51,593 Topics
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| | My code compiles and runs but does not do what I want. It is NOT allowed to change main(). I'm trying to build Base(almost like how i typed), Derived classes and type their member functions. [CODE]//--------------------------------------------------------------------------- #include <vcl.h> #include<iostream> #include<fstream> #include<stdlib.h> #include<conio.h> using namespace std; #include <vcl.h> #pragma hdrstop //--------------------------------------------------------------------------- … |
| | I need to identify, for example, when we hit a text box in a web page, we get a "| " key sign right (Which would blink, until we type) If you don't get what i am saying, go to google and click on the search text box, u would …  |
 | Hi Pals, I am Anes , from Kerala ,India. I am a PHP Programmer Basically but have interest and now studying C++ , I plan to take data from MySql in C++, for that I install mysql-connector-c++-1.1.0-win32.msi in my Windows XP. I got a Script from net , but it … |
| | Hello I was wondering whether is it possible to create a .txt file or check if a .txt file exists inside the folder earlier defined as a path. Basically I have a path : [CODE]#define some_little_file "/User/Joey/Desktop/" [/CODE] and I would like to create and manipulate a txt file there. … |
| | Hi, so I finally got around to looking into OOP in c++ and I have a question about classes. So I made this simple class: [CODE]#include <iostream> using namespace std; class Shape { int xPos, yPos; public: Shape(int x, int y) { xPos=x; yPos=y; } } ; int main() { … |
| | I have to create a database with the data stored in a .txt file. Each record is for a company with the following fields: Name, Place, East(km), North(km). Each record from the file needs to be read into a struct array. I have managed to read the records into a … |
| | Hey guys. First of all, I've only been a CSCI major for a semester (had one course in Java, loved it, and switched from my almost completed math major). With this in mind, I hope you can understand that I'm pretty new to the scene. That said, during the semester …  |
| | I am using VS2008, OS win Vista. I need to create a C++ windows form program to add a .swf flash animation to the form. How is this done. Any sample code, or a good tutorial is appreciated. |
| | In C++, I know that if I need to read something from a file, I can do this: [CODE=c] int x; ifstream ifs("data.txt"); ifs >> x; [/CODE] However, is there a function that simply returns the value of whatever I'm feeding in? For example, if I had this: [CODE=c] bool … |
| | How to change numerical values from scientific notation to normal system (:P) in C++ if i used a float or double variable Cuz i want decimals tthats why i used float but now its giving me the answer of my program in scientific notation ? or is there any way … |
| | Hello guys, Do ++/-- are atomic operations in c++? Thanks  |
| | Question : Please Copy array A into 1st portion of array F .assume float a[11], f[34]; im using compiler Borland 5.02, please tell me hows so far my code is correct? [CODE] #include<iostream> #include<conio> main() { float a[11],f[34]; int i; for (i=0;i<11;i++) { cin>>a[i]; } for (i=0;i<11;i++) { f[i]=a[i]; } … |
| | Hello, Can anyone make sure the two functions are correct? First, this is function should return true if all of the nodes are positive.otherwise, false. [ICODE]bool AllPositive(Node * h); { node* current= head; while (current !=NULL) { if (current < 0) { return false; } else { return true; } … |
| | hey dudes... I need help... To figure out how to design a gui in c++..... . |
| | hey my mam told me that we can run any c and c++ program while booting... He tells me to figure out....... So need ur help...  |
| | Hi everyone! I'm trying to creat a class calling INT, which is equivalent to type int. I think we must creat every operator for this class like: +, -, *, /, %, pow(x,y),... I've never seen how does type int look like? May someone give me a introduction to type … |
| | this code was workin when i used srand function to fill th e array with random numbers and the array was a declared globally.But now the code is not working.I cant find anything wrong in this .Sombody pls help.. [CODE=CPP] #include<iostream.h> int *a,NUM_ITEMS; int main() { void enterdata(); void quicksort(int,int); … |
| | This should be easy. Haven't writen a C++ app in over 10 years. Trying to delve back into it. Will someone be kindley enough to show me a sample Function and Procdure Name the function AnyFunction that returns and integer. Name the procedure AnyProcdure Heres my .h and .cpp [code] … |
| | I have this code here but it doesn't seem to work; int answer1[10]; int answer3[10]; char answer2[11]; char answer4[11]; answer1[i1]= answer2[i2] - '0'; answer3[i3]= answer4[i4] - '0'; answer2 and 4 are numbers except in charactor state. answer1 and 3 doesn't equall to answer2 and 4; Can some one help; |
| | Hi, I tried doing Project Euler #27 today, which asks the following: [QUOTE] Euler published the remarkable quadratic formula: n² + n + 41 It turns out that the formula will produce 40 primes for the consecutive values n = 0 to 39. However, when n = 40, 40^(2) + … |
| | Can any one please assist with code for two objects coming from different direction. Subsequently, collide after intersection. The objects should be moving at 80km/h. And collision should happen shortly 30 minutes after take off |
| | Hi i am new to programming and i decided to go straight to C++ and i am starting to grasp it. so i am trying random codes using my current knolage(Bad spelling) to make them. But i am trying an if else statement using my name and my brothers name. … |
| | Hello! I am learning SDL on lazy foo site! I have a problem with this code what does it mean? what is the "/2" stand for? apply_surface( ( SCREEN_WIDTH - message->w ) / 2, ( SCREEN_HEIGHT - message->h ) / 2, message, screen ); Please help! |
| | I’ve been told to convert a standard C++ program into an object-oriented one, using the principals of polymorphism, encapsulation and inheritance. I would appreciate any help // Purpose // A program to demonstrate the application of a simple digital filter // // Overview // A sequence of data items and … |
