Software Development Forum

How to read only integers from a file in java? Suppose the file has something like this: (14,2,3),(2,3,4) (2,6,78) Now I want to read only the integers not the brackets and commas.How do I do it?

i want to get the row(s) when the checkbox is check/uncheck in the listview.. thank u... [ICODE] For Each Item In CheckedItems If (Item.SubItems(4).Text) = "Cash" Then 'Code Here ElseIf (Item.SubItems(4).Text) = "Check" Then 'Code Here End If Next If (e.CurrentValue = CheckState.Checked) Then If LstvwBankDeposits.Items(0).SubItems(4).Text = "Cash" Then 'Code …

Requirement 1) Modify the code to find and print sum of the same series from 1/2 through 1/n multiple times, where each n is read from data file. Requires nested loop with the inner loop summing up series and outer loop allow inner code to repeat once for each n …

The question is as follows: Write a program to read in a word that is up to 10 characters long. See if any 3 consecutive characters in the word are found somewhere else within the word. If they are, echo those characters to the screen. For example, if the word …

Hi, Can anyone please tell me how to solve this calculator code with using [B]cases[/B]? I really don't know how to conclude it. It doesn't matter if code is long cuz of cases. Code: [CODE]using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace Calculator { class Program { static void …

I'm trying to make a program where you enter the number you want to find primes up to which then lists all the primes up to that number... But I enter 100 then it just sits there... Here's my code so far: [CODE]#include <iostream> #include <cmath> int prime(int); int main() …

I am in the process of taking my first java programming class, and this question may be simple for some of you. Here is the question.. Write an application that reads five numbers between 1 and 30. For each number that is read, your program should display the same number …

could someone please explain to me the differences of these languages (C, C++, C#) and when i would use them. (i know a little C++)

hi, i have a function that returns a string. For eg: 11111 or 11011. 1 is Pass and 0 is Fail. i want my code to scan the string from right to left side and also look for 0 and indicate its location. Below is my code. But i'm having …

I understand the concept of bubble sort and have no trouble implementing it, but I can't grasp the concept of doing it for 2D array. I've googled for some resources but I was unable to understand those codes. So let's say I have a 2D char array with words (maximum …

Hey there. Its Ruan I have a little problem. I have a column Student number, and i can access all the individual student number values in the database ACCEPT one... the very last one in the column. this is my code [CODE] String StudentNumber = myDS.Tables[0].Rows[myDs.rows.count]["Student_Nr"].ToString();[/CODE] but when i do …

Im aware of the different data types in java but say if one wanted to have two different types of data in a single array; integer and string, would this be possible? Im aware that java can have an array of each type but I stumbled upon using this and …

My homework says: Write an assembly language program that, when given an integer n, will calculate the value of the expression (2n^2-1)2 + n^3. Your program is to get the value for n from ECX and is to leave the value of the expression in EAX. (Note: The name of …

Hey Daniweb, I am looking to FTP into a server, take a list of filenames, and store them into an array, so I can eventually write them into a text file. I am currently having an issue with the storing of the ls into a local array: [CODE] use Net::FTP; …

Here's a defined enumeration: enum shipCost {FIGHTER_COST = 25, BOMBER_COST, CRUISER_COST = 50}; Then they do this which I don't understand: shipCost myShipCost = BOMBER_COST; My question is why don't you just do the following instead? int myShipCost = BOMBER_COST;

Hey i am beginner and i read a book about c++,and i like to do all the exercises alone until i find alone the solution. but one of the topics that give me a hard time is recursions. i am on an exercise with the following code. [CODE]#include <iostream> using …

Guys: Please help. I need to create an on-screen shape (circle) that has a fill color, which will blink every X seconds (go from fill color, to white, back to fill color). This is trivial to do...BUT... i want to do it in my own class, so that I can …

Im getting this error while im working on my pig latin code and have no idea what it is referring too. so here is the error and my code. ill specify the piece of code that is erroring. [code] #include <iostream> #include <fstream> #include <string> using namespace std; bool isVowel(char …

Thank you for your help so far.I try now to move on with my vector but now comes the hardest part. All the values that the float vector receives must combine somehow that the value of their addition do not overcome 12. So in other words even if I have …

Hi, guys I'm new to this forum, and also kind of new to C#. I actually develop programs in C# for 2 years, but in a very amateur level. Here is my question; I'm trying to make a game like [URL="http://www.techgadgets.in/images/block-d-puzzle-game.jpg"]Block'd[/URL] I found the way to create an array of …

[CODE] Dim mark_value() As Integer = {30, 40, 45, 50, 55, 60, 66, 70, 75, 80, 85, 90, 95, 100} Dim Grade_value() As String = {"W", "F", "-D", "D", "+D", "-C", "C", "+C", "-B", "B", "+B", "-A", "A", "+A"} temp = rdr(c2) For c3 = 0 To 14 If temp …

hello guys, i have the following question/problem: -what i need to do is to get some data from sqlserver and send it to a dataset(no problem there) after i get the dataset filled i need to send the columns and rows to a textfile but i have to separate the …

Hi All, I am a newbie at java and need some help. I have a JFrame setup where basically I want to show two pictures. I have everything setup however at sleep, timers ect dont currently work and I dont know why. The snipplet of code below should show imagePanel1 …

Ok, so I have to write a program for school that will read data from a text file, split the data (comma delimited) into the correct type, pass that information on to a class, store the class object into an array. This is what I have so far: [CODE]import java.io.*; …

Here is my problem: Write a program that reads in a text file and converts it to pig Latin. i.e. if the first letter is a consonant, move it to the end and add “ay” to the end, if it is a vowel add “way” to the end. Here’s an …

