[c++] Forum Topics

Any good web resources out there for picking up C++ after already knowing Java? It's kind of a yawn to have to go back over concepts that are already familiar - functions, classes, polymorphism, recursion, etc. Really just looking for syntactic differences. Would be great to find some solid tutorials …

what am i doing wrong ? :) [CODE] if(InternetGetConnectedState(INTERNET_CONNECTION_LANINTERNET_CONNECTION_MODEM , 0) == true) { cout << "internet alive"; } [/CODE] [CODE] error: invalid conversion from `int' to `DWORD*' error: initializing argument 1 of `BOOL InternetGetConnectedState(DWORD*, DWORD)' [/CODE]

I have a problem to re declare a List<String^>. The first line compiles fine but I get this error on the second line: [B]'operator =' function is unavailable in 'System::Collections::Generic::List<T>'[/B] I dont know what could be wrong here ? [code] List<String^> Lines = gcnew List<String^>(); Lines = gcnew List<String^>(); [/code]

I dont even know where to start with this program. I have been really busy and he tells us what to do. If anyone could help with this it would be great. here is what it says to do ASSIGNMENT DESCRIPTION This program will simulate the card game WAR!. The …

can sombody tell me binary addition in c++

Hello, I'm working on a project that involves making two dlls: one of them is in Borland C++ (file1-bc.dll), the other one is in Visual C++ (file2-vc.dll). Right now I'm prototyping and trying to make them as simple as possible and to see data being exchanged from one side to …

hello i hv a question... i hv to start my cpp project on the topic airlines.. as im a beginner only.. pls help me how can i start it from the beginnings.. pls ... help me..i hv to submit this project as soon as it is possible. pls tell me …

Write a C++ program that reads a series of 12 temperatures (floating-point numbers) from an input file. It should prompt the user for the name of the input file. The input file should be place in the same directory where your source program resides. It should write out on the …

Hello Everyone, I'm trying to implement a Polymorphic Queue. Here is my trial: [CODE]QQueue <Request *> requests; while(...) { QString line = QString::fromUtf8(client->readLine()).trimmed(); if(...)){ Request *request=new Request(); request->tcpMessage=line.toUtf8(); request->decodeFromTcpMessage(); //this initialize variables in request using tcpMessage if(request->requestType==REQUEST_LOGIN){ LoginRequest loginRequest; request=&loginRequest; request->tcpMessage=line.toUtf8(); request->decodeFromTcpMessage(); requests.enqueue(request); } //Here pointers in "requests" do not …

Hi, I’m trying to use the following code in C++ on Mac OS X Snow Leopard to get the output of an external program through a pipe. [code=c++] FILE * al = popen("program program.cfg", "r"); string data; char buffer[100]; while (fgets(buffer, 100, al) != NULL) data.append(buffer); cout << "«" << …

I'm pretty proficient with Java but am not sure what's going on with pointers, classes, or imports/includes in C++. I originally had a size() function but I was getting error about it conflicting with my 'int size;' variable. Can functions not share the same name as variables? I renamed it …

hi,,, i have converted the image in to gray and created itz histogram...nw i m applying various filters on the gray image...my problem is: 1.. want to display the result image after filtering in dialog box... for this i have created the dialog class...but not getting how to send the …

Hi there, i'm trying to make a program which translates a word from one language to another, using files (one file for each language) i'm using fgets, to read a line from the file and then comparing it to what the user entered, and strcomp() to see if the words …

I am planning on starting a project during summer break. I am going to create a employee clock in system for my work place (and anywhere else that wants it.) I figured it'd be good to get some practical experience before I graduate. The actual structure of the program I …

i was putting the finishing touches on my project and there are some errors that came up here is my code: [CODE] else if (action == 3){ system("cls"); cout << "Russia has an entrenched, albeit underfunded, system of socialized medicine. Basic medical care is available" << endl; cout << "to …

hi...i have to create a code generator in c++, but i am starting from scratch , so first i need to create an xml file.... can anyone help me to create a simple xml file, with only two fields i.e., name and surname.... and this is where i'll fetch the …

Declare a 2-D array that will contain up to 20 rows and 15 columns. The template for this lab that has been posted on ANGEL contains code to prompt the user to enter the number of rows and columns he/she would like to use, confirms the user’s entry is valid, …

so some day i want to hand code a security program(anti-virus probably). but i dont know where to start on theory and actual code. Where should i start and what language is most common? Where did you start if you have been in the same bind i have? thanks to …

hello everyone, im currently writing a code for a library, and i needed help trying to figure out how to write a code to check an object in or out. im how would i make it user friendly to simply press Y OR N TO CHECK A BOOK IN OR …

I have been tasked with writing a program that will read in from 2 files and determine a premium rate depending on age. I have written part of the program and I am simply trying to make sure that what I am reading in is correct. The input file has …

i`m having error message problems,the computer that i use doesnt have a null device..so when i compile a code it will display "Project : error PRJ0015 : The NULL device is missing from your system. We are unable to launch a build." does anyone have an answer to this..please help …

HI im tryin to get user input od a date and than get the week number so far i have lernt how to do the week number but need help in getting a date frome user input so far: ----------------------------------- [CODE]int week; char date[3]; struct tm tim; time_t now; now …

I have one error in my code Error 1 fatal error C1075: end of file found before the left brace '{' at line 50 The program is suppose to ask the user for a filename, read and display the file. Then show 24 lines per screen. I thought I checked …

so this is the part of my code that has an error: [CODE]int Mainmenu(){ system("cls"); int action; char action1; cout << "Welcome to my Quarter Project." << endl; cout << "What would you like to learn more about?" << endl; cout << "1. Medecine in the United States." << endl; …

Programming Assignment Employee Payroll Report Write a program that generates an Employee Payroll Report. The input for the program consists of a collection of data containing the last name, hourly pay rate, and the number of hours worked, for a set of employees. The output of the program is a …

I have tried to fill an array with randoms numbers between zero and nine. The code I have used so far is this. int a[40], b[40]; for (int i=0; i<39; i++) { a[i]=(0 rand() % 9); b[i]=(0 rand() % 9); } Why will this not work?

I see that this problem has been posted a few times before but I cannot manage to find the bug in my program. When it runs, it does not return the values in ascending order. For example, upon entering two test values, I get 0 and 1519848. Any hints would …

This is the project of my program: [url]http://www.4shared.com/file/259396798/53d2a9dc/MRKtack.html[/url] it works in Visual C++ 2008 Express! please download & test it on your compiler. it is an API graphical program. It works in my Windows XP properly! but when I install it on Windows Seven/Vista there is a problem with painting! …

I have this assignment; Create a class named Student. The class should consist of the following private member variables: social security number and name (last, first or first, last?). The social security number (SSN) should be a long integer. The name variable should be a character array of 80 characters. …

hey every one, I am a bit of a n00b here too, so than ks for baring with me. I am trying to creat a program that conjugates a verb from present tense to past tense. to do so, I need to conert a string to a character type for …