51,593 Topics
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 | Heh, well my daily project is near finished, and I was looking around for a way to get rid of punctuation from a character array. I looked through the web a bit, and only found immensely complicated formulas which I did not feel like dealing with. So my question is: … |
| | Hi, I've been trying to create an accessor for my class that returns an array of structs as well as another that returns just a simple char array, but I can't seem to figure out how to do it, I had assumed it would just be [CODE] Example_Struct Foo::GetStructBar() { …  |
| | ok guys I need your help. Im still new to C++ and what I need to do is read a .txt file into an array. The file consits of number like this ie 345 55555 56788765 5444 333 22 3 55656757 etc.... then I need to sort them using the … |
| | As part of an assignment, I am to create a function to complete the program....I am very new to arrays and would like a little help, code as follows [CODE]// NAME: // ASSIGNMENT: pj70101 - ComputeAverage Function // COURSE: #include <iostream> #include <iomanip> using namespace std; //========================================================= // put your … |
| | Hi everyone. I'm new to the forum and thought it would be a good idea to come to the experts with some of my questions. I am currently trying to write a relatively simple program but being quite new to c++ i'm struggling with some things. I am trying to … |
| | The specific problem is this: "For each course the user creates, there must be a file for that course". The functions to display and insert the students, grades and sex work, I'm just stumped on how to make a function allowing the user to create the course on which the … |
| | I'll post the question below but I can't get the smallest and largest to print. I'm not even sure I have the math correct to calculate them because I can't get results to print. A local zoo wants to keep track of how many pounds of food each of its … |
| | Question: how do i get the average to come out, correctly. The first avg., should be 85, next second one: 85.5, then student three: 80. Here's my code: [code]#include <iostream> #include <iomanip> using namespace std; void handleOneStudent(int N); int main() { int NumberOfStudents; cout << "How many students are in … |
 | I can get my code to compile and produce correctly (as I want it right now), except for one problem: Output: [code]What Degree Polynomial: 2 Enter Coefficient #: 8 Enter Coefficient #: 5 Polynomial selected is: 8x^(0)5x^(1) What Degree Polynomial: 3 Enter Coefficient #: 4 Enter Coefficient #: 5 Enter … |
| | Ok i am working on a program for class to add to big numbers. The numbers are entered as Chars then converted to int. Then i need to place them into a dynamically allocated array with a pointer. I need to do this twice to make two arrays and the … |
| | I have a switch function in a program that needs a little help. The switch function is as follows [CODE]ostream& displayShapes( ostream& outfile, Shapes ashape) { switch( ashape ) { case Triangle: outfile<< "Triangle" ; break; case Circle: outfile << "Circle" ; break; case Rectangle: outfile << "Rectangle" ; break; … |
| | I am trying to use file name as a parameter to a program in DOS. I know it can be done by changing the parameter to the main(). I do not understand the exact way. I have developed a data compression and decompression utility, it works for a particular file …  |
| | It happens that I am doing a project for my computer class, but it seems not to work. This is the project : An employee is paid at a rate of $16.78 per hour for the first 40 hours worked in a week. Any hours over that are paid at … |
| | Hi all, This might be bit of a silly question, but it's stumped me now for over a day and I've scourged the net for info but haven't found anything to sort out what I should be doing. I am currently using Qt Creator 1.3.1 (Based on Qt 4.6.2 (32 … |
| | hello i'm using C++ for the first time on my course after a year of c#. We are suppose to make a client and server using pre existing code. One file was server one was of a client. There must be 3 classes a common class/ base class and a … |
| | I have been working on this for a very long time. I have also searched for examples but they do not help. Here is what i need to do...I need to take the students score and compare it to average and print out the corresponding grade. I am having a … |
