Software Development Forum

hi, all ... very new to java, but plugging along somehow ... however, i have an assignment that wants me to find the value of all of the inventory of a product and i have the entire code, but the method that i created to calculate the value ... calculateTotInvent() …

[CODE] #include <vector> #include "Rab.h" class Envo { vector<Rab> items; };[/CODE] the error is: [ICODE]error: 'vector' does not name a type[/ICODE] I can't find ANYTHING that's wrong. Is someone else able to find it? BTW, Rab.h contains the class 'Rab'. Jack

I have a Windows aplication where i want to click a link in a website automatically after an automatic login.Now i am done with automatic log in.but unable to click the link which is enclosed inside <a> tag eg: <a>to be clicked link</a> any help will be appriciated

hello all how to put more than one JLabel in a vertical direction,and right align by computing the length of each of JLabel.Text so the appearance like below Name: Position: age: thank you denny

I know alot of you guys get the same posts over and over about intro JavaII Classes, but I have tried to refrain from asking something that has already been solved and try learning on my own, but Im stumped. Im having trouble with this program, specifically at my calculation …

Guys I have this string: [CODE]mystring = 'blue, pink, red, red, red, white, long, short, blonde, blonde'[/CODE] I want to: 1.) Split it into a list, 2.) Erase all duplicates 3.) Sort it out alphabetically so I did this: [CODE]mystring = list(set(mystring.split(', '))).sort()[/CODE] But why when I go to call …

I cant seem to login into my crystal report viewer. It wants me to login with the user name and the password. I've already provided the UN and the PW during the crystal report database connection. I really do not know why it fails. I only have these codes. [CODE] …

I am using WebBrowser Control... When form is loading i set webbrowser to navigate a website. Now this website running too much popup ads.. So each time webbrowser navigate a new popup window open out of my application.. Is their any way to stop that.. Thanks in advance...........

Hi guys, Brief Background: I'm currently working on a project in which I wish to create an autonomous game agent capable of traversing 3D environments. To do this I would like to implement a custom path finding algorithm that works with a navigation mesh. The Problem: I'm currently looking at …

I've been at this for a few days, not making any progress, so I'm asking for help. I have an application you log into based on an ID number (example 45) In the app, there is a label. By default is has "lblID" in it, when when you log in, …

Guys I'm looking for a clean way of splitting a string into a list: I have this: [CODE]myString = 'blue, red, pink, purple'[/CODE] and I want this: [CODE]myString = ['blue', 'red', 'pink', 'purple'][/CODE] How do I do that?

So I have a function called start() and it has multiple if statements and I want all of them to run. [code=python] def start(): print """You have just woken up from a very long nap. You find yourself in a dimly lit cave. There is a patch of light in …

I can't figure out why I get the NullPointerException on Line 223. Would appreciate any help whatsoever. Sorry about the spacing below. Some of the code appears messy. Toggle Plain Text and it should look better. [CODE]/* Section 1: Import Statements. Imports the Scanner class and the IO Package. */ …

[CODE] a = input("enter the string") print "%s dinesh" %l m=re.match(r'(.*)(\.*)',l,re.I) print m.group() print m.group(2) [/CODE] i m getting the following error ,when i give input [CODE] Traceback (most recent call last): File "regularexp.py", line 1, in <module> a = input("enter the string") File "<string>", line 1, in <module> NameError: …

can anyone tell me how to get out of the error Connection refused: connect thanks in advance

hi guys,i was trying to make user able to make selection again when they make an invalid input, but when i run this code,it just doesnt work that way,it goes printing the same line like crazy...did i do something wrong? [CODE] int main (void) { //Local Declarations int menu; //Statements …

Hi, I am new to java and I need to work with arrays. I have found some tutorials, but everywhere was something like [CODE] int[] anArray; // allocates memory for 10 integers anArray = new int[10]; [/CODE] But what if I dont know how long the array will be? When …

hey everyone, I'm trying to perform a program that will perform a leap year method and also have it to loop. here's what i have so far: import java.util.Scanner; public class LeapYear { //Create a Scanner object for keyboard input. static Scanner keyboard = new Scanner(System.in); //Set variables public static …

myqry = "UPDATE tblReceive SET " myqry = myqry + " ProductName = '" & txtProd.Text & "'," myqry = myqry + "' Quantity= " & txtQuan.Text & "'," myqry = myqry + " Quantity Unit= '" & ComboBox3.SelectedItem & "'," myqry = myqry + " Category = '" & …

Hi, how could i check is a number an int or a float?

I am trying to cast combo box to string but I have problems with it. I get NullPointerException? [CODE] fontStyle = (String)combo.getSelectedItem(); size = (String)comboSize.getSelectedItem(); if (fontStyle.equals("Regular") && size.equals("10")) { Font font = new Font(Font.SANS_SERIF, Font.PLAIN, 10); text.setFont(font); } [/CODE]

Guys can any one help me in JAVA? how does it help in making softwares?

