Software Development Forum

Hello I am not sure what is getting serialized. I would like to serialize a JInternalFrame. So what do I send my SaveFrame.java. because it puts a file "null.dat" in the folder. I sent the frame got null.dat sent something I thought was the class of the frame (as shown …

theoretically - when using unint16_t (unsigned integer of size 16) I have two arrays of these unsigned int and i am going to use [CODE]memcmp[/CODE] for example: [CODE] uint16_t a[ARRAYSIZE] = {0,1,2,3,4,5,6,7,8,9,10}; uint16_t b[ARRAYSIZE] = {0,1,2,3,4,5,6,7,8,9,10}; if (memcmp(a,b , sizeof(uint16_t) * 16) == 0) { return true; }else { return …

there are two scripts, first, square.h second square.cpp this test program is trying to calculate square and cube of the given number but i have a problem with cube function definition. [CODE] #include <iostream> #include <conio.h> using namespace std; class square { int x; public: void set_values (int); int erek …

I put one smaller picture box inside the bigger picturebox. The annoying thing is, I cannot have a good picture, because the my smaller picture is in rectangle shape, while the smaller picture box is in square. So there is a residual space in the smaller picture box that I …

Array of Random Numbers Write a program called Random50 that fills an array with fifty random values between 1 and 999. However, before a random value is entered into the array the program must check that the number generated is not already in the array. If it is already present …

Hello all, I am hoping you point me in the right path here. How do I open a workbook when a value in the listbox is clicked? Thankyou

Hi! I want to create a stopwatch that will counter seconds starting from 0. This code worked in case of a real time counter (using Calendar). However, now the counter is fixed on 0. Does anybody know what could cause an error? Thanks! [CODE] timer = new javax.swing.Timer(1000, new ActionListener() …

Hi, in my VB6 app, there are ADMIN and USER type that can log in. Is it possible that ADMIN can monitor USER activities like when they delete the data, who had log in into the app and else? Thank you

I am using the code below to update the fields in a table.bt it update only first recorde ..where m i doin wrong plzz. help me..! [CODE] StChk.Open "SELECT * From SPINF WHERE STATUS='Active'", Con, adOpenDynamic, adLockOptimistic FeeTrans.Open "select * from TBLFEE ORDER BY VOUCHERNO", Con, adOpenDynamic, adLockOptimistic Do While …

I was wondering. Is there a way to write something from one method in to a result file instead of outputting to screen? To describe a little better, in pseudocode: [CODE] #include <iostream> #include <fstream> using namespace std; class Inputoutput { private: ifstream fileOne; ofstream fileTwo; int i; //More variables …

I am getting an array out of index error 26 pls I really need help. [code]import java.util.*; import java.util.Random; import java.lang.*; public class testing1 { public static void main(String[] args) { String pass = new String("ENTER THE HAMLET HAM TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER …

I've learn python and I won't say that I know it all, but I won't see anywhere except google will use python. New programming language like python and ruby, do they have space to grow?

Hi guyz. I know this is a simple one but Im a bit confused in doing this. Basically, I want to get the Screen Resoultion of the client machine using my JSP. I have this code in my Bean. [CODE] Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize(); return screenSize.getWidth(); [/CODE] Problem is it …

Hello, I am trying to return the union of two ArraySet Strings as a third; however, the compiler is complaining: found : jss2.SetADT<java.lang.String> required: jss2.ArraySet<java.lang.String> union = one.union(two); I was thinking I could pass an ArraySet<String> as the parameter but unfortunetly I am stuck here. Any suggestions on how to …

Hi, I am writing a code that reads input from user to create a linked list database at the same, time it write the data received in to binary file. when I run the program is supposed to prompt the user to enter the data for ten time, however the …

Hi, Is there anyone who know which complexity these functions are? I mean O(n), O(n^2), O(n^3), n log(n) or log(n) 1. --------------------------------------------- [CODE]void bogosort_array(double a[], int length) { do shuffle_array(a, length); while (! is_array_sorted(a, length)); }[/CODE] 2. --------------------------------------------- [CODE]void reverse_string(char* s) { int n = strlen(s); for (int i = …

