Software Development Forum

I've tried to change to yellow, then pause for 4 seconds before changing to green but it doesn't work. public TrafficLight() { // Construct the circles red = new Circle(); yellow = new Circle(); green = new Circle(); // Set their color and make them visible red.changeColor("red"); red.makeVisible(); red.moveHorizontal(200); red.moveVertical(200); …

The cell values in excel are all formatted as text. Each value in the source array is not a String but to a proper data type based upon its value but I want the cell formatted value as it would appear on the screen in excel. Some of the cells …

I need to write a program to enter 3 names then display the name is aphabetical order. Example Jessie, sam, and chris. the program should display: chris Jessie sam Please help

Hi I'm quite new to Python and am trying to figure out where I'm going wrong, I'm trying to use a bisect search to find :- Monthly payment made to clear loan amount using :- Monthly interest rate = (Annual interest rate) / 12 Monthly payment lower bound = Balance …

Hi guys, I have a long running process called as the balancing process. This process updates the records in the database. I have 2 radio buttons 1: Show all records 2: Show only imbalances These radio buttons are used to fetch the data fromt he database and display them on …

with a lil bit of change in code ,it's functioning, but I want it to function with data members being private :-/ #include<iostream.h> #include<conio.h> class account{ public: int account_number; float balance; int passw; public: void display() { cout<<"Account number is:"<<account_number<<endl<< "Account balance is:"<<balance<<endl; } void user(int acc, float amou, int …

My Text file is below. The bounds should be 0-2 for letter A or D then 2-15 for StateName(these are new states being added to a stack) and 15-25 for what should be the capital, but not all of them have capitals and for those I am getting an out …

Help me out pls...i dont understand why am i getting sigsegv error for many of my problems on spoj.This is one of them: http://ideone.com/B7KFW http://www.spoj.pl/problems/COINS/ I mean i know that i am accessing data outside the array but where?

#include<stdio.h> #include<conio.h> void main() { int a[20],i; clrscr(); printf("enter 20 numbers: "); for(i=0;i<20;i++) scanf("%d",&a[i]); for(i=0;i<20;i++) printf("%d\n",a[i]); getch(); }

I just want to enter of 5 students data in structure but this loop is not running. pls help me out #include<stdio.h> #include<conio.h> #include<string.h> struct student { char name[20]; int age; float marks; } a[5]; main() { int i; clrscr(); for(i=0; i<5; i++) { printf("Enter the name of student"); gets(a[i].name); …

hi please help me make a username with number .. im using stdio conio ctype and string as include thanks in advance

Im curious if anyone knows if its possible to write a program to generate a regular expression given a finite automation. To make things less complicated I want to limit the number of states to about 4, assume the FA is in minimal form and that the FA has only …

In this part you will write a function to generate random numbers in a specified range. Specicially we want you to write a function named generateRandom that generates a single random number in a range specified by the user. The function takes two integer parameters representing the lower and upper …

Mind guys if you could help me on creating this program(regards with file handling). starting with this: for instance. i have a .txt file that contains these: lexeme token main - Identifier ( - Open Parenthesis ) - Close Parenthesis { - Open Curly Bracket printf - Keyword ( - …

Hey there, Just hit a road block in my assignment. I won't concern you too much with the assignment itself but it's basically a number input operated menu with option's like "Display employee details" & "Input pay details." I'm up to a part where I need to get the section …

long time listener, first time caller... I'm trying to generate Excel charts using c#. I'm using Excel.Range to set a range (series of values) to plot. However, I'd like to plot two series that are not next to each other. For example, B1:B10 and G1:G10 versus A1:A10 on the x-axis. …

Basically I need to write an application to calculate BMI using the formula; BMI = w/ (h/100) 2 The user must type in her height in centimeters and weight in kilograms, and the computer prints out the user's BMI. import java.util.Scanner; import java.text.DecimalFormat; public class BMI { public static void …

I working with an application written in Visual Studio C++. Then program is a console application running under the DOS-prompt. The program is something like this. void main () { for ( ;; ) { do_something (); do_something_more () } } Now I need to add some code between do_something …

