Software Development Forum

Please tell me deeply about classes and objects My Question are: What is class? Why we use class? How can we use class? what do help class? Please tell me and also tell how can I learn about class?

Anyone here who knows how to convert system month,Day,Hour,Minutes,Seconds each into number format like month=12 (If December) Day=30 Hour=12 (In 24 hour format) Minutes=55 Seconds=45 Thanks for help in advance...

Hello forum, vaironl here. I have a project which will be due at the end of the year. I'm taking in the user input from 1- 40 ingredients with, name, amount, an unit. Additionally I'm taking a description which is a paragraph, and I store these values in a text …

Hi, I've got a problem with my project. When I initialize an arraylist, the content is displayed and you can go through the arraylist by correctly answering the given word. But when I load a new arraylist from a file, the old arraylist is removed and the new one is …

Can anyone explain me how to find a point on circumference. The data i have is radius and the coordinates of circle center. I tried to get it by using (x-a)^2+(y-b)^2= r^2 formula but i get stuck. I'm not asking for solution but for explanation.

Is it possible to make an array of doubles like a c-style string to make a bigger number? Or is an array of chars a special thing to a compiler?

plz i have question that is statistical which is course that i still missed .. how i can make code for median , mean,strdDevition , mode else presented as class and object i will realy thanks for whom will help me ,,

I'm new to C++, and I've been picking it up really well, but when it came to making my own function, I hit a problem. I've looked and I cant find the problem, its probably something really stupid but I cant find it. Heres the code, its really simple. I'll …

Why do we have to suffix long literals by 'L' or 'l' even though we have specified the datatype ? Does it serve any special purpose?

is the following program correct for the title 1/1!+1/3!+1/5!+.....+1/n! [CODE]#include<iostream.h> #include<conio.h> class series { int i,n,sum,fact; public: void input() { cout<<"enter the number of terms"; cin>>n; } void processing() { if(n%2==0) { cout<<"the number is invalid"; } else { i=1,sum=0; while(i<=n) { sum+=(1/factorial(i);); i+2; } } } int factorial(int lim) …

Hi I have written a c++ code. It works well frequently but sometimes I see strange errors especially about out file streams. For example, this time I dealt with this messages: 'GABC.exe': Loaded 'G:\GABC\Debug\GABC.exe', Symbols loaded. 'GABC.exe': Loaded 'C:\WINDOWS\system32\ntdll.dll' 'GABC.exe': Loaded 'C:\WINDOWS\system32\kernel32.dll' 'GABC.exe': Loaded 'C:\WINDOWS\WinSxS\x86_Microsoft.VC90.DebugCRT_1fc8b3b9a1e18e3b_9.0.21022.8_x-ww_597c3456\msvcp90d.dll', Symbols loaded. 'GABC.exe': Loaded 'C:\WINDOWS\WinSxS\x86_Microsoft.VC90.DebugCRT_1fc8b3b9a1e18e3b_9.0.21022.8_x-ww_597c3456\msvcr90d.dll', …

Hello, I need to implement a simple project: create a basic web-site to read online stream from my web-camera using its IP address. BUT I´d like to use my Arduino microcontroller and WiFly shield without using a laptop. Could please someone give an advise - links to related tutorials or …

Hello :) I have written a os in C and assembly, but my os is only a text based os. How can i make it into a OS with GUI ?

i want to go back to main menu while hitting escape key in my programme. for that i have make a function. [CODE]void exit (char[]) { if(char==27} { exit(0); } } [/CODE] but i have many user inputs which are of type int,float,char..... so i have tried, [CODE]while(kbhit!=27) { //coding …

Hi guys.. I need advice on writing function in a multi-threaded envionment Lets say I have a function which squares an integer. [CODE] int Square(int num) { // May do other things which might take long time to complete. return num*num; } [/CODE] This function is called in threads eg …

I want to build a program for my c language project.What i need to do is that the user should enter the number of students,number of questions,correct answers,each students answers answers and then the program should calculate the number of correct answers,and their standing,the most wronged question . the problem …

