49,764 Topics
 | |
| | Hi there, I am new to the forum. I know this topic is not new. I have did a search on it and did not quite get what I wanted. Currently, I am trying to write a c++ programme which help me to read in about 10000 rows of numerical …  |
| | Hi..i'm having some trouble coming up with the an algorithm for a problem im working on. I am trying to check an arithmetic infix expression like: (((6+2)/2)*(3-1)); //This is my input file(; marks end of line.) I have to check to see if the statement is ok, or not ok, …  |
| | Right now I am using gdb on command line in Ubuntu. It seems pretty inefficient and cumbersome. Is that just because of the learning curve or because it is really that way? Do "real" c++ programmers use gdb? I felt the same way about vi until I learned to use …  |
| | Hello, I'm having this problem with the transparency in GDI+. I have 2 pictureBoxes, one over the other, and one of them has their alpha color set to magenta(255, 0, 255). My goal is that when the upper pictureBox has a picture on it with a section of the magenta … |
| | Hey im creating a cache simulation in C++ i have the read/write policies and most of the eviction policies but im struggling to get my head round adaptive replacement cache. i kind of understand how the two lists work but not very well. If anyone could help explain it to … |
 | The parts I am having trouble with are: The private section of the class should also include two member functions that will a) reduce a fraction to lowest terms b) normalize a fraction (the only sign appearing will be a negative sign in the numerator.) for part a) I have … |
| | hi, i wanna know the program for the query given below. i will be thankful to u. query: Seat Reservation prog for the theatre. Write a function for seat allocation for the movie tickets. Total no of seats available are 200. 20 in each row. Each row is referred by … |
| | I just learned c++ and is very hard for me to put in practice what I learned. So, I would like to know if anybody could help me by giving me tasks and helping me to solve them. Thanks |
| | To be honest, i'm really bad with c++ but it's required for my major. We have to make a sudoku program, that reads from a file, inputs the data into a 9 by 9 grid (of 2d array), inputs numbers till the grid is solved, then check for valid moves, …  |
| | Good day! can you guys help me to have the code for this output? pleasee.. _ _ _ 1 _ _ 2 2 _ 3 3 3 4 4 4 4 thanks in advance! |
| | Hi! I have a problem. I cannot pass text chosen in combox to text field.. The problem is: how to do that if all menu items from combobox are read from cfg file. ComboBox: [code] // // systemBOX // this->systemBOX->FormattingEnabled = true; resources->ApplyResources(this->systemBOX, L"systemBOX"); this->systemBOX->Name = L"systemBOX"; StreamReader^ plik= gcnew … |
| | Here is the problem from my Programming class: Write a program that asks the user for two file names. The first file will be opened for input and the second file will be opened for output. (it will be assumed that the first file contains sentences that end with a …  |
| | I am trying to compile a my code for a GUI project and for some reason it's giving me fatal error c1075. I'll post the code and output message. Let me know what it wants me to do. There is only one set of braces so I don't know what … |
| | please make this code work for many inputs not just two inputs then it terminates [CODE] #include <iostream> // requires for keyboard and screen I/O #include <conio.h> // for getch using namespace std; void main () { // local values int frontPad; int rearPad; int door; // output to screen … |
 | Hi. I am using Visual Studio 2010 for coding in C++. When I'm coding, I often make it to the bottom of the screen and the line of code I'm typing ends up at the bottom of the window - very annoying. I was wondering if anyone knew of a … |
| | Hey I'm having a problem with a loop in my code. It's a pretty long problem, but it is a travel expenses program. I'm creating a function that calculates the meal expenses for the user. I have to get a total for two days(first day and last day). When I … |
| | Ive been working on a solution to my homework problem for a couple hours and I believe I have found the answer but I keep getting this error code >Hw_3.obj : error LNK2019: unresolved external symbol "void __cdecl printTable(double,double,double,int)" (?printTable@@YAXNNNH@Z) referenced in function "void __cdecl process(void)" (?process@@YAXXZ) 1>Hw_3.obj : error … |
