Software Development Forum

I'm trying to make a cllient-server chat that only needs to be able to handle 1 connection. First, I have a data-type question: 1. At the moment I am using this code to get messages [CODE] BufferedReader ins = new BufferedReader(new InputStreamReader(sock.getInputStream()));[/CODE] And this code to send messages [CODE] PrintStream …

Basically I am reformatting a list that looks like this ko10101 K01392 K09134 ko34231 K05789 ko13452 K04665 K07881 into a csv file that looks like this: ko10101\tK01392 ko10101\tK01392 ko10101\tK09134 ko34231\tK05789 ko13452\tK04665 ko13452\tK07881 [code]while (<OUT>) { my $line = $_; chomp; if ($line =~ /^$/) { next; } elsif ($line =~ …

So here it is, this is my new problem, we were assigned to create a simple ATM Machine: Automatic Teller Machine [B] Balance Machine [D] Deposit [W] Withdrawal [Q] Quit Select you option: (input letter here) when i choose balance this window should pop out: Your Balance is 0.00 OK …

Hello, I'm having a problem with finding and printing an element in a vector. I want to search my vector to see if an element starts with a sub-string, and if it does, I want to write the whole string to a file. The first part is done, I just …

Is there anyway we can clear only a selected part of the console window? clrscr() from conio.h & system("CLS") clears the whole screen. So how to clear screen selectively? For example, one of my old code prints this, [ICODE]Enter the limit for the array size (Max: 20) 10 Enter the …

How to display data in datagridview starting from the record which we pass at runtime? In C# For example, there is 10 rows in a table. When i run the app i'll pass 5th record's value so it should show all data of table starting from 5th row.

Guys I have this kind of problem where in I have a listbox and two buttons. Each of my button is labeled UP and DOWN. When I press UP, the current item in my listbox will be moved one level (or index) up and when I press DOWN button the …

hey everyone in daniweb. i have a problem here. let say i have 2 arrays one is a and second is b. how do i compare each of them and insert to new array c? i do it like this [CODE] Dim a As String = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" Dim i As …

I am creating a library database application. I created a custom Book class to hold data from the database. My library class lets me access the data and some methods return Book objects. The problem is when I need to return more then one Book. I want the method to …

Hello people in daniweb.... i was stucked in doing my project here.. i nid to create a program that assigns a student to the available section. So.. i want to populate my data in datagridview using mySql as database.. while populating these data.. the datagridview should create a new checkbox …

Interface: [CODE]import java.awt.Rectangle; public interface Doubler { public void makeDouble(Rectangle newRectangle); }[/CODE] [CODE]import java.awt.Rectangle; public class RectangleDoubler implements Doubler { private double x, y, width, height; RectangleDoubler() { x = 0.0; y = 0.0; width = 0.0; height = 0.0; }//end of default constructor public void makeDouble(Rectangle newRectangle) { x …

Hi everyone, I am trying to find a way to highlight the active button appearance on my winform.Here I have a simple Text Editor with a richTextBox and a btnBold button located at ToolStrip which can change the font Style to be bold or not.Now I want to change the …

Hi I have a small problem with with my bubble sort. Everything else in my program works fine if I remove my bubble sort. This is the part of code for the bubble sort. [CODE] //bubble sort based on animal breed if (numberofanimals > 1)//making sure there is more than …

I have a field in my tables where the guidance counselor would have to type in Notes about the student. For example, Alex is in Grade 1 and he have an offense wherein he pushed his classmate, that note will be saved in the database. And then when he turned …

Well... im making some kind of graphic engine for console in [B]c++[/B], ASCII based, just for exercise... anyways, i was wandering, can i print text [B]faster[/B]? Right now i'm printing the whole map of characters (pix[160][120]) in a [B]single line[/B], so it is fast, however i need it faster cause …

Hi everyone, I'm trying to pass data to managed object arrays. In this case i got no errors also no correct output. So what's wrong in the code below ? Please help. PS. This code writes " MyDataType" on textBox1 ??! [CODE] ******************* * MyDataType.h * ******************* using namespace System; …

