49,761 Topics
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| | I need to take difference between two dates in normal date format like "2012-03-30 17:21:33.027" using time_t..previously i was using unix timestamp so i used data type long int...but i need to know how to compare using time_t... plz help.....  |
| | A program to solve the following problem. You can use C, C++, C#, Java or Haskell to code your solution. **The problem** You have a block of platinum that can be exchanged in your bank either for cash or for smaller blocks of platinum. If you exchange a block of …  |
 | Hello Everyone , I Have Made a Simple C++ Code And I Get Some Errors I Have Been Trying To Solve this For Like 2-3 Days :( I am a Beginner in C++ #include <fstream> #include <iostream> #include <cstdlib> using namespace std; int main() { for char name[100]; int age; …  |
| | Write a C++ program such that its execution will keep asking the user to enter a pair of integers, start and finish, and will terminate when either start>finish, or EOF or an invalid input has been encountered. Every time a new pair of integers start and finish are read, the … |
| | help me please this is a code #include <iostream> #include <string> using namespace std; class Student { private : int StudentID ; string FirstName; string LastName; string CourseName; double FirstExamGrade; double SecondExamGrade; double AssignmentsGrades [5]; double FinalExamGrade ; double Avr_Of_Assignment; double TotalGrade; public : void SetFirstName (string S1); void SetLastName … |
| | 1**. Write a c++ code to copy the contents of one string s1 into another string s2 by using loop where s1 and s2 are two dynamically created pointers.**  |
| | Hello all I have a bunch of aggregate elements within my array. This array is for vertex positions in OpenGL. and I need to make a switch without having to bind more data to OpenGL. To do this I must put an if statement within the array or a booleon … |
| | I'm trying to write a program that asks the users for a set of numbers which the program then sorts and counts the frequency of. I struggling with understanding arrays. I have one array in particluar called frequencyArray that I'm trying to print but it keeps returning the value 0. … |
| | Hi there, I feel really stupid since I'm a beginner at OpenGL with drawing. Is there something that I'm missing in the code? The line doesn't show up on the screen. Thanks! glClearColor(1.0f, 1.0f, 1.0f, 1.0f); glBegin( GL_LINES ); glColor3f( 1.0f, 0.0f, 0.0f ); glVertex3f( 100.0f, 150.0f, 0.0f ); glVertex3f( …  |
 | Hello, I'm trying to split a matrix (512x512) into blocks of (16x16).. Now I have managed to complete this for a small matrix (4x4) but when I try to implement it using the 512x512 it fails and doesn't produce enough blocks for the entire matrix. Here is the code on … |
| | Hey, I'm doing a project and on the last little piece. It involved taking 2 matrices, splitting them into blocks and then checking whether the blocks are simular or not. If the blocks wasn't simular, then swap them /or/ create a new Matrix that holds the values of the second … |
| | Hi there, I'm sorry if this is a vague question, but I've just been assigned to create a color animation project with GLSL, and I've never really used it before. The criteria for the assignment is that the animation should depend on object coordinates, vary over time and should use … |
| | Hello, I would like your opinion on my collision detection & jumping code. Is it efficient enough to be used in a full-blown game? Any ideas on how I could improve the efficiency of the code? Any bugs? Please reply with (constructive) criticism, comments & suggestions. Link: http://dl.dropbox.com/u/56274235/Working%20Collision%20Detection%20%26%20Jump.zip Thank you … |
| | Hello everyone..... The code bellow is a program that output single_sound with every Character printed on the output screen... #include<iostream> #include<string> #include<Windows.h> #include<mmSystem.h> using namespace std; int main() { system("color 0A"); string s="Welcome"; for( int i=0;i<=10;i++) { for ( int j=0; j<s.length(); j++) { for( int k=0; k<1; k++) { … |
| | Hello, I want my program to take input from a file rather than from keyboard and also output it to a file not screen. I tried writing prgram. This is what I wrote in visual studio... 1. #include<iostream> 2. #include<conio.h> 3. #include<stdio.h> 4. using namespace std; 5. void main() 6. … |