| | Hi, I have a Date field and DateTime filed as string variables. Now i want to customize their formats as like given below. Ex-1: 20091024 if i specify the seperator as '/' then 2009/10/24 '-' Then 2009-10-24 Ex-2: 200910241011012 if i specify the seperator as '/,:' then 2009/10/24 10:11:12 '-,:' … |
| | For Making long description short see my case: [code] suppose, path: "../defult123/test.txt" my code: ofstream fout("../defult123/test.txt",ios::out); Here in "defult123", "default" is static but "123" is dynamic .So Basically path should be written as: "../default***/test.txt" [/code] So how can i access this dynamic path for writing in test.txt file. [code] so …  |
| | Fist of, I'm new hew as the post count shows, so hello. I had this homework where we had to make a program that works with arrays. With that there were little to no problems, but I wanted to make a function for the selection of the option in the … |
| | im trying to practice on: Basic User Defined Functions/ Pass by Value Functions for class and im confused. this code has a problem with it, its not printing everyting i want it to say. can someone help me understand this and what i am doing what wrong and what i … |
| | This is one mean function! I've tried everything I can think of. I registered a type library with LoadTypeLibEx() which is a really easy function to use. I mistakingly thought UnregisterTypeLib() would be routine. Its most decidedly not! The error I keep getting with FormatMessage() is... Error accessing the OLE … |
| | Hi folks, this might come off as a silly question but here it is. If I have this code: [CODE]class CtrTest { public: CtrTest() { cout << "Ctr" << endl; } CtrTest(const CtrTest&) { cout << "Cp Ctr" << endl; } }; class Wrap { CtrTest test; public: const CtrTest& … |
| | Can I use libxml++ to parse html. I'm trying to find all the images in a xml file and store the image data directly into the src attribute of the web page. I know there is a bit of a difference between html and xml that's why I am asking … |
 | I'm looking for C++ libraries to manipulate real and/or rational polynomials. Does someone know such a library ? |
| | Hello, I have made a program in C++ for which I am making the GUI in C#. I want to run the C++ program as a process from C#. The program loads and runs fine, but due to some reason it is not able to access the files. When I … |
| | I am just looking for information about dump file created by windows on crash. Want to understand its working. Please share your knowledge about this topic, you can post to it or can give me reference links. |
| | I have a Computer Science degree (long2 time ago) .. I do know Java OOP but i am now trying to pick up C++. I do have C and of course data structure using C or pascal. I have started reading Bjarne Stroustrup book (The C++ Programming Language - Special … |
| | I am facing problem in output of this program it is not giving me correct output...pls help me to solve this program...[I]<<snip>>[/I] [CODE]# include<stdio.h> # include<conio.h> void main() { clrscr(); int q,year,j,k,m,month,a,b,c,d,e,f,h; printf([/CODE] |
| | Hi all.. i have a program to count LOC i.e. Line of code of a source file of any C++ program. The LOC shud not contain the comments count and also the blank lines. Now i m able to count to total lines of the program but the comments and … |
| | hi, i have a string like string s = "1234" and i want separately the integers 1 ,2 ,3 4 as integers , so how do i do it? i tried using atoi as follows : [CODE]char * ss[10]; ss = atoi(s.c_str()); int x = ss[0];[/CODE] for getting 1 but … |
 | Okay, as the name implies, I would like to change an integer (ascii code number), such as 65, to a string, '65', then back to integer, 65. Now, the reason for doing so, is because I'm working with ascii code, and want to return a string of a fixed length. … |
| | Hello Everybody. Does anybody here know of a good IDE to begin using directx programming in c++? I'm currently checking out eclipse, but I don't know how to get directx to work easily. I've been told Dev-c++ does the job but it doesn't work on my machine. Please help! |
| | I'm working on a project for my first use of classes and OOP. I've read all our slides (only provided examples though) and two tutorials on classes, but I confused about a few things. I'll show first the assignment then I'll post my specific questions after. [QUOTE]You will need to … |
