49,766 Topics
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| | Hello...I'm trying to write this program answering this question and I keep getting C2440 errors and C2664 errors and I did some research but couldn't find anything on how to correct it. The question says : Write a program that dynamically allocates an array large enough to hold a user … |
| | I am quite new to C++ and while trying to 'link' functions (methods?) together to make more interesting code. I found that you cannot call a function that is below the function you are calling it from. example: main() { "code" run(); } run() { "code" } This doesnt work. … |
| | I can't seem to figure out why there is a segmentation fault in my copy constructor. [code]Set::Set() { Num = 0; Head = new (nothrow) Node; Head->Succ = NULL; } [/code] [code]Set::Set( const Set & A) { Node * Temp = A.Head->Succ; while ((Temp) ) { insert(Temp->Item); Temp = Temp->Succ; …  |
| | My homework problem is the following :Write a program that accepts a string from the user and then replaces all occurrences of the letter e with the letter x. I got the following code below that can recognize to find characters and where they are at but I don't know … |
| | suppose the input file is... 5(number of cells) 1 2 -1 4 0 2 3 4 1 0 3 -1 2 -1 3 1 2 0 1 -1 how will i Write a function to read data from an input file to create a dynamic array of pointers to cells, … |
| | hello all , i have to initialize the array of stucture singleIMEIarr to null , using NULL doesnt work , when i assign {'\0'} it doesnt execute. any suggestions at to where im wrong ? [code] struct singleIMEI { string planname; string plandescription; string scriptexec; string startdate; string starttime; string … |
| | Hey guys I need to write a function that separates a line into five different individual fields. My first question is how do I set the entire line of input from a file to an array. These are my directions. void dissectCustLine( char *, char *, char *, char *, …  |
| | I'm trying to add all the square root answer but why am i getting this output: -858993430 #include <iostream.h> void main() { int input; int sqrt; int i, sum, add; cout << "Please enter your desire number: "; cin >> input; for (i=1; i <= input; i++) { sqrt = … |
| | How to make a new scripting language in C++ ?...I need: parser,scanner,grammar,included functions,syntax.Where I can start?. I think I use JavaScript/PHP syntax.  |
| | I am working on a set class and I have successfully written an insert function, but I need the function to insert in an ordered fashion. [code]bool Set::insert( const EType & A ) { bool Flag = false; unsigned Position = 0; Node * Prev = Head; Node * Curr …  |
| | Hey guys, Well I have a lecture about "Fundamental File Structure Concepts". I`ve read some articles about it and I really have a problem with the File Dump part!and also I didnt find any useful thing about it in internet can anyone please help me?? thanks :)  |
| | <email snipped and color code tags deleted> this is the solution for this problem its kinda long and boring ,but it works properly [code=cplusplus] #include <iostream> #include <iomanip> using namespace std; void main() { const int r=4, c=4; int ar1[r][c]; int ar2[r][c]; int sum[r][c]; int prod[r][c]; int s=0, y, x; … |
| | Hi, im VERY confused about this, and i get a lot of different explanaitions, so now im asking you guys, because you properly know:) What can .net be used for? what is it good for? .net vs. gtkmm? Can i use the .net framework with c++? and how? Thanks in … |
| | I have a program that writes on a text file. I'm using CStdioFile to write on a text file. The problem is, once the writing size exceeds 190kb, it stops from writing and causes the program to not to respond. I tried threading in my application and the "not responding" … |
| | Hello ALL, I have a vector vector<CLUSTER> ClustList; where [Code] struct CLUSTER{ string DocID_DocName; } [/code] some members of CLUSTER have been ignored for simplicityInitially, I put 3 elements into ClusterList by using push_back() the content in DocID_DocName is shown below. [Code] ClusterList[0].DocID_DocName = "0"; ClusterList[1].DocID_DocName = "1"; ClusterList[2].DocID_DocName = … |
| | I have been rushing trying to get this done by Monday 2am est. I'm trying to create a new project which consists of at least two classes: a base class and a derived class. The code of your project should include * a composite object * an example of inheritance … |
| | I have been trying to learn about FFT programs and have been using one of the codeprojects example as a base [url]http://www.codeproject.com/KB/audio-video/waveInFFT.aspx?fid=39693&df=90&mpp=50&noise=3&sort=Position&view=Quick&fr=1#xx0xx[/url] What i would like to know is how to go about taking the data from the fft algorithm that is used here and display that information in an … |
| | Hi, How can i find the OS name in C++ on which the program is executed. like Windows 2000, Windows XP or Windows Vista? Thanks for any help. |
| | I've been trying to figure this out for a while and figured I'd ask some experts: For a school assignment, I need to create a datebook program. One of the classes is a DateAndTime class. One constructor on the class is supposed to take an unsigned integer and convert it …  |
| | I need someone to explain to me this code step by step: [code=cplusplus] /* File config.txt: num = 123 str = hello flt = 12.2 */ #include <iostream> #include <fstream> #include <sstream> #include <string> using namespace std; struct Config { int num; string str; double flt; string myadd; }; void … |
| | Hi, How can i delete the file in the middle of the program in C++ Thanks |
| | Hello, I have to make a program that takes in a 2 character & out puts their eqivalent in ASCII Decimals. For example; input = j b , output = 106 98 (ie, j= 106 in ASCII table, b= 98) eg 2; input = J B , output = 74 … |
| | I want to rank sentences in a text based on weights.. for example i want to extract certain important sentences from a text based on its weights(importance).. please help if possible with an executable algorithm... |
| | I am currently writing a simple program that matches a already written program, with certain specifications that are required. For the most part I have written what seems like working code, but I do have problems. Here is the program that I have to make: [URL="http://mavdisk.mnsu.edu/wangj/lab10sol.exe"]Sample[/URL] 1st problem: When the … |
| | Hi, I wish to remove the extra unwanted characters in the file name. [ICODE]f1::f1(char *filename1) { char file_txt[40]; strcpy(file_txt,filename1); strcat(file_txt,".txt"); system("rm file_txt"); }[/ICODE] In debug mode when i check the value of file_txt i get : file_txt = "../../input.txt\000\000\000\000F\000\000\000\001\000\000\000\001\000\000\000\v\000\000\000\002\000\000\000\000\000\000\000\001\000\000" I do not know hoe to get rid of the extra … |
 | this program will replace a substring from the string with a new string . It is working perfect ... [CODE]#include <stdio.h> #include <conio.h> #include <string.h> #include <iostream.h> char *replace(char *st, char *orig, char *repl) { char buff[50]; char *ch; if ( !( ch = strstr( st, orig ) ) ) … |
| | Thanks in advance for your help. Ok...the last part of this program is where I am stuck. I am supposed to read data in from a file and sort by gender. But the output is supposed to read department, gender, first, last names, job title and salary -- then to … |
| | Hi all, I have been reading on the net searching for what others alternatives do i have besides singleton and i came across the following site:- [URL="http://www.bigroom.co.uk/blog/better-without-singletons"]http://www.bigroom.co.uk/blog/better-without-singletons[/URL] There is a paragraph stating:- [B]To accomplish this(singleton effect), create the class as a normal, non-singleton, class and enforce the single-instance only behaviour … |
| | Does anyone know of any open source libraries that provide a simple grid (2d matrix) structure- for simple game navigation? I am running into a lot of problems with the one I created for my ai project and it would be nice to have something reliable to work with. Thanks! |
| | can anyone help me with this program write in c++ a defintion of a complex class for complex numbers.Each object of this class will represent a complex number x+y*j storing the real part x and the imaginary part y as float in private section. Include a constructor, a destructor, access … |
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