Greetings! Just want to ask how to create a C/C++ ide then link to a compiler? any advice? can I use a visual studio for creating an IDE?... Thanks Best regards, glenndr_15

actually in infix or prefix expressions how does operators have high precdence than the other. for example + has high precedence than *.do they compare with ascii value of operator

#include <stdio.h> #include <stdlib.h> #define MAXSIZE 6 int main(int argc, char** argv) { float stddeviation, deviation, sumsqr, variance, mean, x, t, m, sum=0, max, min; int numdatapts, k; FILE * inFile; inFile = fopen("Uniform93.data", "r"); if(inFile == NULL){ printf("\nError opening file. Abort program.\n"); exit(1); } for (k = 1; k …

Can someone point me in the right direction? I have a java program created in netbeans that has several tabs that contains various text fields, boxes and such. Over top of these I have a jlable that displays a jpg, or other graphic file that is used for a background …

Hi, I am trying to make my own paint program. It uses canvas where user draws. How can I get image representation out of that canvas as bufferedimage so I can save it with imageio.write?

I have a class project where we must create a program that takes 5 grades of a student that the user inputs and stores them into an array and then gets the average of the 5 grades for example Grades = 92 89 99 78 96 And then stores those …

i had a problem with this codes.. this codes will retrieve image from database that will based on the employeenumber. Dim CN As New OleDbConnection(cnString) CN.Open() daImage = New OleDbDataAdapter() daImage.SelectCommand = New OleDbCommand("SELECT * FROM EmployeeProfile ", CN) dsImage = New DataSet("dsImage") Dim dataTable As DataTable = dsImage.Tables(0) If …

Dim conn As New OleDbConnection("PROVIDER=Microsoft.Jet.OLEDB.4.0;Data Source = e:\wms\wms\wms.mdb") conn.Open() Dim userDetailsAdapter As New OleDbDataAdapter("select * from daily_trans", conn) Dim userDetailsTable As New DataTable userDetailsAdapter.Fill(userDetailsTable) Dim returnRows() As System.Data.DataRow = Nothing returnRows = userDetailsTable.Select("cons = " & TextLine) If returnRows Is Nothing Then MsgBox("Can be saved") Else MsgBox("Primary Key") End If …

Hi. I'm having problems about my program. My program is something like a directory. It takes in values for different fields and stores it in a linked list in a sorted manner. It also allows the user to save the linked list contents to a text file. Everything runs okay …

1. The square of an integer n is normally calculated by multiplying n by itself, that is, n2 = n * n. Another way to calculate n2 is by adding the first n odd integers. For example, 1 + 3 + 5 = 9 = 32 1 + 3 + …

Can someone please finish this off, i need the days to start going on the day specified [code=c] #include <iostream.h> int main() { int month;//asks for current month int days;//asks for day of start int numdays;//number of days in the month int monthstarter=1; //starts day count cout<<"Enter a month (1 …

I want to print the following using for loop. from the pattern, it's clear that when row and column is equal to each other it prints A that gives me A from top left to bottom right need clues A - A A - A A - A A-A ----A---- …

I need help with the calculations done in a change concevter. The user enters the amount owed and the amount the purchaser paid and the change due, followed by the amount of dollars, quarters, nickles, dimes, and pennies are displayed. I have been working on this for a while and …

-We should only be able to enter ISBN's in this format, 0-1234567-8-9 or 0-1234567-8-X. -What I have now automatically inserts hyphens at a certain text length but doesn't let me delete the hyphens that have been added (besides the last one) -So how would I be to delete the hyphens? …

Can anyone help me out here? I have little clue on a CS assignment but can't get started on it. Question states: Write a program that generates a student's username and converts a score to a letter grade. The username consist of the initial of the name and the last …

For my class we need to create an Ascii drawing with at least 3 nested loops and 3 different type of loops. this is what i have so far ( just 2 lines of the drawing) for(int i = 0; i<=4; i++) { System.out.print("0"); } for(int i = 0; i<=13; …

