Software Development Forum

Hi, I began file I/O and I did exactly what it said in the book I was using and it doesn't seem to work for some reason. Am I doing something wrong? [CODE]#include <iostream> #include <fstream> using namespace std; int main() { ifstream fin("hello.txt"); if (fin.is_open()) cout << "It's good"; …

Can someone please help me with this code? I have already taken out some of the errors, and my instructor says to make sure my brackets are enclosed. When I do this though I get more errors???Help!!! #include <io> #include <string> #include <iomanip> using namespace std; //Global Declarations of Variables …

This is my assignment Get Monthly Income Get Monthly Home Rent/Mortgage Get Other Monthly Payments (alimony, child support, student loans) Display Allowable Monthly Car Payment Display Maximum Car Value (interest rate based on credit) A customer can not exceed a debt load of 36% of their gross monthly income including …

Hi, I have created a bubble sort as a function in C. It sorts an array of numbers. I am not sure how to print them out though(SORTED). Thanks

Hi ~ As you can see from the code below I am in school for programming. I have come across this homework assignment a few times on the site already however the requirements for mine are different. I cannot use arrays. Three functions - I only have two coded. The …

I'm trying to write a program that outputs the cent symbol (¢) in Visual Studios 2010 and when I copy and paste the symbol into my text it outputs a completely different symbol. I've also tried using \u00A2 and I still get a different wacky symbol. What is the C++ …

I have a class which extends JDialog which by default has some text on it and a couple of buttons. Most of the instance of the buttons are "Ok" and "Cancel" so the two buttons have their bounds set. If I try to change the label on the Ok button …

How do I display the results of list<t>. I put rangeChecker objects in range and now I want to display the rangeChecker objects in range. How whould I do that? [CODE] static void display(RangeChecker[] rangeChecker, int SIZE) { //displays values for x, y, z, and how many times z was …

Hello, I'm working on a project that once ran (the main window) becomes maximised and then another window (Form2) pops up allowing the user to login OR register. I have created the main project and added a form (called form2) but when I try to display Form2 when Form1 loads …

I'm attempting to recreate the Unix shell program "todo.txt" using C++ on Windows. An example use of my program in the Command Prompt would be: [CODE]>todo /A "I like cheese."[/CODE] which would append the item "I like cheese." to the file "todo.txt". In my program, there is a line which …

am trying to create a new class for a binary search program in c# I keep getting this compilation error [COLOR="Red"]A namespace cannot directly contain members such as fields or methods [/COLOR] here is my code [CODE]using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace ConsoleApplication1{ // Create a new …

Hi everyone. Please I'd like to know if anybody has encountered this problem before. Here's the scenario. I've got a datagrid view Bthat is a child table from another table A. one of the fields is the productID which I have bounded to the Product Table to display the name …

Good evening! So I've been trying to get my head around these classes and it's not going well. From what I've understand I've been calling functions correctly, but for some reason the members I'm creating are not being accepted. [CODE]class TheData { public: void InputData(); void DisplayMembers(); TheData(); ~TheData(); protected: …

Hello again everyone, I have just finshed a neat little c++ program, but now I just realized that I don't know how to save the file as an executable so that I can use the program on any computer whether or not it has a compiler. Please Help. PS: I …

Hello, I'm a biologist trying to do some bioinformatics, so new to Java and new to this forum. I've searched all over the forum for previous threads on this topic, but can't find an answer that has helped me. Apologies if I've missed something already posted that may help solve …

Hello again: I am having trouble declaring my variables. Can you please show me what I am doing wrong. The homework problem ask for me to use the "if" statement also, kinda having a few problems with that. Please see the question and my code below. Thank you for your …

I have this button in Form2 that when is clicked, a string value is passed back to Form1 and it is displayed in a textbox. [CODE] public partial class Form2 : Form { double a, b, ave; string stype; Form1 frm = new Form1(); public Form2(double x, double y) { …

Hey there. i have a listbox thats databound. Now i want to select in that massive list, lets say a sting "dog", i want it to hightligh that word in there. But i cant seem to get it to work with this databound listbox. Coz i know how to do …

