49,765 Topics
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| | I have a project with a bunch of different options that you can turn on and off sprinkled throughout many files. You comment and uncomment the options you want, much like the php.ini file in PHP file, though this is actual code. It looks something like this: [code] //#ifndef _OPTION_1 … |
| | when i compile program then error are show in program that #include<iostream.h> or #include<conio.h> are not find. i also changed my directory that c:\tc\include or c:\tc\bin also but program not run error show that unable to with file include iostream plz tell solution of this. |
| | salaam,hope u will be fine,can anyone help me how to do coding for a scientif calculator which perform only the following function.Addition,Subtraction,Multiplication,Division and calculte different values for cos,sin and tan. |
| | Dear all, Maysomeone help me with this functions? I have entries in my classes and I need to initialize entries into other classes. To be more specific: I have Customers and Flights and I need to use this fuction to insert customers to random destinations. |
| | Writing a program that reads a string of arithmetic expression from the keyboard and evaluates the arithmetic operation in the string. Some example runs are given below. program should accept only * any real or integer numbers * four basic arithmetic operators, +, -, *, / * paranthesis ( , …  |
 | Hey, I'm trying to compile a simple producer-consumer program with Qt, using QThreads. I get this error message when trying to compile: [CODE] In file included from /usr/include/qt4/QtCore/QThread:1, from producer.h:4, from mainwindow.cpp:3: /usr/include/qt4/QtCore/qobject.h: In copy constructor ‘QThread::QThread(const QThread&)’: /usr/include/qt4/QtCore/qobject.h:309: error: ‘QObject::QObject(const QObject&)’ is private /usr/include/qt4/QtCore/qthread.h:60: error: within this context In … |
| | I'm making a dialog based text editor, using dev-c++. how can I insert text at the current cursor position? as in get the location of the cursor (not the mouse) and insert text at that point in the edittext control |
| | My question is when user enter any key from the keyboard including arrow keys, it should print one asterisk * , when user will again press any key it will add one more asterisk and ,and when user again press any key from keyboard it should add one more asterisk, … |
| | Hi. I want to read a file and scan the file to see if the file contains 0x000001 (24 bits, 23 zero and 1 one bit). if file contains 0x000001, return a "yes", else return a "no". I tried writing the program but cannot work. I am stuck with this … |
| | 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 … |
| | 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() { … |
| | 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! |
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