Software Development Forum

Hello people, I created an innter class like this [CODE] public class OuterClass{ int attribute=0; class InnerClass { public void method1(){ attribute++; } public void method2(){ System.out.println(attribute); } }[/CODE] My problem is when I call method2() in a correct way, it displays 0 and not 1 as I wanted. Can …

Can Anyone advise me on the problem with the namespace in this code im getting an error. [CODE]//Main. #include "Weapon.h" #include "Room.h" #include <iostream> #include <fstream> using namespace std; int main() { ifstream myfile; string line; myfile.open("BronzeSword.txt"); if (myfile.is_open()) { while ( myfile.good() ) { getline (myfile,line); cout << line …

How would I hide keystokes when I use the keyboard? When you use scanf fgets and gets, they show they print the keys to the screen.. I want to hide them.

i used to create sub procedures in vb6 under tools/ add procedure. Same is not available in vb2008. how can i create sub procedure in form. for eg. Private Sub CmdDisabl() Cmd_New.Enabled = False Cmd_Amend.Enabled = False End sub if i type above code in form i get error statement …

Hey i was wondering if someone could have a look at this and help me figure out why the output is repeating it's self and how I would fix it. I have spent several hours trying to fix this. Thanks in advance. [CODE]/* Author : * Date :02/10/10 * Title: …

Your task is to write a program that checks html files, (web pages) to determine whether the embedded XHTML tags are balanced. Balanced tags are necessary for the file to be a valid XHTML file as explained above. The first phase takes care of reading the file and finding all …

Hi guys i'm trying to just do a simple email/password validation on two text boxes. This code runs but when i type in a correct email address it throws an error "Object reference not set to an instance of an object." on [CODE]AdAcc.InsertCommand.Connection = OleAcc;[/CODE] I'm thinking i may need …

Hi, first of all: the answer to my question is NOT atof()! I have a char-array that may contain something like "1.2345". I want to convert the contained values to float/doubles but unfortunately atof() depends on the current locale. So whenever a user executes the application on a system where …

Hello, I'm trying to read in words from a text file that look like: The World Fell Over etc.. But it doesn't seem to be working.. I've written some code however it will only show the first word OR loads of question marks.. [code] string dictionary() { string words[500]; ifstream …

Hi All, I am trying to understand shift operator which is used in my project. What I came to know from google is that Bit shifting allows for compact storage of similar data as a single integral value. But how does that work. and what is the advantage. Can you …

So my code will compile and I do get output but it does not look the way its suppose to. I'm also not certain I am doing the virtual functions properly Expected Output Telephone Number : NPA-NXX-Line Customer: CustomerName Number of Working Lines: NumWorkingTNs Current Output derived class WorkTelephoneNumber constructor …

[code] struct S { double operator()(char, int&); }; int main() { boost::result_of<S(char, int&)>::type f = 3.14; // f has type double } [/code] OS : win7 compiler :gcc mingw4.6.2 error message : error: no class template named 'result' in 'struct S'| error: expected ';' before 'f'| error: 'type' is not …

[CODE] private int [] minValues; private int count = 0; String[] tempString ; tempString = line.split("-"); System.out.println(tempString[0]); [/CODE] but when i try to add the store into array's code, [CODE] private int [] minValues; String[] tempString ; tempString = line.split("-"); minValues[count] = tempString[0]; <-- it say incompatible types System.out.println(tempString[0]); count++; …

I need to create a simple http client to a web server and my code is the following: [CODE]#include <stdio.h> #include <string.h> #include <sys/types.h> #include <sys/socket.h> #include <netinet/in.h> #include <netdb.h> #include <errno.h> #include <arpa/inet.h> struct sockaddr_in wserver, cl; struct hostent *rem; int fd, newfd, len, l; int main(int argc, char …

I would like to write a program which asks the user for a number and prints off the tree, For example 7. Program prints something like that then. If user put 3 tree will start from 3. I think you should get the idea. [CODE] "Enter a number: 7" 1 …

I'm working on a project and want to open the window to the position the same as last time the window was closed, and open the window the same size as last time was closed also. The rough script is as below: When user open the window and resize it, …

Hi, I am getting this error at runtime: object reference not set to an instance of object my question is that am i using stringbuilder array correctly here. Because I am new in C#. and i think its the problem with my stringbuilder array. Below is the code: [CODE]using System; …

