Software Development Forum

When reading books I was thinking that data hiding was to hide the data from the user so somebody who is using a C++ executable is an user and data hiding is implemented to hide the hide the data from the user( somebody who is using the exe file produced …

[CODE]import java.io.FileReader; import java.util.Scanner; public class diverScores { public static void main(String[] args) { Scanner kb = new Scanner(System.in); double [] score = new double [8]; double totalScore = 0.00; Scanner fileScanner=null; try{ fileScanner= new Scanner(new FileReader("divingdata.txt")); }catch(Exception e) { System.out.println("Input file not found"); System.exit(1); } while(fileScanner.hasNext()) { String fileLine …

Hi, I have a list of lists such as : [[foo,1],[baz,1],[foo,0],[bar,3],[foo,1],[bar,2],[baz,2]]. I want to get all the different items in the inner lists and find the total number of them. I mean the result should be like : [[foo,2],[bar,5],[baz,3]]. How can I do this task? Thanks in advance.

So I have a task to write the algorithm for eratosthenes' sieve. The code works fine apart from the fact that it just won't print the newline when i need it. It just ignores the syscall for printing. I tried googling but couldn't find anything similar to my problem. The …

what is the best regex to validate email. i would like to validate it to be a valid email not ex : [email]abcd@efgh.ijk[/email]

The Predator‐Prey game is a simple board game where bugs (predators) and ants (preys) move freely across the board. The following is a description of the game rules: -Predators and preys move on a 2‐dimensional closed grid -Predators and preys are not allowed to move outside the grid -The game …

Hello everyone i have a text file that contains something like this. [CODE] 1 AC AT RR cOO 2 EE cFF HGB cEVY 3 WDU RWS cTY NBE [/CODE] but it contains a lot of rows and that's an example of the data what i want to do is to …

hi... I am using sorted dictionary to add nodes in a hierarchy but i have to show multi-parent multi-child relation but sorted dictionary doesn't allow duplicate entries :( is there any way if yes please suggest I will be honored Thanks in advance

Hey guys I've been asked to create an array of objects on the heap for my assignment but I cant seem to find any examples that explain it well enough on the web. So what I got is: [CODE]//Heabder File class Wheel{ public: Wheel() : pressure(32) { ptrSize = new …

[code] #include <iostream> #include <vector> #include <algorithm> using namespace std; class A { public : void getData(); void putData(); bool operator==(const A &) const; private : int x; char name[90]; }; vector< A > v; void A :: getData() { cout << "id = "; cin >> x; cout << …

The problem is Red color there. when add record into table. I want have same LoadingNo but different RecNo. But I'm using this only can add record until 2 only. Expert please help me!! [CODE]private string CalculateNewRecordNumber(string record) { string[] data = record.Split('/'); DateTime currentDate = DateTime.Today; int recordYear = …

When I parse this date: [code] SimpleDateFormat sdf = new SimpleDateFormat(); Date utilDate=sdf.parse(txtFieldArray[i].getText());//12/31/1955 java.sql.Date sqlDate=new java.sql.Date(utilDate.getTime()); instructorBean.setStartDate(sqlDate); [/code] error [code] May 9, 2011 7:10:43 PM view.forms.profileForms.InstructorProfileForm actionPerformed SEVERE: null java.text.ParseException: Unparseable date: "12/28/1955" at java.text.DateFormat.parse(DateFormat.java:337) [/code] Can someone show me some code on a date that can be parsed?

[CODE]// rational.cpp - Script 9.5 #include <iostream> #include <string> // Declare the class. class Rational { public: // Constructor: Rational(int num, int denom); // The overloaded methods that implement // arithmetic functions: Rational operator+(Rational rhs); Rational operator-(Rational rhs); Rational operator*(Rational rhs); Rational operator/(Rational rhs); void print(); private: // normalize() will …

So I have a book on C but have Dev-C++ IDE and was wondering if I could learn C from that book whilst using the Dev-C++ IDE? Many thanks in advance!!

