51,593 Topics
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| | Hey guys I was wondering, I like to try to improve my skills by seeking formulas and programming them into code, like currency formulas BMI formulas time formulas, hell even speed of light formulas, do you guys know any sites that have a list of formulas to program for kits … |
| | hi i am yuvaraj doing final year in engineering i need to know how to create a os using c or c++ . i know how to make an application program using c or c++. but the function of os is to control hardware .i dont know the c++ instructions … |
 | Hi Guys, I need to make remote app control via network where I can lock a computer and terminate all applications running. currently I don't have any technical direction on how to lock and terminate. I have no problem where to start on network and sockets! please point me to … |
| | Hi all, I am trying to match an image of size 64 X 64 inside a 512 X 512 image. I have successfully coded the spatial normalized cross correlation (NCC) but it is taking too much time (8 sec.) I want to perform the NCC in frequency domain. I know … |
| | Hi guys, As some of you may know im working on learning more c++ and trying to become a good programmer, iv got things like classes, function pointers and template classes under the belt as far as i can see (although to be honest i have never found a place … |
| | I decided to just try and make a program that would identify what KIND of expression you entered, not even evaluate it. Just for it to say: “You entered an addition equation. ” when you enter an equation with a value, a plus sign, then another value … and so … |
| | I am new to C++. i want to write a program that finds factors of a no. and puts them in array and prints it. i have written a program but it is wrong. PLease correct it.Thank you. [CODE]#include<iostream> using namespace std; int main() { int b,c,i; int myarray= [10]; … |
| | Hello every one I am new to Bluetooth programming .. so I need your help plz what I want to do is to make an application programmed in C#.net this application will search for devices with bluetooth on them , then start a secure channel with a mobile via bluetooth. … |
| | hi can anyone help me with my code, im trying to write a bigInt multiply function but this function got some bugs(it prints additional zero at the left side) input: 3 2 output 06 and ... [code] #include <cstring> #include <iostream> using namespace std; const int mmax = 10000; char … |
| | Hello and good evening I'm trying to make a a program that will take text from a input file to a variable in main then use that variable with nested while loops to count all the spaces in the text then display it using cout. I been at this for … |
| | Hello, I am trying to create a function that accepts an integer and a double and squares both values. I have to pass the values by reference. I am new to c++ and don't understand this and I do not understand functions very much when trying to pass more than …  |
| | I need help trying to write the c++ code on the following algorithm. Can anyone please help! I am totally confused on what to do. // Set TotalTax to 0 // Set TotalGrossEarnings to 0 // Set TotalMedicalLevy to 0 // Set TotalEarnings to 0 // Display Heading // Read … |
| | I am new to C++ so I am trying to understand why the program behaves differently if you do this [CODE] #include <fstream> #include <iostream> #include <cstdlib> using namespace std; int main() { ifstream fin; ofstream fout; fin.open("getfromthisfile.txt"); if(fin.fail()) { cout << "Input file opening failed.\n"; exit(1); } fout.open("sendtothisfile.txt"); if(fin.fail()) … |
| | i need to submit a car racing in C language using graphic functioins and to derive a track on which i have to run a car in particular time.. in short i have to make a game in C having the phenomenon to beat the clock |
| | hello guys i have some questions and i want you to help me 1- how to find a factorial for a number e.g. input 5 = 5x4x3x2x1 so the is output 120, now please see my code [CODE]int fac = 0 ; int count = 0; int num; cout <<"Please … |
| | Ok people, I understand stacks and heaps, but when it comes to recursivity and binary trees, i have a major problem trying to understand this. if someone peopl explain me, how this recur. stuff works, I would be happy! For example, where the value goes, wich function is called and … |
| | I'm actually trying to do this in objective c, but I belive the theory probarbly are the same for C++. Heres an example of what I want to do with a simple, working, example using an integer: [CODE=c]void func2(int *i) { *i = 2; } void func1() { int i … |