Here my code [CODE] public static String modele; public static String supplier; public static int height = 180; public static final String[] COLORS = { "RED", "BLUE", "GOLD", "ORANGE", "PURPLE", "PINK", "NONE" }; public static String description; public static boolean withSnow = false; public static boolean sale = false; public …

I need some assistance in my program: I suppose to select an array size: array_size = 20 array dword array_size dup(?) And, create a new procedure that prompts the user for the number of integers to be processed, and pass the same value to the promptForIntegers procedure. How many integers …

Hey im a real noob at c++ and im trying to understand creating rooms setting a default and using a .txt file for room details. but i dont understand it. Im looking at some code from my lecturer and i dont understand were the wiz0-2.save comes from can some tell …

I want to fill a Drop-downlist with a list look heres my list code [CODE] public List ListaEmpresas(){ SessionFactory factory = HibernateUtil.getSessionFactory(); Session session = factory.openSession(); Transaction transaction = null; transaction = session.beginTransaction(); Criteria crit = session.createCriteria(Empresas.class); List empresas = crit.list(); List list = new LinkedList(); // Doubly-linked list list …

Hello everyone in this activity i should use if, else if, Boolean, for loop, do while loop ok here is the OUTPUT i must do: GRADING SYSTEM! 96-100 =1.00 94-95 =1.25 92-93 =1.50 90-91 =1.75 88-89 =2.00 86-87 =2.25 84-85 =2.50 82-83 =2.75 80-81 =3.00 78-79 =3.25 75-77 =3.50 74-below …

basically here is a code, what the question asked to do is to create a graph in quickdraw using the data given to us. now the problem is when i run the program it gives me a few errors. i am new at this and any help would be appreciated. …

Can anybody help mi getting the area so that I display it on a message? Here is the driver: import javax.swing.JOptionPane; public class Driver { public static void main(String[] args) { Rectangle tennisCourt = new Rectangle(); { JOptionPane.showInputDialog(null," Enter Lenght: " + tennisCourt.setLength() ); JOptionPane.showInputDialog(null," Enter Lenght: " + tennisCourt.setWidth() …

hi everyone. i am writing a small caeser cipher program in java for a lab is my cs class. I am sure that most of it is generally okay, but when i run the program it will not return the newly encrypted or decrypted code. Why??? is there something wong …

I would like to build a simple highlighter program. The idea is to set an image to change the cursor so that it will look like a highlighter. And then, when we move the cursor, it will trace a line along with our movement. The requirement here is to be …

Passing Managed ByteArray to Native C++ DLL Anyone could help regarding passing ByteArray containing image data from axis camera to Native C++ DLL, Both compile OK, but DLL does not write ByteArray data to file?, just wondering if this is the correct way to pass ByteArray's to C++ DLL's here …

Hello! I'm making an IRC Client with DCC Capabilities. The DCC Specifications say this about receiving files: [b] The recipient should acknowledge each packet by transmitting the total number of bytes received as an unsigned, 4 byte integer in network byte order.[/b] In do this with the following code: [code]typedef …

I am using window 7 as a operating system and i run this code in same os it shows the problem related to file handling but this problem wasn't occurred on xp and vista whats the problem ........???????????? try to run on win 7 and xp you will get the …

I am a new programmer and I wanted to start by writing a Tic-tak-Toe program I have more to add but here it is so far. [CODE] import random board = """ 1 | 2 | 3 ---+---+--- 4 | 5 | 6 ---+---+--- 7 | 8 | 9 """; …

Hi, hope someone has an answer to my problem. my add and edit function is fully working. but after a successful edit, another edit attempt has already an error. Error: Procedure or Function has too many arguments specified [CODE]Private Sub global_edit() '- Is_with_ref_doc Dim ref_docCheckBox As Integer If Is_with_ref_docCheckBox.CheckState = …

How do I set a new salary and a new department for the emp1 object class using a setPosition method. Everything works except that for some reason I just can't show the results on Message. Here is the Driver: import javax.swing.JOptionPane; public class Employee { public static void main(String[] args) …