| | Hi everyone, im programing an agenda in c++ but im having a little trouble erasing an entry. Sorry the code is long, i was too lazy to use call functions... anyways bear with me. i tried setting the value to NULL on the entry i want to erase but that … |
| | Hello all. I am working with threads at the moment in my program. The thread is simple and looks like this. Thread oThread = gcnew Thread( new ThreadStart( this,&qualifiedlist::ThreadProc ) ); oThread->Start(); I have another simplar thread like this but its more complex. I try to set variables in it … |
 | Recentlt, I need to insert comment in my pf document, but I never try it and finds little information from the intenet, but I found that the PDF has the function of showing the comment and hiding the comemnt, so I try to convert a word document that contains comment …  |
| | #include<iostream> #include<conio.h> using namespace std ; int main (){ string name; cin>>name; cout<<name; cout<<endl; getch(); return 0;} //if u run the prog, and u enter ur first and last name after hitting enter it will show u the first name. My professor asked me to search why this is happening, … |
| | Hello, I'm new here and I could use some help please. Im trying to learn c++ with a book called Programming Principles and Practice Using C++. Im on Chapter 3 now, and so far not having to many problems. But i am stuck on one of the exercises at the … |
| | Recently, I meet a problem that I need to insert header and footer in excel with C#, I use the following code: Worksheet sheet = workbook.Worksheets[0]; sheet.PageSetup.FullHeaderString = "E-iceblue"; sheet.PageSetup.IsPrintHeadings = true; sheet.Visibility = WorksheetVisibility.Visible; sheet.PageSetup.LeftFooter = "everlasting"; But when I launch it, the header and footer do not appear … |
| | So I'm working on an assignment where we have to make a deck of cards using a Card class and a Deck class and when I try and test the constructor by testing the size i get this: Running 1 test*** glibc detected *** runner: free(): invalid pointer: 0x00902ff4 *** … |
| | Is there a way to create a dynamic array without necessarily knowing the size beforehand? I need to specifically use a dynamic array for a homework assignment, and I don't really want to ask the user how large the array should be (in this case, an array of chars i.e. … |
 | I want to find a range of values that a valid pointer cannot achieve, but can store. Basically this is my situation: typedef struct myNumberTAG { //stuff }*myNumberHANDLE; //A bunch of functions that work with myNumberHANDLEs: ///Not Shown //Some constants const myNumberHANDLE numberOne=0x1; const myNumberHANDLE numberTwo=0x2; const myNumberHANDLE numberInfinity=0x3; const … |
| | Hi there, I need to overload istream in this way: it needs to get string, then it has to parse this string and get number - can be longer than long long, and then save this number in another string, which I will give to class method. So far so … |
| | Hey, Ive been working on a program for a while, and once in a while it will crash for an unknown reason. I checked the error log and it says exception 0xc0000005 which means i'm writing somewhere i shouldn't. What are some common causes of this? Also is there anyway …  |
| | Hello, Can anyone help me? I am new to programming. I need to create a program that tracks sales. The store owner wants to keep track of monthly sales. 1. Ask the user for the monthly income of the store (one question per month) keep the numbers input 0-50. Store … |
| | **Hello there! I have been learning c++ for now 6 months and when i started my goal was to use it whit openg or something similliar I made long, long list and its here:** *I learned this stuff from....YOUTUBE! from user called antirtfm and thenewboston and heres the things that … |
| | Hi Everyone, I had written the source code in .C file and compile it without any errors but when i run that program it gives me linker error. i.e. Linker Error : Undefined Symbol _getpid in module filename.c I am using TURBO C++ version 3.0. Pls give me the solution …  |
| | Ok im debugging this program for school and I have 3/4 parts done but im stuck on this part. class Outfit { private: Dress dress; Shoes shoes; double price; public: static const double DISCOUNT; Outfit(string, int, string, string, int, string); void displayOutfit(); }; const double Outfit::DISCOUNT = 0.20; Outfit::Outfit(string m1, … |
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