This is my first time to do visual basic program Please help me about this problem... When I run the program with maximum attempt of 3 with correct username and password, Illegal user will pop up,,,i really dont know what to do..illegal user must be pop up when i already …

Hi the project i have is Write a program that displays diamonds as text using a character provided by the user. For example, a diamond of height 6 constructed from asterisks will display as follows: __* _*** ***** ***** _*** __* (I cant make it line up perfectly... ) after …

I do the program to practice what I have learned in a class at my university(convert input of infix form to post fix one), but my program doesn't run correctly. Please help my to find out my bug. == IntoPost class /* * To change this template, choose Tools | …

I have the following piece of code. I do not understand why its not working. I'd really appreciate help on this. [CODE]import java.util.Scanner; import java.io.*; class ReadFiles { String [] codes = new String[99]; int i = 0; private Scanner readCodes; public void openCodesFile() { try { readCodes = new …

Hello, currently, what i want to do is, add a column in a table "default" during runtime. Well, I've got that covered already. The problem is, the column names are actually taken from the users input through a textbox or drop down list and of course, if the same column …

This is just a part of a program When my code asks me Enter diamond size ("short", "average", or "tall"): how do i make it so that if i don't put anything and press enter it asks me exactly same questions again?? i tried putting input.length() == 0 or input.equals("") …

This is my code: it works,but when the user answers correctly until question 7,the question 8, 9 , 10 will be skipped and goes to result instantly,can someone tell me whats wrong?i been looking it trhough for hours >.< thanks [CODE]void hangman (void) { int wrong =0; int answer; char …

hi guys,im trying to create a menu which allow user to select their choice. When a choice is selected, a function designed for that choice will be called. However,it seems that i cant use 'if else' to call them, is there anyway to solve it?im sure i did it wrongly...if …

Hi all, I'm having some troubles practicing linked-lists: the problem calls to implement string as a linked-list of chars. So I created a new class - mystring and defined building function, show(), and also destructor. The build and show works correctly. I get the exact same string I sent as …

I'm trying to make encryption program but when i run the program it gives me this error: Debug Assertion Failed! Program:...nts\visual studio 2010\projects\encrypter\debug\encrypter.exe File:c:\program files\microsoft visual studio 10.0\vc\include\xstring Line:1441 Expression: string subscript out of range For information on how your program can cause assertion failure, see the Visual C++ documentation …

Hello EveryBody i want to change a file extention property in visual basic 6 Example; i have a File test.txt or test.jpg what we want ? and we use a command botton and two textbox Text1.text = "C:\test.txt" 'Textbox 1 is my file path Text2.text = ".pdf" or ".psd" ' …

Hello, I'm a python beginner and glad I joined this forum :). I'm wanting to make a simple program where the window is hidden for x seconds/minutes and is then shown again. My problem is that using time.sleep() causes the Hide() function to not run until after time.sleep() is complete. …

hello ! basically i am working on .net , but now i want to learn java , is there any software like visual studio for .net .if yes then please can any one tell me or provide me any helpful link. Best Regards M.Waqas Aslam

What (if anything) is the difference between these two? [CODE]String[] sa = {"ABC"}; String[] sa = new String [] {"ABC"};[/CODE]

Hello, I need some help please.. I need to write a recursive predicate in Prolog that subtracts two numbers until number 2 is higher than the result. I have completed the logic in C++: [code] #include <iostream> using namespace std; int mod3(int a, int b) { int intResult = a-b; …

I'm creating a program which has data in the linklist. I'm trying to print out the element in the linklist from head to tail and tail to end, but for some reason, I run into some compiler error. I don't know why it won't let me call the hasPrevious and …

How can I obtain the first row value. ex. Table ID NAME AGE 1 peter 14 2 Jogn 13 3 Luke 6 If i click peter I will get 1. I can get the clicked value but I do not know how to get the first item in the selected …

Hello Friends, I am messed up with the below query [CODE] Try Dim myCommand As OleDbCommand myCommand = New OleDbCommand("select sum(tmt.total) as Total from Appointment appt, TreatmentMaster tmt where appt.patientid='" + txtPatIDBill.Text + "' and [tmt].[treatid]=[appt].[treatmentid] and (Format([appt.ApptDate], 'Short Date')) between '" + dtpFromBill.Value.Date + "' and '" + dtpToBill.Value.Date …

Is it possible to reload a form of the running application from one computer when I executed a function from my other computer with the same application? co'z I want to see the changes of data on my datagrid view

Hi everyone, I am working on a problem as follows: Write a program that draws a circle with radius 100 and center (200, 200). Ask the user to specify the x- and y-coordinates of a point. Draw the point as a small circle. If the point lies inside the circle, …

I am getting ready to write a programming competition on Tuesday (the Canadian Computing Competition) and I remember that last year it said that only standard libraries can be used. I was having trouble deciding which libraries are standard. I ended up using windows.h and when I suddenly realized that …

Can anyone assist me with the GUI for this program. I have tried several times will little luck. Here is the source code. Any help would be greatly appreciated. [CODE]import java.text.DecimalFormat; import javax.swing.JFrame; public class Inventory1 { public static void main(String[] args) { // Information on the Cds used Cd …

Hi, I am learning templates so I have one question for this code: [CODE]template<typename T, int Number> class Data{ T Array[Number]; public: T& operator[](int); }; template <typename T,int Number> T& Data<T,Number>::operator[](int element){ return Array[element]; }[/CODE] I wish to create specialization for that class template, for any random data type, but …

Hey, So I'm working on a pretty basic program to help me get accustomed to classes, private variables and arrays. I need to hold the data for 5 individuals such as name address email etc. These are held in my PersonClass and are private strings. I access these strings using …

Hi all, I have started finding lots of uses for abstract classes to define interfaces for common functionality using polymorphism and i know that using polymorphism and virtual functions incurrs some additional call cost of functions. So what im wondering is can i get the best of both worlds? consider …

Hi all. I have an up and coming midterm, and this is one of the practice problems. All's I need to do is draw a Tic-Tac-Toe board in TURTLE. However, it has to be in a loop, or something, and I am having a difficult time putting it into one. …

Hi gurus, this is a homework assignment on finding all closest pairs. I used a quad tree for my algorithm and its running time is compared to the naive algorithm. (I didn't use the java quad tree because I didn't know it existed...) My problem right now is that after …

Hello everyone. I have a TreeSet<State> that I want to iterator over in order to change the States within the TreeSet (more specifically, a private subclass within each state). However, I will most likely run into problems as I do something like this, or something to this effect: [CODE]for(State s …