49,756 Topics
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 | Hi. I would like to know about how you program a command that forces an operation. For instance, the command window might prompt the user of something that they already know, rather than bothering to hit Y and enter, it does it for them, forces the operation. Thanks  |
| | Hello everyone, I want to develop browser plugin. How i should start. Thanks, Indar |
| | I wrote a class and I want to give it to someone to use, but I dont want them to have access to the source code. My class is split into 2 files a .h and a .cpp how can I block them from seeing the cpp file only the … |
| | Hi everybody, I'm developing a daemon in c/c++ and I'm having some trouble with shared memory. I create different processes that have to access the same memory region. Everything was OK until I decided to use a vector containing objects. I read that I have to define an allocator specifing … |
 | hello, I'm relatively new to C++ (but not to programming) so I wasn't sure how to do this in C++. My brother wrote a bash script which is used primarily to transfer files between computers using rsync which he asked me to convert to C++ so that it can be … |
| | Hi, If I want to print several numbers, say 12.3, 24.038, 154.9181, 0.4778--anyway, just all kinds of numbers, how can I print all of them with [U]fixed number of decimals[/U], say two decimals, that is, the output will be: 12.30, 24.03, 154.91, 0.47... ? The "setprecision(...)" doesn't work because it … |
| | i am programming on linux platfrom and i want making a plugin for a web browser. can u tell me the basics of plugin programming on c++/ Qt in linux.? I dont have any idea of how to start making a plugin kindly guide me... |
| | I have two lan cards in my Server in such a way that Lan Card a1 is connected to internet and holds Public IP infomration and Lan card a2 is meant for private internal network and holds internal IP information and connects to client machines in my internal network. In … |
| | Hi, Suppose I have a character array with the elements B,A,A. Now I have another character array with the elements A,B,B,B,A,A. How do I match the pattern B,A,A of the first character array with that of the second character array so as to produce the following output: A B B … |
| | No matter which options you enter, it always displays the result for paper beating rock. [code=cplusplus] #include <iostream> #include <iomanip> using namespace std; int main () { /* declaring variables */ char first; char second; char paper = 'p'; char paperP = 'P'; char rock = 'r'; char rockR = …  |
| | I am using a progressbar in .NET to show progress for an operation. In this forloop I am reading 3 files that takes about 20 seconds. Now I have done a formula: (out / count) * 100 that will show progress. So for the first file wich will be (1 … |
 | Hello, I am trying to create a program that asks a user to input a integer. That integer will dispaly "*" (i.e. enter 4 diplay - ****) This is what I came up with so far to no luck! [code]#include "stdafx.h" #include <iostream> using std::cout; using std::cin; using std::endl; int … |
| | We were given a task, to familiarize ourselves with stacks and queues, to write a program to solve a maze problem. We are given text files with pre-defined values letting us know the size of the maze, the mouse's position, the cheese's position as well as the value each cell … |
| | I have a wondering here. This code I have below is working great except of one thing that doesn´t make sense to me. I use a while-loop inside a for-loop as seen. The for-loop is counting from 1-49 and for each count the while-loop will read a .txt file and … |
| | I once again am having trouble with this program. I really thought i understood this right off the bat but once i got into it, there is a lot of little technical things my professor wants in it. Like the functions and generating random numbers. Any help would be awesom, … |
| | Hello, I was wondering how you might go about detecting a drive letter, such as D for DVD drive, if you wern't to run it on your own computer. I have programmed something that picks a certain drive letter in an attempt to match it to theirs. The reason is, … |
| | Can anyone please help how i can do the following program? If there is actually a similar program in C++ section can anyone post me it? I will appreciate it! [B]Task: Calculate 2 floating numbers choosing the option you want from the menu as follow: 1. Addition 2. Subtraction 2. …  |
| | program 1: #include <iostream> using namespace std; class person { char name[30]; int age; public: void getdata(void); void putdata(void); }; void person :: getdata(void) { cout << "Enter name"; cin >> name; cout << "Enter age"; cin >> age; } void person :: putdata(void) { cout << "\nName" << name; … |
| | How do I go about writing a user-defined function named Get_Inputs that when called, the function will prompt for three integers and send these numbers to its calling environment. |
| | Hello All, I'm creating a program that reads a file.dat and I need to input that in a matrix, it can be 2x2,3x3,4x4 or 5x5. I'm not exactly sure how to do that. The file.dat looks like this: 2 1 2 3 5 3 1 3 8 5 7 3 … |
| | If you know a certain c++ library treat with excel sheet with efficient way that can read acertain row or columns Support me by it |
| | Hello, i made this code, it is giving me random numbers, but 1 too many, and a couple numbers out of the range..please help!!! [code] #include <iostream> #include <cstdlib> #include <ctime> using namespace std; int main (){ int x; //range number 1 int y; //range number 2 int m; //how …  |
| | can someone please try and explain something to me... i have 2 functions, lets call them FuncA and FuncB. FuncA calls FuncB, and FuncB does some stuff then simply returns. both functinos are placed in try...catch statements: [CODE] void FuncA() { try { FuncB(); } catch { trace("FuncA caught exception … |
| | This is Homework. I have been working on a tournament program. Currently the tournament class gets user input and instantiates a player class and a game class. The game class then calls the board class where it instantiates a boardconfig class object. At this point Is where I get my … |
| | I started a windows application, that used the void hide.. function to hide the command window. I compiled it, and it worked. Why is it, that if I compile the source file, and not the project file, it keeps the window open? Dispite the fact the coding is exactly the … |
| | I'm working c++ project but before I can start coding I am required to analyze the problem and determine potential objects/classes - Object Orientated Analysis. I read through the paper a few times and did my analysis. Tell me what you guys think. I'm not verse in this area so … |
| | hi, i am totally new to this and i would appreciate some advice or if you guys know any articles i could look at to research. I want to create a program that will copy the contents of RAM to another file. I have no idea where to start! It …  |
| | Ok, I am tryin to use the proper coded way that a few of you have asked, so don't yell if I screw up the first time, please. I was able to debug and run, but had many errors, I have fixed several already, biggest problems are that if I … |
| | Hello, I would like to pose a very simple question, does anyone know how to clear the command window of text, and give it a name(Eg. Cosmos's Program) I would like to make room for different lines of text in my program, and also give it a name, for obvious … |
| | What enables C to support variable function arguments (varargs), while other languages (like Java) do not support this feature? What is special in C which is not there in Java to support this? |
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