51,593 Topics
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| | Hi everyone, Can You please help me with the [B]Round-Robin scheduler [/B] [B]algorithm (C language)[/B] My program will use as a Datastructure a doubly linked list to hold processes( I will represent my process as: Id(char*), Priority(int) ( a process with priority n will have n CPU time slots) and …  |
| | In my SQL Users table each user has a unique ID and a unique Alias. I need to randomly pull Aliases from my User table and match them with a different users User ID in another table, the Activities table. The end result would be a random pairing of team … |
| | any idea what i am doing wrong? [quote] Error 3 error LNK2001: unresolved external symbol "private: static float SavingsAccount::annualInterestRate" (?annualInterestRate@SavingsAccount@@0MA) Savings.obj [/quote] SavingsAccount.h [code] #ifndef SAVINGSACCOUNT1_H #define SAVINGSACCOUNT1_H using namespace std; class SavingsAccount { private: static float annualInterestRate; float savingsBalance; public: SavingsAccount() { annualInterestRate = 0.03; savingsBalance= 2000; } float …  |
| | Just wondering if anybody here has any experience of writing programs in C or C++ to use and manipulate the Master File Table, to restore previously deleted files?..... |
| | [COLOR=#000000]Need help creating this to these instructions, mainly with the part where I call an existing files that has already been created and saved in Notepad as attached.(File one and File two). Below are the directions and some code. I think you will be able to tell what I’m trying … |
| | hi, can someone help me with writing down a recursive algorithm for traversing a binary tree in reverse-postorder that also returns the rank of each node? So far i have (and i know thatit isnt much but this problem giving me issues). [code] postorder: save current posistion if(lchild) move to …  |
| | Hi everyone. Iam a beginning C++ student having trouble with a simple one column char. aray. what I'm trying to do is : display the value of the seventh element of chaacter array f. Wich shoud b 6 if a=0. Please help. Below is my code, so far: [[COLOR=#0000ff] #include[/COLOR][COLOR=#000000] … |
| | This is a simple Rectangle calculator that uses classes. Ok, so I keep getting errors like. [quote] Error 1 error C2660: 'rectangle::getLength' : function does not take 0 arguments Error 2 error C2660: 'rectangle::getWidth' : function does not take 0 arguments Error 3 error C2660: 'rectangle::getLength' : function does not … |
| | Hi everyone, I have a simple setback in my program. I'm not the best way to go about doing this. I'm trying to do it in the simplest way possible. I have an input file that looks like this 2.5 600 -2 10 20 30 I want to sort each …  |
| | Been working on this project for last 2 nights. Cant get rid of this error message on my [B]last method PAIR::area() [/B]. It's defined at the bottom of my program. Everything else compiles... builds... executes just fine. Rusty on the basics and trying to figure out methods.... here is my … |
| | I want to call a TCL script from a C++ code. Can anyone give me the suggestion to achieve so! |
| | Hi friends, I have a program written in c++. This program is working 100% but it accepts only keyinput and displays output on the screen. I want to modify this program such taht it takes the input from infile (input.txt) and send the output to (output.txt). Please help me to … |
| | Hi can anny one help me out optimizing the follwing issue: [COLOR=navy][COLOR=navy]A C++ class has the following member:[/COLOR][/COLOR] [COLOR=navy][COLOR=navy] int status_[75];[/COLOR][/COLOR] [COLOR=navy][COLOR=navy]During performance analysis it was found out[/COLOR][/COLOR] [COLOR=navy][COLOR=navy]that the class (its object) was performing unsatisfactorily[/COLOR][/COLOR] [COLOR=navy][COLOR=navy]making it a necessary candidate for optimization.[/COLOR][/COLOR] [COLOR=navy][COLOR=navy]The following additional information was also found …  |
| | [COLOR=#0000ff]#include[/COLOR][COLOR=#000000] <iostream>[/COLOR] [COLOR=#0000ff]#include[/COLOR][COLOR=#000000]<iomanip>[/COLOR] [COLOR=#0000ff]#include[/COLOR][COLOR=#000000] <cmath>[/COLOR] [COLOR=#0000ff]using[/COLOR][COLOR=#0000ff]namespace[/COLOR][COLOR=#000000] std;[/COLOR] [COLOR=#0000ff]int[/COLOR][COLOR=#000000] main()[/COLOR] { [COLOR=#0000ff]char[/COLOR] choice; [COLOR=#0000ff]const[/COLOR] [COLOR=#0000ff]int[/COLOR] arraysize=20; [COLOR=#0000ff]int[/COLOR] num[arraysize]; [COLOR=#0000ff]do [/COLOR]{ cout<<"I will give you the Sum,Mean,Var & the Std Dev of any series of numbers?Y/N:"<<endl; cin>>choice; [COLOR=#0000ff]if[/COLOR](choice =='Y'||choice =='y') { cout<<"How many numbers will you enter? (up to 20)?"; cin>>num[arraysize]; [COLOR=#0000ff]for[/COLOR] …  |
| | Hi I would like to know how could we communicate between VC++ and TCL. I've tried it using SWIG. that was call for C++ function by TCL. Can a C++ give a call to TCL module. What is the ICE? Is it related to C++ and TCL communication somehow? |
