51,593 Topics
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| | Just wondering if anyone has used FLTK gui toolkit before? If so what did you think? I'm unsure whether to use that or wxWidgets. Thanks |
 | Hello, I'm having a little trouble with a some code that I'm writing for homework. Basically, I'm taking two files that contain numbers and merging the contents into another file. The files do not have the same amount of numbers in them (one might contain 7 while the other contains … |
| | cant seem to figure out what the error is :( #include<iostream> using namespace std; //prototyping variables void averageCal(double a[]); void productCal (double p[]); void sumCal (double s[]); int main () { double userinputs [5];//storing the user inputs in a array for(int i=0; i<5; i++)//suing a for loop to cycly and …  |
 | Hi, I am trying to read a CAN Stick with a USB interface and I am connected to a sensor module. I have a program which transfer sensor data from the embedded controller to the CAN Stick. There is a program which use an internal queue to transfer data from … |
 | Hello programmers! I am creating a player vs. computer connect four game. It has full interactivity along with error checking for invalid inputs by the player. However, when the main() function is run, the program "stops"/or freezes up after there are five pieces in the connect four board. The game … |
 | I was given a question from my college's e-learning blackboard: > Write a program that will act as a simple calculator. It should ask the user for a floating point number, an operator, and another floating point number. The program should first check the operator is either ‘+’, ‘-‘, or … |
| | hoe do i write a c++ program that takes an integer as input and displays the number as either prime number or not. |
| | Angles are often measured in degrees, minutes, and seconds. There are 360 degrees in a circle, 60 minutes in one degree, and 60 seconds in one minute. Write a program that reads two angular measurements given in degrees, minutes, and seconds, and then calculates and prints their sum. Constants are … |
| | **Bold Text Here**a program hat can convert uppercase characters to lower characters  |
 | hi i need to creat code in c++ to make TCP header and crc in one program in c++ thanx |
 | Question#1Senior salesperson is paid RS.400 a wek, and a junior salesperson is pair RS.275 a week.Write a program that accepts as input a salesperson's status in the character vaiable status is's' or "S" the seniors person's salery should be displayed;if status is 'j' and 'J',the junior person's salery should be … |
| | I got into graphics programming a few days ago. I did some graphics before but very little in Ittlicht (a complete game engine with sound, rendering, network etc...) But I heard about DirectX and how great it is for games and other 2D and 3D graphics. But the API is … |
| | Hi all. I've read allot about streams but I'm wondering if anyone can tell me why cin >> stringstream doesn't work? I'm getting there but my understanding has some floors in it. eg. stringstream Mystr; cin >> Mystr; Thanks so much. |
| | Take the following C structure: typedef struct dataPoint { tick * tickData; struct dataPoint * previousDataPoint; struct dataPoint * nextDataPoint; } dataPoint; Compiling on a 64-bit system with 8-byte words, this structure takes up 24 bytes (3 words) of memory. 24 % 8 = 0 ... so it is word … |
| | Hello, as a project I am working on a player vs. computer game of Connect Four- where the computer has a lot of attitude. My code is below; the comments explain everything. ` // A Player vs. Computer Connect 4 game` #include <iostream> #include <vector> #include <string> #include <cstdlib> #include … |
| | output should look like this * *** ***** ******* ********* ******* ***** *** * and seond one *************** *************** *************** *************** *************** Thank you guys in advance!  |
 | phase(1) create a textual menu of the items in their prices phase(2) acivate your menu so that a user can select one item from the menu and display the selected item on the screen. phase(3) improve upon your program to allow user to order more than one item and the … |
| | I am primeraly a programmer in C++. Recently I started with DirectX11 in C++. The two problems I have is: 1) I get this error when I try to compile my code: 1>------ Build started: Project: t, Configuration: Debug Win32 ------ 1> t.cpp 1>t.obj : error LNK2019: unresolved external symbol … |
 | Hello, I'm new to programming and I have to write a program for a retail store. The problem I'm having is when I repeat my loop, my "total" does not revert back to zero, so it will increment the previous total from the first loop iteration which essentially shows my …  |
| | code is #include <iostream> #include <conio.h> using namespace std; int main() { int count=1; while (count++ <=5) cout<<count*(count-2)<<" "; cout<<endl; } WHat I don't get is how count becomes 3,8,15,24...thanks!  |
 | Hi, Please may I have your help on this one. The error is: 1>------ Build started: Project: DXTB 17, Configuration: Debug Win32 ------ 1> Main.cpp 1> _MyDebug Defined... 1> _Main Defined... 1> _CApplication Defined... 1> _CSpriteManager Defined... 1> _CSprite Defined... 1> __CStats Called... 1> _CStats Defined... 1> _CVector3F Defined... 1> … |
| | First of all sorry for my bad English. I had to use dictionary to write this message. I can't figure out how to write a programme for maintaince of a binary file in c++. It is supposed to contain a menu of functions - output (write down the binary file), … |
| | template<typename T> void Transpose(T** Data, std::size_t Size) { for (int I = 0; I < Size; ++I) { for (int J = 0; J < I; ++J) { std::swap(Data[I][J], Data[J][I]); } } } int main() { int A[4][4] = { {1, 2, 3, 4}, {5, 6, 7, 8}, {9, 10, …  |
| | #include<iostream> #include<fstream> using namespace std; int main() { int n=0; int sum=0; ifstream fin; fin.open("input.txt"); for (int i=0; i<4; i++) { fin >> n; sum=sum+n; } cout << "Sum of given numbers is " << sum << endl; return 0; } in the above code, i want to fetch data … |
 | Ok so in my code im trying to beable to let the user enter the name of a list in main then pass the string to word_list function but my program just keeps saying file failed to open. If you spot any other problems please help me with them ive … |