Hi guys. I am hoping for a little help with this. I am pretty new to programming and just can't seem to get things right yet. Here is my code. It returns like 40 errors. Way messed up eh? [CODE]#include <iostream> #include <string> using namespace std; class Date { public: …

Hi! I would like to add a timer to JTextField. However, my timer does not run. Could you, please, tell me what is wrong in my code. Thanks! [CODE] timerTask = new MyTimerTask(); timer.schedule(timerTask, new Date(0), 5000); // 5 seconds delay ... private class MyTimerTask extends TimerTask { @Override public …

I'm attempting to make a Tic-Tac-Toe against the computer program, I'm pretty much done, but i can't figure out how to stop the computer from making the exact same move as the human does. Thank You. [CODE]// Include the libraries #include <iostream> #include <string> // Use standerd namespaces. using namespace …

I have a problem that needs fixing How do you get all open tabs shown in a KryptonListbox My fail attempt : TabpagesHtml.Items.Add(Form1.SuperKryptonNavigator.Pages.Item(0)) : :@

Hi everyone im a bit confused with my work and i hope you can help me. i need to get some values from a text file and enter it into a 2D array ive done this part ok with the following code however in my file i have some other …

hey guys/...am stuck at one point....help me please! ! ! its a quiz progg... one ques...4 options... i have one button---NEXT QUES--- It should display the next ques--it should also take the user selected option, compare it with the correct option and show if the Answer is right or wrong …

Hi, im trying to figure out how to call a function's variable from here [CODE]def legal_moves(board): moves = [] for square in range(DINNER): if board [square] == SPACE: moves.append(square) return moves[/CODE] I want to take the variable moves and use it for main How would I do that?

Hey guys, im just learning how to use methods but I really cant seem to understand them. We have a question where we have to write a program for the following game. There is a little known dice game which is played with a pair of dice and has the …

Hello everyone. My name is Mike. I am a new member :). I hope to be using this forum quite a bit to extend my knowledge base on c++ and java.(just wanted to introduce myself being my 1st post and all lol) Well my class was tasked with making a …

Hi guys, Im pretty new to programming so bear with me if you think this is baby stuff:P Ive just been introduced to methods last weeks and after a week of study Im no better at understanding them. The problem is I just seem to grasp how to you them …

Hi all, I am trying to update the colour of a Tkinter label, so as the value of a variable changes so to does the colour of the text. Below is a simple example of what I am trying to achieve, but the problem is when I press the button …

Hi there friendly people of daniweb. My problem is that when i double click an executable jar file, nothing happens. Even when i use command prompt and type java -jar "filenae" it doesnt work. Any ideas why?

hello, i want to be able to split this string: "StraightPath1, 1, 2" into 3 sections: name, x, y. but when i use this code:[CODE]string[] pieces = line.Split(',')[/CODE] it only i can only read the last 2 parts like this: [CODE] string Name = pieces[0]; //output: null int X = …

i have written the code in client,server,interfaces.i have created stubs and skaleton. i have run rmiregistry very well.i have run server.i have an error in client side,when i run client.it is moving to the catch not looking up to the correct address of server. the code of client is: [CODE]import …

hey guys... i made a database using Access....it consists of questions and 4options each... i made a quiz progg through java and connected the database using jdbc.... before,since it was my trial attempt, i entered silly ques into the database like whats ur name with 4 options....just to check if …

Hi, I want to copy a row from a 2d vector in an existing 1d vector. I found a similar tread, which copies into a newly defined vector as such: [CODE]vector< data_type > copyRow( vec2d[3].begin(), vec2d[3].end());[/CODE] Now I want to change this code, so that copyRow already exists. My idea …

Hi folks, I'm writing some utility classes for a project, and I've written an abstract class called "XPObjectTable" that displays a table of objects of a given type. To refresh this, I'm using "AbstractTableModel.fireTableDataChanged()". Now I'm writing a similar class for JList, but can't find a similar method (i.e. "AbstractListModel.fireListDataChanged()"). …

Hey i want to open Tabpage 2 when i click button 1 on Tabpage 2, how to do it? :)

Hello aLL I need a small help from you guys.. I am creating project in VB6.0 and access 2003, form has combobox,tab control,textbox msflexgrid .. I am trying to retrive data from database.I have a sub procedure which is nicely working for all controls except combobox. while debugging I found …

