51,593 Topics
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| | Program received signal SIGSEGV, Segmentation fault. 0x001c74a5 in std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::string const&) () from /usr/lib/libstdc++.so.6 (gdb) where #0 0x001c74a5 in std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::string const&) () from /usr/lib/libstdc++.so.6 #1 0x0804b444 in Time::getTOD (this=0x0) at Time.cpp:63 #2 0x0804a4f0 in main (argc=2, argv=0xbffff7a4) at printsongs.cpp:102 (gdb) frame 1 #1 0x0804b444 in … |
| | Greetings! I have an assignment for my CSE class that requires me to write a program that prints out an isosceles triange made of asterisks. The program reads in the number of rows from the user and prints out a triangle with that amount of rows. The following functions were …  |
| | I have a program written in C on LINUX environment. I have another wrapper application written in C++ on Windows. I have a DLL of my C code which I cannot change/modify (I also have access to the original source code) but without exports. I cannot modify the original source … |
 | Hello everyone, I have a question about the getline() function. I want to read from a text file and add each sentence to a string array, separating them by the full-stop. The getline() function format for input from a text file is different from the one that takes keyboard input. … |
| | I need to create a nested map structure of a given depth, in order to keep track of the number of times that a given combination of words occurs in a file for example if the depth is 3, i should have [CODE]map<string, map<string, map<string, int> > > data;[/CODE] and … |
| | I am new to c++ and have a question about the while loop. If I have one key condition that is let's say a gamebreaker. Ie money = less than 0, does everything else then go in a big while loopn which may contain many more while loops and if … |
| | Hello guys, just wondering why my program crashes when I try to delete a struct from my array. I'm trying to code so that the user searches for a student via a student ID, then opt to delete the searched student's record. I thought I got it right and the … |
 | I am having a couple of problems. I think I got the formatting down for the most part. I am having issues in a few calculations and how to iterate through them. Basically I need to take the radius and calculate the circumference and the volume. Once I have the … |
| | the question asked me make a program that would find opens an read a txt file and calculate or display the following. - the number of numbers - sum of all the numbers in the file (running total) -average of numbers in file the .txt file just has 100,200,300,400,500,600,700 each …  |
| | I am doing this assignment for my C++ class, and we have to instantiate 4 objects of the Student class, set the data members and then sort them according to the GPA variable. Ive whittled down the errors to just one, and I am stumped. Here is the error: error … |
| | Hello Guys! I need help for an assignment. Somehow my code will not correspond to what I'm looking for. I'm having a hard time to find what the problem is. If you guys can please help me, I'll be more than appreciate !!!!! [I]1) Create a program that will read …  |
| | I am creating a rock, paper, scissors game (RPS) for my C++ class. I got most of the code working but I can't figure out how to implement the Log and the printLog functions an. I've been working on this assignment for the past 6 hrs and this is the … |
| | hello i have my code here and i want to add two numbers together constantly #include <iostream> using namespace std; int main() { int a = 10; int b = 10; cout << a+b; return 0; } how to make A+B add constantly?  |
| | hi Could someone please help me urgently with my computer programming project. This is the assignment: Create a program in which a user is asked for how many values (s)he wants to enter (maximum 50), then: Asks for the values and stores them into an array of double. Sorts the …  |
| | I am trying to open a text file in C++. I dont want the file to be open in the console i want to open the file using one of the text editors like gedit. Can someone show me how to open it using gedit and not in the console. … |
| | How would one listen for keyboard input, without causing the program to pause waiting for the input? For instance say you have something like [CODE]float num = 0; bool runloop = true; for(int i=0; i<1000000 && runloop; i++{ n += some_time_consuming_transformation(i); // How to listen for input at this point? … |
| | //All the c++ files in paste bin //////////////////////////////////////////// [url]http://pastebin.com/AzKPcN3v[/url] [url]http://pastebin.com/FrLpS0CV[/url] [url]http://pastebin.com/f3kYdYFW[/url] [url]http://pastebin.com/26h6yA3k[/url] [url]http://pastebin.com/cieYfDT8[/url] [url]http://pastebin.com/gV0sYb7q[/url] [url]http://pastebin.com/aT2c7bPs[/url] [url]http://pastebin.com/fQrjz3Sh[/url] [url]http://pastebin.com/sR0nrHXj[/url] /////////////////////////////////////////////// Hey, I need some help with this project I can't figure out what is wrong with my code. When I put print statements into the actual functions the output's seem to be … |
| | Well its simple: I'making a group of programs that use one file for settings, however not all settings are used for all programs so instead of making another variable is there any way to just throw, let's say the first line to null read the second line feed the third … |
| | Greetings! I've been working on this program for the past couple of hours now, and I cant seem to get it right. I'm supposed to write a program that reads in integers from a text file, and then find the sum of the integers. The problem I'm having is with … |
| | Hi folks, I had created a class for student. This is the class. [code] class student { int rollno,marks; char name[20]; public: void show(); void get(); int filecreate(const string &,fstream &); int fileopen(const string &,fstream &); static int add(const student &,fstream &); static int read(const student &,fstream &,int); static int … |
| | 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 … |
| | Hello Team i am a newbie in c#, i have was asked to come up with a program that extracts information from websites and stores in txt, or any other readable format. now i managed to do the program. my problem now is i am extracting information from a site …  |
 | 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 … |
| | C# Linq to Entities - Reference.EntityKey Now that I have built a database and here is the corresponding SQL code: [url]http://www.mediafire.com/?f4a0d74j7qe7a1f[/url] Visual Studio 2008 SP1’s ADO.NET Entity Framework has generated an Entity Model like this: [url]http://postimage.org/image/lulmehljv/[/url] I have created some methods as follows: [code] private void buttonAddPatient_Click(object sender, EventArgs e) … |
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