| | i dont understand how templates can cause code bloat in a binary file...does anyone happen to have an easy to understand explanation of this? |
| | Hi everybody, I am new to the programming world and I have an assignment that I need to write an array then a new array that needs to allocated dynamically and, then, populated in reverse order before being displayed all within a function. Here is what I have so far … |
| | Could someone explain to me (in layman's terms please) when to use pointers, pass by reference, this pointer and friendly functions. I understand the concepts but I can't think on my own when to use them. Can someone explain? thanks. |
| | Hello, I'm taking a 100-class (beginner) in C++ Currently I'm stuck in one of the assignments due where it asks for the program to have the user return to the beginning if there's an error, as well as create an out put of: + ++ +++ (...) The current code … |
| | hi please solve my problem i am getting linking error in following program. i am using devc++ for copilation linking errors: C:\Users\shiv\AppData\Local\Temp\ccaMbaaa.o(.text+0x286) In function `ZN4list7delnodeEi': C:\Users\shiv\AppData\Local\Temp\ccaMbaaa.o(.text+0x286) In function `ZN4list7delnodeEi': [Linker error] undefined reference to `list::search(int, Node**, Node**)' C:\Users\shiv\AppData\Local\Temp\ccaMbaaa.o(.text+0x62c) ld returned 1 exit status [CODE]#include<iostream> #include<conio.h> #include<string.h> using namespace std; class …  |
| | Use a two-dimensional array to solve the following problem. A company has four salespeople (1 to 4) who sell five different products (1 to 5). Once a day, each salesperson passes in a slip for each different type of product sold. Each slip contains the following: a) The salesperson number … |
| | im curious as to why in the world anyone would ever upcast or even downcast an object in their program? [CODE]class shape { }; class circle : public shape { }; int main () { circle a; shape b; b = (shape)a; return 0; }[/CODE] |
| | |
| | Hi, this is a code for Simple Console based text editor from Complete Reference to C++ by Herbert Shildt: [CODE] #include "stdafx.h" #include "conio.h" #define MAX 5 #define LEN 20 char text[MAX][LEN]; int _tmain(int argc, _TCHAR* argv[]) { register int t, i, j; printf("Enter an empty line to quit.\n"); for(t=0; …  |
 | Hey guys, I'm making a small game on c++ using code::blocks.I use winbgi graphics for doing it. Its basically a ball game like dx-ball. I am an amateur programmer and I did upto making a moving ball which will rebounce whenever the boundaries of the screen are encountered.My method is … |
| | Dear Friends! I don't know where it from getting arguments. I think there must b a predefine User define function Which is Passing arguments to the main Function. Please explain it I'll be very thankful to all of you. Please reply on my ID [I]email snipped[/I] Thanks :-/  |
| | Hi all, I am looking for C++ multi threading under windows but i wasn't able to find any fruitful examples .Please provide me with some useful online books or links. TIA |
| | please check this code : [CODE]#include <iostream>// requires for keyboard and screen I/O #include <conio.h> using namespace std; void main () { int frontPad=0; int rearPad=0; int door=0; cout << "Welcome" << endl; cout << " Enter either 0 or 1 for state of the\n Front Pad,\n Rear Pad,\n and …  |
| | I've heared that its very easy to add c++ code to c++/cli project (net.framework @ Visual Studio 2010) Unfortunatelly I cant do that. I was seraching all over the internet and I cant find any decent examples. All I want to do is to make a function that will read … |
| | I'm using Visual Studio 2010 C++ Express and connecting via ODBC to MS SQL Server 2008 R2 Express. My question is: Is there any way I can pass some type of pointer into SqlGetData instead of an actual data type, then stuff that reference into a void pointer for the … |
| | hi, could someone help me fix the code for the following question: I need to create a program that determines the animal corresponding to an input year of birth. Assume that the input year is 1900 or later. The 12-year animal cycle is rat, ox, tiger, rabbit, dragon, snake, horse, … |
| | Hi, I have a C++ programming assignment and am new to programming. My assignment is to read from an input file into an array of structs but for some reason all im reading in is garbage could really use some advice. If anybody could help thank you. Heres my code … |