Hello! I have just started learning assembly language, and I have decided to use the NASM assembler. I made a small program, included below, that is supposed to take a number, add 5, and print out the final result. The program correctly prints the prompt, and takes a value, but …

i know how to add many things into arraylist at once, like: [CODE] String [] things = {"eggs ", "pie ", "lasers ", "hat "}; List<String> list1 = new ArrayList<String>(); for (String x: things) list1.add(x); [/CODE] but is there a way to add things into arraylist iteratively one by one?

hey guys, when do we use "long"? and what is it anyway? like: [B] public [COLOR="Red"]long[/COLOR] someStuff([COLOR="Red"]long[/COLOR] n) { ..... ..... } [/B] thanks :)

compiler : g++ of gcc4.5.2(minGW) os : windows xp sp3(32bits) [code] template<typename T, template<typename> class CONT = AccumulationTraits > class Accum { public : static typename CONT<T>::AccT accum(T const *beg, T const *end) { typename CONT<T>::AccT total = CONT<T>::zero(); while(beg != end) { total += *beg; ++beg; } return total; …

hello everybody. i bulding now a software with a data-base i am using MFC lib. i need help how to add, edit & use data base in vc++ tks biny.

how to write a custom exception ?

Dear knowledgeable ones A new problem have arisen. I have now an SQL database file with about 100 tables in it. I would like to automatically go through all of these tables and check if the column "Owner" exist. If this field does not exist, then it should be created …

I have been reading a textbook on Java-- I am a C/C++ programmer so my view of addresses and pointers are based on what I know from those languages. I am trying to make sense of something the textbook said about object addresses. The textbook basically said when one object …

Here I am again for my weekly Sunday night help. Sigh. How can I pass my error message into my exception? Thanks. Let me know if you need to see more of the code. [CODE] /* Create an error message that is passed to the Exception class constructor for the …

I am creating a game that requires me to change the background color of a panel, wait 1 second, then change it back. The code I tried was: [CODE] button1.BackColor = Color.Blue; System.Threading.Thread.Sleep(1000); button1.BackColor = Color.DimGray; //Dim Gray is the original color [/CODE] When I use this code it never …

Hello :icon_neutral: I am doing a test to return payment details - but seem to be having a problem with the card number. When I run the code below I get an error saying that it is too large or small to be an integer. If I make the variable …

a code that presents a good interface for apassword and user name

Hiya, I've got a small problem. I have an interface called "event", which represents a networking event. I have classes implementing this interface. Now, when my server app receives a new event, it checks the class of the event and acts accordingly. This works nicely when the implementing classes are …

HELLO. i want to put logo in my crystal report, i couldn't find image property in crystal report plz help. Thanks in advance.

Hi. I am doing a C# windows form application and I am retrieving data from a database and saving in a datatable temporarily. I have to access each cell and update them. [CODE] try { string TaskStatus = "Assigned"; SqlCommand cmd1 = new SqlCommand("SELECT Day_Date FROM tblDaily_Task_Schedule WHERE Task_Status='" + …

i have a problem. i don't know where i am making the mistake.... i need to refreshed my JPanels automatically with time..... i have used timers for this. i used in the constructor of the class... public class HoursPanel{ //.... //..... public HoursPanel(){ int delay = 60000; Timer timer = …

I am trying to move a ball using time. The ball must move 5 pixel per second. In my code the ball is moving faster. Why is it moving faster? What is wrong with my code? [CODE]#include <allegro.h> #include <cstdlib> #include <time.h> int ball_x = 320; int ball_y = 240; …

Hi All, I try to make my caption text scrolling. Actually, i already make it scrolling but after the last letter it would appear all of text and scrolling again. I want the text scrolling one by one, after the last letter it following by the first letter. How i …

Im trying to get this game to play again once the user gets the right answer or the guesses exceede 8. The problem comes in when i type in Y or N. It doesnt loop back up to the top of Do loop like i would like it too. Please …

Q.Create an equivalent of four function calculator. The program should request the user to enter two numbers and an operator. It should carry out specified arithmetic operation on the two numbers( using switch case).After displaying the result, the program should ask the user if he/she wants to do another calculation.If …

so.. my professor ask us to read map(x,y) into a graph data structure and traverse using Breadth First Search. although i asked him for help, i still so lost..can someone please explain how should i start, such as what are some functions the graph class should has..and what they should …

