Software Development Forum

Hello! I need to read from a txt file ip:port (or in some lines ip:portDdateCinteger). But i can not do it because there is no nextChar method on Scanner class. The txt file is like this: 332.234.32.11.11.222:8080 123.32.45.43.32.11:8976D12.01.2010C5 44.44.111.114.44.43:220 222.333.44.55.66.77:8089 111.11.11.11.22.33:8080D01.01.2009C1 ... There are million line on txt file. I …

How to add serial number like column in jtable at left side of jtable?

Hi OK, so I am reading on OOP in Python, and I am an old C/C++ programmer so I have somewhat high expectations :). My question is regarding private/public variables. Per default, all class data members are public, but if we precede them with a double underscore, they become private. …

Hi all, i made some modifications to my code which i wrote previoustly. But when i run it, the previous code is executing. i showed a msgbox inside button click.Next day i erased & it wrote a different code. when i click it still the msgbox is being appeared. PLZ …

So I have 2 picture boxes, a textbox, and a button. One of the picture boxes adds another row with the same controls but moved down when clicked and the other picture box (should) remove the same row that it was clicked on. I have PictureBoxAdd1, PictureBoxRemove1, TextBox1, and Button1 …

Hi, I'm trying to check the login. The values of id and pw are send from a textbox and the values of userid and password are from a mysql database. I try to compare them and if they are equal i want to return true and else return false. But …

Hi guys I encounter an error everytime I run my recursion program which contains a messagebox. Here is the error: The name 'MessageBox' does not exist in the current context and here is my code: [CODE]using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace ConsoleApplication10 { class Program { static …

Hello, im writing a C program that needs to get a value from my database and put it into a temporary table. so far i can get the value from the database and insert it into my temp table. if i fill in the right value in the where clause …

hi, I am trying to make a calculator and I need the stringstream function to convert a a certain part of a string.[CODE]string n1 = "243+79"; int n2 = 0; stringstream(n1[0-2]) >> n2; // this converts the 243 from n1 to an int[/CODE] Any solutions?

Pease please help.. with visual basic 2008. I am trying to get ListView to work but it does not for me. I already set up ListView with 3 colums, but the coding is not working first column called ITEMS, second Quantity and 3rd is PRICE. All items are on Buttons …

I am having trouble structuring an sqlite update statement that has multiple parameters. The following code does not raise an exception, but nor does it update my table. After extensive googling and searching Daniweb, I think I'm looking right at the blindingly obvious and missing it. I have a list …

Hi Everything in Python is treated as an object, so [CODE] i=5 i.imag [/CODE] makes sense, i.e. the variable [I]i[/I] has some associated methods. But why doesn't the following example work? [CODE] 5.imag #error [/CODE] One would think that it should work, since the integer "5" is an object just …

Can someone please tell me what i am doing wrong with this code. I have created a dataset and want to push that data into crystal reports. [CODE] Dim rpt As New CrystalReport1() 'The report you created. Dim myConnection As SqlConnection Dim MyCommand As New SqlCommand() Dim myDA As New …

Hi, I'm just trying out something with returning values to a variable and I've encountered a problem. Basically the program is supposed to return the value of [CODE]string x[/CODE] as either true or false from the [CODE]isEven[/CODE] function, then the [CODE]void output[/CODE] function should output the value of [CODE]string x[/CODE] …

I'm writing a program but I don't understand the question that well could someone help explain what I have to do. Also, I am having difficulty making the methods could someone help, because I am getting an error every time. This is the Question. Write a cash register class. It …

Hi.I have a piece of code that compiles without even a warning on the borland 5.5 compiler yet complains bitterly when compiling with g++.I've heard that g++ emits more portable code but shouldn't they both be standard compliant?From what i've read in the '98 standard book this should be legal …

Whats the difference between [CODE]using namespace NameSpaceName;[/CODE] and [CODE]namespace NameSpaceName;[/CODE] ?