| | I wrote a program executed it and it returned the expected output i goto modify it to work with multiple input files and now it returns garbage and crashes anyone have any idea? -the output file is commented because i am not using it yet there are no references to … |
| | This is the algorithm that I am working from Algorithm Name: UPDATE_CHECKBOOK [B]Problem Input(s):[/B] start_balance - the beginning checkbook balance. xact_amount - the amount of the transaction. xact_type - the type of the transaction (credit or debit). [B]Problem Output(s)[/B]: new_balance -- the ending checkbook balance. Relevant Formula(s): Adding a credit … |
 | Hello, i need a little help with this code. it's a header file personal.h [CODE] #include <iostream> #include <fstream> #include <cstring> using namespace std; #ifndef PERSONAL #define PERSONAL class Personal { public: Personal(); Personal (char*,char*,char*,int,long); void writeToFile(fstream&)const; void readFromFile(fstream&); void readKey(); int size() const { return 9 + nameLen + … |
| | I want my user to be able to enter a fraction. I could be lazy and just take num and denom separate... But I was wondering if there is way I can allow user to enter a fraction like "3/4". And somehow ignore the '/'. I guess I could take … |
| | Hello all, I'm new to programming and I came across the practice problems thread and tried one of the beginner ones: "Make a program that allows the user to input either the radius, diameter, or area of the circle. The program should then calculate the other 2 based on the … |
 | I am trying to make a program for class which is circular so it can be used until the user is done. the idea is choose an option then it calls the function, but for some reason it calls the estimate screen even when main_input does not equal 2. I …  |
| | Hello all , Is there an algorithm for computing Very large numbers (Max 9^1000000) without BigNum ??? Thanks in advanced. |
| | could you write a program that process the weekly payroll of the Brooks Leather Company (BLC). For each employee of BLC the program will compute the gross pay, deductions, and net pay. Each week BLC enters the following information into a data file called 'paydata' for all the employees: Social … |
| | Hello! I need a little more help. I have managed to convert all my chars input from a text file into digits. Example: Input from file: $1,9,56#%34,9 !4.23#$4,983 Output: 1956 349 423 4983 Now, I need to take those individual digits the 1 9 5 6 and make it read … |
| | Hi, I'm doing a client/server with threads instead of forks. The goal is to have multiple clients connect to the server and for each client the server makes a new thread. Although it's working atm, there are things that bother me, especially the sockets. The first thing I want to … |
| | Hey, I'm going to college to major in computer programming. Will what I learn in college, in any way, help me to write my own programming language and make my own compiler? If not, where could I acquire the information? |
| | Here is my code: #include <fstream> #include <iomanip> #include <cmath> using namespace std; int main() { char fare; char choice='Y'; int hrIn, minIn, hrOut, minOut; int hours; int minutes; int total_minutes; double cost; float charge; float additionalTime; while(choice=='Y'||choice=='y') { cout << "\nThis program will calculate a single, couple, or group … |
| | I need immediate help here. Please help me! :) I just can't figure out why my program is crashing while executing it. The compiling of the program is fine. (no syntax errors) I used Dev C++ 4.9 for this version. [QUOTE][CODE] #include <iostream> #include <conio.h> #include <iomanip> #include <string> using … |
| | i would never ask for debugging help usually but i am totally lost and have wasted far too much time on this. both peices of code compile correctly. the original function works fine with my program and the second one crashes. the original code checks a textfile in the root … |
 | Hello, I am writing a section of c++. Here is the section that does not work: [code=c] int a, escape; double temp1,temp2; escape = 0; a = 0; while(escape < 2){ Complex c[a]; cout << "Please input a complex number, the real part follwed by the imaginary part.\n"; if(!(cin >> … |
| | Hi, I wrote this code for C++ Primer Plus, but I don't really get why it doesn't work. [CODE]#include <iostream> #include <cctype> using namespace std; int main() { char ch; string str; int vowels = 0; int consonants = 0; int others = 0; cout << "Enter words (q to … |
The End.