Software Development Forum

I need help with this assignment, I dont know where to start. Here is what the assignment is: Write a program that finds both the largest and smallest of several integers. Assume that the first integer read specifies the number of values remaining to be entered and that the first …

Basically, I have a project which I need create a output format of DD/MM/YYYY - Which I used in a toString, it works fine. I then used a switch case for all the days in a month, and of course I took into consideration the leap year. When I try …

Hello all, I have what is probably a silly question... I want to fill a 2-dimensional array called instantAct with values from another 2-d array called mS. The two arrays have different dimensions, but they have the same number of values. I want my loop to take values from certain …

hi guys i have a form that calculates the medicine charges of a patient then display the data in listview, i want when i add a new medicine charge the total charge of the medicine to be added in to the previous total charge so i will get the new …

I really need help with this...i'm trying to make a game that where user guesses a word and it tells the user 1: the right number of letter in the right place 2: the number of letter that is right in the wrong place but when i test it out, …

I have typed this many ways into dev-c++ trying to figure out how to figure out the output but it always comes back with errors no matter what headers I have used and other things. Can anyone give me some ideas? I don't want the answer, just ideas on how …

Ok, basically, I have a datagrid with a button column, and the goal is, to be able to load specific things into a second datagrid depending on which rows button was clicked. But I seem to be completely unable to figure out how to get the row index. The program …

i dont know what happen..when i complie..there's error... so..what suppose i do??please.. [CODE]#include<dfp.h> CMatrix CDfp::operator()(double(*p)(CMatrix&),CMatrix& X0,double e) { pfun=p,n=X0.getrow(); X.set(n,1),S.set(n,1); X=X0, error=e; CMatrix B(n,n),B0(n,n); CMatrix TiDu(n,1),TiDu0(n,1); CMatrix DG(n,1),DGT(1,n),DX(n,1),DXT(1,n); CMatrix E(n,n); CDiffer differ; double a; double dfm; int flag(0); int k(1),c(1); for(int i=1;i<=n;i++) B(i,i)=1; B0=B; TiDu=differ(pfun,X,error/10); dfm=TiDu.getmod(); ofstream out(".//result.txt",ios::ate); for(k;k<=n;k++) { …

When handling command-line arguments, I roughly know getopt will work, but have never used it before. The documents on some books seems not very informative, if read multiple arguments from the command line, is it right to use sys.argv[1], sys.argv[2], etc to assign the arguments to respective variable in the …

Hi guys, I'm still new to C++ and get confused by the codes below.. [CODE]class FLATMATE { string name; public: FLATMATE() { name = "";} FLATMATE(string n){name = n;} string getName(){return name;} void setResident(string n){name = n;} };[/CODE] [CODE]class DUTY { FLATMATE resident; //name of the flatmate int RequestOffer; //amount …

Hello guys, I have coded something which would return the contents of a excel sheet as a hashTable. The code is [CODE] public Object[][] validDataProviderScenarioOne() { excelWorker excel = new excelWorker(); String pathValue = excelWorker.LocatingXls("Data.xls"); Hashtable<String, String>[] hashDrv =(Hashtable<String, String>[]) excel.contentReading(pathValue, "xxxxx_Login"); Object[][] obj = new Object[hashDrv.length][1]; for(int i=0; i<hashDrv.length; …

Could you please have a look at the code and tell me the reason why it is giving me an error? [code] int timeDiff(std::string startDateTime, std::string endDateTime) { std::string strtYYYY, strtMM, strtDD, endYYYY, endMM, endDD; int strtY, strtM, strtD, endY, endM, endD; strtYYYY = startDateTime.substr (0, 4); cout << "String …

Hi guys, as the thread says, im new to java. My department is more in the c++ side of things. My form class... [code] import javax.swing.*; import javax.swing.event.ListSelectionEvent; import javax.swing.event.ListSelectionListener; import java.awt.*; import java.awt.event.*; import java.util.ArrayList; import java.util.Vector; public class DogForm extends JFrame { private String _adminLogin = new String("admin"); …

