Software Development Forum

Hello All, I'm currently having an issue trying to retrieve elements that have been saved within my arraylist. I currently have two classes, Project and Staff. In the Project class, i have declared an ArrayList of type [i]staff[/i], as seen below: [CODE]public static ArrayList<Staff> staff = new ArrayList<Staff>();[/CODE] In the …

how to use video files in c#???in which format we can use video files in c#???which control we can use for video files in c#???

Hi, just started today with trying to implement a Thread in my application and have come across a problem that I can't seem to figure out. The application asks the user to enter their userid into a TextBox on the main form which is used to download a specific XML …

Hi, I found a problem with operator overloading. Consider following class: [CODE]class Number { public: int value; int operator +(int v) { return value + v; } }; Number n; n.value = 5; [/CODE] Now, n+5 successfuly returns 10, but 5+n gives error [QUOTE]error C2677: binary '+' : no global …

Im trying to select data from a MS access database, i have done this for SQL server before with no problem, but now with a Access database i get a run time error for "No value given for one or more required parameters". Below is my code [CODE] Private Sub …

hi guy, i am trying to create a text wrapping method soemthing like this [CODE] public void textwrap( String text, int width){ } [/CODE] what i need it to do is to print the text in a column of specified width. for example a user set width to 20, what …

Hello to everyone i have a problem with my project. in one form i have 2 textboxes in one i have displayed the serial number. in the second i want display the current user logged on software. how can i display the current user logged in ????? the code for …

Let's think about a small program that has a form and two panels. There is a menu strip at the top and under the "File" menu there are 2 options: "New Form" and "Admin" (and "Quit"). There are 60 fields in different groupboxes in panel1 (a detailed registration form). A …

Hi all, I have a windows apllication project. Last night i saved it. Today i opened it and started to work with it by adding new methods and etc. then i compiled and ran. But it does the previous things not the new ones. Always last night version runs. PLZZZ..help …

Hi there, right now my teacher wants me to make an outline of a half-diamond with numbers, using for loops, kind of like the following: [code] 1 2 3 4 5 4 3 2 1[/code] The number 5 is a user input, so the half-diamond's width would be controlled by …

hi there, i'm creating an app in C# which allows users to select an image by double clicking the "pictureBox1", from there it selects the image, creates a new Graphics object and passes the Bitmap to it. Once the picture has been loaded the user should be able to move …

This is our new and revised program... for the registration: I thank all of those people who helped me. for the search function: so I've manage to, actually my teammate managed to get a search function working for edit function: we havent figured it out on what methods are gonna …

IT currently is set up for base 3, but should be able to make a couple of minor changes and convert to any base, thanks and hope it helps someone out. [code]#include <iostream> #include <cmath> #include <fstream> using namespace std; void convert_base(int v, int b); ifstream inputdata; ofstream outputdata; int …

Here is the codes for Binary Search and Linear Search. [B]Binary Search[/B] [CODE] #include<stdio.h> int main(){ int a[10],i,n,m,c=0,l,u,mid,j,x; //variable assigning printf("Enter the size of an array->"); //Entering the size of the array scanf("%d",&n); printf("\nEnter the elements of the array->");//Entering the array elements for(i=0;i<n;i++){ scanf("%d",&a[i]); } for(i=0;i<n;i++) { //loop to sort …

I wrote a program that opens a file using the command line (cmd), calculates a bunch of numbers, then outputs the results to another file. The program works fine, but when I tried to alter my code using classes, all of a sudden the program is not fine. Here is …

import java.util.Scanner; public class fibonacci{ public static void main(String[] args){ int n=0; int fib = n+1; Scanner X=new Scanner(System.in); System.out.print("Enter # of the term: "); n = X.nextInt(); for (int i=3; i<=n; i++) { i = i-1 + i-2; } System.out.print("Term is: "+n); } } I know the algorithm is …