I’m not sure why this isn’t working. Java isn’t giving me an error I have this in my StateController class public void insertLinks() { for(int index=0; //index is a local variable for state objects index < numStates; index++) //for loop to continue making state objects stopping at numStates(50) { myList.insertFirst(myStates[index]); …

Dear Visitore of this Question I m New to VB.net i have declared a structure in vb.net and i want to give values to its members how could i can do that help me plz Structure Employee dim inta as integer dim strs as string end structure how to intialise …

About 11 months ago I started this [thread](http://www.daniweb.com/software-development/cpp/threads/386863/declaring-const-int-causes-error-c2582-operator-function-is-unavailable) asking why I couldn't use a const data member in a class that was going to be used in an stl container. The explanations were excellent. Now my question is, what is the best alternative to having a class with BOTH a) …

Hi, im pretty new to c++, and im stuck on this problem, i need to assign a letter from and array of stings to an array of chars and i just cannot figure it out. any help is appreciated. I tried both and both give me errors: strcpy (newChars[j],alphabet[i]); newChars[j]=alphabet[i]; …

Hi. I'm new in programing and i have this program that i'm working on right now. it's still a working progress. but when i run it and choose from the options. the program kept moving upwards. like it looses the top part of the border. like this one: http://imageshack.us/photo/my-images/507/123sb.png/ this …

Hi guys, I am running a costly simulation and trying to optimize the output. I'd have a fixed range over which the parameter of interest can vary, and about 100 values it can take in between. We know the result we are looking for and want to find the parameter …

Hi, I'm concentrating on getting my card and deck classes for a card game project working correctly. Both my card and deck classes are working technically correct but when I go though my nested for loop in my Deck class to create a deck of cards it ends up being …

Hi can you only tell how can i implement the below part. i created a class for TM(implementing :IComponent interface ) and another class called Process(implementing :IContainer interface) and created P1 and P2 are instances of Process class. and A B A' B' as instances of TM. is this correct? …

helle there. I need a help in generate random 2D matrix !! How to write that plz !

Hi, I have to write a program that plays out a whole game of the card game WAR. I have to create a bunch of classes that go along with some pre written classes so right now im trying to start out small and work my way up. We are …

Hi, I am using C++ MFC and I wouldn't exactly call myself an expert :-). What I have is a thread drawMonitor which monitors when to draw and I would like it to call DrawLines() (which is a member function in the class) to do the drawing. void drawMonitor(void *); …

I need assistance with using Keypress to only allow a certain range of numbers (1-26) to be typed into the textbox. When ever I do it, it only allows me to press the numbers "1 and 2". I'm very new to VB so the help is much obliged. I know …

Hello Everyone So i have this flowlayoutpanel that contains checkboxes, so what It does is if a select a checkbox the text of that checkbox will be passed to the ProblemTextBox  My main problem is that I am able to add new checkboxes to the ProblemTextBox, but when …

i want to add multiple rows in datagridview from textbox values then save the rows into database? how its possible...???

#include <iostream> #include<string> #include<vector> using namespace std; struct Names { string fname; string lname; void output() { cout<<fname<<" "<<lname; } void input() { cin>>fname>>lname; } }; struct birth_info { int month; int day; int year; void input() { cin>>month>>day>>year; } void output() { cout<<month<<"/"<<day<<"/"<<year; } }; int main() { string …

package vc_client1; import java.io.BufferedInputStream; import java.io.BufferedOutputStream; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.net.Socket; import javax.sound.sampled.AudioFormat; import javax.sound.sampled.AudioInputStream; import javax.sound.sampled.AudioSystem; import javax.sound.sampled.DataLine; import javax.sound.sampled.Mixer; import javax.sound.sampled.SourceDataLine; import javax.sound.sampled.TargetDataLine; public class voiceReceiver { public Thread playThread; boolean stopCapture = false; static ByteArrayOutputStream byteArrayOutputStream; AudioFormat audioFormat; static TargetDataLine targetDataLine; AudioInputStream audioInputStream; BufferedOutputStream out = …