Software Development Forum

[ICODE]public static void main(String[] args) { Scanner in = new Scanner(System.in); System.out.print("Input an integer: "); int n = in.nextInt(); int d = 1; int temp = n; while (temp > 9) { temp = temp / 10; d++; } System.out.println(n + " can be expressed in " + d + …

Hi! There is JTree component that I want to fill from the database. New nodes can be dynamically added to this tree. I need a procedure that will recursively traverse a tree. My problem is that [B]all nodes are added to the root node[/B], and sub-trees are not created. I've …

Below shown is a simple C Code. The code which is troubling is in commented area (please remove comment symbol to run those lines, comment symbl is just here to highlight them), here there are two printf's in comment area......... the error is that both are getting executed continuously without …

I'm trying to write a program that will accept input from the user as sales, then it will total the sales and display both the total and the sales tax (total multiplied by .0825 [CODE] #include <stdio.h> #include <stdlib.h> #define SIZE 9 int main(void) { /*initialize */ int a[SIZE]= {0}; …

Hi all, I am just learning DMA, and am supposed to write 2 functions utilizing the offset technique, such that a 2-D array starts and ends the index of each dimension as the user specifies. matrix(): creates a 2D array of float type numbers, indexing from -n to n for …

[CODE] <Window.Resources> ... ... <DataTemplate DataType="{x:Type my:Section}"> <StackPanel Orientation="Horizontal"> <TextBlock Text="{Binding Path=Name}"/> <TextBlock Text=" "/> <TextBlock Text="{Binding Path=Instructor}"/> <TextBlock Text=" "/> <TextBlock Text="{Binding Path=Cours}"/> </StackPanel> </DataTemplate> <DataTemplate DataType="{x:Type my:Instructor}" x:Key="InstructorDataTemp"> <StackPanel Orientation="Horizontal"> <TextBlock Text="{Binding Path=FirstName}"/> <TextBlock Text=" "/> <TextBlock Text="{Binding Path=LastName}"/> </StackPanel> </DataTemplate> <DataTemplate DataType="{x:Type my:Cours}" x:Key="CourseDataTemp"> <StackPanel Orientation="Horizontal"> <TextBlock …

Hi there, I am new to C++ programming. What I want to do is, after I browse for a file using openFileDialog and after transforming the path from a System::String into a Char * what I want to do is to use the file`s path to open that file, but …

I have an application that allows the user to open a file by clicking file -> open. The thing I'm trying to do is read the text file...but I don't know how to assign the user defined text file that the user opened to an object. I guess because I …

Goodafter noon all, i would like some help on how to modify a python program to do the following: 1. Read both files actors.small.list and actresses.small.list and, using a dictionary, build a database that maps from each actor to a list of his or her films. 2. Two actors are …

Alright im trying to write a fairly simple c program that will accept input from the user for both a number and a power to raise it to then display the result, it works up to the input part but the result is always some crazy number, im looking for …

[CODE]#include <iostream> #include <string> using namespace std; int GCD(int x, int y); int main () { int ans, num, a, b, c, d, e, f, g, y; int h = 0; int w = 0; char ans2; char ans3; cout << "[1] Math algorithms " << endl; cout << "[2] …

i need the code to ask the play for a guess with a call to ask_number() here is my code i have a problem in that it won't run can somebody offer me some help? thanks [CODE]import random secretNum = random.randrange(100)+1 tries = 0 while tries < 5: try: def …

Hello - I have created a program which calculates the value of PI. All the calculations work well but the aim of the program is to get the user to input a number - say 7 and my program will print the value of PI to 7 decimal places. I …

hi to everyone. I am new in this kind of programs. so pls help me. i want a code that i can put into one of the column in datagridview. the scenario... if the message is active in the column of datagridview it says active. if the message is deleted, …

Hey guys! First post here. I'm new to VB.Net programming, so I decided to make a small app that runs another app with arguments. I think the best way to do it was selecting one option from a dropdown menu and using this option as an argument to run the …

