51,593 Topics
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| | anyone know how what is UInt in C++ mean to VB. I mean how to write in VB.net |
| | Hello Hi when I deploy my project using set up wizard the error show and my deployment set up stopped,Please Help for this Immediately. The Error Is [COLOR="Red"]The following files may have dependencies that cannot be determined automatically, Please confirm that all dependencies have been added to the project C:\windows\system32\wmp.dll …  |
 | Alright , so I spent _forever_ trying to figure this out. So, if any newbies here need to know how to write and read ANY object (with the exclusion of pointers, but I'll get to that), this is something that can help. First and foremost, you have to take endianness …  |
| | I am trying to write an application that will detect all the USB devices connected to my computer. For this I have declared GUID and called the following functions to get the information about devices connected. LPGUID guid; HidD_GetHidGuid(guid); HDEVINFO hDevInfo; hDevInfo = SetupDiGetClassDevs(guid,NULL,NULL,DIGCF_PRESENT | DIGCF_INTERFACEDEVICE); But it give the … |
| | I have written a Borland C++ database program some time ago that has been migrated to a new machine running Windows 7 home premium. Errors are showing up that suggest a problem with the relationships between tables ( related records are being mixed up ). When I check the tables … |
| | Hi, I'm writing a program that checks parens/brackets/braces if they are paired. Tha catch is I have to write my own stack functions, this is my code so far, it used to work when I was working with just the parentheses, now that I added more options it's not working … |
| | I receive this error in a c++ program after moving the program from Mac OS X to windows...I was using XCode, I am now using Visual C++...I looked up the error codfe but don't understand how to apply the solution. Here is the solution as stated by microsoft: A type … |
| | Hy all, i'm trying to make an addon for windows explorer. So here is that i want to do: Create in my computer a virtual hard drive which is actually a connection to a FTP server with a user and a password. User can copy with drag & drop, or … |
| | Hi, I would like to know the significance of lua methods beginning with an underscore.. for example __init().. Thanks !! |
| | I have a pretty basic knowledge of most concepts in C++ save some issues that I have surrounding polymorphism, and I just love the way it feels. But I have my first AS level computing lesson tomorrow, and it will be in Object Pascal. Will this actually be helpful, with … |
| | In the S.D.L tutorial that I'm following, a pointer is declared at the start of the program, of type SDL_Surface, and assigned NULL. This is later assigned to TTF_RenderText_Solid(arguments...). Does this mean that SDL_Surface is the base class from which TTF_RenderText_Solid is derived? - I read something about SDL_Surface being … |
| | I have to write an application which uses the Vigenere cipher with the Italian alphabet (only 21 characters, excluded J,K,W,X,Y). After a day of trying this is the code that I wrote [CODE] #include "vigenere.h" #include <string> using namespace std; Vigenere::Vigenere(string str){ key = str; key = StringToUpper(key); for(int cnt … |
 | Before I get started with this question I would like to point out that this is a small app I am creating to not only learn more C++ coding but also to choose who drives the fifth day in my carpool group for college. I am creating an application in … |
| | I was looking for an easy way to define variables for random monster encounters in my game. I'm not sure how to define some without typing out 1000+ lines of code for like 25 monsters. What I was wondering if there was a way to make a config file, or … |
 | Here is the question: DECIDE YOURSELF The SuperShop have seven sales assistants. They are paid R55.70 per hour and 1.5 times for overtime. Each sales assistant is also paid 2% commission on his or her sales. The manager of SuperShop wants a C++ program to print the weekly payslips for … |
| | Okay, so here's my set of problems: I need a simple error check, so that if the user enters the wrong type of character, he/she will be notified and allowed to re-enter a new value. Secondly, I need some sort of loop that allows the user, after having running the … |
| | Issue with how to properly use push_front and pop_front. I have a class named Account I am suppose to be able to be able to add new accounts and new balances but I can't find the proper documentation on how to do this. I am trying to figure out what … |