Hello: TABLE NAMES : /////////////////////////////////////////: : TABLE NAMES : 10.6.2.1 - (999685): : TABLE NAMES : Apache Derby: : TABLE NAMES : Apache Derby Embedded JDBC Driver: : TABLE NAMES : 10.6.2.1 - (999685): : TABLE NAMES : /////////////////////////////////////////: : Hello I have a problem understanding why my Prepared Statement …

I hate to complain, but I'm not terribly impressed at the documentation for utilizing binding, it covers quite a bit but not common stuff, or maybe I'm just missing it. I was wondering how I could make the <RETURN> key equivalent to a <BUTTON1> click when a button is highlighted …

Hi, I want to create a function to test the first character of a string to see if it is lower or upper case, and change it accordingly. However, the rest of the string has to stay the same. Dim S As String = "C:\Users\profile" should be returned as "c:\Users\profile" …

how i can pass inside a vector an array? i know how to do it without classes but i don't know how to do it with constructor. i try to create a 2nd constructor that takes array of integers and the size of array and initialize a vector. header [CODE]#ifndef …

Hi all, To do OCJP certification what are the things should I learn . Pls suggest some good tutorials Thanks in advance

I want to create a function or a class method that will create a dictionary named by a variable that is passed in. By way of example, I'm creating a class method to read data from a table (in this case it's an ArcGIS table, but that's not critical) and …

I am having trouble figuring out how to convert base 10 to base 3, I have tried several different attempts and this is my latest effort, anyone have any ideas. I was giving this algorithm but am having trouble creating a function for it: [B] 1. Set k to the …

Hello, I'd really like some help on this. How can I add the server's root folder of "english" to this: [B]~ s/_e\.shtml/_f\.shtml/ [/B] This searches all occurences of [B]_e.shtml[/B] and replaces them with [B]_f.shtml[/B] (it being in the same folder). Yet, in between that, I would like to add the …

Hello! I have a problem in trying to convert a string into an integer. I'm not supposed to use the routine atoi, ie I have to do it on my own. Here is the code; [CODE] .data String: .asciz "1234\n" Show_integer: .asciz "The integer = %d\n" Intg: .long 0 .text …

I was just wondering if anybody has any ideas on how I could allow a users input to be disguised on the screen when they're entering their passwords (such as the case about everywhere on the internet) i.e. gmail's black dots in place of the actual text of a password. …

Guys, i have problem in my search button after i search the name it didn't highlight the name of the person. this is the code that i found on the internet. [CODE]Dim searchName As New TextBox Dim sname As String sname = InputBox("Search for gym user." & searchName.Text) Dim foundItem …

If I have a vector of structs [CODE] struct widgets { string widgetName; int age; int color; }; [/CODE] and widgetName had multiple words in lets say widget one type 45 blue widget two 34 yellow widget eight 46 green widget ten type 33 pink and I wanted to search …

i have a reminder section in program and I want to see some icon when 2 days before to remind so i need to sort dates and i need to measure the time interval :) how can i do this thx for Answers :)

okay so ive finished this code but now i have to modify it so that it uses the following lines of code to make the program "easier" to understand private static void writeText(BillboardInterface billboard, int x, int y, String text) private static void writeLetter(BillboardInterface billboard, int x, int y, char …

I am running into an issue trying to use an iterator to print. I am trying to print the widget name and widget type from a class and am getting an error on the iterator part. The rest of the code works fine but any comments on that are more …

Hi, My application is in VS2008 coded in Vb.net.I have a datagridview which is populated from Database.I have a save button on the same form that has DatagridView. My requirement is i want that all the records that are populated in DatagridView should be saved in a certain table of …

I'm currently trying to split a string into a 2d array. currently I've split it into a 1d array of each line using: [CODE]string[] LinesFile = streamReader.ReadToEnd().Split('\n');[/CODE] And now I'd like to Split it further into a new variable with a 2d array. how would I go about doing this. …