[CODE]import java.io.*;public class Ex9a{ public void rollBack(BufferedReader in) throws IOException{ String line=""; if((line=in.readLine())!=null){ rollBack(in); } if(line!=null&&!"".equals(line)){ System.out.println(line); } } public static void main(String[] args) throws FileNotFoundException{ PrintStream out; Ex9a t=new Ex9a(); out = new PrintStream(new FileOutputStream("outfile.txt")); out.println(ioe); out.close( ); String fileName="infile.txt"; try{ BufferedReader in=new BufferedReader(new FileReader(fileName)); t.rollBack(in); }catch(IOException ioe){ System.out.println(ioe); …

[code=c++] #include <iostream> #include <fstream> #include <cstring> #include <string> #include <stdio.h> #include <stdlib.h> #include <limits> using namespace std; void call(int i, int * test) { cin >> test[i]; } int main() { int sizeOfArray; int *temp; int i; cin >> sizeOfArray; int * test; string * command; command = new …

Hello, I have about 500,000+ txt file for about 7+ gigs of data total. I am using python to put them into a sqlite database. I am creating 2 tables, 1. is the pK and the hyperlink to the file. For the other table I am using an entity extractor …

Ok, here is the loop from my code, a for loop inside a do...while. The title is a tad misleading, I couldn't edit it though. Probably not the most efficient coding to do what I want but I have no errors and it is so close to working. When I …

im a newbie to python still so bare with me if i have gone down the wrong route or my explanation is confusing!! any ideas on how i can sort my list by the size of the file at the moment it is getting the size of the file and …

I am trying to write \r\n as a string but when i do it apears as a newline. Here is the code i am using : [CODE]textBox1->Text="test"+"@\r\n";[/CODE] but it shows as : [QUOTE]test@ [/QUOTE] how would i let it show as [QUOTE]test/r/n[/QUOTE]?

Hello, I would like to modify a value that is in a window of another application using Windows API. I am trying to use Spy++ to determine the particular handle/class, but, I haven't any luck. Attached should be some pictures. One is a snapshot of the window I want to …

hi! any body tell me any easy matrix program which is correctly working. please..... i am new in c#.

Vector v = new Vector(); i<10; v.add(new Integer(i));// what does this lien do? I dont understand, what does calling (`new Integer()`) do? Is is calling the constructor and passing the value i in it. Why can't we just pass the value i directly and add it in the vector.

I made a second form but whenever i try to put it in my project i get lots of errors. I am just puting : [CODE]#include "Picture_viewer.h[/CODE] but i am getting list of errors : [QUOTE]1>C:\Program Files\Microsoft SDKs\Windows\v6.0A\include\objidl.h(5934) : error C2872: 'IDataObject' : ambiguous symbol 1> could be 'C:\Program Files\Microsoft …

Hi, I want to draw some rectangles with the same size and different colors by using an array but don´t know exactly how to do it in the for-loop. Thanks for help! [CODE]class Figure { private: int **figur; int row,col; public: Figure() : row(5), col(20){ } void allocate_place(int r, int …

Hello, hopefully someone would be able to help me with this project I am working on. I have two classes now RationalNumber and Term. The RationalNumber class works fine when I invoke it directly to create a fraction. The Term class was created to leverage the RationalNumber class to create …

Hello, I'm trying to open a file from a folder called "Assginement" however, when the program get's released, it might not be in a folder called this. What could I do? I've tried everything. The other problem is that it creates a file a file, and places it within the …

We are going to make a system for computer using visual basic where the server pc can able to schedule what application you may want to run at a certain time, like photoshop, microsoft office, paint, autocadd, etc.. Then when the time is up, the client pc will automatically shutdown …

hi guys i have a little problem. I need to access a database using vb.net to create a shortest path solver using vb.net. Say for example the shortest route for a product being sent from london to moscow. I can acess the database but dont know how to sort the …

do comments in code affect the Programs efficiency or it slows down the processing or reading of the code?? does it have disadvantages? In our program, we are not allowed to delete the past programmer's code when we have modification, we just have to comment it.