Hi, I've been working on a project that needs to list all the drives on a computer (it's kind of a file explorer, but without using the standard one provided by windows). I've searched and found the function [URL="http://msdn.microsoft.com/en-us/library/windows/desktop/aa364972%28v=VS.85%29.aspx"]GetLogicalDrives()[/URL], which does exactly what I want. However, the return value is …

hey , I'm a beginner & need some help in C++ , I want to generate 4 unique numbers " any number isnt repeated within itself " I figured a way to generate 4 random numbers but they arent unique [CODE]srand((unsigned)time(0)); int number= (rand()%9999+1000);[/CODE] , I also need to put …

Hii everybody I was building RPC based server-client application I have a struct called event contains int type long int time I have a function in a server that `return (*event)` event * log_1_svc(event *argp, struct svc_req *rqstp) { static event* result; result = (struct event*)malloc (3 * sizeof (struct …

So my teacher asked us to make a problem. This was just passed to me by my classmate and this is the problem: [QUOTE]flow chart problem: a. Create a flowchart that will determine the sum of two numbers and if the sum is greater or smaller than 50. (0-50 less …

For some reason, when I do an output.put, it is not doing anything. [CODE]#include "stdafx.h" #include <fstream> #include <Windows.h> using namespace std; void main() { fstream input, output; int in1=0, in2=0, x=0, k=0, l=0, max=0; input.open("input.txt", ios::in); output.open("output.txt", ios::out); while(input.good()) { input>>in1; input>>in2; for(x=in1; x<in2; x++) { k=x; l=0; while(k!=1) …

how would i stop a user from entering a letter when they should be entering a number? [CODE]#include <iostream> #include <cstdlib> #include <cstdio> #include <cstring> usin namespace std; int main(int nNumberofArgs, char* pszArgs[]) { char nAns; do{ int nPly1; int nPly2; int nPly3; int nPly4; int nPly5; int nPly6; int …

Hy Guys! PLease Help Me on the following problem. How can i do the next thing? I want to know what's the data in a textfile's line. If i'v got the line number. For example: [COLOR="Green"]variable line_number = 5 In the c:\test.txt on the 5th line the data is "Washington" …

I am writing a program that manipulates text file using console application. What I want to do is to delete 1 specific line based on the ID entered by the user. For example: DR-01|Coke|25.80 DR-02|Sprite|25.80 DR-03|Sarsi|25.80 DR-04|Coke|25.80 When the user entered DR-02, the result would be like this: DR-01|Coke|25.80 DR-03|Sarsi|25.80 …

First, I did search the forum and I found a few topics about this but none of the information seemed to be applicable to what I'm doing. Anyways. What I'm working on now is a basic telephone directory. a Directory text file contains the names of all of the subdirectories. …

Could someone help me to convert this Scheme Code to Objective-C? (define-type RCFAE [num (n number?)] [add (lhs RCFAE?) (rhs RCFAE?)] [id (name symbol?)] [fun (param symbol?) (body RCFAE?)] [app (fun-expr RCFAE?) (arg-expr RCFAE?)] [with (id symbol?) (named-expr RCFAE?) (body RCFAE?)] [if0 (cond RCFAE?) (then RCFAE?) (else RCFAE?)] [rec (id …

As the title states I'm building a calculator. I've got two arrays, one for holding the values input by the user, and the other for holding the operators. Addition seems to work just fine, however subtraction, multiplication, and division are still putting up a fight. I believe it's just logic …

Hey guys. Im having some problems with python. I need to create a function that takes in two arguments where the first is a sequence(string) of letters. The other is also a string but of integers, that tells me start and stop that I want to cut out from the …

Hey I have been kicking myself with this problem for a week now and i was wondering if anyone can help. I am implementing cURL to fetch source code from a website. I am using fairly common code to do so. If I implement the functionality in my main.cpp, it …

plz... can anyone help me by giving code for calculating max error of u=(5xy^2)/z^3

i need to print the file names of all files having .txt extension of a given directory after converting to uppercase letters. The input (directory name) should be given as command line argument. The script will also check whether sufficient arguments are passed or not and whether the argument is …