Hi guys! i am stuck in my fraction program. i hope you guys can solve it. here i have posted my code. i am trying to get for e.g. 4/2 need to get me answer like 2/1 or 2/4 show me 1/2. i hope you can help me out. i …

Hello, I'm trying to take a C array of char's and trying to take all of the spaces out of it. Yet I keep running into a segmentation fault. Can anyone help me here? [code] #include <stdio.h> #include <stdlib.h> int strlen(char* Str) { int toret=0; int i=0; char tmp = …

Hello, I currently have been coding this. [CODE]Imports System.IO Imports System.IO.Compression Imports System.Windows.Forms Imports System Imports Ionic.Zip Imports System.IO.Path Imports System.Net.WebException Imports System.Net Imports System.Text Imports System.Net.Sockets Imports System.Security.Cryptography Public Class Main ' FTP upload Private Sub FTPU() If ListBox2.SelectedItem = Nothing Then MsgBox("Select world.") Else Dim clsRequest As System.Net.FtpWebRequest …

Hello, I'm trying to change the look of java apps to something native. In my first JFrame, I'm using: [code=java] try { //org.fife.plaf.VisualStudio2005.VisualStudio2005LookAndFeel //de.javasoft.plaf.synthetica.SyntheticaStandardLookAndFeel //com.jgoodies.looks.plastic.Plastic3DLookAndFeel //UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel"); UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel"); } catch (ClassNotFoundException e) { e.printStackTrace(); } catch (InstantiationException e) { e.printStackTrace(); } catch (IllegalAccessException e) { e.printStackTrace(); } catch (UnsupportedLookAndFeelException e) { …

Im having problems with my input validation. Its not working correctly. Keeps repeating the validation loop even when i enter something that should be correct. basically im trying to make it so that the only valid answer is either uppercase or lower case letters a-d. [CODE]#include <iostream> using namespace std; …

I have just started using python and am trying to write a program that generates 200 random numbers in the range (1,50),then counts the number of occurrences of each number and prints the frequency of occurrence. I have created the part of the code which generates the random numbers. I …

Can some one please suggest a good advanced book on Concurrent Processes. I am a bit week in it and would like to give a lot of time to improve

Hi. I have a function that needs to split a string on the seperators given by the function. so if i had the seperators as !.?: then it should split the string at those points. if i have a string 'hello. world! hello.' how can i return a list with …

Hi guys, I need some help with sprintf. I get the general idea, and I think everything works, but my MessageBox will not diplay the right text. [CODE]int a = 25; char buf [80]; sprintf(buf, "%d", a ); MessageBox(NULL, (LPCWSTR)buf, L"Sel Change", MB_OK);[/CODE]

Hello Members, The following Client/Server does a simple chat where I am able to send and receive one line at a time. How should I proceed if I were to send at aleast 4-5 lines at a time. Any help (with some sample pseudocode) would be of immense help. Thank …

This is supposed to be a code for a video game store [CODE]#include<iostream> #include<fstream> using namespace std; ifstream infile; struct VideoGame { string Name; string Genre; string Publisher; string Developer; string Platform; string Price; int count; VideoGame *link; }; void CreateList(VideoGame*& first, VideoGame*& last); void CheckOut(VideoGame*& first, string title); bool …

Here is my code, I want it so you type something in to the textfield and then you press the button next to it which puts the text in the textArea. It compiles but when you click the JButton it errors out, I'm a beginner to Java anyone know what …

Dear programmers)) Please tell me - why in С# this line [CODE]string [this.LevelNumber] mass = new string [this.LevelNumber];[/CODE] isn't permissible? What can be an equivalent for it? Thank you for your answers)

I'm trying to sort a 3D array and having little success. I have read various methods on how this is done for two dimensions, but I can't seem to scale it up. example array: [CODE]r =[[['steve',1, 40], ['steve',3, 20], ['steve',2, 30]], [['john',5, 50], ['john',6, 40], ['john',4, 30]]][/CODE] I want this …

Hello, I'm doing a Converter, from Roman to arabic and the other way. Now I need help to do a program who can do bigger numbers/letters than 3999. I must use the information: (M) is 1000 *1000 and (L)= 50 * 1000 etc. So ( ) means 1000. I must …