49,761 Topics
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| | Hello DaniWeb Users, I am new to the forum however from what I have seen it is exceptionally good! I have searched the forums already and found various questions relating to a similar problem as mine however I am unable to work out how I can amend this for my … |
| | Hey Guys, I am really trying to get into List-Implementation. Everything I wrote works fine except the "delete Element at Position" funktion. With the iterative Implementation there is no problem, everything works, but I want to do a recursive Version. This is the Task: Invent an algorithm which becomes a … |
| | Hi, I just want to know is c++ or maybe java the programming language which is used by most programmers to write those software programs we seen on cnet or clickbank? I am really interested to develop a software which can run on desktop (particularly on windows). Also I am …  |
| | I am doing a program to do dfs traversal given the adjacency matrix. My code follows: [CODE] #include <iostream> #define SIZE 10 using namespace std; bool M[SIZE][SIZE]; int flag[SIZE]; int dfsNum[SIZE], num; int n; void dfs( int u, int p ) { flag[u] = 1; dfsNum[u] = num++; for( int … |
| | Please help me out to put the above code of delete array crashing together, because I've been trying millions of time. Please help. Thanks a lot. |
| | I'm working on a tool that can copy the registry files from a designated drive or image onto a local machine. After doing that, how would I go about reading from those registry keys? I've seen other people use RegOpenKeyEx but that was on their computer and not an external … |
 | I'm at the very last bit of this project. I think i am confusing myself at this point. I need to do one last function called showCost. The function is to print the total cost and the average cost. I'm at a loss one how to do this. Wonder if … |
| | i want to write a program which display alert message whenever 15 mins are over.But i am not finding solution of my problem using waitforexit() or delay() functions. [CODE] #include<time.h> #include<stdio.h> #include<dos.h> #include<conio.h> void main(void) { time_t timer; struct tm *tblock; time_t t; //timeout=18000; /* gets time of day */ … |
| | hi I'm new to c++,I really need your help :( I have an assignment that it's title is a latin sort.It needs to read from the text file and then sort the words by bst and again write the sorted files to a text file,I also attach the assignment I … |
| | I am getting the following error: PII.cpp:266: error: 'struct std::string' has no member named 'getfirstblock' And I'm not sure how to fix it, since "int block" has to be equal to the firstblock of the file, how can I fix that error? Also, my "getfirstblock" function should return the block …  |
| | Hey fox i had a hw problem and im stuck we're supposed to do a payment project and i sort of did the first part but then stuck on the second. Here's what i've done so far... [CODE]#include <iostream> #include <iomanip> #include <cmath> using namespace std; //Program name: Amortize int … |
| | Hello i am building a game. The bigger it gets , the longer it takes to compile. I wanted to speed up compile time. I have a lot of headers and cpp's and they recompiled every time. I was thinking about when building my game, excluding some parts of it … |
| | So, I've been assigned to write a program that reads the wind-tunnel test data, that of which is called the "tunnel.dat" in my program, and then allows the user to enter a flight-path angle. If the angle entered is within the bounds of the data set, the program would need … |
| | this is my first year of c++ and i am really confused on functions. if someone could help me with one of my examples to get me on the right track i would really appreciate it. 1. using void printMenu().....i dont understand how to set it up 2. using isEven(int, … |
| | Hey guys i am having a little trouble with this code [CODE]# include <fstream> # include <iostream> # include <string> using namespace std; int main() { fstream filestr; filestr.open("text.txt", fstream::in | fstream::out | fstream::app); filestr.close(); return 0; }[/CODE] But i keep getting a error when i run it 1> All … |
| | Hello, I have a question about classes on C++. So far I have 3 classes on my project. BibEntry ( abstract class), KeyFinder (class to find the \cite in file and store to private KEY at abstract) and TypeFinder ( class to find which entry is it article, journal so … |
| | The assignment requires program to read from a file into an array, use two boolean functions to validate certain data (set to "true" when there are no errors) then output any errors to a separate file. Everything works fine except for validating the rate. All the numbers are read into … |
| | Hi there guys I just wanted to ask if you have any c++ games there that are easy to program? I'm on my way to learning game programming with c++, so perhaps you can give me ideas on what to code just the basic c++ games like tic tac toe … |
 | Hi.I get the following error "g++: error: CreateProcess no such file or directory" whenever i try to compile a program.I have installed the MinGw 7.2 version at work on a windows machine and the problem does not occur , however after installing windows SP3 on my home computer i get … |
| | Hello all, U have a project that I am trying to figure out how to start, I don't have very strong programming skills, so I'm actually quite lost here. Any help is appreciated. Basically here is what I have to do: 8 processes are characterized by 5 readers and 3 … |
| | I'm having an error "a value of type "double" cannot be used to initialize an entity of type "double *" Any tips? Thanks! [CODE]#include <iostream> #include <string> using namespace std; struct sample { string name; double *num; unsigned elements; }; int main () { sample x = {"Dude", [COLOR="Red"]{1, 2, … |
| | I am a web developer and this is my first time doing coding for desktop program. I am looking for a software development tool to use for c++ which include GUI and be able to pack up and run on windows after I have finished written the program. This software … |
 | My question is why fstream can't read 0x1a. For example make a test file and inside it write in HEX editor 30 1A. [CODE]#include <iostream> #include <fstream> typedef unsigned long DWORD; using namespace std; fstream myfile; template <class T> T grad(T value, int step) { T val(value); if(!step) return 0; … |
| | I'm doing a project for school and I've run into a problem. I have to reset values of a cylinder (height and diameter), back to the values used in the default constructor within a function. Here is what I have so far: My Class [CODE]class cylinder { public: cylinder(); cylinder(double …  |
| | I am currently working on a small project with Fibonacci numbers and it requires me to report an error when given a negative numbers. This is the assignment my professor gave me, "The program is not assured of receiving good data, thus if -2 is received as the number of …  |
| | Hello again. I am hitting a brick wall. I am to read data from a file, store the data in three arrays respectively, and then calculate and display the average of the numbers in column 2 and 3. These are the things I know: Read my data from file. Use … |
| | hi i have two problems in c++ console application 1. I want a function to execute when a certain key is pressed .kbhit() is for any key but i want to modify it to a specific key ..plz tell me about it also if any other function can do this … |
| | Two things. First I need to resolve the linker errors I'm getting and I also need to learn how to create a text file in a C++ project file. I'm working on a stacks project with classes and I'm running into linker errors. Specifically it says: [B][Linker error] undefined reference … |
| | Hi everyone just started Daniweb! I have been using devcpp for some time.I am trying to make a switch from DevCpp to Visual Studio but find the latter confusing having so many options. Recently, I did a console application that will accept a word from user and prints its anagrams. … |
| | I am trying to make an 8x8 board with an array. The only problem I run into is making a box or square that will be placed into that array. for instance: @@@@@ @@@@@ @@@@@ @@@@@ @@@@@ @@@@@ @@@@@ @@@@@ @@@@@ @@@@@ @@@@@ @@@@@ @@@@@ @@@@@ @@@@@ @@@@@ @@@@@ @@@@@ … |
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