A recent assignment involved using very large integer values. A formula and very large x values were given and we had to compute the value of f(x). The tutor suggested using long long values as the 0 < x < 10^18. The function F(x) = F(x/2) - x if x …

[CODE]1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A * * * * * * * * * * * * * * * * * * * * B * * * * * * * * …

Hello all! Okay, I have made a very small stand alone application used basically as a program launcher for a very specific purpose. The application will be run off of a thumb drive, and used several times a day, and on several different machines, for about a month. No internet …

Hello everyone. I've been programming on a co-op RPG for quite some time now, but my networking side has seen some troubles. I'm using the lower level serverSocket-Socket way. Everything runs flawless within my own network, however connection over the internet is where the trouble is. I understand this is …

Hai all, AM trying to connect java with database .I created class called data manager with several methods like setdburl(), getdnurl() ,etc.. i called the set functions inside another class and assign values. in set method i assigned LOCAL VARIABLE. when i call get url method it shows null value.. …

How to keep look and feel of java program as classic windows style , even the style of the windows change to windows xp look, or aero look? I mean permenantly keeping classic look? Has any one has any idea? Thank you............... for any advice , help... :)

need help on this; I want to have the textbox4 to have the sum of columns based on their employee Id. I have this code but kept getting error. strsql = "SELECT emp_id, COUNT(acdcalls) FROM CMS WHERE emp_id= '" & TextBox1.Text & "'" oledbcon.Open() Dim cmd As New OleDbCommand(strsql, oledbcon) …

Instance variable does mean you will get new value with every new object created of particular class rite? I tried it myself eg: [CODE]class simpleinstcheck { static int i; void incr() { System.out.println(i++); } public static void main(String args[]) { simpleinstcheck sc= new simpleinstcheck(); sc.incr(); simpleinstcheck sc1= new simpleinstcheck(); sc1.incr(); …

Hi, How to restrict user to copy and paste datagridview data to word or anywhere. How i can do this. Thanks in Advance........................

Guys need help.. I have button that adds element in array and displays the item that is added in array in the listview, And also i have button that deletes it but it's not working. Here's the code: [CODE]Private Sub btnRemove_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnRemove.Click …

Hi, i am compiling the code in HP itenium server and i am getting an error. "Filename.cpp", line 129: error #2308: more than one instance of overloaded function "std::basic_string<_CharT, _Traits, _Allocator>::assign [with _CharT=char, _Traits=std::char_traits<char>, _Allocator=std::allocator<char>]" matches the argument list: function "std::basic_string<_CharT, _Traits, _Allocator>::assign(const std::basic_string<_CharT, _Traits, _Allocator> &) [with _CharT=char, _Traits=std::char_traits<char>, …

Hi Guys, I'm kinda new at this..but I need help cause I keep on getting this error and I don't know what's wrong with it. So Please Help Me. Thanks. Here's My Code: [CODE]#include <iostream> using namespace std; int addition (int,int,int,int,int, int); int addition (int a, int b, int j, …

I'm newbie in java, can you help me to this code. the image needs to move diagonally [CODE]public void actionPerformed(ActionEvent e) { x += 3; if (x > 600) { y = random.nextInt(600); x = random.nextInt(-45); star.setX(x); star.setY(y); }[/CODE]

[CODE=c]# include<stdio.h> # include<string.h> # include<stdlib.h> int main(int argc, char **argv){ // Declare Variables char barcode[50]; int count; long long intBarcode; long countryCode; int dig0, dig1, dig2, dig3, dig4, dig5; int dig6, dig7, dig8, dig9, dig10, dig11; long long num; long rem, sum; int checksum; long long manufac, product, language, …

hi guys havent been here for a while , im a fairly competent vb.net programer but have a problem think im just missing something ,im working on a fairly big project but im gonna keep this question small and simple . if i have 2 forms amd one module the …

Is it possible to use #ifdef with Boolean AND and OR? For instance something like [CODE]#ifdef WIN32 || WIN64 cout << "This is Windows." << endl; #endif[/CODE] The above doesn't give a compiler error for me, although it doesn't evaluate the or condition.

