Software Development Forum

in my application i have a tabcontrol with two tabs. when i run the program the focus is on the first tab. how can i change the focus to the second tab, so the second tab is shown on certain event ?

HI I was wondering if you can help me with this random number program. import static java.lang.System.out; import java.util.Scanner; import java.util.Random; class GuessAgain { public static void main(String args[]) { Scanner myScanner = new Scanner(System.in); int numGuesses = 0; int randomNumber = new Random().nextInt(10) + 1; out.println(" ************ "); out.println("Welcome …

["Objects that are instances of an inner class exist within an instance of the outer class"](http://docs.oracle.com/javase/tutorial/java/javaOO/nested.html) Even though I attempt to create an independent instantiation of the inner class, the outer class is always there because of the statement above. ##Is that ture? If true, then that would also mean …

Hi can you help me please how can i change the color of progressbar or just look like in windows xp progress bar...please help me...thank you in advance hoping for your positive responds...

Ok my title is probably very vague and unclear. Kind of hard to sumerise in the title. My form has a bunch of textboxes. The content is supposed to be saved with a button. BUT not all the textboxes will have content in them. So lets say i added content …

Hi there, I'm a Visual Basic novice and have written a very simple GUI which I want to use to run a c++ program. I'm wondering how I would write the button click event to call the C++ program? I assume there's probably a simple way to do this but …

I am trying to get the ItemListener to work on this program. I keep getting an error that says the method getSelectedItem cannont be found and cannot figure out how to fix it. import java.awt.*; import java.awt.event.*; public class Buttons extends Frame implements ActionListener, ItemListener { public Buttons() { //set …

Hey guys, so I'm trying to make a Paper, scissors, rock program (where you play against the computer). And i got pretty far, to the point where it seemed finished. But then i realized that i need to make the program exit itself after the player wins three times. So …

Hi All I am new to java. I am facing a problem I want to compare a string to a set of strings, For example there is variable string x, If the value String X matches to String A , String B, String C then run the particular code otherwise …

I have two datatables that generate a datagridview like below: 1) datatable name : grpDT  2) datatable name : grpTot  I want to merge both datatable so that I the datagridview will be like this:  what is the best way to do this? do …

Hi there, Please check my program. When i compile it i am getting error. Cannot find default constructor to initialzie base class. #include <iostream.h> #include <conio.h> class Parent { protected: double num; public: Parent(double n)


{ num = n; } void sub() { num -= 2.0; cout << "num …

Hi There. I joined here some three years ago when i created my ONE and ONLY Python program that actually functions as intended *YAY*, it's a little ugly and i've decided to return and learn more, improve it and maybe start up some new projects. I'm a little confused as …

Hey! Just wondering how you make the code keep asking for a correct file input until a correct file is inputted, rather than just exiting the program when incorrect? f = input("Enter a file name: ") try: infile = open(f, "r") except: print("File not found:", f) text = infile.read() print(text)

Hi, i try to handle a Neagtive number exception in my code. i tried this but it shows "illegal start of type" why please? Here is my code: public class JPanelTemporal extends javax.swing.JPanel { public JPanelTemporal() { initComponents(); } public void setDuration(int duration){ this.jSpinnerDuration.setValue(duration); } public Time getTime(){ Time time …

Hi, I've been given an assignment to write a java program that determines if a random given number is Prime OR not. But we also have to make comments in each lines, explaining the function/purpose of each lines to this java coding. So far, I've gotten the program corrected! All …

Hi guys can you please help me with this. All I need to do is input a number and display the corresponding alphabet.For example 2 then the output should be A B.. I am working on a code but my problem is the output is displaying together with a special …

i want to make sure that people can quit in the middle of the game and the question is random not in order... please help me.. # make input equal to Python3 style input even in Python2 import random try: input = raw_input except: pass question =" " print("Welcome to …

I stuck at the part about how many question they want for their game.This is the requrirement. Write a program for an application that let the user host a quiz game. The application will have a collection of questions with short answers. The program should ask the user how many …

So I am done with the code below, I will run it like this "python hw3.py < code.txt" I think I have a problem with the indentation or something. the code.txt has a mixed up text in it that is offset using a caesar cipher but it has to be …

def random(fileName) setup = open(fileName, "r" ) z = setup.readline() waiting = stack() for line in setup: customerNum, arrivalTime, serviceTime = line.split() plane = Customer(customerNum, arrivalTime, serviceTime) push(waiting, plane) setup.close() print "The data file specifies a", z, "-server simulation." print "There are", len(waiting) , "arrival events in the data file." …

