Hi all, Im trying to read data that is send from my Arduino Duemilanove(Atmega328). Link to arduino: [URL="http://arduino.cc/en/Main/ArduinoBoardDuemilanove"]http://arduino.cc/en/Main/ArduinoBoardDuemilanove[/URL] My arduino sends a max of 24 chars. example 1: 32767*32767*32767*32767 Now if send 24 chars and read them in "UitBuff"(24 chars) the data is correct. However if i send less then … |
| | Hi Everybody I wrote this program to experiment with dynamic binding. One class inherits from another which inherits from another. The user creates a new object of their choice at run time and 2 functions within that object should be called but it doesn't seem to be working out that …  |
| | Hi all again, I'm now in my 3rd week of my C++ course and I have a few little issues I need explained to me. The Hangman game in question is NOT supposed to be functional yet. It's an generic exercise in classes in which Hangman will be MY final … |
| | 1. an int and a class with only an int member, are they of the same size? 2. what is the size of a class containing 4 ints and a virtual function? |
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| | It was a question in an old exam : the expression if(num != 65)can not be replaced by....... and the answer is: if( !(num-65) ) but I can't understand this condition :( what is num-65, what does it mean? Thanks  |
| | Define a class Queue_time that represents a queue of Time objects (from our textbook) by keeping its elements in a dynamically allocated array (with maximum capacity) and make the queue as a "circular array" (the first element follows the last one). Supply the "big three" memory management functions. Use this … |
| | So, I'm writing a roguelike game in C++. But, its complaining about a class I made called "Player" in the file "player.h" in the file "monster". When I input into monster this function: [CODE] void attackplayer(Player& hero, bool checkup, bool checkdown, bool checkleft, bool checkright) { if (checkup == true … |
| | Another new coder here, and yes, I am a student. I am NOT asking for a solution, but I am asking for guidance to point me in the right direction. I am supposed to write a code that receives input from the terminal as to the temperature in Fahrenheit and … |
| | hi, I have a problem with implementation of a quicksort algorithm. I have pseudo-code which helping me understand this, but I still can't make this program to work. Does anybody can help me figur out what is wrong in my code? Thanks My code : [CODE] #include <iostream> #include <ctime> … |
| | Does anyone know if it is possible to open files for editing via ftp using Visual C++ 2010? Thanks, Remus |
| | Hi i'm new to using c++ and i would like to ask if you could help me out. I have to somehow get a working c++ program that will allow me to convert any one, two or three digit positive integer into words using string/array method. Say, 111 will be … |
| | How do i search all the lines in a richtextbox for a specific string in the line and then return the line number the string correspondents in. [edit]using Visual c++ windows form CLR |
| | Basically, after the user inputs a cvs file which is formatted like (unmod.cvs that is attached is complete file): Source, Native ID, Index, Charge, Cluster ID, FDR, Precursor Mass, Calculated Mass, Mass Error, Peptide, Mods, Search Scores /tumor/set2/mam_082208o_individualsamples_747T_set2_082008_A01,scan=771,770,2,46,0,1162.436,1162.438,0.001953125,NDDDEEEAAR,,(mvh 52.0926)(mzFidelity 69.9226) /tumor/set2/mam_082208o_individualsamples_747T_set2_082008_A01,scan=1147,1146,2,93,0,1436.543,1436.506,-0.0369873,AAEDDEDDDVDTQ,,(mvh 68.8836)(mzFidelity 92.7468) *note that the mods value is a … |
| | i have been given a project in c++ to write a program on quiz conduction in object oriented programming..... i want some help.. |
 | I am making a shoot function with my game and my dad ( being the geinous programmer that he is ) suggested that i should generate an imaginary line from the gun to whatever it's aiming at and then, if the user clicks then put a bulet hole at what … |
| | My process involves: - Run Make on a c++ file and generate a binary file - Run readelf on binary file generated and dump contents in HEX form into NEW_File *- Import data from generated file into c++ file vector as 8 bit hex words *- other VLSI related sections … |
| | hi all. Please help me .... [B]I want c++ project [/B]. i you got a any c++ project so please send me... .. |
| | Can anybody please tell me how I can make my code an install file? I know how to make the code into an executable, but once I transfer the executable onto another computer (obviously) it doesnt work. |
