Software Development Forum

How to make Ctrl-Z work with xterm -e "ping localhost" there will be a child process but how to pass the Ctrl-Z to that process? I tried Ctrl-C and S and Q they are working fine...

I dont know the code! PLS HELP!!! I want to create a program that scan QR Code and Display the value in a textbox in VB.NET

Hi guys, I'm having some problems with sum of array values and I hope you can help me out. I have a form from which there are multiple values added and saved to txt file. Than on button click, these values are read from txt file to array and shown …

I've made a rectangle with another 3D point inside. The rectangle is textured with an image. Now, I need to move the point that is inside the rectangle to another 3D position. Does anyone knows how this is possible? The only way I found, that is no good for what …

I'm trying to design a lambda function that returns any line in a file that begins with any digit [0-9]. The point would be to return the whole line if it does, and skip any line if it doesn't. This is for log analysis where I want all the lines …

I am using Visual Basic Express 2010, just normal windows forms. Anyway, i want a label to display the current memory usage, for example my computer is using 47% of its memory. I want to know how to make a form to display that and if possible, display the amount …

hellow guys...im new and i want to learn VB programming language..where and how can i start learning? can u give me a sample code for begginers? thanks!!!

Hi, > I want to know how to store and retrieve picture path from sql server. Can anyone show me the code please.

while loop or doo loop the output should be like this 1 12 123 1234 123 12 1 and 1234 123 12 1 12 123 1234 tnx

Hello everyone!i'm new here and in c++ programming.I've wrote about 30 small programs and when i close the program and want it to run after, it compile well but when i'm waiting the answer, it comes and goes fast.i've tried to put cin >> a; as told me someone to …

Hi! To Everyone! Could you tell me how I can use GCC with that file comunicatoin, because : g++ main.cpp program1.cpp -o program1.exe - not valid - It didn't saw program1.h and all declaration in him. I had the task : Write a program that prints the numbers from 1 …

A pseudoperfect number, sometimes also called a semiperfect number (Benkoski 1972, Butske et al. 1999), is a positive integer such as which is the sum of some (or all) of its proper divisors, A pseudoperfect number which is the sum of all its proper divisors is called a perfect number. …

Hi Dw. I'm developing a system using c++ for the XFS. I've followed the documentation on how to install the SDK but the problem is that I've successfully installed the SDK but when I start to create the sample, when I try to put the required includes they are not …

Hi, I've been trying for days now to figure out a way to open a local file in WebBrowser, in an Input File, without using a file dialog. I want to be able to submit a filename stored in a variable to the <input type='file'> without triggering a dialog box …

Please help me in this code http://www.cplusplus.com/forum/general/140501/

how to compute the area of a circle

On a phone keypad, each of the digits 2 through 9 has a segment of the alphabet associated with it. How does one write a program that displays the associated numeric digit given an alphabetic character.

I'm really new to programming, and I really only know web scripting. But I want to excel in programming. Anyway, what languages would be used to create something like adobe photoshop? I've created about 2 programs using c++, but they're like those tutorial things where they run in DOS, and …

I want to create MP3 file from binary data in python.

Can you initialize (easily/simply) a vector with multiple values? Like an array:`int fu[] = {1, 3, 4, 5, 6}`

hi :D We've been asked by our instructor to create a program that will accept your birthdate and display the chinese zodiac sign and its description using *switch* statement. Should i have to input all the possible birthdays ?or is there a shortcut for this? by the way we are …

I've made a timer and six labels. Then a number is being generated for each label seperately. After testing how it works, I found out that sometimes two same numbers are being generated at the same time. In the picture attachment you can see how two numbers were generated at …

what is the basic use of keyword return? if we donot use it what is the effect?

hi can any one know how to program in c++ the *143# in globe all iknow is u can use if else conditional statement!! tnx in advance

Hello all, What I am doing is the following: 1. Receiving an expression 2. Instantiating Variables 3. Convert the expression from infix to postfix 4. Evaluate the expression. Now, in my evaluate function the following operators are working: + - * / and ^ I am having trouble to get …

How would I get a list of all ip addresses that are on a network using python.

Hi! Can someone explain to me this set of codes? i've been converting numbers to roman numerals using those codes, but I don't quite get it, or maybe something is wrong with the codes? Private Function FormatRoman(ByVal n As Integer) As String If n = 0 Then FormatRoman = "0" …

Hi guys so I just finished all the basic tutorials on C++ on this channel [Click Here](https://www.youtube.com/playlist?list=PLS1QulWo1RIYSyC6w2-rDssprPrEsgtVK). I don't know if its any good but it started me off. But now I have watched everything and I am wondering where to continue and I decided to ask here. Any good …

Why do we use interface references to call methods of an object? For example: class Program : Iabc, Idef { static void Main(string[] args) { Console.WriteLine("Hello interfaces"); Program refProgram = new Program(); Iabc refiabc = refProgram; refiabc.xyz(); Idef refidef = refProgram; refidef.pqr(); Console.ReadLine(); } public void pqr() { Console.WriteLine("In pqr"); …

Does anybody out there still use COBOL? I know COBOL very well.