I am running trough the [url]www.winprog.org[/url] tutorial, I have run into yet another error. [CODE] #ifndef __BORLANDC__ #include "winres.h" #endif [/CODE] it says it cannot open "winres.h", which I would agree with because it is not located on my computer at all! Is this file part of some other program, …

ive been working on this script as a project, and when i run it and click on the button to sleep(its going to be an rpg game) it loops and sends the command a bunch of times through the function. [CODE] import sys, random, time, pygame from pygame.locals import * …

[CODE]# 619480 import time from random import * def main(): lst = [] result, length = 0, 500000 while result <= 0.50: for i in range(length): lst.append(randint(1, length)) value = randint(1, length) t0 = time.clock() linearSearch(value, lst) result = time.clock() - t0 print("This LINEAR SEARCH took {0:4.2f}seconds with a length …

Application coding Project Name: PhoneProblem Write a program which allows the user to input information to solve the following problem: “Sometimes it’s difficult to decide which phone to use – my mobile phone or my home phone. If I’ve got free minutes left on my mobile phone, then I use …

Problem: I'm having trouble in this part of my code [CODE] if (sexCode[ctr] == 'F') totalF++; else totalM++;[/CODE] I want my program to determine how many females and males in the list but whenever I execute my program I always get an output with an error that looks like this: …

Need help, I need to know on how can VB.net validates the format of each cell on the excel file that it opens, for example, the first row should only be numeric, or cannot be null, is it possible that vb.net can check it before it inserts it in the …

Just what is wrong with this simple code of mine? [CODE]#include<stdio.h> #include<string.h> #include<stdlib.h> main() { int i=0, num; char a[8]; char keyword[8]; system("cls"); while(i<8) { num = rand()%3; if ( num == 0 ) a[i] = 65 + rand()%26; /* 65 is the ascii value of A */ else if …

Can someone tell me, step by step, how python interprets this code? [CODE] Numbers = [1,2,3,4,5,6,7,8,9,10] Numbers[8:3:-1] [/CODE] I know that the "-1" is the counting bit of it, and it goes in the negative direction, but I'm lost on everything else... :(

hi all, I am creating a basic threaded server and chat client... so far everything is going to plan however i am confused as to how i will make two clients(which ever they maybe) connect and send their data to each other. My idea is in the server app i …

In a program i have to calculate pow(2,N) where 0<N<=1000. which data type is suitable for this? I have used unsigned long long int but its range is also limited.

Hi, I'm doing an app that adds info to a MySQL BD [CODE] Imports MySql.Data.MySqlClient Public Class curso_add Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click OpenFileDialog1.Filter = "Ficheiros de Imagem |*.jpg;*.bmp;*.png;*.gif" OpenFileDialog1.FilterIndex = "2" OpenFileDialog1.Title = "Escolha uma imagem..." OpenFileDialog1.InitialDirectory = "C:\" OpenFileDialog1.ShowDialog() End Sub …

Hi, I’m having difficulty with the GetForegroundWindow() API function and the .hWnd property. I want to check whether my application has the focus in the Windows environment and if it does, prevent an automatic time-out. I’m trying to do this by comparing the handle of the window that has the …

Hello daniweb, I've been having problems with a program I'm trying to make, in my function definitions, I'm trying to reference the output of one function in the other's definition, but not sure how to, I'm guessing pointers could help me but I'm not sure how to use them: These …

Hey friends, I want to compile a C program using Command prompt. I have the turbo C compiler. Please show me the way with a simple example.

Title says all. I need to make a code that gives the prime factorization of a number and put them in a (this is important) a list.

Hi everybody, I wrote a game in which you have to guess a number generated randomly,but when i try to assign a random number to the variable, it just doesn't work but it compiles fine. The code : [CODE]#include <iostream> #include <cstdlib> #include <ctime> using namespace std; int main () …

Im trying to put current system time in YYMMDD format but having problem with day function. is Day() which returned day of month in VB6 not available in VB.Net? If I want to get the current day of month, how would I do that? [CODE] Dim dt As Date Dim …

I am creating a simple program where a character (Picture Box) is moved using the arrow keys through adjusting the x and y. I have figured out how to detect key presses and adjust the x and y, but I cannot figure out how to redraw the picture box so …