I have started the familiarize myself with WPF and have gotten stuck with the ListView I've read a lot of documentation about binding and I can't seem to find how to populate a ListView programmatically. It seems like a lot of work to create the binding and classes, etc, just …

i am trying to print multiplication table by using for loop but it is showing only the last one instead of displaying all. :( [CODE]#include <iostream> using namespace std; int main() { int i,j, k; cout<< "enter i value"; cin>> i; for(j=0;j<20;j++) k=i*j; cout<< k <<endl; return 0; } [/CODE]

Hello All, I need to create a java code for auto numbering. A value will be mentioned in a table in database eg 10000. The java file has to retrive the database value and start the auto numbering from that particular number. It should increment by 1 for the next …

I have this try-block [CODE]try { FileReader textFileReader = new FileReader(filename); BufferedReader textReader = new BufferedReader(textFileReader); String post = textReader.readLine(); int weeknumber = Integer.valueOf(post); if (weeknumber != weeknmbr) { System.out.println("Wrong weeknumber."); return false; } post = textReader.readLine(); while (post != null) { insertPost(post); post = textReader.readLine(); } textReader.close(); }[/CODE] but …

I'm working on a simple encryption/ decryption program for class. When I try to compile, I get a number of "expected areas" directed towards the following segment of code: [code] public static char encrypt(char c, String k) { String fullcrypt = (k + "abcdefghijklmnopqrstuvwxyz"); for (int i = 0; i …

Need help about elevator sumulation for vb 6

I have created a program to generate a set of characters in an array. The objective is to move all vowels generated by the array to the left, for example: given the following array: A B C D E F G H I J K L M O P Q …

[code]import java.util.*; import javax.swing.JOptionPane; import java.text.*; class playGames{ public static void main (String [] args){ Fermi fermi; fermi = new Fermi(); int num1 =fermi.fermi1(); int num2 = fermi.fermi2(); int num3 = fermi.fermi3(); boolean playGame = true; int firstGuess; int secondGuess; int thirdGuess; String inputStr; inputStr = JOptionPane.showInputDialog(null, "Enter the First …

I am working on a WIN32 (not MFC) project. Currently it uses the default XP and earlier file dialogs. In attempting to add the option, under Win7/Vista, to use the new-style file dialogs, I have come to a stumbling block. The only code examples I can find come from here: …

Filename is "htb.java". Here is the code:- import java.io.*; import java.util.*; import java.lang.*; public class htb{ public static void main(String[] args) throws Exception{ File f= new File("dyna.txt"); BufferedReader in = new BufferedReader(new FileReader(f)); String[] line = new String[40000]; line[0] = in.readLine(); int i=0; while(line!=null) line[++i] = in.readLine(); String[] mem_add=new String[100000]; …

Hy , I am using netbeans to create an app. I wanted to eliminate the windows buttons (minimize , maximize , exit) so i could have full control on the exit button , and i used setUndecorated(true) in the PuppetApp.java (main app that netbeans creates). Now i created a exit …

here, there are two functions in branchpredictor class namely predictor and trainer. [B]what i have pointed out is that predictor is working fine but trainer is not updating the variables of the above class. is it that only first function can access the variables. [/B] if not, can any one …

Hi all, I'm having a problem here!! I've attended a lecture on Implementation of stacks in c++ using arrays and it wasn't really hard to understand, but now I'm supposed to know how to Implement a stack using linked list, that's the problem. help please?:confused:

I am just wondering if anyone has any pointers on how to index my database. It's for a piece of instrumentation software that loads in large amounts of sensor data (sometimes over 3 days worth of recording at 1 second intervals for 90 sensor's doubles). Right now it can load …

i'm writing some values which are global to the whole app. these values can change depending on the user. [CODE] // create GLOBAL SETTINGS public static class MyGlobals { public static string userName = "userName"; public static string pdfPath = @"C:\mypdfs\"; // deafult value, changes public static string FontName = …

how to find the position of a particular character in a given string in c

i dont have idea what string function must be used to find consecutive characters . example is the word commit it will output the letter m . tnx for th help :D

Hi all, i am trying to convert a dataGridView cell to a control i used the codes [CODE] Control dat = new Control(); dat = Convert.ChangeType(dataGridView1[colIndex,rowIndex], typeof(Control)); [/CODE] I am fetching the values of colIndex and rowIndes from a index code... the problem is even though i tried many codes …