| | Hello, i've tried to use Windows sockets not in my LAN and i've noticed that every time my program starts it gets CPU overflowed weirdly [code=c] ProgramConfig myConfig = ExecuteServerConfig("config.ini"); WSAData wData; if(WSAStartup(MAKEWORD(2,2),&wData) == -1)return 0; sockaddr_in serveraddr; int sock = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); serveraddr.sin_port = htons(myConfig.Port); serveraddr.sin_addr.s_addr = inet_addr(myConfig.Server); serveraddr.sin_family = … |
| | Hi, I'm new to C/C++ but have worked with PHP for years and want to make a program to tie in with my web applications. I want to write a program that listens on port 80 for incoming HTTP/HTTPS traffic to a web browser. Then checks HTTP headers from a … |
| | Hi everyone, I think I nearly have this program running right except for printing the adjacency matrix. Here's the code I have: [CODE]#include <iostream> #include <string> #include <memory.h> using namespace std; class Graph { public: static const int MAX_ROWS = 6; static const int MAX_COLS = 6; Graph(); ~Graph() { …  |
| | #include <iostream> #include <stdio.h> using namespace std ; int main () { char c ; c = cin.get () ; do { cout.put (toupper (c)) ; c = cin.get () ; } while ( !cin.eof () ) ; } How can I make this capitalize only the first letter of … |
| | hello everyone Q1-see this equation [url]http://www.daniweb.com/forums/attachment.php?attachmentid=15688&stc=1&d=1278298959[/url] is this the correct code for this Q1? [code]#include<iostream> using namespace std; int main() { float s=0,p; int i,j; float x; cout<<"x="; cin>>x; for(j=1;j<=6;j++) { p=1; for(i=1;i<=j;i++) p*=x; if(j%2==0) s+=(-p/j); else s+=(p/j); } cout<<"ln("<<x+1<<")="<<s<<endl; system("pause"); return 0; } [/code] *** Q2- i want to … |
| | Hello, could someone be so kind as to give me a short tutorial on how to use a function that accepts multiples values and parameters using references. I need to create a function that accepts an int and a double and squares both values by using references. I'm not sure … |
| | Hi, How to explore libraries, by that i mean open and look at its source code? I am using Embarcadero RAD Studio 2010. For example i want to see functions inside #include <list>. |
| | I've searched the C++ forums and cannot find anything that relates to my question. I am writing a program (for class) that opens a txt file and reads doubles from the file, then computes the standard deviation of the numbers in the file. In order to do this, I am … |
| | Hello everyone, I am trying to pre-allocate a certain number of nodes to a linked list, I allocate 10 nodes at first and, if I have more data to store, I'll need to resize it by adding half of the total number of nodes, sort of like 10, second time … |
 | hello I'm writing a program. this program needs to create a few files & use them. where should it create the fils? the program should not create the files in the same folder as itself. because it will be in C:\Program Files where Windows Seven won't allow to create files … |
| | The recent assignment I was given in my programming class had me utilize a structure. Structures are not covered for another 10 chapters in our textbooks, however I did read up on them as much as I could to try to figure this thing out. I am still unsure on … |
| | I want to do a double linked list that has has in each element one operator(+-*/) and one value of type double. I am having trouble in defining the class of the list. Should I use C++ Class Template Specialization or what? [CODE] include<iostream> using namespace std; template <typename T> … |
| | Hi Guys, My name is Rahul and I own a tech consulting firm in NYC. My office is on 37th between 5th and 6th. I am in constant need for good resources. Most of my clients are direct. Currently I am looking for about 10 C++ developers. Its a 6 … |
| | I am new to C++. I have a problem regarding access specified elements from a text File. I have two File containg the random sorted integert values. and an Array with some size. For exapmle if array contain 10 elements and files will contain random number upto 10 with no … |
| | I have started to follow the Beginner tutorial's so the first one is Hello World, so I have followed what was shown and it has failed this was created in Console application template then added the main.cpp file to the source folder. this is the below error message, can someone … |
| | Hey, I am making a small network game and I suddenly got some problems with my player class, specially when trying to call the getName function and using the second constructor I get this error: [code] 1>------ Build started: Project: RPG, Configuration: Release Win32 ------ 2>------ Build started: Project: Server, … |