| | okay i came up with some code that reads in a file, and on the file are names of shapes and their widths/lengths. after the file is read in, it tokenizes whats in the file, it then calculates what shape it is and then takes the information and calculates the … |
| | Dice Rolling Write a program that simulates the rolling of two dice. The program should use rand to roll the first die and should use rand again to roll the second die. The sum of the two value should then be calculated. [Note: Since each die can show an integer …  |
| | can someone tell me how can i read data from text files line by line and store it on a variable. example: here is my the data in my textfile. example.txt Username: blahblah Password: wewewe my problem is how can i get the blahblah and wewewe and store it in …  |
| | I have a main c++ file with all my integer values, then I have a seperate c++ file with my algorithms for my battle function. May seem like a simple question, but how do I get the values from my main c++ file and use them in the other one … |
| | I'm obviously a noob @ c++. Have a question. is there any way i can restrict user to input only numeric value and make a loop if user enters non-numeric value. for example for conversion from kilo to pound if user enters some garbage like "afshdgafg" in cin. is there … |
| | I am trying to simplify Maven to use one POM to do both a 64 bit build and a 32 bit build. I have tried to separate the build into two separate executions however I am required to set the compilerExecutable tag specified by the maven-native-plugin to point to either … |
| | This is a simple one, but don't know why it won't work. Question VALUE RETURNING FUNCTIONS WITH ONE OR MORE VALUE PARAMETERS The pupils of the Annandale High School have to pay a fee for each extramural activity that they want to partake in. These activities include sport, and other … |
| | I am trying to determine the time complexity (and space complexity if anyone would like to have a go at it) of a sort function i implemented with a custom comparator. it is the sort function from the STL <algorithm>. First off, I am using Visual C++, so I am …  |
| | [CODE]#include <iostream> #include <conio> void main() { int n; cout<<"Enter value of n:"; cin>>n; if(n>=0)&&(n<=10) { { if(n==0) Zfactorial=1; cout<<"/t/tThe value of Zfactorial for n"<<Zfactorial; else(n>0)!!(n<11) for(int n=0;n<11;n--) Zfactorial=Zfactorial*(n); cout<<"/t/tThe value of Zfactorial for n"<<Zfactorial; } else cout<<"Invalid value of n"; continue } getch(); }[/CODE] [B]question[/B] Professor Zoe has come …  |
| | Hello, I have been given an h file. Below is a section of the h file, with the entire h file below it. I am trying to figure out how to invoke the section directly under this message. [CODE]template <class T> ostream& operator << (ostream& os, const List<T>& s) // … |
| | please help me i m having problem for making this program First Part: (Using Structures) Create a structure called Complex for performing arithmetic with complex numbers. Complex numbers have the form realPart + imaginaryPart * i where i = √(-1) Use floating point data to represent members of structure (i.e. … |
| | Hi, I wrote part of a program in visual c++, but I use dev c++ at school, so I tried just copying my code: [CODE]char mainmenu[50]; char game[50]; int strength; int intelligence; int dexterity; int health; int mana; int damage; int defense; int k; int roll; int experience; int levelup; …  |
| | Hello Everyone I Have Been Learning C++ For The Past 1 Year :D , So With This Much Experience Can I Make or Modify A Bootloader in C++ Paradon Me For My Bad English Any Replies Would Be Greatly Appretiated |
 | I have this code: [CODE]#include <iostream> using namespace std; int main() { enum foxtrot {green, yellow, red}; foxtrot colorSelect; cout << red << endl; [COLOR="Red"]cin >> colorSelect;[/COLOR] cout << colorSelect << endl; } [/CODE] Line 10 gives me the result 2 as expected, but line 11 gives me a compile … |
| | Hello, I am not sure why, when I call my method, it goes into a continuous loop and prints out nothing. The operator - method is suppose to be able to subtract a Date object and a Date argument. I will clarify if anything needs clarifying, thanks for the help …  |
 | I having problem of sizeof returning a hexadecimal value which I want it return decimal here is my sample code: [CODE]#include <cstdlib> #include <iostream> #include "stringCascade.h" using namespace std; void StringCascade (void) { unsigned char ucA[] = {0x02, 0x6F, 0x09, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0xFF, 0x00, … |