Edit: The title could have been more descriptive, I am sorry for that! Hello! First time poster, frequent reader. I am very green to both programming and python, trying my best and this board has been helpful just by reading. Now, I have a problem of my own that I …

Hello Friends.. need a help with Merge Sort I tried to implement Merge Sort using Java language..I followed Introduction to Algorithm book for the algorithm.. but the code generates errors.. please can anyone explain this to me.. why these errors pop-up ?? [CODE] package test; import java.util.Random; public class mergeSort …

Hello, how to insert a pdf file in database(ms access) using vb.net anybody can help me please? thanks ^_^

I've been programming in C++ for quite some time now and I know all functions must return a value.. but can someone tell me WHY we return 0? I mean it compiles even when I don't put return 0.. and the program executes fine.. I can see in some functions …

Can any one tell me how to make a program to Generate Palindromic numbers?

I put a few solid days into finding a working method of capturing the screen and they either didn't compile or weren't quite what I was looking for. I am wondering if anybody has any example code to capture the screen every 10 seconds and save it to bmp. I …

Hi, I'm making an MVC pattern based app and I though I would learn the principles first. I have reached a stage I need to connect the three elements. When Controller receives user action It calls right model. Now I need to register callback function so that when Model is …

[CODE] Private Sub cmdCancel_Click() txtcode.Text = "" txtdescr.Text = "" txtumsr.Text = "" txtqtyh.Text = "" txtuprice.Text = "" End Sub Private Sub cmdSave_Click() Dim itemcode As String * 10 Dim descr As String * 10 Dim umsr As String * 10 Dim qtyh As Integer Dim uprice As Currency …

Hi :) i placed a picturebox and paint on it inside the program with FillRectangle/DrawEllipse/FillEllipse etc. now all i want is to check if the pixel color under the cursor is == Color.Black but i encounter problems... i made this: [CODE]Bitmap myBitmap = new Bitmap(this.pictureBox1.Image); Color pixelColor = myBitmap.GetPixel(Cursor.Position.X, Cursor.Position.Y); …

I'm creating a simple Slot Machine. one button for the start, and 3 stop buttons on each tiles of Picturebox. my problem is, Every time i clicked each of the stop buttons, the Picturebox won't stop. I need help in which, if i clicked the stop button on a corresponding …

is there any open source project for custom menu for java desktop app?

Hi, I'm trying to send an email using a lotus notes account and c# which is working fine. It is a two part mail which consistes of an HTML formatted message and attachment/s. The problem i'm encountering is when I have multiple attachments in different file formats. For example when …

[CODE]public void readArguments(String[]args ) { String [] readArray = new String[ 10 ]; Scanner readscanner=new Scanner(System.in); // read values from keyboard into array System.out.println("Enter your arguments or type Exit to exit the loop"); for ( int i = 0 ; i < readArray.length ; i ++) { if(readArray[i] =="Exit" ) …

Hi, I have a string like "a_b_c_d". How do I get only c out of this string? Thanks

I'm creating a search function for my program, and need some help with SQL. Until now I have been using simple SQL query like [CODE] "SELECT post1 FROW table1 WHERE a=b" [/CODE] and put it into arrays. Then using that info to do another query, put it into arrays, and …

Hi. I am having a problem in creating of one simple program in Python. Here is code. [CODE]import wx class bucky(wx.Frame): def __init__(self, parent, id): wx.Frame.__init__(self, parent, id, "Testing erea", size=(280,400)) panel = wx.Panel(self) food = wx.Button(panel,label='Food',pos=(10,10),size=(80,40)) pets = wx.Button(panel, label='Pets', pos=(100,10), size=(80,40)) self.Bind(wx.EVT_BUTTON, self.food, food ) def food(self, event): …

Dear All, i have been tugging my hair out for 3 days and i cant find the problem !!! im writing a code in Aglets, i have to classes, Master and SayItAglet [B][U][COLOR="Green"]Master.Java[/COLOR][/U][/B] [CODE]package simple; import com.ibm.aglet.*; import java.net.*; public class Master extends Aglet { private AgletContext thisContext = null; …