Can someone help me about converting numbers to roman numeral 1-999 via switch statement ? please help me !

Uhmm. I need help! I need a code in our case study. And I don't know how to start it. Please, someone help. I need to pass this on thursday, August 21 2014. Huhu :'( I really don't know. I'm no IT/CompScie or whatever computer related courses but I have …

I've written this function to take a list and shift each member right by the number supplied as the offset. I want to preserve the supplied list and return the shifted list. My problem is that the function modifies the supplied input list itself as well as returning a new …

im using windows 7 64bit along with codeblocks and mingw and im trying to use non standard c++ libaries such as SDL , allegro and sfml but when i link them and try to compile the examples some work and some dont i wonder what i did wrong ? I …

Develop class Polynomial. The internal representation of a Polynomial is an array of terms. Each term contains a coefficient and an exponent. The term 2x 4 has the coefficient 2 and the exponent 4. Develop a complete class containing proper constructor and destructor functions as well as set and get …

Hi, I have been looking for several hours for code that automatically checks if Microsoft acess database engine is installed. If not it reinstalls the database driver by first detecting architechture(32/64 bit). It then automatically installs the driver. I am using Ms Access database 2007 as data source for my …

//here's a singly linked list program with functions. However, I don't kbow how to add function #7 wherein //the position of the maximum number in the list should be displayed.. :( import java.util.Scanner; class Node { protected int data; protected Node link; protected int next_num; public Node() { link = …

I hear that the new version of Java, Java 8, does not support a way to connect to MS Access database... I have a rather big problem in this case as I created all my databases with access (And im not porting them to SQL). I wanted to update my …

I'm making a student system with console based java. I'm trying to load a text file's content to an ArrayList and later on search with a student registration number and list down his/her name and program. I'm having a hard time loading the text file contents in an ArrayList so …

Runtime r = Runtime.getRuntime(); Process pr = r.exec(cmdString) I can get the prompt result when I try "cmd /c type f1.properties", however, when the size of file is larger the command will hang and no output I could get and no exception occurred. Is there any limitation for java to …

I have an assignment that requires me to make a code to basically have the user input 5 letters into an array. The five letters then have to be checked against themselves for duplicates and they have to be letters. I am the worst at doing this, i will say …

hello.. I am trying to write a code which can ping multiple ip addresses and depending on the reply print whether the server is on. My approach is to save the addresses in an array, then ping them using a for loop. I am not sure about the data type …

A need a program that will ask the persons age , type of car needed and the number of days the car is needed. if the driver is <= 25 years of age than 20% surcharged

I faced a NullPointerException for below code. What is the cause? import javax.swing.*; import java.awt.*; import java.awt.event.*; import net.sourceforge.jdatepicker.*; import net.sourceforge.jdatepicker.graphics.*; import net.sourceforge.jdatepicker.impl.*; import net.sourceforge.jdatepicker.util.*; import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; public class selectDate extends JFrame implements ActionListener { JLabel CheckDate; JButton check; public UtilDateModel model; public JDatePanelImpl …

Hello guys, I'm new here and with C++ and i have a problem if you are kind to help me. Me and my friend have created a small program that download yt videos and upload them on specified yt accounts entered by us, when i hit run it opens 50 …

Hello I am using the following try | catch to locate an error: Try Using conn As OleDbConnection = New OleDbConnection(System.Configuration.ConfigurationManager.ConnectionStrings("students").ConnectionString) Dim Sql As String = "INSERT INTO university (username,[password], strEmail) VALUES (@username,@password, @strEmail)" Dim cmd As New OleDbCommand(Sql, conn) conn.Open() cmd.Parameters.AddWithValue("@username", username.Text) cmd.Parameters.AddWithValue("@password", password.Text) cmd.Parameters.AddWithValue("@strEmail", strEmail.Text) cmd.ExecuteNonQuery() conn.Close() End …

hi,I have a classB which is in location "test\folder1\generics1" and Class2 which is generic class in another folder for eg test\folder2\ and when i create object for class2 which should be able to acces class1 method which is MethodA() please advise.Thanks in advance namespace generics1 { public class B { …

I'm simply trying to keep a log list for my application events. I'm trying to send text to the log from a seperate thread with the following code: Imports System.Threading Public Class Main Private worker1 As Thread Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load worker1 = New …

Does anybody know a good book, are a good website to learn perl. Anything is appreciated.

Guys help me out with a .py code that will enable a user to upload data(images,mp3,AVI etc) Your will be appreciated. thank you