I recently had an assignment for an advanced coding class where I was to create a Binary tree from inorder and preorder traversals. I first started out by creating my ADT for binary trees and working with that to create a new tree. The way I worked it was that …

Yeah... I have a headache... So I have the following code: [CODE]public class inc { public static void main (String args[]) { new inc(); } public inc() { System.out.println (addTwo(7)); } public int addTwo(int n) { System.out.println (n); if (n < 1) { return 2; } else { return addTwo(n-1)+2; …

[CODE]import java.util.Scanner; class CalcAvg{ public static void main (String args[]){ Scanner s = new Scanner(System.in); int sum = 0; int avg = 0; for(int i = 0; i < 10; i++){ System.out.println("Enter a number: "); int num = s.nextInt(); sum = sum+num; } avg = sum/10; System.out.println("The sum is: " …

I have a function that needs to read a file line by line. It will check that line for a number(a process ID for my process scheduling function). The line is delimited by |. So I read the line in, get the first ID number, and then I want to …

I have a set of text files in a folder. I want to read each file, convert the contents of the file to lowercase, remove punctuations and save them all in another directory with the same filenames. How can i do that???

Hey Everyone! So I'm a super beginner trying to teach myself the ins and outs of stacks (ever so slowly). Specifically, I'm trying to work out a programming challenge in which the objective is to write a function to tell if a string in the format of word1$word2 satisfies the …

Hello people. My aim is to assing an array with words read from system.in in a single entry. So if the users enters "Hello there" i will have 0,Hello 1,Therre I have managed to achieve this with the following piece of code. [CODE] import java.util.Scanner; public class mein { public …

Ok, I'm really really new to Python. I've installed Python 2.7 and is using IDLE (GUI). I just wrote 2 classes, Car and CarsDB, but I can't load them together to use them. [CODE] class Car(object): 'A car with its own information like make, year, model, price.' def __init__(self, mk, …

ok the guy helpes me with my problem in my last post but I need to switch this: #This module determines highest value in list def highestMonthNumber (rainfall): month = ['January','Febuary','March','April','May','June','July','August'\ ,'September','October','November','December'] highestMonthly = 0 for m, n in enumerate(rainfall): if n > highestMonthly: highestMonthly = n highestMonth = m …

I am needing to edit this client/server echo program into a client/server talk application, to send messages back and forth between the client and server, rather than have the client echo the message only. So the output would be: C: Hello S: Hello S: How are you? C: How are …

I'm working on a constructor which lets the player input a starting sudoku grid and also checks if it's valid and can be played, ie, it doesn't already have duplicate numbers. The code listed here is my newest attempt and works on making each number +1 to another array. So …

hello.. What do we mean by binary search and how we can do it using C++ thanks..

I'm trying to read some input from a file and print it. I have three files: Main.cpp Sudoku.cpp Sudoku.h. For some reason the program will not print anything unless it's in the main function. If I print anything in one of the functions of Sudoku.cpp file and the use that …

I am having a hard time figuring out how to use the db object created in the first action event within the second action... how can i make the object visible there? i am trying to say add a record to db object by saying something like ... class Action2 …

I'm not all that familiar with the C syntax rules, I've mostly worked with C++, and I'm having some weird problems working with Visual C 2008. Here's my code: [CODE=c]#ifndef IFF_H #define IFF_H #include <stdio.h> #include <stdlib.h> #define IDS_GROUP "" #define IDN_GROUP 1 #define IDS_CAT "cat " #define IDN_CAT 2 …

First off, this is homework and I do my classes online and the teacher doesn't respond to my e-mails in the fastest fashion. I've been getting linker errors all day and I'd like at least an explanation of why they happen. here is my problem. Main.obj : error LNK2019: unresolved …

Hello everyone, I'm new in the world of Delphi and Pascal, so I could use your help. Here's my first question: I use Delphi7 and I have a DBGrid that is populated with one hundred records. I run the query to refresh the content of the dbgrid after each new …

hello.. can u tell me how i can determine if a certain number is a perfect number or not?! please help me.. thanks.

I was just trying to create a control array but I can't do it. What can I do? There's another sintax or it's just there's no control arrays in VB.NET????