| | hi, In recently, I have a mission for porting a source code from Pro*C. And the database is changed from Oracle to Mysql. The part of original source code(Pro*C) is shown below: char i_id_no[13+1]; char accn_name[16+1], account[7+1], b_no[20+1], code_type[1]; int ii; : : EXEC SQL DECLARE cursor_1 CURSOR FOR SELECT … |
| | Hi is there anyone willing enough to help me solve my problem. I'm using both Dev C++ 5 in windows and g++ in Linux to compile this code but was unable to do it successfully. Can any one help mi pliz [code] #include <cstdlib> #include <iostream> using namespace std; // … |
| | Hi, Appreciate any help. My code compiles... builds.... executes just fine. Only problem I'm having is... I cant figure out how to get PAIR::big() to simply print out the larger #. When I execute... it displays... the Larger # like I want... but then for some reason it displays the … |
| | I have #include<iomanip> header also and it's still not working.I am getting 2 dec places but it's .00 Why is that?Please help. here is the code cout << showpoint << fixed << setprecision (2); cout<<"The Mean is "<<mean<<endl; also this code is not working ,when I use the [ ] … |
 | [code] cin.ignore(); cout << "Enter lecture notes/tutorials location.\n"; cout << "e.g C:/Lecture Notes/lecture01.ppt"; cout << ">>>"; getline(cin,lectut_loca); cout << "Enter lecture notes/tutorials name: "; cout << "e.g lecture01.ppt"; cout << ">>>"; getline(cin,lectut_name); string copy = "copy"; copier = copy + " " + lectut_loca + " " + lectut_name; const … |
| | I'm completely new to C++, and my teacher gave us a card game to do for our first assignment. The card game has to deal a hand of five cards and determine whether or not it contains a flush, a pair, a straight, three of a kind, or four of … |
| | hi I have a Borland C++ 5.5 command compiler. I needed to plot a graph using a C++ program. However, I discovered that there were'nt any graphics library (pls correct me if I'am wrong). So I copied graphics.h and BGI files from a Turbo C++ compiler. But I can't still … |
| | Hi, I'm trying to write a program that computes interest and check fees and then prints a new calculated balance. So far it works okay, but seems like I have a lot of unnecessary work. Can someone help me simplify it down plz? ps: The premium acct has no check … |
| | I am trying to grab an input file and outfile file from the user. I can grab the input file no problem, but Dev C++ just steps right over the following line... [code] cin.get(ofname, 150); //grab filename from user[/code] Here is some more of the code. Does anyone have any … |
| | I'm trying to use input from a text edit box to delete a file. The input from the textbox will be the file location and the delete button will use DeleteFile() to delete the file. [img]http://img436.imageshack.us/img436/5578/deleteboxvn0.png[/img] Do you know what I mean? |
| | Hi All: I have downloaded C++ 2005 Express from Microsoft. I then run a date + time program, the compiler says the functions I am using are deprecated, and I should use localtime_s. So You go to Microsoft, search for localtime_s. You throw the example code into your compiler. Bingo … |
| | I created a random number game where the user tries to guess the number using a while statement with three ifs in it for high low and correct number. but after the user guesses the the number it ends the while and the program. How can I make it so … |
| | Hi I'm using visual c++ express since yesterday and I have an error that visual c++ 6.0 didn't detect :p I think it can be some program configuration... :o [CODE] 1>------ Rebuild All started: Project: IUCUNN, Configuration: Debug Win32 ------ 1>Deleting intermediate and output files for project 'IUCUNN', configuration 'Debug|Win32' …  |
| | Can anyone help me w/ this....help me make a program of pascal triangle |
 | I'm trying to make a simple game using the Windows GDI, so I'm developing some C++ classes to take care of window class registration, window creation, painting and other common tasks. So far I've finished the OBJECT class (which will be the base object from which the other classes such … |
| | I am completing my degree in Multimedia and Software Developement. The two languages that are being focused on are VB.net and Java. When I finish my degree, I will have not had a class in C++. Is C++ not used very much any more? I was just kind of curious. |
| | Its a common problem but i've never had it before. source compiles fine. but get linker error when i build. tryed with Dev C++ and VC 6.0 same problem with both compilers. [Linker error] undefined reference to `CQTMovieFile::CQTMovieFile()' all libs and files are added any thoughts anyone. |
| | i'm very much a newbie, so pardon me if i am breaking programmer ettiquette, but could someone debug this, please? i could use a lift after 8+ hours workin on this... this is player.h [CODE]#ifndef PLAYER_H #define PLAYER_H using namespace std; class player { private: char* name; int bankroll = … |
