neithan

A simple project that provides an interface to encrypt and decrypt strings using the next algorithms: - AES - Blowfish - Cast - DES - Idea - Rc2 - Rc4 - Seed The project uses PoCo C++ libraries, they have a nice and easy to use interface for OpenSSL I …

How to make a program that prints out 10 stars with using cout or for loops or while loops.

So basically I am new to API programming and teaching myself. I've done a bit of console C++ that I got off of.... an internet tutorial. The story is the same here too. I am somewhat aware of what the lines of code do, though I am not yet a …

will you help me to solve out input e mail address using all validation

#include <iostream> using namespace std; char chessboard[100][100] ={' '}; int n; int savingposition[100][2]={ }; //checking rows.... bool checking (int row, int column){ for(int i = 0; i< n; i++){ for(int j = 0; j < n; j++) { if((j+i== column+row|| column - row == j-i || i== row || j …

Hi I would like to save integer values from 0 to n ( n = 112 e.g.) to a char array. How can I do this? char numbers[n]; for (int i = 0; i<= n; i++) { numbers[i] = i // or numbers[i] = 'i'; when I write code like …

Always use scanf() and printf(). They are much, much faster than cin and cout. Also use stl algorithms, like sort, reverse and find, especialy if they are member functions of a container class you use.

The question asks: Write and compile a C++ program that simulates the arrivals of airplanes at Regina airport. An airplane is represented using a C++ struct. Each plane belongs to an airline, such as United, and records the city from which it is arriving, for example Chicago. The airport is …

Hi! I'm trying to implement the easy curl function to get a website, `curl_easy_setopt(curl, CURLOPT_URL, m_sURL);`, where the third argument is the only one that i give, and it's in this part of the code: ... public: string m_sURL; URL() : m_sURL("http://www.google.com") { } ... Now, when I call `curl_easy_setopt(curl, …

Hi! I understand almost all basic theory in C++ (including templates, inheritance, STL etc.) and I'd like to start understanding C++ in Windows, specifically stuff related to memory, calls, hooks, stuff like that. I don't visualize what do I want to do exactly (probably that's why I'm asking here) but …

Hi all, class A { public: A(); ~A(); } class B { public: B(); ~B(); private: A *a; ->declares a pointer to class A object A a; -> holds the class A object } Whats the difference between the 2 type of declaration of a class A instance? Are there …

Please i will like to know what wireshark is and what it is used for.

Does anyone know of a header file for windows with a function that enables the execution of code once every specified number of milliseconds, something that can be used like this: if ( delay(5) ){ // do something every 5 milliseconds } If it's in microseconds is even better. If …

how can we create a password and change the password? thank you!!

Hi all! I'm new to pixel/graphic management and fairly new to C# as well but i'm learning some AI at the same time, very basic of course. I did some kind of "Game of life", you know that it imitates cell birth and death and whatnot. I have it working …

Hi! I'm a newbie and i have kind of a teoric doubt. I wonder where the functions/events truly reside. For example, when i doubleclick a form or a button, i can see in the events properties that a function is created in my code (private void Form1_Load(object sender, EventArgs e), …

Hi. I'm new to C# and i'm facing this wierd thing. To put it simple i have two classes: - Especimen - Form1 Form1 has a button, when you click it it generates 10 objects of class Especimen. This is a very simple class, it's supposed to simulate a biological …

Hi, i'm just mixing file handling and struct types and pointers to learn, but i'm a little stuck on this. I might be doing something awfull i can tell, sorry for that. Can anyone help? What's the best way to pass [CODE]#include <stdio.h> #include <ctype.h> #include <string.h> #include <stdlib.h> struct …

Hi everyone, i have this portion of code [CODE=c]while(c = getc(file) != EOF)[/CODE] c is an int and file is a FILE *file = fopen(filename, "r"); The filename points to a file with 2 lines, 10 characters total. That while always makes c a value of 1 (accodring to ASCII …

Hi, i'm facing a weird behavior in this code that i just wrote. It was supposed to read a string from stdin and just write it out. I've debugged it and for me it reads perfectly, but in the while (line 38), *p just seems to be taking weird chars …

Hi I need to know what's the best/stable and free OS for servers. (I was advised to install Ubuntu 9.04 Server). Did anybody installed this before on a heavily loaded commercial environment? Regards, Thisara

I want to finaly learn what's up with pointers and arrays, so i made up this program: [CODE]#include <stdio.h> int main() { int cantidad_frases = 0; printf("Cuantas frases quieres escribir?: "); scanf("%d", &cantidad_frases); char *frases[cantidad_frases]; for(unsigned i = 0; i < cantidad_frases; i++) { [B]for(; *frases[i]; frases[i]++)[/B] { *frases[i] = …

I'm learning C, but a friend of mine asked for help with this code. I have debugged it with C::B and actually it crashes when getting out of the switch and starting to print out the menu again, after selection the first option (1. Polinomio) I 'watched' the polinomio pointer …

hi im trying to write a C program that produces an array like this 1,2,4,8,16... Basically i produce an array with with the power of 2 starting at 0 and going up to n. Here is my current code: However the array dosent show. What is the problem? # include …

I'm focusing now on this I/O thing, even writing a guide by looking some sources. I want to cover it all i can about stdin i/o and if it looks good in the end i'd love to share with you. But that's still OT. I can't get rid of the …

Hi everyone. I am so confused in input and output! I'm following what it looked to be a nice tutorial from VTC and it shows how to use scanf and printf. But i'm seeing everywhere things like printf and scanf and getc, getch, puts, gets...wtf? I learnt the diff between …

Hi everyone, nice to join this community. I have a doubt, why can't i get a larger avatar than this? Other user's avatars are bigger! Thank you.

HI , I am a student in an university... I am assigned a project about the knight's tour on the chess , but must use the Warnsdorff's rule ... rule : Put a knight on the chess with any square , and find all patchs of knight (knight pass each …

I want a vector<string> with some values by default. I wanted to do something like char **strings = {"bla", "blo"} How to do it with vector<> without using repeated push_backs?

I'm new to C++, i'm learning with the help of Stroustrup Principles of C++ book, with this forum etc I'm doing console apps that treats and operates with numbers and so on, as i see you do the same, at least that's what i see people asks in the forum. …