Software Development Forum

Hi I am new to C++ and I just need some advice on declaring dynamic arrays. Take for example this code block: int a=0; cout << "Enter Arr size: "; cin >> a; int arr[a]; My compiler gives no error doing this but looking around the web I see many …

I'm causing input letters to write ones into variables through an array. I'm trying to count the occurences of ones in a variable. Lets say I input aaaaa. The count output displays 12345. Instead of outputting the whole count of numbers, I want to output the biggest number in the …

Hi, I write some data(Hello) in a file copy.txt. I read from the file copy.txt to convert the text "hello" to ASCII and then i store it in another file copy1.txt. It saves the ascii like this in the file copy1.txt: 104101108108111. Below is the ascii of each character: 104 …

Hey, I posted earlier about arbitrary expressions and I did find solution to that. The question is how do I create random expressions? So far I've created codes to generate random operators and random numbers, how will I generate random expressions? E.g. a1,a2,a3 are variables for random numbers I've assigned …

I wonder if I should continue to get a degree in software engineering because I think the work envoirments are a bit to much centered around verbal and direct communication for me. I'm not a very good verbal communicator and in agile teams this seems to be a very important …

#include <iostream> using namespace std; class Lists{ public: void insert_head(int insert); void remove_head(); void insert_tail(int insert); void print(); Lists(); private: Node *head; Node *tail; }; struct Node{ int data; Node *link; }; int main() { Lists temp; temp.print(); return 0; system("PAUSE"); } Lists::Lists(){ head = new Node; head->Link=tail; tail->Link=NULL; } …

i have a 1 listview with the records from my ms access datebase. Can you help me to work with the button than can search all the records in each cell / subitems on the listview? THAnKS godbless :)

Hi guys, I am trying to write a program that will ask for users name, birthdate and pet and from those info I need to use a random number generator to select 6 char from the name and animal and 2 numbers from the birthdate. This is my code to …

Hi Guys, Currently I have a form that load an XML file and populates Text Boxes with certian Values from that XML. I also have an 'Admin' form which accept new values. What I am wanting to do is the following: When the Admin screen is loaded from a button …

I have a code which gives the maximum value I can get by filling the knapsack with the optimal set of weights. int arr[5] = {0, 0, 0, 0, 0}; int Weight[5] = {2, 5, 8, 7, 9}; int Value[5] = {4, 5, 7, 9, 8}; const int n = …

Dim ADP As SqlDataAdapter = New SqlDataAdapter Dim CONN As SqlConnection = New SqlConnection("Data Source=|DataDirectory|\dbTesting.sdf") Dim COMM As SqlCommand = New SqlCommand("SELECT * FROM tbTesting") Dim DS As New DataSet CONN.Open() Dim DR As SqlDataReader = COMM.ExecuteReader() DR = COMM.ExecuteReader() TextBox0.Text = DR("Test").ToString This was my coding in order to …

Hello, Can someone help me please. Ive got a listview with the columns etc, when i save a form and it shows up in the listview with some items in the columns, how can i get a textbox to add a number each time a row is entered. example: I …

I am responsible for developing and maintaining a widescale CRM platform written with Visual FoxPro 9.0 (sp2 SEDNA). Alongside a SQL 2008 back end, I make extensive use of the Microsoft Common Control libraries for the purposes of providing TreeViews, ListViews and the like (the kindof theing that VFP does …

Hi! I have a real simple problem :) I wrote an application in VB.NET and I need to loop through multiple files. Now my code looks like this: [code] Private Files() As String = System.IO.Directory.GetFiles(My.Application.Info.DirectoryPath & "\Data", "*.spe") [/code] which allows only one file to be opened. I have 12 …

How many software engineers here telecommute?

i wrote and compiled an vb 6 program on a windows xp sp2 box i am trying to run the program via a batch file from an nt box i get this error: runtime error 91: object variable or With block variable not set the program runs under the scheduler …

#include <stdio.h> #include <malloc.h> struct node { int data; struct node *link; }; void append (int data, struct node **s) { struct node *p, *q; if (*s == NULL) { p = (struct node *) malloc (sizeof (struct node)); p->data = data; p->link = NULL; *s = p; return; } …

hi i need a code for update a record in vb6 i am using ms acess and ado

hi how do i create a contaer class for a processors in C#?

Hello, I am currently writing a card game in Java. My question is when I write the follwoing code below: `Inline Code Example Here` 38 // select a random number between 0 and 51 39 int second = randomNumbers.nextInt( NUMBER_OF_CARDS ); Will the program properly generate 52 cards? Should I …

can anyone help me to make a program for multiple choice test using visual basic and ms access???pls ..