I don't know why. At all. Just that it won't repaint! My code: [CODE]import java.awt.Graphics; import java.awt.event.KeyEvent; import java.awt.event.KeyListener; import javax.swing.JFrame; import javax.swing.JPanel; @SuppressWarnings("serial") public class Frame extends JFrame implements KeyListener{ JPanel content; int W = 200; int H = 200; public Frame(){ setSize(700,250); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setResizable(false); content = new JPanel(); …

I have several buttons in my applet, however in certain case i use fillRect function to draw my whole applet go black, but i want to leave one Jbutton visible. The fillRect function hides my button, but the button comes visible if i move mouse cursor on top of it. …

Hello everybody I have a problem with my code. On two lines (14 & 17) I get this error: cannot return a value from method whose result type is void. But I don't have add void to my class. Thanks in advance. Greets MeandJava Here's my code: [CODE]package oop_po2; import …

Evening all, I have created a program that reads a Data Base contents, displays the information, prompts the user to press enter, then in theory they should enter an account number and that specific accounts details be deleted from the data base. Finally the contents of the data base should …

Hi every one, I need help urgently please I am creating a db with an interface from VB.Net 2008, what I need is to export to excel from a datagrideview by clicking on a button. I have found a code but its giving me errors, I posted the code maybe …

Hello friends, Please tell me how to reverse string in c like taht. My name is jacob jacob is name my

Good morning friends, I am having a weird little issue with python that I am certain stems from me failing to understand wtf is going on. I will give you the general disclaimer that I am a total programming beginner so I'll need some latitude :) The following snippet is …

Hi, I am making a simple application where it reads and loads words from a text file into a ListCtrl(lc_report) in wxPython. There are only two column. i am loading it like this : [CODE]f=open('Test.txt','r') all_words = map(lambda l: l.split(" "), f.readlines())[/CODE] And in Test.txt file, there are some words …

hi, i'm having a bit of trouble with grid views. see i can show stuff in them but i want to manipulate and use a certain selected record or field in it ( e.g : delete it from table in the DB or copy it into a textbox.). i'll be …

Hi guys/girls, I have an exe that has been written in C# using visual studio Is there a was I can de-compile it back into the C# code - It seems to be some what protected exe files I've created myself using Visual Studio and C# I can see the …

hai everybody.... i am kumar ,and i new to this site ...!! can any one help me that how can i add watermark while uploading the image to database...... :)

[CODE]Imports MySql.Data.MySqlClient Public Class Form8 Dim connection As MySqlConnection Dim con As MySqlConnection Dim da As MySqlDataAdapter Dim dt As DataTable Dim strQuery As String Private Sub Form8_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load strQuery = "server=localhost; user id=root; password=phoenix0931; database=accounts;" con = New MySqlConnection(strQuery) con.Open() Me.Text …

Hi, I'm novice by complete to webservices et al. I've created successfully a webservice and referenced it in a console application. By simplification let assume that the webservice contains a webmethod, the 'classic' CelsiusToFarenheit (string Celsius). Once referenced i can see my new namespace ServiceReference1 with the following classes inside: …

Hi I need help on this please.I have to write a void function that reads data from the following file:5 2 2 670.60 6 4 2 890.80 2 2 0 220.00 10 8 1 1340.60 10 4 3 1430.70 4 0 0 460.30 5 3 1 700.00 7 5 2 …

HI All! I am creating a Python function that should set environment variable. My simple code is [I]#!/usr/bin/python import os os.environ['FK_DBO_PASS']="12345" print "After setting Environment Variable is ",os.environ['FK_DBO_PASS'][/I] When i execute this code file in command prompt it is giving me this result [I]After setting Environment Variable is 12345[/I] But …