Hey there I have a project im working on in netbeans6.9.1 I was having problems with all the bugs in that version so i went over to 7 But now all my generated code has a bug in wich messes up EVERYTING. is there something im missing? this is the …

Hi i need to get all running application not process and then list it in a listview Thank you but by the way can any one tell me how can i do an action to the selected element of a listview on buttonclick thank you all again this will help …

Hi, I want to iterate over a list, printing each item and subsequently deleting it, so that at the end, the list is empty, while all the numbers are printed out. I have tried two tactics (to me the logic for both is the same, just checked to spot the …

I am trying to Build a JAR File of Interface Classes I am using Linux and working throughout the terminal I keep getting this error Syntax error , type parameters are only available if source level is 1.5 I searched many sites and most solutions were about java on windows …

Hello, Any help will be much appreciated. I have created a page tht will show search results on a datalist. this page was running perfectly before the addition of following lines in the page Load and BtnSearch_Click respectively. if (Request.QueryString["query"] != null) { string searchParam = Request.QueryString["query"].ToString(); BindList(searchParam); } .................................... …

I have been assigned to write a program to print the calendar of a given year. Its almost complete, but, I haven't yet found a proper algorithm to find the first day of the year which is required by the function to print the calendar year. Will provide the code …

Hello again! So now i can save the picture in the database, now i have to retrieve it. this is my code for the saving of the picture, [CODE]Dim ms As New MemoryStream() studentpic.Image.Save(ms, studentpic.Image.RawFormat) Dim arrImage() As Byte = ms.GetBuffer ms.Close() Dim strFilename As String = lblfilePath.Text.Substring(lblfilePath.Text.LastIndexOf("\")) Dim cnn …

Error: Debug Assertion failed: Expression: BLOCK_TYPE_IS_VALID(pHead->nBlockUse) Code: #include "stdafx.h" #include<iostream> #include<stdlib.h> #using <System.dll> #include< math.h> #include< time.h> #include<List> using namespace System; using namespace System::Collections::Generic; using namespace System::Linq; int someSize=2000; # define SIZE 20 class queue { int aMsg[SIZE]; int front; int rear; public: queue(); ~queue(); void insertMessage(int i); int removeMessage(); …

[COLOR="Green"][b]I reworked my code into a way that was simpler.[/b][/COLOR] [COLOR="Red"]I have a URL in the following format: "http://sub.domain.tld/path/to/page" I need to extract 'path' and 'page' and discard the rest of the URL. I know about the [ICODE]System.Uri[/ICODE] class and with [ICODE]Uri.AbsolutePath[/ICODE] I can get "/path/to/page/". I need a way …

I'm trying to create 10 files with random names and random data. Each line in the file consists of two integers and represents one "record". Naming the files and generating random data didn't turn out very difficult. But for some reason I fail to recognize, while I create 100 records …

Hi All, I always have trouble with this every time I create a desktop app which needs to update data from a database. So, I have created and coded my form to load data into a data grid view control, I can add data to the data grid view and …

i'm a beginner for coding at java . net now i got a problem with input the port plz see the code [CODE]package test; import java.net.*; import java.io.IOException; import java.net.DatagramPacket; import java.net.DatagramSocket; import java.net.InetAddress; public class UDPCliet { final int buffSize = 10001;//buff size final int TIMEOUT = 3000; final …

I have using following code over jdk 6.0 but after first round it doesnt work .... [code] if(table.getRowCount() -1 == table.getSelectedRow()) table.editCellValues(0,columnno); else table.editCellValues(table.getSelectedRow(),columnno); [/code] These lines are in mouse clicked method... Problem is when it reaches to end, and when fw button is pressed it jumps to another column.... …

Hi, can anyone advise how to make a button run code only while it is pressed? Basically I have found this code on the Net for changing the system volume, but you have to keep clicking on the buttons to change the volume. I want to be able to hold …

hello, i want to get some guidance from the reader who read my post. I'm doing a game called deal or no deal using c++ and i can't think of other way to print the box's number instead of printing the value inside. what i want to do is, user …

Dear All, I'm new to C, and would appreciate your help about the below code. The purpose of the program is to multiply the elements of the array and print the result. The user enters the value for how many elements he wants to have multiplied, and then the function …