How can I define an operatpr [] for this class ? [code] #include <iostream> using namespace std; class Vec4 { float f1,f2,f3,f4; public: Vec4(float ff1, float ff2, float ff3, float ff4): f1(ff1), f2(ff2), f3(ff3), f4(ff4) {} float operator [] (int index) { } Vec4 operator + (const Vec4& v) { …

Hey all, I've been using Visual Studio for a long time. Lately though, after I build an executable successfully, it won't let me build it again for a solid 60 seconds or so, claiming that, for example, test.exe is still in use (when it's clearly not, because if I go …

Hi!..I am Amrinder and i am new to java language as i am a student of Engg. i have to make a program using Swings or Frame in which Loop would be handled by Two different Buttons named as Start & Stop.....but how can i make a loop in ActionEvent …

Hello all, I'm sorry if this is an easy fix, but I've searched everywhere and spent 3 days on this and would like my life back. I'm trying to Select data from a database using a PreparedStatement and it isn't working for me. No errors, just no data. I can …

Hi, I'm reasonably new to assembly, but now that I have mastered the basics, I would like to start using something a little more fun. Can anyone tell me where I can find a book on Assembly for building GUI interfaces. Because this is nice and low level, I don't …

Hi. Hopefully this is my final question for this code. As you may know, I got a code from lloydgoodall.com for a Java & LWJGL FPCamera. It came with several errors, which I got to fixing, and after many, many Google searches, Option+Space's, and hitting my head against my desk's, …

Hello Everyone. Could anyone please help me quickly find duplicates in a vector of over 60000 records. It takes a loooootttttt of time ;'(. Here's the code. [code] #include <string> #include <vector> #include <iostream> #include <algorithm> #include <sstream> struct MyPred { std::string x; std::string y; // add default values MyPred(const …

Hey, my code fragment is now this: [CODE]File fileName = "E:\\Major Project\\FinalLap\\278d.gz.txt.txt"; int index = fileName.toString().lastIndexOf("\\"); filed = fileName.toString().substring(0, index);[/CODE] And I hope to just get the file's name "278d.gz.txt.txt" after the last instance of "\\" and assign it to variable "filed". Can anyone tell me what am I doing …

I'm trying to learn using pointers, and in the code below I can send variables to a function. But the return is obviously wrong and I can't seem to figure it out. What I want the function to return is the number of even number occurrences. Any suggestions to where …

So I'm working on a database-type program for the Java course that i'm doing and i seem to have run into a bit of a roadblock. This class compiles and runs alright but where i have a problem with it is when i try to amend the text file using …

So I am fairly new to Java and I have been trying to create a simple program that reads a list of names and a number from an external text file. So I will show you that code first. [CODE] public static void startReadFile() { // Get an ArrayList of …

I am new to programming so our assignment was to create a number guessing game, where the user picks a number from 1 to 100. The initial guess in 50 and then the program asks the user if it is higher or lower than my guess. Once the answer is …

Salary Works Department for use in a workplace, employees' salaries and to calculate the income tax cuts, the minimum number of net salary payments using money to make and required a program to get some statistical information. For this program the following data will be entered for each employee in …

Hi, One of my assignment questions is to write a program to illustrate external storage class, extern variable,global variable and thus write the differences between global variable and external variable. My program : [CODE]#include <stdio.h> extern int i; int main() { printf("\n%d",i); inc(); dec(); getch(); return 0; } inc() { …

how to validation of textfield in java using netbeans IDE 5.5 i have done with validating the length of Textfield i need for number like if text values is number then i want a message to b displayed please help...........

hi how you can help me i've been trying to connect a line from a point i click to a square that have been placed there previously but have no idea how to do it, could you help please??

Hi Friends. I have an project with vs2005 and sqlserver2005.There is a page contain a combobox , a text box and two button.The combox items are my cost list that maybe thems count increase by user.how can I manage it? more about it: if person clicks the add button we …

this doesn't really involve codes but.... i have a problem in using my netbeans...i'm still new to this program and i don't know the controls and menus...I made buttons/JButtons but I don't know what to do next. I want that when I click a button, another lists or box will …