51,593 Topics
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| | Hi, I'm not sure if this is right forum to ask, please don't kill me if it isn't. I'm using Visual Studio C++ Express 2010. I found that different setting in project properties can lead to big difference in performance of application. My app was running at 140 FPS, I …  |
 | Hi, The was my application works is that my C++ .exe will create a .bat file, which will then in turn run the .bat file. [CODE]ofstream myfile ("tmp.bat"); if (myfile.is_open()) { myfile << "keytool –import –alias exe –file cert.cer –key example\n"; myfile.close(); system("tmp"); [/CODE] The batch file is created, however … |
| | For an assignment, I am writing a program in c++ that prompts the user for the day of the month, the weekday (numerically), the month, and the year. Then, based on that, I've got to have it output a calendar that is similar to the Unix 'cal' command. I've got … |
| | I am trying to write a class which holds either a pointer to an object of class A(base) or class B(derived) depending on conditions at run time. The base class and derived class: [CODE] class A { protected: int x; }; class B : public A { public: int y, …  |
| | Is it possible to find the offset value similar to offsetof() function when i know only the structure name and the address of the member of structure. For ex in offsetof , the structure name and the member name is given to find the offset. Similarly is it possible to … |
| | This is my first post! I can’t figure out how to modify/cast the return address obtained from the Windows Api function GetProcAddress() without using a typedef. I’m aware that using a typedef is the standard way to do this, but one should be able to do it without a typedef, … |
| | i have a code that uploads a file to ftp. i want it to add an exception in firewall when it executes so that the firewall doesnot request the user for permissions. i know how to add a registry entry but i dont know how to add a firewall exception … |
| | Hello, I create a delayer for something but it dont work right, that i want is 1, Load Form 2, Draw a text in TabPage 3, Show a text in tabpage for 5 seconds 4, when delay end then add WebBrowser Control to TabPage PS: I forgot notice, when use …  |
| | the aim of this program is to create a record of 20 members inputted by the user st the phone number is stored in 3 different parts e.g. 011-234-7891 where 011 is area code 234 is exchange and 7891 is numbr...every record must have a member id and member name … |
| | I dont know how i did it before, but i dont quite remember how to get started on a win 32 console program for Microsoft Visual 2010 ultimate edition. could someone give a basic idea of where to start for a blank template? I did: New project, Win 32 console … |
| | i've never knew how to use command line arguments since the first source code i used to edit(and from i learned basics of c++) was using a config file to 'read' user input data on program startup and not command line arguments. now my question, what's the difference between using … |
 | Hi everyone, I'm new here and I have been reading some books for a while on C++ software Development. I have a good idea of what I wan't to program at the present point in time, so I thought I would post a road map of what I'm going to … |
| | [CODE]#include <fstream> #include <iomanip> #include <string> using namespace std; const double PI = 3.1416; int main() { ifstream inFile; string fname, lname; int age, beginningBalance; double length, width, radius, interestRate; char ch1; inFile.open("inData.txt"); inFile >> length >> width >> radius >> fname >> lname >> age >> beginningBalance >> interestRate … |
| | Hello everyone. I am having an issue with flash style connection So I start off by connecting to port 843 and requesting a <policy-file-request/> The server sends me this: <cross-domain-policy> <site-control permitted-cross-domain-policies="master-… /> <allow-access-from domain="*website.com" secure="false" /> <allow-access-from domain="*website.com" to-ports="443-49151"/> </cross-domain-policy> Since it is non secure, I try to connect …  |
| | Hello all, As part of a homework assignment, we're to take [URL="http://stroustrup.com/Programming/calculator08buggy.cpp"]a given buggy calculator[/URL] and correct the errors. Once that's done, the assignment is to add the sqrt() and pow() functions to said calculator. This is from Stroustrup's Programming, Principles and Practices using C++. I've been working on the … |
| | hi.. I'm a new user and I hope you be my new friends.. I have homework to do tic tac toe game allwo 2 player or one player with computer I did this program but I don't study any thing about GUI in C++ and it is order from me … |
 | Is it possible to use [URL="http://msdn.microsoft.com/en-us/library/45yd4tzz%28v=VS.80%29.aspx"]__asm blocks[/URL] with Code::Blocks IDE? And if so how?? |
| | [QUOTE]Write a program that uses a class named Rectangle. The class has floating point attributes length and width. It has member functions that calculate the perimeter and the area of the rectangle. It also has set and get functions for both length and width, The set functions verify that length … |
| | I have not done development work for many years now but I decided to download the new (and free!) Visual Studio 2010 Express C#. I'm enjoying this, but for the life of me I cannot figure out how to data bind controls. Here is my setup: I have a SQL … |
 | Hello, I have wrote a OO program and I have been able to compile ok when using Dev cpp however, I have moved to mac and now compiling through the terminal. For classes I use a main.cpp (the main script), Numbers.h (The header file for the class) and Numbers.cpp (all … |
| | Hi all, I need a setup involving a client or front-end program that sends some tasks to a back-end process for processing and collects results for output. I know this involves socket programming, but one issue here is that the front-end is a windows program and the back-end is a … |
| | Okay, first off, I know my code is atrocious. I am not a c++ programmer, but my OpenGL course requires it. My lack of c++ knowledge is most probably my biggest problem here. I am simply looking for quick fixes to my ignorant mistakes. I just need the algorithm to … |
 | I'm trying to create my own linked list for handling bullets in my game. When the bullet has gone too far I want it to be removed but as soon as this is happening (when the bullet has travelled 11 steps) the game crashes. These are the functions used when … |
| | Now, I know the first thing I am going to be told is that I should add a balance function to my binary tree, well I have asked the group member who created our tree to do it, but he hasn't got back to me yet. So rather than wait … |