Hi, I am new here. I need some help on inter-process communication. I am developing a high performance console app in C# 4.0. The reason i chose console to winform because to minimize the GUI thread overheads. But i need to view the processing statistics from time to time (occasionally …

Hello, let's say I have these classes: [code=java] public class ClassA extends JFrame{ private JButton btn1; private JPanel panel; public JPanel getPanel(){ return this.panel; } ClassA(){ this.setSize(500,500); this.setVisible(true); panel=new JPanel(new FlowLayout()); btn1=new JButton("LALALA"); this.add(panel); panel.add(btn1); } } public class ClassB { ClassA a; ClassB(ClassA a){ this.a = a; JButton button2 …

what is wrong with my code?i cant figure it out. [CODE] #include<iostream.h> #include<stdlib.h> #include<stdio.h> #define MAX 50 struct Node { char judul[MAX]; char pengarang[MAX]; int harga; Node* nextPtr; }; Node* makeNode(char judul[], char pengarang[], int harga) { Node* newNodePtr = (Node*)malloc(sizeof(Node)); if(newNodePtr == NULL) { cout << "Out of Memory" …

I'm having trouble formatting a binary tree. In my program, the tree format should print every output as such: 35 30 29 25 24 20 15 This is the code that I have thus far. [CODE]public void treeFormatTraversal(){//begin int level = 0; if(root !=null) treeFormatHelper(root, level); else System.out.println("\nTree is Empty\n"); …

hello... Can you help me please, how can i use the checkbox if i want to display on my listiew Active or not Active After clicking the addbutton. Example Jemz Gimz 123 then i will check the checkbox and click the Add button it should display on my listview Jemz …

Hi all, I recently made a web crawler as part of a Uni team project building a small search engine. I've managed to incorporate it into our GUI, there is a button which starts the crawling process by creating the crawler in a thread. (I did this because otherwise the …

Hello, I'm making an application that supports sending text/files. It will use a server and 2+ clients. The clients won't communicate directly with each other, their messages will be forwarded by the server. My problem is this: in C++, after starting a client, I'd have 1 thread stuck on RECEIVE …

This is my Program: [CODE]using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace ConsoleApplication1 { class Myclass { static void Main(string[] args) { Myclass d = new Myclass(); d.Myprog("ahasda"); } void Myprog(params string[] s) { int num=0; foreach (string r in s) { if (r.Contains('a')) { num++; } } Console.WriteLine(num); …

Hello again guys, I am little bit stuck in this situation and searched everywhere in google but i did'nt find what actually i want.. a problem with autonumber in access database. i have created a database with 4 columns .. deleted primary key slip, cname, nic... the slip column is …

Any help would be appreciated. I have a working command line program (trivia question) and decided to try to put it in a Gui. I got the user menu to print, but it gets to line 162 and blows up (going line by line) where I'm thinking it should do …

Hello, I want to save multiple record in database from DataGridView. I have some code but their is an error i.e [B] Column named id cannot be found. Paramater name:columnName[/B] [CODE]SqlConnection cn = new SqlConnection(); cn.ConnectionString = "path of connection"; cn.Open(); string q = "select * from abc"; SqlDataAdapter da …

I am having trouble correctly allocating memory for a parent function that will remain upon the child functions exit. the call to the child function is [code=c]HTTP_packToGen((char*)http_headerContent.HTTP ..[/code] the HTTP variable within http_headerContent is a char pointer that isn't allocated until the child function is called, http_headerContent is a static …

i searched about this error. they said is mostly caused by forgot putting semicolon... but i find for 1hours+ still cant find out >.< anyone can help me? the error is pointing test.h lines 9: multiple types in one declaration test.h: [CODE]#ifndef TEST_H_ #define TEST_H_ class TEST { public: //call …

Hi all, I am writing a program in VB6 where I need to determine the path for the system32 folder. I know the default path is c:\WINDOWS\Sytem32, but some people installed they windows in another drive. How i can get the path of system32 folder? Best Regards Vega

I'm using a single WSH script controlled by Microsoft Task Scheduler that calls a series of daily run batch files sequentially. However, some of these batch files only need to run on the first working day of each month. I don't want to create additional Task Scheduled events for these …