[CODE]hi I am generating program to find keys in adictionary having same value in abig dictionary please see the example [B]cluster1 [/B]ENSTRUP00000000001 ENSTRUP00000000001 ENSTRUP00000001433 ENSTRUP00000030987 ENSTRUP00000031348 ENSTRUP00000033778 ENSTRUP00000034939 ENSTRUP00000036445 ENSTRUP00000041507 [B]cluster2[/B] ENSTRUP00000000004 ENSTRUP00000000004 ENSTRUP00000000270 ENSTRUP00000004241 ENSTRUP00000010453 ENSTRUP00000012064 ENSTRUP00000015898 ENSTRUP00000019830 ENSTRUP00000024116 ENSTRUP00000026101 ENSTRUP00000027201 ENSTRUP00000028303 ENSTRUP00000028313 ENSTRUP00000029002 ENSTRUP00000031498 ENSTRUP00000032796 ENSTRUP00000032823 ENSTRUP00000033498 ENSTRUP00000036274 …

Hi there! got some problems. I've developing a multiplayer game there's a class called userServer, that use a file to handle all incoming information. but I can't write to the file for some reasons. here's the code: [CODE] /** * @(#)userServer.java * * * @author * @version 1.00 2011/2/16 */ …

Hey Guys i wonder if any one could help me in setting a background image for JDesktopPane instead of changeing background colors... i'll be gratefull for Detailed Describtion of any written code Thank you people in advance.

Hi there! I have some problem with java. I developing a multiplayer applet, there a class called userServer registry new users and logging in other users. the problem is, that I don't know how to append in a array. [CODE] user Users[]; int cnt=0; Users[cnt] = new user("emorjon2", "password"); cnt++; …

I am building an application that contains data that needs to be fed out to seperate groups of people. Sending them emails is the only way to do it but this takes ages to do. Does anyone know of a way to send emails through lotus notes via vb.net code. …

I always thought that if I used a switch statement and enter an option not specified the default would catch it. However, if I press enter then enter an option I get a run time error. How would I fix this? I am only including part of the code, if …

Hello Guys, I know how to draw line and shapes but how can i draw a parabol??? ( i need a 2D line) Any suggestion or pointers are appreciated!

Hello, I'm having a small problem with my program for assembly. I have to write an assembly language that finds the maximum of y = x^6 – 14x^2 - 56x for the range -4 ≤ x ≤ 6, by stepping one by one through the range. Here is my code …

when i write import win32print in my python command line (IDLE) it works fine and it is imported... but when i write import win32print in my py file then it gives an error says no module named win32print why am i not able to load the module when writing the …

Hello, I'm sorry for the bad title for this, but I honestly have no idea how to define this by few words. My problem is this, I need to read a bunch of data from a text file into an array, in the theoratical aspect, it's all nice and should …

I'm new to VB and am writing a basic revenue calculator for class and for some reason I can't get it to display the computed values in the label fields when I run the form. I've been through the example code provide to me, my textbook, google (how I found …

I am using getline to read a CSV file. The line it reads looks something like "1/24/2010 6:19 1/24/2010 6:59 Merrill - Valley Farms yhy 69 Vegetation 55" The getline works but, I need to be able to calculate time days between a date the user inputs and the date …

i have a program in c language that reads csv file.. now i want to read data column wise.. i want the whole program..which will take file name as command line argument and will fetch second column from the file.. lets assume file is like below.. aggromat,"1","abc","8903" aggromat,"2","abc","ddds" reply as …

Hi! Just a quick question math.modf(x) is a python function that returns the fractional and integer parts of x. Both results carry the sign of x and are floats. Therefore, if I write, for instance, 5.4 to the python 2.6.6 command line I think I should get (0.4, 5.0) but …

Hi all, I have code which allows a client console to connect to a server console using .NET Remoting with a shared dll, and then perform some operations. The only problem I'm aving, is that I want the main bulk of the programming logic to be performed on the server …

Hi I am beginner in C#.please tell me what is problem in this code : using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace ConsoleApplication1 { class Program { static void Main(string[] args) { string[] firstName={}; string[] lastName={}; Console.WriteLine("Please type your firstName : "); for (int i = 0; i …

given the following code [CODE]bool space(char c) { return isspace(c); } bool not_space(char c) { return !space(c); } template <class Out> void split(const string& str, Out os){ typedef string::const_iterator iter; iter i = str.begin(); while(i != str.end()){ i = find_if(i, str.end(), not_space); iter j = find_if(i, str.end(), space); if(i != …