| | Watz wrong with this avl tree deletion code ?? Some nodes are getting deleted.. But then for other nodes the program stops working and terminates abruptly as such.. Getting some error report.. Cud someone help me out ?? Here is my c++ code for avl deletion.. [CODE]void remove(const comparable & … |
| | This is supposed to generate a password, but It is not displaying the way it is supposed to display, can someone please look at my code and let me know why it is not printing out Enter 5 character string: hapPy Password is: jAaRY Press any key to continue_ This … |
| | can someone help...here's the assignment and what i have thusfar...I'm confused with adding the addtl constructor. [CODE]//Create a class called Fraction with the following member variables and methods: //" Variables //1. numerator and denominator (Integer) // Methods //1. Accessor methods for member variables (could be inline functions) //2. Mutator methods …  |
| | Hey, I am only leraning c++ at the moment so sorry if this sounds a stupid question or if the answer is really obvious but anyway... [U]How do you have a variable name itself?[/U] What I want the program to do is to take the input from the user and … |
| | Can't seem to figure this out. [CODE] string *array; void addNodes(string names[]) { array = names; //how many elements in the array??? } [/CODE] |
| | Hi all, I am new in c++ programming and I would like to learn what is the difference between class cuboid : public shape1, private shape2 with class cuboid : public shape1, public shape2 Thanks a lot |
| | I want to make a program that asks to enter number. The program will keep asking for entering number until the user enters -99. And when the program finishes, it will give the number of counts, max, 2nd max, min, and 2nd min. The program I made works for all … |
| | ok i having a little trouble adding a string to the new vector that i created i was wondering if i need this line [CODE]vector<string>* row = new vector<string>;[/CODE] and if i do i need to keep calling or is there a much better what to create a new row … |
| | [CODE]int m, n, pow; cout << "Enter m and n: "; cin >> m >> n; pow = 1; for (int i=1; i<=n; i++) pow = pow * m; cout << m << "^" << n << " = " << pow << endl; return 0; }[/CODE] I dont get …  |
| | Hey Guys, I'm working on a C++ program for school. Basically the Program inputs a file of points and outputs an svg file that contains the Graph with the least number of edges. We need to implement this with the Kruskal and Prim algorithm, and the algorithm needs to be … |
| | I am learning concurrency programming, I try my best yet can't solve the problem [CODE] boost::mutex mut; std::vector<int> int_vector; boost::condition_variable int_cond; void data_preparation_thread() { while(int_vector.size() != 10) { std::cout<<"data preparation thread :: vector size = "<<int_vector.size()<<std::endl; boost::lock_guard<boost::mutex> lk(mut); int_vector.push_back(4); int_cond.notify_one(); } } void data_processing_thread() { while(1) { std::cout<<"front :: data … |
| | Hello everyone! I've made the mistake of not asking my teacher for help when I had the time. Now I'm stuck and lost. I didn't do this because I felt I should be able to figure this out myself since this is my major. So, I'm giving up and needing …  |
| | i have an existing database and i want to attach that database one time to sql server and when thee database is attached then it open that database  |
| | In this course we are going to develop software for “School System” that will computerize all the necessary school processes. This software will facilitate the school management in running and managing the school. We will mainly focus on these aspects, 1. Teacher and Student Record Keeping 2. Student Grading 3. … |
| | BOOL is basically pretty intuitive.. my question: [CODE]#include "stdafx.h" #include <iostream> using namespace std; int _tmain(int argc, _TCHAR* argv[]) { double cost, finalPrice; bool type; type=true; //taxable cout << "Enter price: "; cin >> cost; if (type) finalPrice = cost*1.07 ; else finalPrice = cost; cout << "Final price: " … |
 | How do you grow a circular array? I have a front, I have a back, I have a current_size, I have a maximum_size, and of course I have the array. So, how do you grow a circular array? Thank you kindly! |
| | OK, so I want to create a function getStrRegion(commented out at the bottom) to pass a str value N, S, E, W, C back to the main function so I can then drop it and regionSelect back into getNumAccidents. I'm not exactly sure how to pass a string of characters … |
| | I am running into an issue trying to get the program to read in my data correctly. The program is supposed to take a data file and read in names, if the string is preceeded by "surname" or "lastname" then the string lastname is set to the next string, if …  |
| | I'm searching for a good tutorial about object oriented analysis and design but can't find any short and clear tutorial which will has: 1. Explanation of oo concepts (very short) 2. CODE EXAMPLE (eg. if someone describe aggregation I wanna see how I can use this in my class) There … |
| | [I]Negotiating a consumer loan is not always straightforward. One form of loan is the discount installment loan, which works as follows. Suppose a loan has a face value of $1,000, the interest rate is 15%, and the duration is 18 months. The interest is computed by multiplying the face value … |
| | Hey just a quick question with list <Object*> object; when i put an object in the container i use object.push_front(new thing(param1,param2,param3,param4,param5)); because i have used new how do i go about deleting this certain object in the list i figured somthing like this [CODE] while(p != object.end()) { if((*p)->exists(param)) { … |
| | was just wondering if anyone can help me with some homework. I have been trying to figure this out for a couple hours now. I am sure it is probably simple but I can't get it to run. What I have to do is take user input that contains the … |
 | Basically the time old question of who would win. Just decided to put a very geeky twist to it. Just looking to see if people think C++ is better/worse then C :icon_lol:  |
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| | plz explain these function. how can w divide a number by 3 using only atoi function. |
| | Can anyone help me how to blink my introduction for my program? seriously i have no idea how to do it :( THANKS ! ;) here's my introduction: [CODE]cout <<" \n \t\t***WELCOME TO THE ALLOY INQUIRY PROGRAM!*** " <<endl;[/CODE]  |
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