49,766 Topics
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| | Hi , I try to build mobile application , this application will know the book name you want and tell you price and Customer Reviews evaluation from amzon.com but the problem I can not read web page to get price and Customer Reviews evaluation from it by c++ code , …  |
 | I'm trying to understand something. Best explained through an example. My understanding is that a Class Adapter (lets say written in C++) is for a class written in PHP (hypothetical). C++ - Class A - Adapter PHP - Class B - Adabtee. If I'm trying to access Class B through … |
| | Okay, I want to start off saying that yes this is a homework assignment but no I don't just want the answer for it. I actually want to learn how to work this. Having said that, I was assigned to determine whether a number is a perfect number and print …  |
| | Is there a way to do the following better? Current I write a set of pixels to a file called "PngFile.bmp". Then I read that file back in as a PNG encoded buffer.. Then I save that buffer back to the harddisk and delete "PngFile.bmp" /*std::fstream PngFile(TempPath, std::fstream::out | std::fstream::app … |
| | Hi! I am using concert tech to link Cplex with C++ Coding. There is an error that pop up when I tried to run: error C2676: binary '+=' : 'IloNumVar' does not define this operator or a conversion to a type acceptable to the predefined operator Below is a portion …  |
 | Does anyone know how to do this? I attached a program that collects all the command line arguments into a map container noting how many times each command line argument occurs. Now I want to sort this map of information by loading a vector with iterators that point to each … |
| | Hello. I am trying to run a simple postfix notation code. It builds but doesn't run. Can anyone tell me if it's my code that is stopping it from running? Here is my code: `int main(int argc, char *argv[]){` char *a = argv[1]; int i, div, N = strlen(a); stack<int> … |
| | I am a newbie so please forgive my ignorance. I need help with this program, it is outputting 1s for the functions. I know it's something simple, but like I said I am new and don't know what to do. #include <iostream> #include <cctype> #include <string> #include <iomanip> #include <cmath> … |
| | Here is a second one I am stuck on. This one is working correctly, but I didn't know how to go about doing a function for the output of line 9 so that put me into problem of not being able to figure out how to get line 10 to … |
| | Hello, Please take a look at the below code - #include<iostream> #include<ctime> // for the time() function #include<cstdlib> // for the srand() and rand() functions using namespace std; int compInput; int userInput; int die1 = 0; int die2 = 0; int Dice () { // set the seed srand(time(0)); // … |
| | Good Afternoon, I'm a little difficulty with this little program. The error is argument of type int (*)[5] is not incompatible with parameter of type double. I'm getting this error on swapFour(&a, &b); Here is the whole program code double a =102.39, b=201.59; double c=30.99, d=48.99; double e=55.21, f=95.35; //call … |
 | Hello. I'm doing an exercise whereby I need to test if a word is a palindrome. My code for the function is as follows: #include "test_palindrome.h" using std::string; bool is_it_palindrome(const string s) { bool palindrome = true; for(string::const_iterator iter = s.begin(); iter != s.end(); ++iter) { string::const_reverse_iterator rit = s.rbegin(); … |
| | So I've started learning makefiles today for a project I've been working on. The project uses OpenGL and GDI. I decided to dive right into make files and so far, everything compiles but at the very end, it gives a bunch of undefined references. Thing is, when compiled in codeblocks, … |
 | Just wondering what general thoughts there are regarding the pros and cons of `using namespace NameSpace;` vs `NameSpace::Method` Such as, are there any performance gains with one or the other etc...? |
| | Hi everyone. This regards exercise 5-6 of "Accelerated C++". I am asked to rewrite a function so that instead of using erase() to remove an element (of a failing student), I should copy the elements (of the passing students) to the beginning of the vector and then use resize() to … |
| | I'm an enginnering student, our lecturer has ask us to create an opengl app tat shows the bersenham so far i have derive the algo and the pixels...but i don't know how to draw a line between those pixels.. this is what i have so far void init(void) { glClearColor(1.0, …  |
| | I have an excel spreadsheet with multiple entries for one person.I want to merge the data and create a letter.The problem is each entry comes on a different page.I want to have the multiple entries on one page for that particular person.Please help me! |
| | Can someone tell me why i get the error code "ISO C++ forbids comparison between pointer and integer" for lines 135 and 149 #include <iostream> #include <iomanip> #include <string> using namespace std; //Structure used to store the name, number of the players, and the number of points of each player … |
| | I am attempting to complete the towers of hanoi game using 6 towers and an n amount of rings. I attempted to try moving each ring into a seperate tower and then work each tower one by one using recursion, but I could not get an appropriate output. I have … |
| | *From the Visual C++ Team Blog:* Visual Studio Express 2012 for Windows Desktop is now available for download. http://blogs.msdn.com/b/vcblog/archive/2012/09/12/10348456.aspx Additional details and further discussion here: http://blogs.msdn.com/b/visualstudio/archive/2012/09/12/visual-studio-express-2012-for-windows-desktop-is-here.aspx *ETA: post intended for the News Stories section -- if the Mods could kindly sort that for me?* |
| | I need some project ideas on cryptography/information system securoty for a simple and small project....... |
| | Please take a look at the below code #include <QtCore/QCoreApplication> #include <iostream> int main(int argc, char *argv[]) { using namespace std; double purchaseAmount; double paidAmount; float balance; int change, quarters, dimes, nickels, pennies, tenDollar, fiveDollar; // declare variables cout << "Enter Total purchased amount" << endl; cin >> purchaseAmount; cout …  |
| | Hey! I've recently come back to C++ to tackle another project, but I've run into a problem I can't figure out. #include <iostream> #include <string> #include <fstream> #include <direct.h> using namespace std; int main() { string variable = "AwesomeName"; mkdir ("test"); ofstream write ("test\\" (variable+".txt").c_str() ); // this the place … |
| | An i.t department gives an award to each student who has passed @ least three course with a mark above 69 in third year,there are five courses in third year, write a flowchart and pseudo code that captures the matk for the 5 courses for a student and display all … |
| | My problem goes something like this. I have a variable of 5 arrays a[5] for storing the 5nodes of a network. The network is randomly formed by the random number generator. I have the time of travel for each paths of the network. All the nodes may not be connected … |
| | Hello Everyone. I am having trouble creating new objects in a loop. I am using: DataType *Ptr = new DataType (); I use this in the beggining of the loop then end the loop with: delete Ptr; Each constructor and destructor gets called each time the loop is executed.... but … |
| | How will I arrange 5 numbers in ascending order and determine the highest? what codes will i use or how will i do it? (using dev c++) |
| | Im new 2 c language..which compiler is the best f0r c language?gcc and turbo c  |
| | Here I have the classes Logger and Driver. Driver takes the singleton class of Logger, and logs the same statement 10000 times. I want to use this logger, so that it runs in the background and only logs every so often. This will force the program to not use too … |
| | Please Help me with this Date Operation Program. I think that this works....yet! Thanks #include <iostream.h> #include <conio.h> int a[7]={1,3,5,7,8,10,12}; int b[7]={4,6,9,11}; class manipdate { int date; int month; int year; public: int d,m,y; void getdata() { cout<<"\n\n Date : "; cin>>date; cout<<"\n Month : "; cin>>month; cout<<"\n Year : …  |
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