 | I wanna build a program that allows you to send a mail and advices you when you have new mail. I know that for this I have to kee it running in the background. Would you recommend using C++ for such a purpose? (It's pretty much a mail client for … |
 | i have got a c++ project to work on and the topic is shopping....i have to get something and neww added to it and the whole code is needed.... |
| | http://www.cs.ecu.edu/~rws/c3300/prog1.pdf (for anyone that wants to view exactly whats needed for turn in) Hello! I'm trying to write a c++ program that takes in the lower and upper limits of a bunch of numbers and output the length of the longest hailstone sequence. Posted below is what I have so … |
| | I am making this program for a class and it works fine except for the daily interest rate for the checking account is off. The daily interest for the savings computes perfectly. The monthly interest rate for savings is 6% and for checking 3%. Account.h #ifndef ACCOUNT_H #define ACCOUNT_H #include …  |
 | if there is a warning ***case bypasses initialization of a local variable*** in a C + + program, what is the solution to solve it? please help |
| | please explain this code to me ` main() { int u,i; for (u=1;u<=5;u++) { for (i=1;i<=u;i++) cout<<i<<"\t"; cout<<endl; } } OUTPUT: 1 1 2 1 2 3 1 2 3 4 1 2 3 4 5 explain that how two loops are controlling this output someone explain it step by … |
| | Im having a problem with the following exercise. I have the whole program working, however, the transaction time is not passing to the customer. The only element that this affects is the time that the customer leaves. Anny assistance would be greatly appreciated. Best, Dani Below are the 5 files … |
| | I'm trying to learn, and have run into a little difficulty. Trying to add a class to my program, passing a structure as the parameter to the class, and get "The best overload method match...has some invalid arguments" error message - and I just plain don't understand it! // in … |
| | Don't know why my code crashes when j=317. I thought was the matrix dimensions, so tried some numbers. Nothing particular happened. Every help would be very usefull. #include <stdio.h> #include <math.h> int main(){ int T,i,j,t,c,r[T],Jmax,Z,k; float v[10],R[10],EBNo[10],trapserv[10],a[10],w[10],Pblock[10]; float L[j+1][j],B[T+1][j+1],b[T+1][1000],P[T+1][j+1],q[j+1],qnorm[j+1]; float sigma,mtimi,mtimic,CV; float Nmax,g,W,EIother,C,Nown,No,totofcell,sumq; float Gamma,bita,QA,LA,BA; float x; //Data input// ` … |
 | I have two structures as; struct collapsed { char **seq; int num; }; // set of collapsed examples struct data { collapsed *x; int num; int numblocks; int *blocksizes; float *regmult; float *learnmult; }; And I have one statically defined 'data X;' need to be transmitted into device memory from …  |
| | I need a C++ program which receives two numbers from input (n, x) and calculates the following equation for entered numbers (n, x). 1 + x/1! + x2/2! + · · · + xn/n! |
 | if u have an idea share plz |
 | I'm trying to use std::ofstream to create a file but I'm getting an error. I'm using a string variable instead of a string. example below. std::ofstream Myfile("C:\\testfile.html"); // This works fine //but the below doesn't string mystring = "C:\\testfile.html"; std::ofstream Myfile(mystring); //doesn't work. Not sure why. Any clues? |
 | In my program I need to execute two loops at same time. How can I do that? As windows have multi processing can I too complete two or more processes at same time? Actually I need 3 different timers which will be running simultaneously. |
 | Hi.. d1 = a1*x1 + b1*x2 + c1*x3 d2 = a2*x1 + b2*x2 + c2*x3 d3 = a3*x1 + b3*x2 + c3*x3 Knowing all of a,b,c,d, I have to find x1, x2, x3. As you might noticed, this is high school math. But, how do I write the code to … |
| | Making a command line interpreter for my Operating systems class The following line is giving me a problem if (strcmp(argv[0], "ren") == 0) { return RENAME; } For whatever reason it does not return anything. However if I change "ren" to "darrel" it returns the proper value of RENAME and … |
| | hi ı have an exam can you give some examples about win32 especially main part of programme thnks  |
| | Good Morning, My name is Greg and I am trying to teach myself to write code. But I have a question I wrote a program that compares a range of numbers and tells you the grade. The program works and dose what it is supposed to do but I have … |
 | although, i have read C++ books in my past, but as my placement session is there, i just want to have some books from where i can see everything in shortest and concise possible. classes, polymorphism, inheritnce concepts etc like this . any book which u can tell me ? … |
| | This is going to look like a very basic question to allot of you but for the life of me I can't find how to do this anywhere on the web. Allot of convoluted solutionsn out there. I simply want to save a textfile as a .html file. Having seriouse … |
| | Hi Im a student and just started 3D programming 2 weeks ago. I have this problem: I got a working collision detection against models created in Maya. But: The collision is only inside the model, with the normals on the model pointing out as it should be. If I revers … |
| | Write a function that, when you call it, displays a message how many times it has been called: "I have been called 3 times". write a main program that calls this function at least 10 times.  |
| | How can we implement polymorphism in a C++ program that connected to a MS Database(the program is storing the details of employees of a school) |
| | How come the output of this program is 1413, I expected it to be 1414. (i + 1)->value() should have called R::value(). is n't it? #include<iostream> #include<vector> using namespace std; class Q { public: Q(int n = 0) : m_n(n) { } virtual int value() const { return m_n; } … |
| | Hi guys, i am working on a project the need me to convert a compressed obj file using webgl utf-8 compresor [webgl-loader](https://code.google.com/p/webgl-loader/) back to it acsii version. I will like someone to point me in the rigth direction. i am comfused as to how to do the decompression |
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