| | Hello, I am having trouble implementing the load function below. It compiles, but I get garbage in the array and 0's in the vector. The reason I created load() was to clean up main(). Do I need to open data.txt in main and then call a function to load the … |
| | Hello, I am trying to implement a linked list with an h file that was provided to me, which I cannot change. I have created a simple main() to begin, but I am getting an error on line 40 of the h file that says... "template-id 'operator<< <int>' for 'std::ostream& … |
| | I'm trying to code a traversal function for a huffman tree that will generate the code dictionary containing the binary codes for each letter in the tree. Once it hits a leaf node I want to insert the character and a QBitArray into the QMap that I pass in. The … |
| | Hello all... again, I'm trying to write a function that will "simulate" the stack. Here's what I have so far... [code=C++] int i = 0; int arraySize; char * stack[100]; void stackPush(char * pushed) { if(i == 100) { cout << "ERROR: Stack overflow!"; } else { stack[i] = pushed; … |
| | What I want to do is have a predefined battle function, I can code the function, all I need to know how to do is have the function sitting there, so when I call it, all it takes is one or two variables to set up and go. So every … |
| | Hi guys, this is my first week in C++ and was doing some exercises to practice and made a function to calculate primary factors (Still not sure if it works;) Anyway, here is my code : [CODE]#include <iostream> #include <vector> #include <string> using namespace std; int main() { vector<unsigned long …  |
| | When making overloaded template function is there a difference between template<> or template<type>. For example is there a difference between [CODE] template <class T> void dispm(T array) { cout << "called template<class T> void dispm(string array)"; } template<class T> void dispm(string array) { cout << "called template<class T> void dispm(string … |
| | I am trying to delete an element in my vector but my program crashes after each run. The vector is loaded with integers. [CODE] vector<int> vec(30); vec.erase(vec.begin() + 5); [/CODE] Is this the proper way to delete from a vector? |
| | [COLOR="red"]can anybod suggest me links for free ebooks where I can find books on C++ programming in linux. I'll be highly thankful.[/COLOR] |
| | Hi, so the exercise I am supposed to do is : "If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23. Find the sum of all the multiples of 3 … |
| | 1. Write a program that calculates gross wages for employees. The program should ask the user to enter an employee’s ID, hours worked and hourly pay rate. It should then calculate the gross wage for that employee and store it with this employee’s information into another file. The program should … |
 | Question for anyone using KDevelop: Is it possible to have a "workspace" containing multiple projects, like in a MS Visual Studio "solution" (or Code::Blocks or Codelite etc)? |
| | Hello, I'm new to C++ with a fair experience in java. I would like to know the difference between [CODE]Ob o* = new Ob();[/CODE] and [CODE]Ob o = new Ob();[/CODE] I know the first allocates a block of memory and creates a pointer which keeps the address of this block. … |
| | Hello, I am trying to use an OCX control in a console application and I have been doing some reading from the following post [URL="http://www.daniweb.com/software-development/cpp/threads/98162/page1"]http://www.daniweb.com/software-development/cpp/threads/98162/page1[/URL] In the following statement [CODE]HRESULT hr = CoCreateInstance(CLSID_Registration, 0, CLSCTX_ALL, IID__Registration, reinterpret_cast<void**>(&preg));[/CODE] hr has the value Class is not licensed for use. I tried registering … |
| | Ok, I want to read integers from a text file...a large sum of integers. The input is a regular text file, where each line is terminated with an end-of-line character. The file is gonna contain any valid ASCII symbol between 32 and 127. A number of strings ( no negative … |
| | Whats wrong here ? Why the code output prints some extra lines? Input:line number=n. Enter number=num.If line=4 and num=2 , the output will be.... 2 4 8 16 My code is.... [CODE]#include<iostream> #include<conio.h> using namespace std; int main() { int n,num,i,j,s=1,m; cin>>n>>num; for(i=1;i<=n;i++) { m=1; while(s<=j){ m=num*m; s++; } cout<<m; … |
| | Hello My problem is I am calling a method in my main but this method doesn't have any code written in it, and yet I am getting an output of numbers approximately 10 digits long, and a negative value. For example, in my main I have: [CODE]Date d1(9,20,2011); // Date … |
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