| | I am having a problem with getting my program to compile. This is a sample of my code but it an error comes up and says " binary '||' : no global operator found which takes type 'std::string' (or there is no acceptable conversion)". Is there anyway around this or … |
| | Below is a code that i have created to seperate a string statement. There are no errors but the code will not display the micron or the idustry statement. what do i need to do so that everything will show [CODE] #include <iostream> #include <string> #include <fstream> #include <cstdio> #include …  |
| | Hi, I am using [icode]setw[/icode] from [icode]#include <iomanip>[/icode] library to format the output and it works just fine... Par exemple. [code] cout<<std::setiosflags ( std::ios_base::right ) << std::setw ( 20 ) << "---------025125222" << std::endl; [/code] However, I wish to format the same output as a STRING. So instead of doing … |
| | hi i have a problem, trying to set a form to open a new window, this is what ive got ... private void newWindowToolStripMenuItem_Click(object sender, EventArgs e) { this.browser.NewWindow(); } any ideas why it isn't working? |
| | i have to make a program in cpp that finds max,min and avg value from a table and the table is to be retrieved from a location.......any ideas how to do it?????? |
| | Hi, I'm working on a shared library with a various of dependency libraries. They are all currently linked dynamically (shared object). I'd like a few of the libraries linked statically TO the main shared object. When I go ahead and try to link these libraries (.a) I get an error … |
| | I am making a server-client application in c++. In this i am also using shared memory & file read-write operations. my program is completely ready & i now wants to make a gui for it. someone suggested me to go for QT4, but when i tried it, i found i … |
| | Hello all, sorry for this being my first post. I have been dealing with this Nqueen program, and I cannot get it to work properly. I feel like I have been just staring at my computer screen for hours and my brain is starting to hurt. After entering n, the … |
| | Help I need to download MinGW Offline Installer |
| | So far, here's my code. It is running after I built it but it runs differently that I typically supposed to play tic tac toe with a partner ( two players only). Where do I go wrong on this code? [icode] //Timing. #include<iostream> using namespace std; int check( char g[3][3], … |
| | Hi, Please advise how to bind std::sort with boost::thread. I'm trying to do: [code=c++] boost::thread_group thg; thg.create_thread(boost::bind(sort<vector<int>::iterator>, mass.begin(), mass.end())); [/code] and get: ThreadSort/main.cpp:40:0 /Users/Maxim/Documents/Projects/SW/C++/ThreadSort/main.cpp:40: error: no matching function for call to 'bind(<unresolved overloaded function type>, __gnu_cxx::__normal_iterator<int*, std::vector<int, std::allocator<int> > >, __gnu_cxx::__normal_iterator<int*, std::vector<int, std::allocator<int> > >)' Please HELP!!! |
| | I am having a terrible time separating this code into a header file and source file. I am running this on cygwin and it keeps giving me error messages I do not know how to solve... any help would be greatly appreciated [code] #include <fstream> #include <vector> #include <string> #include … |
| | This is a newbie question. I am creating a simple one-table Movie tracking program. I have dragged a db table onto the simple form creating a dataGridView. I am using a List box and some Text boxes to enter new data. For the life of me, I cannot get the … |
| | I have to create a word counter function which counts the words of a string. When I run the program, it doesn't end. This is what I have created so far: [code] //-------------Start of Program-------------> #include <iostream> #include <cstdlib> using namespace std; //Function Prototype void stringLength(char *); void reverseString(char *); … |
| | I just started working on a small tool to search for (heavy) text files using Visual C++ with MFC. Because there are a lot of readings, I'm wondering if ifstream of the standard library is better than CFile of MFC? I don't need portability (the program is for Windows Environment), … |
| | what is the best design practice for this situation? ----- Create a class or set of classes in C++ to represent the birds Create an instance of each type of bird and add them all into a single vector Have each bird hop and then fly in turn Don't have … |
| | Hello all, I started learning C++ a few days ago, using visual C++. I'm learning from an old textbook. I'm having some errors come up due to heap corruption. The author of this book defined a class matrix and vector (I won't repost the whole thing as it's quite long, …  |
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