| | Hi guys, I have been away from programming for a while and i started back today now that i have some time again. However i have run into a bit of a brick wall. im trying to impliment a queue with a simplified interface for holding messages. What I have … |
| | Well the following code I used to run graphics.h functions in windows xp CODE: int driver,mode; driver=DETECT; mode=DETECT; initgraph(&driver,&mode,"c:\\tc\\bgi"); Without this code functions of graphics.h (circle, line, arc etc.) did not run But in windows 7 this code is not working c++ is showing errors ….Well I am using the … |
| | HI THERE .... CAN any one tell me; how to draw a straight line(639,0) with black color and on white back ground in borland c++ 16bit compiler; i know how to set white back ground but the straight line is a real problem if any one can ans this plz … |
| | Can anyone please help me in making a simple c++ program in turbo c++ 3.0? |
| | can anyone help me pls am using turbo compiler. Write function which will sort string argument in alphabetical order. You may assume that the strings contain only lower case letters, optionally,and no blanks or other non-alphabetic characters. |
| | I am trying to make a card class that has a bunch of functions to make it possible for the AI to judge what cards can be played. The card game I am working on at the moment is Rummy by order of my brother. I made a 3 pointer … |
| | Hello.I'm a begginer in C++. I'm trying to make an algorithm that will shuffle randomly the elements of a matrix[4][3],but i don't know how to start... Can someone help me with the algorithm ? I think is something like this but i'm not sure : [code]bool test=false; int x; x=rand()%4; … |
| | If u type top command in terminal u will get like this.......... For eg. PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 31253 user1 16 0 2112m 2.1g 1764 R 37.0 53.2 0:39.89 firefox 31249 root 16 0 2112m 2.1g 1764 R 15.5 53.2 0:38.29 gtk-gnash … |
| | Hi, this i'm trying to make a loop that would read a list of character (including numbers) that you type in terminated by a period and that would only write the letters and ignore the other characters. How would i do this?? Thats the code ive been doing but there … |
| | Hi everyone, I don't know how to calculate cpu and memory usage information of a process.I know this information is located in /proc/pid/... but where............because i want to display this information in C++ without using "gliptop" library........... Please help me ........even if possible i need "top" command source code in … |
| | what does this statement mean? BYTE *gameBase = 0x4C62FC; [B] *gamebase points to the value 0x4C62FC?[/B] or [B]*gamebase points to an address of 0x4C62FC which is the location of data or another address?[/B] |
 | Hey; I want to be able to use VS2010 and still pass command line arguments to it somehow. When I am building an application that needs to use argv[], I need to compile it and run it from the command line. That is becoming boring sometimes especially when I want … |
 | Hi , I'm an amateur programmer from India. I use code::blocks for my c/c++ programming. I would like to create a simple 16color bitmap file reader in c++ . The hraphics library I use is winbgim . I'm a very beginner in graphics programming. I just know how to set … |
| | I thought about a project idea and I came up with this: 20 questions. I have no clue how to start. I think that a simple knowledge base is necessary, along with a way for it to learn. also, how would it ask questions? it would have to know some … |
| | what is the library used? How do I assign it the value? What are some library functions dealing with them? Thanx- JT |
| | for C++ [CODE=c] #include "stdafx.h"; #include <iostream> using namespace std; int main () { int x; char name; cout << "Please Type in your Full Name: "; cin >> name; cout << "Hello" << name << " , Now please type in your age: "; cin >> x; cout << … |
| | Hello, some of you have have seen me around the site lately picking up some C++ knowledge. I have been reading a book (brief history). I am trying to get involved in dev work for a community I help out. So i took up C++. My assignment has been to … |
| | I have been trying to invoke the default destructor for a class of mine (see below). when I try I get this error: "no match for 'operator~' in '~Card(((const Card&)((const Card*)(& hearts[1]))))'" [CODE] class Card { public: bool inPlayer; bool inDeck; bool inOpp;//in opponets hand. int type; //!< Member variable … |
| | plz write prog. for take a string i/p and print it in small to capital, or capital to small.............. |
| | need someone who know mathematical functions in c++...send me your msn,gmail,icq,skype or else...i will ad u... |
| | [B]The 1998 22nd Annual acm International Collegiate Programming Contest World Finals sponsored by IBM [/B] Problem F [B]Polygon Intersections[/B] Input: poly.in Most drawing or illustration programs have simple tools for creating polygon objects. The better ones can find the regions that are the intersections of two polygons. The picture below … |
 | As a proud memeber of the 10% unemployed and the 45% under-employed, I often find that I have a lot of time on me' hands. Now my dear ol' mom likes to play this game, and she's often at home alone.. so with nothing else to offer this holliday season, … |
| | I am writing an alarm clock program in C++, and it works great for now, but I was wondering is there any way I can have the user select the sound they want to blare once it goes off. If it helps, here is my code, as bloated as it …  |
| | Dear all, i am trying to get my sprite to be dragged around the screen by clicking the mouse, i can get it to attach to the mouse but cannot get it to unattach itself, i coded the if not mouse click then set mouse attach to false but it … |
| | Hey guys, Im a beginner in c++ programming, and i desperatly need some help here. We were given a holiday project in class where we can come up with anything we want as long as its creative. So my friend and I got a wicked idea and we implemented on …  |
| | Hello I have to work with Linkedlist, and sort them from smallest to the largest. So I have made this sorting function. It works but I dont understand why it is not displaying me the items I have inserted after sorting it. I have also looked at the other related …  |
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