Software Development Forum

Hi friends, I was understanding the concept of friend functions. I read in my book that there are two possible ways of "making friendship":cool: 1. Make a class a friend. 2. Make the method in a class a friend. I am able to write a code for the first point. …

I have two radio btuttons which link me to another form but they have failed to likk me to the forms i directhem to link me to. i dont know if ther is any problem with my code this is the code. some one to help me [CODE] Dim one …

Hello, I would really appreciate if someone could tell me what is wrong with this function. When I execute the program it returns the memory address and not the calculated average. I have not included the entire program, there is a sort function and scores are entered by the user …

Hi again.. i'm looking for how to running notepad from vb6.. please help me. any help will be appreciated.

Hi friends, One of my class member function is supposed to return an array of integers. Here's the function. [CODE]int* MyClass::getallVars() { int* a = new int; int b[] = { GetparentVar1(), GetparentVar2(), GetchildVar1(), GetchildVar2(), }; a=b; return a; }[/CODE] Is there anyway I can do this without the use …

[QUOTE=swathys]Hi, I have a problem to solve this, when the 1st language button clicked it should carry the language that already specified in xml but it seems my code doesn't work in that way. Can you help me please ! Form1 [CODE] Private Sub FlashObj_FSCommand(ByVal sender As Object, ByVal e …

my assignment is to figure out the output but im bot sure i got it right here is the Q A variable x globally defined in your program is assigned the integer value 3. A variable x defined in a function named f_name is assigned the integer value 5. Answer …

Hi, I have create an application in vb.net and ms sql 2005 as database storage. How do i create an installer that can be included in a CD. What i mean is if i want to install it in the virgin PC the Installer CD would be able to run …

Hello Members, I have a program with a lot of MouseListeners. The issue I am having is the program is ending even before I click. I tried using sleep and flags to pause the program without much success. Just wondering if there is way to get the program to pause, …

There is a problem I am having inside the AddToEnd function. At this line: [QUOTE]*ptrL->ptrNext = ptrInput;[/QUOTE] it gives this error: [QUOTE]lab8.c: In function ‘AddToEnd’: lab8.c:105: error: request for member ‘ptrNext’ in something not a structure or union [/QUOTE] Can anybody tell me why? P.S. I realized that I do …

I need to make an application that can calculate the items the user chooses from There is 7 different items the user can choose from Small Coffee $4.95 Medium Coffee $6.87 Large Coffee $8.52 Bagel $2.99 Cream $0.71 Sugar $0.50 Lid $0.99 Total the coffee order (subtotal + tax at …

Hi! I read the clearing input buffer article on the top of the c++ forum but I don't really get it, and it doesn't work. This is my problem, I know that cin is just like a file in that it has a buffer (correct me if I'm wrong, I …

Hello I'm trying to make a verb conjugator for Spanish. The problem is that I need to get the last two characters in the verb to be able to determine the verb group to which it belongs. In Spanish, conjugation depends on the verb ending, among other factors. Verbs end …

Hello, I am trying to test my binary tree, but I am getting errors: The error occurs when I try to call a template function. For example: tree.insertNode(inp);. I get this error: request for member âinsertNodeâ in âtreeâ, which is of non-class type âmain()::binaryTree ()()â . I have defined my …

Hi i have a program in which i want the main form to get information either from the login form or from the sign up form depending on which one is used. Here is the code below. The information does not seem to appear although there is no error. Please …

Hello, How can I do it on a recursive way? (Function ''plus'' needs to call itself) [CODE]#!/bin/bash function plus { let GLOBAL=$GLOBAL+$1 } GLOBAL=0 n=$1 for ((i=1; i<=n; i++)) do plus $i done echo Answer: $GLOBAL[/CODE] Any help is welcome! Regards, trume

I am having problems accessing the members of the base class in my derived class. Is there anything wrong with the way I defined my base class as in: template <class T> class Stack : private Llist<T> Is there anything wrong with that? I am getting errors from gcc in …

Hi All Hope everyones doing good. I have two \t files with 3 columns, file1 contains 600050 rows and file2 contains 11221133 rows. I am comparing file2 with file1 to match common entries in first two columns, if file1[0:2] in file2[0:2 ,] write file2[0:2]+column 3 else fil1[0:2] + 5. I …

I have a datetimepicker which reads a date as dd-mm-yyyy. the sql im using(sql server 2008) is only reading mm-dd-yyyy. i am having a problem with changing the format of how the date is saved. i put a catch to the code and this came up System.Data.OleDb.OleDbException: Conversion failed when …

Hi masters,, how can i count how many words in sentences using pascal? thanks before and best regards.

Thanks for helping me out with my coding last time. Now I have an error with a class not found for my servlet. In the log, the following shows up: [CODE]SEVERE: Error loading WebappClassLoader delegate: false repositories: /WEB-INF/classes/ ----------> Parent Classloader: org.apache.catalina.loader.StandardClassLoader@1c0e45a cart.CartServlet java.lang.ClassNotFoundException: cart.CartServlet[/CODE] I've compiled all of the …

hi, i have a small problem with the rand operator. at first i tried using it without srand but gave me the same value each time. i have inserted srand(time(0)); but my compiler throws me up these errors: 1>c:\users\ben\documents\university work\year 2\c++\code\myc++\spritelab\asteroidsgame.cpp(17): error C4430: missing type specifier - int assumed. Note: …

hello ppl i am a new member of the programming club it been a week since i begin to program and i am doing it persnaly so i am sorry if what i posted is stupid but i want u u guys to have a look and tell me whats …

Hello, I am having trouble understanding why I'm getting these errors. a4.c:106: error: expected expression before ‘int’ a4.c:106: error: too few arguments to function ‘ass_average’ a4.c:109: error: expected expression before ‘int’ a4.c:109: error: too few arguments to function ‘ass_min’ a4.c:112: error: expected expression before ‘int’ a4.c:112: error: too few arguments …

What free C++ programming tools do people recommend? And just to check I would be able to run my programme from this tool?

