49,760 Topics
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| | Hey there. Just beginning to learn c++ on my own(not easy). Please fogive my lack of knowledge. I have a list of large numbers(50 digits) that i copied. I want to split them into an integer array of size [100][50]. I dont want to have to go through and put … |
| | Hello, I'm trying to create a program to calculate the factorial of variable int input. I am using xcode, and it's giving me an error saying "factorial was not declared in this scope" on the line within the else statement. I have found other programs on the internet, but I … |
 | Hey guys I have come up with a solution for the problem I have but I would like to know how I could do this the way I initially had it set up but without the leak of course. vec3f.h [CODE]class vec3f { public: GLfloat _x, _y, _z; vec3f(){}; vec3f( …  |
 | [CODE]Memory of a variable or object automatically terminated of finish at the end of program than why we use destructor?[/CODE]  |
| | When reading out of a textbook, is it good practice to write your code while looking at examples in the book? Is there any tips or advice someone can give when it comes to learning C++ from a book? |
 | I give up hehe. been looking over the form and the internet and couldnt find anything that worked. what i want to do is simple. i have made a program that uses a MDI form (basicly a shell form that opens forms in it). and in the menu bar it … |
 | I posted a while back about how to overload << It seems all the examples online have the second argument as const, ie [code] ostream & operator << (ostream &output, const Point &p); [/code] but if I have a member function that simply returns a double [code] double Point::getX() { … |
| | hellow; im working on visual studio c++ express ediion 2010 when i chose a win32 project i can include any dll as wont and it's work without a problem but when i chose clr application windows form and i include for exempl sql.h i had this error pleas help me … |
| | Hey, this might be a stupid question, but I just looked into the code of one thing which I can't tell what it is, but you get the idea here: [code] static ChatCommand unbanCommandTable[] = { { "ip", 'm', &ChatHandler::HandleIPUnBanCommand, "Deletes an address from the IP ban table: <address>", NULL, … |
| | im using dev c++ my problem is how to create a notepad when i run the program.. ex. i input a name.. and then it will create a notepad in my document and the name of the .txt file is the name what i input. thx in advance. |
| | hello help me...i need to create a parse tree with this source code: #include <iostream.h> int main() { int x,y; double ave; cout<<"Enter first number"; cin>>x; cout<<"Enter second number"; cin>>y; ave=(x+y)/2; cout<<"The average is"<<ave; return 0; } |
| | I think that I misunderstood something about class definitions in c++... Why it is legal to define class in multiple files, like this: file Test.cpp: [CODE]#include <iostream> using namespace std; void testFunc(); class A { public: void printText(); } clA; void A::printText() { cout << "file: Test.cpp, class: A, method: … |
| | I am trying to make a dll but I am coming up with the following error: \Debug\VideoCapture2.dll.intermediate.manifest : general error c1010070: Failed to load and parse the manifest. The system cannot find the file specified. I set up my project according to [URL="http://msdn.microsoft.com/en-us/library/ms235636(VS.80).aspx"]msdn[/URL] using visual studio 2008. I looked for … |
| | I'm trying to write a blackjack game, but I ran into a problem with random integers. I'm to the point where the player has there original number, and they've chosen to hit. I need help figuring out how to make random_integer keep it's value, but then add another random integer … |
| | Hey, is there a way to recognize the click on the "Show Desktop" button? Can be in C#, too. Thanks :D |
| | I am fairly new to c++ and have been working on this problem and asked the professor for help, but he has really been non-compliant. I am lost on this and keep gettin error messages that I do not understand how to fix. Any help that could be given would … |
| | Hi I am having trouble with this program, because if the user inputs a multiple word answer for the second question, it will only display the first word of the given answer. And I tried using getline(cin, answer) instead, but that just did not even ask me for an answer … |
| | PLS HELP ME TO CODE THE MAGNETIC FIELD AT A POINT FROM A CIRCULAR CURRENT LOOP BY BIOT-SAVART LAW.PLS HELP NEED TO SUBMIT COMPUTER PROJECT WILL DUE TOMMORROW PLSSSSS HERE IS CODE BY MY OWN WAY #include <iostream> #include <conio.h> #include <stdlib.h> #define M 4*3.14*10^-7 main() { float B,N,I,R; cout<<"Enter … |
| | Hello everyone. I have seen in quite a few programs, a menu that is actually scrollable. Not a scroll-bar (that can be implemented on a window via the WS_HSCROLL|ES_AUTOHSCROLL flags) but a scroller menu. The menu I am reffering to is often seen inside of windows folders, where the menu … |
| | [code] #include <iostream> using namespace std; using std::cerr; using std::cout; using std::endl; #include <sstream> #include <string> #include <fstream> using std::ifstream; #include <cstdlib> // for exit function // This program reads values from the file '1.txt' // and echoes them to the display until a negative value // is read. int …  |
| | Hello World! I'm new in the forum and I don't have too much experience with C++, I'm looking for help with my code, I hope you could help me :) I have to read from a file.txt different collumns, each of them corresponds to a parameter and store them in … |
| | I'm doing a Win32 video application and I've started with the SimplePlay sample of last Windows SDK v7.0. When I want to release the video and display a picture through an WM_KEYDOWN event the last video frame remains until an WM_SIZE or an WM_MOVE event is received. Namely, I have … |
| | Here is a very simple code demonstrating how 'protected' is used [CODE]# include <iostream> using namespace std; class A { protected : int a; }; class B : public A { public : void f_1() // * { a = 10; cout << a; } }; int main() { B …  |
| | Hi, I’ve 3 classes : A, B and C. The class A includes an object from the class B and another object from the class C. In my class B, I’ve a function that returns a vector of struct. This function is called in the class A and after that … |
| | Hi, I have the following code which compiles absolutely fine.. [CODE] using namespace std; #include<iostream> #include<stdio.h> #include<conio.h> struct node { int data; struct node *link; }; void add(struct node **,int); void display(struct node*); int count(struct node *); int main(void) { struct node *p; p=NULL; add(&p,5); add(&p,1); add(&p,6); add(&p,4); add(&p,7); display(p); …  |
| | I have seen in a couple of places that strstream objects are deprecated, but there are also stringstream objects. My compiler has 2 headers <strstream> and <sstream> and I don't know which is which. In light of this, which header should I use to produce more modern code? I suspect … |
| | [code] #include <iostream> using namespace std; using std::cerr; using std::cout; using std::endl; #include <sstream> #include <string> #include <fstream> using std::ifstream; #include <cstdlib> int main() { ifstream indata; // indata is like cin char num; int sar,ri,sat,ha; sar=0;ri=0;sat=0;ha=0; char s[]=".txt"; for(int some_int=1;some_int<=3;some_int++){ ostringstream buffer; buffer <<some_int; string s1 =buffer.str(); s1+=s; indata.open(s1.c_str()); … |
 | Hello! I've been learning how to code C++, but entirely Console apps! Can you tell me how I can convert Console apps into GUI apps? [Only using libraries built into Dev-C++ {yes, I know it's a pain!}] Thanks in advance, Panarchy |
| | using namespace std; int main() { vector<double> row(3, 0); vector<vector<double> > table(3, row); printVectorOfVector(table); Fill in a 2 dimension 3x3 array with odd numbers. The display shows the array as it is being filled. Use random integers to fill the array. Use numbers between 1 and 10. Initialize array to … |
| | So, due to my last question, [url]http://www.daniweb.com/forums/thread303487.html[/url], I am becoming acquainted with the vector template. However, I clearly am not using the commands correctly. Below is a section of code which, eventually, leads to a segmentation fault later in the program. First an introduction of the variables: [CODE] using namespace … |
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