Hi Guys, I've been working on a little something where details get put into an XML File and then squirted into another form which has been working fine. I've now added another section to the XML file to hold the Company Name and it gets written to the XML without …

How to i write a c# programme to store data into a text file using C#? using System; using System.Collections.Generic; using System.Linq; using System.Text; class Contact { string Name; string Address; string Email; string PhoneNo; public void AddContact() { Console.WriteLine("Enter contact name"); Name = Console.ReadLine(); Console.WriteLine("Enter contact Address"); Address = …

using System; using System.Collections.Generic; using System.Linq; using System.Text; class Contact { string Name; string Address; string Email; string PhoneNo; public void AddContact() { Console.WriteLine("Enter contact name"); Name = Console.ReadLine(); Console.WriteLine("Enter contact Address"); Address = Console.ReadLine(); Console.WriteLine("Enter contact Email"); Email = Console.ReadLine(); Console.WriteLine("Enter contact PhoneNo"); PhoneNo = Console.ReadLine(); } public void …

I am not to sure what the error is in my code but the order variable does not seem to initialise properly and hence my gui displays the wrong output, for example when cheese,tomato and chicken are selected it only displays Chicken with Tomato Tomato $12.75. Any help will be …

I've been working on this code for 2 days now and i finally think i got the while loop running correctly but now i cant seem to print the child process id's. The code starts with the parent process forking 3 child processes. Then the parent must wait till a …

hi all i would like to ask...ermm i have an erorr it say that my winscard.h no such file or directory...when i search it in my include folders there is no winscard.h in that folders..so...what should i do..is it somekind relate to the pcsclite.h ??? do i need to install …

A corporation has six divisions, each responsible for sales to different geographic locations. Design a DivSales class that keeps sales data for a division, with the following members: • An array with four elements for holding four quarters of sales figures for the division • A private static variable for …

I am building an application that calculates travel time necessary to reach a user selected destination from predetermined city based upon an estimated travel speed determined by the user. For this program I am to utilize classes/class source files. When compiling my source file I continuously get the error “undefined …

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 …

Hi, I'm new to python and I am trying to write a 'Guess the number program'. I am however getting the following error message: Traceback (most recent call last): File "C:\Users\fdama\Documents\python\GuessMyNumber.py", line 8, in <module> guess = false NameError: name 'false' is not defined I don't know why I am …

I'm totally lost. I have a programming partner and this is what he sent me. I can't get the program to compile. I don't know where to start. Any suggested place to start? package Assignment2; public class TooBigException extends Exception { private static final long serialVersionUID = 1L; public TooBigException(String …

This might be a general math question, so excuse me if it doesn't belong here. I have an airplane that flies around the screen. Pressing the W key will make it counterclockwise, and pressing the S key will make it rotate clockwise. When I press space, it shoots bullets. However, …

I would like to know what tool/class should I use to create a map that used for games? such example: user use key to move an object...and if moves then the more map will shown ... I admit, I did not do much research on this.. but I wanted to …

Hi, i need help when i press the save button on a form that i have created (i have no save dialog etc yet) then it saves that form with all the information in their corresponding boxes when i open it again. Example: I fill in the form then i …

I keep getting a NullReferenceException. Any help would be great! Private Sub fillpub(ByVal argPubID As Integer) Dim drpub As _books_Fall2012_A2DataSet.PublishersRow drpub = _books_Fall2012_A2DataSet.Publishers.FindByPubID(argPubID) If drpub.IsNameNull Then txtPublisher.Text = "" Else txtPublisher.Text = drpub.Name End If If drpub.IsAddressNull Then txtAddress.Text = "" Else txtAddress.Text = drpub.Address End If If drpub.IsCityNull Then …

Hey there, I need help writing a python program that takes your input and gives it back in a pig latin type way. This is what i got so far: [code=python]running = True while running: word = raw_input("Enter word:") if word[0] in "aeiou": print word + "way" else: print word[1:] …

Hello, I wanted to know whether its possible in VB.Net to use a string as an object name. Lemme describe my problem. I have four radio buttons - p1,p2,p3,p4. Now i want to check whether these buttons are selected or not, for this thing would have to use for if …

Hi every I'm new here and new to programming. : ) Here is a practice assignment I have completed but seemingly not correctly. Can anyone offer advice as to my error? It compiles correctly but using some test numbers I only ever recieve that the circle has no x intercepts …

hi everyone i have a problem with this code below. when i try to read all the files in a directory i can but when i try to put them in a vector, it doesn't work, all the elements in the vector become the last element added. I'm not sure …

Problems clearing and adding items to Jlist box. I have a set of 12 items stored in each record of a database. These record items are named as follows: LANGUAGE1 LANGUAGE2 . . LANGUAGE12 I have no problems in accessing the database. rs.getString("LANGUAGE1") and so on.... I need to clear …

Hey Guys, Im new to learning java and I am writing a few programs for practice. I cant figure out whats wrong with my code. When i try to compile i get an "error . class expected" Any advice is appreciated, thank you. import javax.swing.JOptionPane; public class TuitionCost { public …

Hi, I have a sytem path like "C:\Users\ABC\XYZ\1.txt". I need to convert this to 'C:\Users\ABC\XYZ\1.txt'. Any help is appretiated. Thank you.

I am working on grid view in c#. I want to attach a key press listener with grid view to dectect up and down keys. I tried "Editcontrol" but it didnt worked. Also "Keypressed event" with grid view , it also didnt worked. Before that I used "Mouse Event" and …

Hi, I am trying to display the contents of a vector. The vector is defined from a class I created. I seem to be only storing the most recent values in my vector. I am not sure where my logic is incorrect. I am trying to store multiple objects in …

Hi. I am pretty new to C++, and trying to understand how to use switch and case statement. So I was practicing with some bubble sorting algorithms, and it seems case 1 and 2 is not workig in my code. Can someone figure out why it's keep breaking please? The …

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 …