I'm having trouble getting this program to work for roman numeral conversion. I hope it says that i have one error, which is C2110: cannot add two pointers. here's what i have so far... ANY help would be great, thanks a bunch! :) [CODE]#include <iostream> using namespace std; int main() …

so im basically new at c++. i need to generate 20 entries randomly from 1-20, and each number must be unique. i was able to generate the number but i don't know how to make them unique. any suggestions?[CODE]#include <iostream> #include <stdlib.h> #include <time.h> #include <math.h> using namespace std; int …

Okay I am working on arrays in class this week and since it is an online course I don't have anyone to turn to. YAY me! Basically this is what I have been asked to do. [I]Create a class named TVShow.java. Data Fields can include a String containing the Name …

Hi I have a class which I have packed as a jar file.When I run the jar on its own the application executes as expected.I have got a JFrame(Main) which has a button which when clicked, fires off the jar. But the JasperViewer doesnt launch at the end unless the …

Hi, I need to finish a assignment on operator overloading but this one piece of code doesnt seem to make sense.. in my int main() i have int main() { Element a, b(5), c(7), d; cout << (5+b) << endl; this is just part of it, I have already implemented …

hello, I want to link a text file in my userform. [B]Can i use linklabel for hyperlink?[/B] please help me........... thanks in advance.:confused:

Hello friends i am new on DaniWeb and new in Python... I have a few problems so i need help... I have a text document with a code from some web page, how can i extract some string between a two different strings in line and then that stings write …

Hey all, I was taking a look at my stringstream conversion function and I couldn't decide how I want to handle a bad conversions. I used an exception and then in main I would a use a try, catch block to get any exception. [code=c++] #include <sstream> #include <exception> class …

Hey, when I run the following code: [CODE]for(double i = 3; i >= 0; i -= 0.2) { cout << i << " "; }[/CODE] I get the output "3 2.8 2.6 2.4 2.2 2 1.8 1.6 1.4 1.2 1 0.8 0.6 0.4 0.2". For some reason, it doesn't output …

I've created a new class called BulletList2(linked list) using the built in dialog(File>New Class) which created a header file called bulletlist.h (in project folder>include) and a source file called bulletlist2.cpp(in project folder > src). header file [CODE=c++]#ifndef BULLETLIST2_H #define BULLETLIST2_H class BulletList2 { [...] } #endif // BULLETLIST2_H [/CODE] In …

Hi everyone I have a question to everyone. dim a as string ="preview=" dim b as string = "&amp" textbox1.text = a + "Random Code" + b result must be: preview=93a92&amp Random Code: I Need something that does not skip the text/number. Random Code can be everything. Example: 93a92,b3at2, 1256abcde …

Hi Guys, i am making an application which can take longitude and latitude as input from user and will locate the respective point on google map using default web browser i am able to open a browser through this [ICODE] private void button1_Click(object sender, EventArgs e) { System.Diagnostics.Process.Start("http://www.gorissen.info/Pierre/maps/googleMapLocation.php"); }[/ICODE] this …

help pls i need someone that can help me when i enter the date of birth using the [COLOR="Red"]datetimepicker[/COLOR] box it automatically compute the age and output in a textbox.text

i want to add isEnabled() method to JTextField, i write a code [CODE]tRate=new JTextField(); if (tRate.isEnabled()){ JOptionPane.showMessageDialog(c,"press any key to get rate"); }[/CODE] but it is giving message just after compilation of program instead when tRate is enabled

I am given a assignment in college to make a project in java. i want to make program in java but my teachers advice to make a system program not application program. But i don't know anything about system programming in java so please guys suggest me topics and also …

I am trying to catch the System.InvalidCastException error. If I put a number into the calculator the program runs ok. If the calculate button is pressed with nothing in the text boxes I get the casting error Conversion from string "" to type 'Decimal' is not valid. I understand why …

i want to make a program that contains two main classes and they call each other. [CODE]class Main1 { public static void main(String arg[]) { for(int i=0;i<5;i++) System.out.println(i); Main2 m1=new Main2(); } } class Main2 { public static void main(String arg[]) { static int j=0; for(int i=0;i<5;i++) System.out.println(i); if(j==3) break; …