Does anyone know of a component to allow programmatically reading a PDF?

Ok, so I have to write this program that reads #'s into an array, such as grades... The program must have: * Read and Print the Numeric Grades * Declare an array of characters to store the character grades associated w/ the numeric grades * Translate the numeric grades into …

I need to do a program about: ask the user keep typing word until the word "stop" has been typed. my teacher said we need to add a class called Input. and he give the code to me. I have no idea how to use this code..any one can help? …

I have a question. I have a listbox. In it is a list of cars, and another listbox has a list of customers. On another form, I have combox boxes. How do I write the data from the list boxes into the combo boxes, so that whatever data is in …

Good day to all, Im creating a computer laboratory admission system, and one of the functions of my program using a bar code reader, this how the system runs, assuming that mr. villa has the bar code and the code is 00123456789 then after you scanned it, it will look …

Hi i am using a data grid to view information now i want to select the current row that is displaying the data and just populate one text box or numericupdown with a value the datagrid displays 3 columns that is: Invoicenumber, amount and balance now i want to load …

[code] using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using System.Diagnostics; using System.Xml; namespace Shortcuts { public partial class Form1 : Form { public Form1() { InitializeComponent(); } public string FileLocationToRun; private void button1_Click(object sender, EventArgs e) { OpenFileDialog fdlg = new …

Hi. Let's say I need to encrypt/decrypt 5 different files in my program (using AESManaged). Do I have to generate a new IV for each file and do I need to save the IV every time? If I always use the same IV will that reasonably lower the security of …

Hi guys, i want to call a data from a database.. here is my code [CODE] string selectuser = "Dior"; string dbconnection = Application.StartupPath + "\\Database1.mdf"; SqlConnection conn = new SqlConnection(dbconnection); conn.Open(); SqlCommand command = new SqlCommand("select username, nick from [user] where username=@user", conn); command.Parameters.AddWithValue("username", selectuser); SqlDataReader reader = command.ExecuteReader();[/CODE] …

Hi there all I have to write a small interface where I can read text files from a location and edit them. My aim is to have a small GUI, in that GUI there will be a combo box where I select the text file. when selected the info in …

Can anyone explain why btnHandler would throw an error "Column 'Price' does not belong to table" and how to get the btnHandler class values into the Form? Thanks, [CODE]//This is the main form namespace TestProject { public partial class Test : Form { public DataGridView GridView1 = new DataGridView(); public …

Hi there, This is just going to be a quick question. Also just note that I am i some "remote location" so I cant even show you my code. But what I want to know is this: Say you have a package called "myPackage" and inside that you have 2 …

for example my array is test[10], and i want to clear 2 of the 10 memory, how to do that??

I have table name Logs with a field name user , login, logout. Once the user log his/her name is being inserted to the db. My question is how i can update/insert the date to the logout field of the current user whose using my application? And can someone give …

Hello, I would ask if there is a possible method that would return a String in JAVA that I can retrieve the SQL code of any table on my embedded JAVA DB in my application. It is like the function of the phpmyadmin where in you can import a certain …

I'm supposed to create methods, but I don't know how to :(. All inputs and outputs should be done in the main method and calls to the methods should be done for computation. Can someone please show me how? Thanks. I have to do it on this program: (Actually there's …

Ok, I have been trying to write a program that will read in a list of positive integers (including zero) and display some statistics regarding the integers. This is what I have to do, [ICODE]After you have placed all of the integers into an array, your program should perform the …

Hi, I would like to FTP a file that only part of the filename is known. The name is something like “ClimateData2010042207XXXX.xls” performing the following does not work: [CODE] FTPClient client = new FTPClient(); FileOutputStream fos = null; client.connect("ftp.domain.com"); client.login("admin", "secret"); String filename = “ClimateData2010042207*.xls”; fos = new FileOutputStream(filename); client.retrieveFile("/" …

could anyone describe to me how to implement a stack using two queues. just cant get my head round it.thanks to anyone who helps.