Hi i need to add a combo box to a property grid that can be populated with the result of an sql statement, i can more than likely populate it when i come to it but i have no idea how to add the combo box. Currently i am creating …

Hi All, Just a quick question to see what others think is the best preactise... You have an Windows application that connects to a SQL Server DB. You use a dataset to represent the database locally. Is it better to write queries locally in your dataset, or in SQL Server …

i have been strugling to identify my error but i have failed to solve the problem my code errors is incompatible types in line 11. [CODE]import java.io.*; public class Appliance { public static void main(String args[]) { try { File file=new File("Name.txt"); FileReader f=new FileReader(file); int ch; while(ch=f.read()) { System.out.print((char)ch); …

hello all i m working with datagridview in c# .... i have a checkboxcolumn in my datagridview..... the problem is that whenever i check the state of checkbox column in all the rows in order to perform any further operation the current row doesnt include in the checked rows although …

I'm trying to make a QR encoder that takes a text file of URLs and names and generates QR bar codes with the URLs and names. Can anyone point me in the right direction?

Hi Guys, I have written a program in VB 6 wherein I want to delete a particular record from MS Access Database Table. I noticed that the record does not get deleted immediately. Only after I close the recordset it disappears. I have a Delete Command Button in a Form …

Hey for hw i gotta do a program that spits out the perfect squares between 0 and a number entered... well i got it done but it spits out 1 extra number that goes OVER what the person entered... here's my code. [code] public static void main(String[] args) { String …

hi all, f1 =['0.2' , '0.4','0.0'] f2 =['0.1','0.2','0.1'] f = f1 - f2 i need a output like f = [0.1,0.2,-0.1] but wen i run this program it is showing error like [B]TypeError: unsupported operand type(s) for -: 'list' and 'list' [/B] thanks in advance.........

Hi everyone, I am new to C++ and I'm having difficulty getting this program to work to calculate Haistone numbers. So please - any advice or solution as to what I'm doing wrong would be greatly appreciated. The program is to take two numbers, and then for each number in …

Hey everyone, My problem is that in my program below I made an indefinite loop for comparing strings and values, my problem is on line 60 & 61, the loop automatically accepts whichever if statement is on line 60 when I test for an uppercase and lowercase char, as soon …

i have a (check style)list box which have some items.i want to remove more than one items which are selected(checked) . this removing event is done by clicking on command button. but it gives error of "invalid property array index" plz help me to correct this error.... [B]this my coding.....>>>[/B] …

Hi all, I'm mostly into my Java so I'm not even sure if I gave the post a proper heading. Basically I'm trying to read two matrices from the command line and print them out. Reading works as far as I can tell but when my program tries to call …

I'm having a problem with user control.. how can i disable from the panel the user control if another user control is selected from menustrip??? here is my code at the moment [CODE] Private Sub LabToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles LabToolStripMenuItem.Click If LabToolStripMenuItem.Enabled = True Then …

So, in the course of a numerical simulation I have noticed that if I save and load the state of my system (a large number of doubles), the following behavior of the system will be slightly different from if I just kept the info "inside the program" and didn't bother …

Hi guys pls help me with my problem this is for my update code [CODE]Private Sub BtnUpdate_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtnUpdate.Click Dim StrSQL As String = "updatePatient" classLibrary = New ConnectionLibrary classLibrary.openConnection(strConnection) 'label1.text = databasestatus If Not classLibrary.isConnectionOpen() Then Exit Sub End If classLibrary.initializeCommand(StrSQL) classLibrary.addParameter("@IPD_ID", …

I have this string function that should calculate the average of and array compare the values of the 12 numbers and output which month has the highest temperature -(0-11) = (Jan-Dec) -all variables not defined in the function are defined globally The problem is when I compile and run the …

Hi All, I really need some help. I have been asked to write a search screen for a rooms booking application. I have kept the design nice and simple so all the user has to do is enter the dates they want to book a room for and the results …

Hi all, I have begun workin on getting c++ to do physics and things for me so im working on some maths functions. starting small and working up, Just did this one on prime number generation and was wondering if anyone can point out any ways it could be ,made …

CAN ANYBODY HELP ME............. see i've created a label and a pictureBox..............in the below code when i press the key "A" the count begins which is been displayed in the label........and also during when pressing ("A"), the picture "RedSlideButton.png" is displayed within the pictureBox , and on releasing ("A") the …

Hi Everyone, I am trying to compile a code and I keep getting error C2064: term does not evaluate to a function taking 1 arguments here is my code(actually I got it from a book),can anyone help me what is wrong? thanks Negin #include <iostream> #include <math.h> using namespace std; …

Hi guys, I'm sure that the answer to this is simple, but I don't know what it is and it's bugging me. For reasons that aren't important, I'm trying to make a kind of light-ish weight array class. I want to be able to use syntax like that of [icode]std::vector[/icode] …

1. Do we have static classes in C++? 2. If so what are they useful for? 3. Is this the name given to classes that should not be allowed instantiation? 4. If so, how is it different from abstract classes?

Guys forgive me if this topic is belongs to database forum, i don't have a clue if this topic is for database or vb.. Guys can you give me some idea on how will i link my login accounts that are stored in the database on their own profile forms(vb) …

can anyone help me............... in the attachment i've made textfield and a button.........in that on pressing "A" the count begins which is been displayed in the label..........but the speed of the counting is very fast when pressed down without releasing......can anyone tell me how to reduce the speed of the …

[CODE]class MOrders { int nooforders; // Data members of the class public int getorder() { nooforders = 500; } public void displayorders() { System.out.println("The number of orders to be delivered: "+ nooforders); } public static void main(String args[]) { MOrders obj = new MOrders (); obj.getorder(); obj.displayorders(); }[/CODE] getting a …