| | hi frnds m doing project on tracking keyboard,mouse & URL activity. which programming language is much easier to implement this project? Is Java better or VC++ is more better option? plzzzzz suggest me as soon as possible. |
| | My goal is to have a simple piece of code that will raise an exception if input of non-int is entered. My problem so far, is that I haven't been able to reach the catch block. I have read a little about bad_typeid, but do not know how to implement … |
| | I have me problem in finding the error in the folowing program.the program writes all the information in an encrypted form would you help me in making it readable please? the program is: [code]#include <iostream> #include<fstream> using namespace std; struct customer { string fname; string Lname; int id; }; int … |
| | Ok the requirements include a program that asks for three positive number and checks if they are a triangle. I did that ok, but now I have to figure out what kind of triangle that I entered is. The choices include: right angle triangle acute triangle (all three angles < … |
| | Hey! I am making a program that keeps track of users so the program has to update the number in the database how do I actually do it? I know how to select things and such, but have no idea how the update works.. I didn't really find anything for … |
| | I wrote this small program that enters a password from a user and displays '*' instead of the letters so I could add this into my project. I compiled it through Dev C++ using Windows 7 and I am getting errors, please help me out. The program :- [CODE] #include<iostream.h> …  |
| | A friend and I are working on our first game engine in C++. We're both new to C++, but not to programming in general. Our current method of handling objects (things within the game, such as a player object) works fine, and is pretty fast! But I'm not sure if … |
| | How to hide window in taskbar? Visual programming: Embarcadero C++ In project file i set: [CODE=c++] Application->MainFormOnTaskBar = false;[/CODE] but that didn't helped. |
| | I was wondering what all files this program accesses, and any other info you could tell me about this program.. The program is in the link below. [url]www.thelandofoz.net/help/program.rar[/url] Mucho thanks in advance!! -DaJ4ck3L  |
| | I have one Server code , and I have to test with 100 clients .... Clients has to read data from text file in local system and has to send to Server ... for that i want to write one client code to test my sever .. please any one … |
| | Question 1 How many pointers are needed to build a linked list in a backward manner? a. one [COLOR="green"]b. two[/COLOR] c. three d. four Question 2 Every node (except of the last node) in a singly linked list contains ____. a. the address of the previous node b. the address … |
| | I want to write a method to remove consecutive items with duplicate data values from a singly linked list. The method should return the number of items removed. The method should clean up memory as required, and should assume that memory was allocated using new. For example, passing in the …  |
| | Hey, I am doing a little program that is connected to the database and keeps track of users using the program also, for example when someone opens the program it adds one to the users number in the database, what I need to do is to see when user presses … |
| | [CODE]/*a program that inputs three integers from the keyboard and prints the sum, average, product, smallest and largest of these numbers*/ #include <iostream> using namespace std; int main() { int firstNum, secondNum, thirdNum, sum, product,average, largest, smallest; cout<<"Enter three integers: "; cin>>firstNum; cin>>secondNum; cin>>thirdNum; sum = firstNum+secondNum+thirdNum; product = firstNum*secondNum*thirdNum; … |
| | I want to write a method to determine if a given string is a palindrome. E.g. "Madam I'm Adam", or "A man, a plan, a canal, Panama". The prototype for the function is: [CODE]bool is_palindrome(char const * str)[/CODE] I have a simple logic to check for equality by moving forward … |
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| | I wrote a program and created an object with fstream. Eg. [CODE] fstream f1; f1.open("s.dat",ios::out|ios::binary); f1.close(); [/CODE] Generally if there's no file such as s.dat, then it creates a file by the name but it it's creating one instead it exits the program. I have to then manually create a … |
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