| | My datagrid column, ID, Name, Member Number and there are about 50 entries into it. It reads an xml database and adds rows at runtime. When i click on the row to sort you can see the arrow up or down, and most of them sort but there will be … |
| | Please tell me why this doesn't work: [code] #include<iostream> using namespace std; int main() { char felix[3] = "ho"; if(felix == "ho") cout << felix; } [/code] |
 | Hey All I am testing myself with making a big number class. Right now I'm just working with integers but I hope to expand it to floats as well. I am using a vector of integers for the container and i have run into a problem with my addition routine. … |
| | Ok guys, for my next assignment I have to read from a binary file and then print out my information. I will post the assignment and what I have so far. But my question is, do I create the binary file first in the program or by hand or what?? … |
| | Hey all, I am trying to read in a line from a file. The line will normally contain a string followed a number. Eg/ NumberOfElements 1500 I only require the number. I have been trying to read in the line storing the string as "text" and the number as "numOfInts". … |
 | I am dealing with multiple monitors in which i required to use EnumDisplayDevices() API. However, the linker gives me following error log (i am using VC++ 6.0) : [CODE]Linking... SourceCode.obj : error LNK2001: unresolved external symbol __imp__EnumDisplayDevicesA@16 Debug/AllianceProject.exe : fatal error LNK1120: 1 unresolved externals Error executing link.exe.[/CODE] I tried … |
| | Hey guys, sorry I am asking so many questions lately, but I am learning this stuff by myself, and find it easier to ask questions here than look online. Plus when I try using the search engine on this site, it takes me to some quite random threads. Anyhow, onto … |
 | I just want to share and ask about what I experienced, Im just a starter in C++ and I noticed everytime I make a program which has a [B]looping statement[/B], after compiling the program and try to run or execute the program([B]it happens only after compiling[/B]) it takes 13 to … |
| | Hi, I have a quick question...so I have this program that asks user to enter an integer and then it analyzes that integer..it outputs factors of that number, and tells whether its composite or prime, abundant or deficient, and so on...and then after telling few things about that number..it asks … |
| | [QUOTE=hay_man;246195]I am using c++ and need to devise a method to determine the check digit of a credit card. The user enters the card no. as a string. The card no is then divided into blocks of length, x. these blocks are then added. I have the code to convert … |
| | ok so basically what im wanting to do is setup functions and call on them later... this is kind of what i want [CODE] void mainmenu(){ //what i want in there... //if statements etc } void etc() { //whatever goes here} int main() // and then have them get called …  |
| | how would i write nested for loops for this program? there are 3 products. product 1 is $12.50, product 2 is $8.90 and product 3 is $20.10. write a C++ program that reads the product number and the quantity sold per day, and then calculates and display the total retail …  |
| | I want to convert binary file to ascii. how to do that in C |
| | Using different objects for input and output the above code is not working. Pls give suggestion ASAP. [code]#include<iostream> #include<fstream> #include<iomanip> using namespace std; class sample { int num; char name[20]; public: void read() { cout<<"\n enter name"; gets(name); cout<<"enter the number"; cin>>num; } void write() { cout<<"\n The name is"<<name<<endl; … |
| | this is the code i have entered and keep getting the error: error pointer to a function used in arithmetic and error cannot convert 'const int' to 'double' for argument '1' to 'double f09kkk_lat {cout<<places[i]<<""<<fixed<<setprecision[2] <<fo09kkk_lat_long_dist(brunel_lat,brunel_lon,lat[i],lon[i]<<endl; } cout<<endl; |
| | Hi, I know this is compiler thing but I just wanted to know if anyone here have ever been succesful in compiling libvorbis/libogg with MINGW. It's weeks now I cant do it! I have tried with MSYS but nope i cant get far. I wonder why these developer consider only … |
| | can u help me plz :yawn: to solve this : Write a program for data encryption using Double Transposition technique. Your program should encrypt any plaintext given a secret key. The inputs to your program are: (1) plaintext stored in a file, (2) secret key which refers to the matrix … |
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