| | hello.. help me solve this :cheesy: when a new car or motorcycle created, the system should create a folder with the name of the car or motorcycle. the hierarchy should be like this: Vehicle(main exe folder) +Car -Porsche -Ferrari +Motorcycle -Suzuki -Honda new vehicle info's folder shoud be create as …  |
 | Hello, I just downloaded express C++ 2005 ed. and I can't get even a simple code snippets to compile. this is just a loop, the compiler does not compiles (cout) this is what I get: error C2065: 'cout' : undeclared identifier Thank YOU:cry: renny [CODE]#include "stdafx.h" int _tmain(int argc, _TCHAR* … |
 | I tried typing [CODE]printf("\033[34m");[/CODE] for blue foreground color, and other values, but nothing worked. So I included: [CODE]device=D:\WINDOWS\system32\ansi.sys[/CODE] and [CODE]devicehigh=D:\WINDOWS\system32\ansi.sys[/CODE] into my system.ini file to load the ANSI driver, both under the device part of the file, and it still didn't show any color. My Jamsa's C/C++ Programmer's Bible tells … |
 | Hello: I was wondering if anyone in this forum could point me in a direction (a link) where I could find practice projects (similar to Python [URL="http://www.daniweb.com/techtalkforums/thread32007.html"]Projects for the Beginner[/URL]) dealing specifically with C++ classes and their related functions? Thank-you in advance, reRanger  |
| | Howdy there all again. I have been working in C# for some time and think i am ready to graduate to a real language that can actually work hand in hand with memory managment :P so my first venture is to write a piece of software that will open a … |
| | Hello: I was wondering if anyone in this forum could point me in a direction (a link) where I could find practice projects (similar to Python [URL="http://www.daniweb.com/techtalkforums/thread32007.html"]Projects for the Beginner[/URL]) dealing specifically with C++ classes and their related functions? Thank-you in advance, reRanger  |
| | Hi people i am kind lost at where to start for this lab assignment i have gotten for my mid term break: Olympiad 2012 Problem It's London! International Olympic Committee President Jacques Rogge has announced that London will host the 2012 Olympic Games and Paralympic Games. 6 July, 2005, Singapore … |
| | I am working on a program that uses interrupts and a buffer to read/write characters from/to the console screen. (This is a tty.c program with ttywrite(), ttyread(), ect...) I also have a given queue folder, which contains queue.c that has the methods: [code] int init_queue(Queue *q, int max_chars); make a … |
| | I have to write this program by 12 a.m. tonight and i need help writing this program below. I will work with whoever can give me help all night if that is what it takes I'm trying to write a small code that will ask the user to choose between …  |
| | What if you were told to use arrays to solve this? |
| | I am trying to create a blackjack deck of cards (blackjack uses five decks... 5*52 = 260) Suit is irrelevant in blackjack. How do I create my deck? [CODE]#include <iostream> using namespace::std; int main() { char thedeck[13]={'2','3','4','5','6','7','8','9','0','J','Q','K','A'}; char deck[260]; for (int i=0;i<20;i++) { for (int j=0;j<13;j++) { thedeck[j]; } } … |
| | please help me understand the folowing code.... [code] class A { int a; public: A() : a ( 0 ) {} int get() { cout << "Hello WOrld " << endl; return 0; } }; int main( int argc, char** argv ) { cout<< ((A*)3)->get() << endl; return 0; } … |
| | I am programing in MFC .NET, and I am encountering a problum in adding the symbol '' to a CString object. This is naturaly due to the fact that the symbol is used for such things as \n \t ect. How do I go about it? say I have the … |
| | I am programming in C++ and am attempting to find the intersection of two strings, only the items common to both and thus return a third string with these items. Essentially, I am trying to write the code for the STL library set_intersection. To approach this problem I thought of … |
 | I'm having difficulties to get the buffer read 10 numbers from a file, then after it's empty read next 10 numbers, and so on till eof is reached. The input file contains several lines of data, with a single integer value on each line. Here is my code (I have … |
| | it is the classic "hello,world" example, I am using VC++6.0,when I create a project and include the .h and .cpp file into it and compile, it pops out these errors: --------------------Configuration: chapter 1_0 - Win32 Debug-------------------- Compiling... hello.cpp Linking... nafxcwd.lib(thrdcore.obj) : error LNK2001: unresolved external symbol __endthreadex nafxcwd.lib(thrdcore.obj) : error … |
| | okay, I haven't had to do much development work in c++, I spend most of my time in c#. I am trying to finish a course and my teacher gave an assignment on dealing with union and bitfield structure. The assignment is: [COLOR=#000000]Write a C++ program that reads a 64-bit … |
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