In my class there are 2 objects, I have to get the one which has the smallest size with a method that begins with [CODE]public String smallest()[/CODE] so what I've been trying to do is roughly the following... [CODE]if (object1.getSize() < object2.getSize) { return object1.getName; } } if (object2.getSize() < …

hi all.. how i can check there are palindrome in textbox. e.g : i input "daniweb a bewinad" thanks and please help.

Hello Coders Need help I want to remove the lines that contain specific text. (Whole Line) Eg: Textbox1.Text = [code]learn lines dani knows everything web knows lines lines knows daniweb everything dani everything lines [/code] So textbox1.text will become and remove whole line that contains the word "daniweb" [code]learn lines …

Is there any way to overload the assigment operator or it is not possible in java? Thank you very much

I have a DataGridView on a form that updates the datagridview automatically and will allow the user to manually edit the information. I need to save the information in the DataGridView somehow. I don't know what the best option would be. I could of course use a file to store …

Is it possible to do that? If so,can anyone give a theory or something? Thanks :) By the way I am using turbo compiler 3.0

I would really want some advanced C++ programmer to answer me this question, so please help me I really need this answer. How can I really start programming with C++? Of course, I still have a lot to lean. I just learned classes and SOME of inheritance features, I write …

Not really understanding the concept, why did they use "Person *pPerson = new Person("Susan Wu", 32);" and where did ".length();" come from? Also when "Rectangle *pRect" is put into a parameter, pRect is pointing at the address of the object rect, right? [CODE] #include <iostream> #include <string> using namespace std; …

Hey guys, I got this code to upload an FTP file which works great, but what do I do when I wnat to upload the contents of an entire folder? I mean, I could make a for-each but that would mean disconnecting and reconnecting to the FTP server alot of …

I am trying to add two numerical char arrays such as: [CODE]"124" and "589"[/CODE] I wrote functions to reverse the string and add the strings, and it works for strings like "123" and "456", but when the last digits are greater than 10, I don't know how to carry it, …

What happens when I set the value of an integer to NULL? I print it out / debug it, i get the value zero. Even I can use the NULL assigned integer to initiate another integer. Well, then what is the point of being NULL? Why set it to zero? …

i created a class that i want to serialize each time a move is made on the chessboard. [CODE] class ClassMoveToSerialize { int[] StartPosition; int[] EndPosition; Dictionary<int[], int[]> serialized; public void DataToSerialize(int rowStartSerialize, int columnStartSerialize, int rowEndSerialize, int columnEndSerialize) { MessageBox.Show("" + (number = int rowEndSerialize+columnEndSerialize)); //it isnt finished, i …

Hello, I have a form in my VB 6 program which has 6 labels; which are.. Unit 7 Mark: Unit 8 Mark: Unit 9 Mark: Unit 10 Mark: Unit 13 Mark: Unit 14 Mark: To the right of them I have 6 text boxes where the user enters a mark …

Good Afternoon, I'm having trouble with a school assignment. The assignment entails: Write the implementation of the function subsequence for the orderedArrayListType class. Also write a program to test your function. Prototype: bool orderedArrayListType::subSequence (orderedArrayListType &S,orderedArrayListType &L); Definition: subsequence returns true if S is a subsequence of L, false otherwise. …

I'm new to programing and any help would not only be appreciated but would probably help me pass this class. Exercise 1: Implement a Resistor Class Objective: Create a C++ console application that utilizes the core concepts of designing and creating classes, objects, properties and methods. Overview: Create and test …

I'm getting errors, and I'm not sure why. Any help would be appreciated. I'm working on this program and when I put the ActionListener for the comboBox it blows up. I chose a topic from the comboBox that will pick a file to be read. When I comment out lines …

I am having a hard time deciding whether to use pointers or not in my nested data structures. Memory and CPU efficiencies are important as I am dealing with data files of sizes on the order of gigabytes. I have decided to use several classes that are nested in a …

First of all, what is a "data source", the kind that can be attached to a "DataGridView", what are they used for, and how can I use one?

My question is based on class relationships. I've written code for 2 classes, one of the "public int..." bits in 1 class has a variable which holds the cost of something. In the other class a variable holds the weight of something. I want to multiply the weight with the …

I need a little help please,here is my question: How can I get the current index in a jComboBox? I searched it on google and i cant seem to find any answer. I need to get the index of the item that I select from a Combobox. Please help

Guys how do I save settings of a form like its background color, fonstyle, sontsize etc. I cannot save them as string or text into my access database.

Hey all, I am trying to make a form that is blank and will add in 2 comboboxes, a textbox, 2 buttons and a checkbox next to each other in a row. I want the controls to be part of an array, so that all controls on a row are …

i have just installed VB2008 EXPRESS EDITION. i have added com component msflexgrid ,Getting error with this component An error occurred creating the form. See Exception.InnerException for details. The error is: Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG)) how to resolve this.

Hello, I recently took up a challenge to make a full screen pong game in java. So far it is full screen, it does the basics (bouncing off floor/roof/paddles) with a minor point system. I also added support for every 20 seconds it speeds up the ball by 1pixel per …

Hey Guys, I am developing an APP using WxWidgets and some other cross platform frameworks. Then there is a new need into the project to use Bluetooth as a transmitter of Data between 2 devices. I have been using the Mingw compiler all along for developing my app and suddenly …