49,766 Topics
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| | Hi I'm new to XML file. I have the following format XML file and I only need to read the value for data name = "A2" in VC++. How to read the value using the XML DOM methods without looping all the nodes? My xml file is as follows: [QUOTE] … |
| | Hey, I am working on a project and I want to know how to return a class object that is a Character Array. I am having trouble with it and can't find out any way to do this. Thank you for taking the time to help (: |
 | Can I use a DLL embedded in an executable (as a resource) without writing it to the disk? (Windows) |
| | I'm attempting to transfer some OpenCV images over the network, I've been trying to put them into a format I can easily encrypt and transfer, but I'm almost certain it's not going to work properly. Essentially the IplImage is a structure but it has a pointer that points to some … |
| | I want to create a struct array and get the max number of books written by particular author...The problem is that i can't get the number. I am not finished up yet with the code,but i don't know why i am not getting anything when calling the Max function.Please advise! … |
| | Hi guys, Found this thread while searching to solve my problem ... anyone an idea why this snipet leaks? [CODE]void testMemoryLeak() { HINTERNET hSession = WinHttpOpen(NULL, WINHTTP_ACCESS_TYPE_NO_PROXY, WINHTTP_NO_PROXY_NAME, WINHTTP_NO_PROXY_BYPASS, 0); WinHttpCloseHandle(hSession); } [/CODE] a 20'000 loop brings memory up to 19MB VS2008 on Win7/64 building a console application Win32 Cheers …  |
| | For a project I'm doing for class I have to make a virtual method in a class. A subclass will inherit the virtual method and instantiate it in a separate .cpp file. The problem I'm having is that I need the class that has the virtual method to instantiate its … |
| | I need help with this assignment. I got some done for the input validation but im having problems to understand classes. Ill provide the code below. Design a class called Date that has integer data members to store month, day, and year. The class should have a three-parameter default constructor … |
| | [CODE]int initScoreX; int initScoreO; int oldScoreX; int oldScoreO; int newScoreX; int newScoreO; int ScoreBoard(char Player) { int ScoreBoardPositions[99]; //counting all the way to 99 //let's say X won that round, so I add 1 to the old score oldScoreX + 1 = newScore; //let's say the new score is 16 …  |
| | i need help with this program, i need to give the user 20 chances to guess, and they should be asked if they want to playagain.(by playing again i mean generating a new number with 20 new chances) after playing for how many times i should count the number of … |
 | So I was doing some code for input validation on my homework program and i have the correct code to make sure a number entered it correct but I thought, what if they enter a letter. We aren't required to make sure that the user entered a number but how … |
| | hello guys ! i have created a program just to understand how to return a value from using a recursive program what it does it thati have have two variable i.e first and last the value of first is zero and last is 10 not i want the function to …  |
| | Ok, I've been trying to wrap my head around this code for the longest time today, and I've tried to look up multiple web pages on how to solve my issue in a different way, but it's no use. There's something that Im not seeing that separates a regular array, … |
| | Hello i am finishing up a pop3 program and now am looking for a way to view the html i receive form the pop3 server that comes along with some messages. People have told me to use a web browser but that seem over kill. Could i dissect a web …  |
| | Hi, need help with an assignment. Here is the problem and the code the I came up with. It displays the start and the end but it does not display the numbers in between. Thanks in advance. ;) [CODE]//create a C++ program that will accept 2 numbers: (Start Number and … |
| | I have a question on a very basic operation of modulo operator. [B]Why does 1 % 9 produce 1?[/B] If 10 % 9 then remainder is 1. I am very poor in math but have had to use modulo operator many times before but always become confused and couldn't understand … |
| | So, I'm a bit confused with how inheritance works in relation to variables. Let's say that I had the following class: class Test { private: int var1; float var2; public: void getInfo(int,float); void setStuff(int,float); }; Now, let's suppose that I wanted to derive a class from that base class; I … |
| | Hi I am working on Linux and I am trying to create a GUI app to go with my executable I have made. For some reason it unexpectedly ends. There is no error message, it just says in the Qt console window it unexpectedly ended with exit code 0. Can …  |
| | Hello! I am trying to implement search algorithms in a 2D grid. The problem I am facing is that let's say that I make a 2D grid in c++ through some array and also block some cells. Now how will I convert this grid into a binary tree to run …  |
| | hello guys ! i have created a program just to understand how to return a value from using a recursive program what it does it thati have have two variable i.e first and last the value of first is zero and last is 10 not i want the function to … |
| | Hello everyone, I've attempted to use ifstream to open and read a 20GB file but failed to do so (it takes a very very very long period of time...). So, I need find a fast way to open and read a 20GB .txt file in C++. Thank you! |
| | I'm lost based on the code provided, how to reduce a fraction down. I've looked on the internet and yes most are using global variables; I however, can not for my class. It must be within the function. And there needs to be two calls outside of each of the … |
| | Hello everyone, I am having a hard time reading and writing a UTF-8 file in visual c++ 2010. [CODE] void ReadUTF8File() { ifstream UTF8File("C:\\DaniWeb\\Desktop\\UTF8File.txt"); /* UTF8File.txt: ☺☻♥♦♣♠•◘○ */ string UTF8FileStr; if(UTF8File.is_open()) { while(!UTF8File.eof()) { UTF8File >> UTF8FileStr; cout << UTF8FileStr << endl; /* cout: ∩╗┐Γÿ║Γÿ╗ΓÖÑΓÖªΓÖúΓÖáΓÇóΓùÿΓùï */ } } UTF8File.close(); } … |
| | I'm receiving this error when I'm trying to run my program: Program received signal: “EXC_BAD_ACCESS”. Does anyone know what this means? |
| | I'm doing an assignment for school which is to simulate the grep command in C++. We are to take in a word to search, an input file to search through, and output file to output the results. The only text that should be in the output file is the contents … |
| | when using setprecision(2) when i try to display the number .90 it olny outputs .9 is there anyway to make it so that it display .90 instead of .9. |
| | I'm writing this program to calculate the best fit line. It's not finished. I'm doing it step to step to make sure it runs so I don't get lots of errors and totally freak out at the end. Right now it runs fine, but something is really off with the … |
| | I'm trying to help someone with homework.. So you do not have to give me direct answers if you don't want to.. it is not my homework. [CODE] class Types { //No default constructor.. Types(int Param1, int Param2); }; class Objects { public: Types* Original; Objects(); ~Objects(); }; //The problem … |
| | I am trying to compare a string from my text file to a user input i was wondering how I would do this I have tried the == operator but that seems to be getting me no where. I am currently trying to use the .compare() but it doesn't seem … |
| | OOPS! SORRY WRONG SECTION, I WANTED TO POST IN THE C++ SNIPPETS.. This piece of code will search for a string in a text file and write the results into another file along with the line number. [CODE] void IOSearchString() { string SearchString, InputFilePath, OutputFilePath, InputFileLine; cout << "Welcome!" << … |
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