I have been a histogram assignments to do in C++ although i kno how to do in Visual Basic. I have tried to do it in C++ but it seems ive missed out a few steps. below is what i have done so far, please correct me where am wrong. …

Im Talken About The Basic (As in Simple not BASIC) DLL not Win32/OS/2 Kind. I Want The Dlls for the program to be in the 'bin' Directory thats is in the same folder as the .exe. Is there a simple (Not Moving Kansas) way to do this?

can some please explain what are command line parameters ? i read many books, read online didn't understand anything on what they are and when or how to use them. :(

hye..can somebody help me with these problems as soon as possible?? really need your guys help Create a phone book program that allows users to enter names and phone numbers of friends and acquaintances. Create a structure to hold contact information .The user should be able to add phone book …

Well anybody pls try this: i will give an address that is 0xB8000 Now u write a function in which we can write a string and define its colour so you write the string in that memory area and increment it, and again write the colour info in that area …

Hello, i would like to ask you help with my code, i can't understand why exactly it doesn't work like i am expecting :). I am working through "How to Think Like a Computer Scientist" by Jeffrey Elkner, Allen B. Downey, and Chris Meyers so i am still doing my …

I'm trying to create a struct for an 8 bit signed integer, seeing as how I'm creating a calculator it would be useful. Windows' calc.exe has this set up as precision for Qword, Dword, Word, and Bytes. I have 64, 32, and 16 because they're already programmed into Visual C#. …

I am doing some hobby coding regarding neural networks, and I was wondering if this is a correct and good use of abstract base classes or not. [code=PYTHON]import abc import collections import math import weakref class AbstractNeuron(metaclass=abc.ABCMeta): def __init__(self, weights, f=math.tanh, bias=1, biasWeight=0): self.weights = weights self.f = f self.bias …

Hi, I'm making a scoreboard for a simple word-game. The easiest way for this seems to be a JTable. I need both column headers and row headers, I believe this is achievable in JTable? For each game, the column headers should represent a random selection of predetermined categories, and the …

Hi All, I want to build my final year project in human resource management system in C#............. But after a lot of search on the web i didn't find any source code for it to develop.... kindly give me some references that make it easier for me to develop my …

hy all, i'm trying to make a simple web browser using windows forms to connect to an FTP server. Everyting works ok. the problem is when a try to enter into a folder the Iexplorer opens with the content instead of the same program window. i have searched for a …

Hi, I'm pretty new with c#. And i'm learning now about delegates. I understand what they are (i think...) and how to use them. But i don't understand why would I need \ want to use them in the first place ? from what i get (which is probably wrong) …

I've been reading on these for some time now, and as a long time code maker for video games I have a completely different look on them since back then I was just going by what I was teaching myself. But I'm wanting to know how to assign the pointer …

I am aware of the MouseInfo.getPointerInfo() method, but you can only get the mouse location using this. However, I also want to know the buttons pressed (specifically just the BUTTON1_DOWN_MASK), without any events. This is because the program will ask the user to create a rectangle by dragging the mouse …

This is a strange question, but it's very frustrating to me. In microsoft visual c++, when I open a cpp file, I can not compile it. Is there a specific way to open the file so that I can run it after opening? Thanks.

i have a problem with this code: [CODE]s = "johnny" j = 'j' y = 'y' re.search(rj'\w+'+y, s).group[/CODE] i want to put the j variable instead of the string, with the y variable its ok but with the j i got an error!!!

How do I get the console from closing immediatley upon opening in a Console Application program? I have all of the code written but when I run the program it pops up the console window and then immediatley exits so I am unable to read what is in the window …

hi guys:)if i have three lines saying "line1","line2"and "line3" and if i want to modify the first line to "line1 ok", the second to "line2 ok " and replace in there original location so i will have "line1 ok",line2 ok" ,"line3" for each line after modification.what should i do to …

Hi all In the following Sub I'm sending an Attachment when the email has been sent I would like to delete the attachment but I get an system.IO.IOException Error. the file I'm trying to delete is being used by another process. How can I detect if the process has finished. …