Hi there I am reading some java tutorial and a have a question about these 2 classes java.util.Scanner; javax.swing.JOptionPane; In the tutorial I am looking at the 2 classes are used in separate programs to get the input from a user With the first class http://www.homeandlearn.co.uk/java/user_input.html after importing the class …

I am trying to understand how packages work. I think I have finished steps 1-7 but I am not sure. Now I am trying to start step 8 however I am confused as to how I can get the Test class to use the squar and cube classes. How does …

I want to write a simple program to check class and inheritance in Code Blocks but i don't know how to write. I have make new project and add new class named "Car". This is main class. #include <iostream> #include "Car.h" using namespace std; int main() { Car c; return …

i am trying to execute an exe file on a remote computer using vb 6.0 and i'm using psexec here is my code: shell("psexec //computer1 d:\test.exe") but it is not working by. by the way i am using a cloned system. can anybody help me.. thank you so much.

hi guyzz i wanted to remove item in the lisview using the for each i want to delete multiple item with similar field in the listview. any help.. for this problem.. it could be possible ? i have here code but it delete only selected item in the listview. (ListView1.ListItems.Remove …

Hi, I have 3 tables Description, Item, Transaction Description Item Transaction DeID Name IID Name DeID TranNo Type IID Date 1 Printer 1 Stylus T10 1 1 Repair 1 2 Monitor 2 HP 1 2 Repair 3 3 ViewSonic 2 I need to count how many printers, Monitors etc. are …

I'm stuck at comparing the operators, it seems I can only compare the current operator to the topmost of the stack, how do I keep on comparing it til the stack is null or the precedence don't hold true anymore?...i've commented the part where I think my program fails...any help? …

How do I display an image in a picturebox using a variable name? string name = "photo.jpg"; pictureBox1.ImageLocation = name; // or Image image = Image.FromFile(name); pictureBox1.Image = new Bitmap(image); neither is working. I'm getting the small box with an x in it. Any help? Thanks

Hi. I am trying to write a function that when given a class, will tell you the number of methods that class has. I am getting the java.lang.noclassfoundexception message. I read something about adding to the PATH but was unsure. I also tried using HelloWorld.class, but that did not work …

Hey there people! I have a problem with an application which i'm working on! The problematic code: #ifndef CONFIG_H #define CONFIG_H bool LoadConfig(); XMLElement* Element(std::string name); #endif Where the "XMLElement* Element" is the problem. I am using the library TinyXML-2 for this. If anybody could help I would be very …

Hi, I have created an application in C# and would like it viewed in a full screen that also covers Microsoft's taskbar, kind of like the way a PowerPoint is viewed in full screen. Is this possible? Sorry if i come off a bit confusing. Thanks

I have attached a quick class model of what I am trying to achieve (Also, sorry for the mass of code but I figured I'd post everything I have thus far in case anyone saw other improvements I could make). I can give a customer an 'Account' but I want …

I am not sure why this is occuring. I declared these functions in the header file and it is defined them in the .cpp file but in the main function it does not recognize them. Did I forget something basic or do something illegal? The errors: : error C3861: 'createAndInitializeTextFile': …

The question I have involves 3 basic objects, (1)a class that contains methods to serialize and deserialize another class that is then saved to a file on a disk, (2)a class that contains methods and values that is marked serializable and is the class that is serialized to disk and …

Hello Developers, I'm here for your kind help, I am making a program where these codes i wrote: for i as integer = 0 to 5 If TextBox4.Text.Contains("1") Then TextBox4.Text = TextBox4.Text.Replace("1", "_n_") End If If TextBox4.Text.Contains("2") Then TextBox4.Text = TextBox4.Text.Replace("2", "_o_") End If If TextBox4.Text.Contains("3") Then TextBox4.Text = TextBox4.Text.Replace("3", …

Hello daniweb community ! I'm finishing my second year of IT studies and the university is giving us the opportunity to engage in a project with a company. I found a good company but now i'm looking for a good project to work on. I was thinking doing something in …

Hello, I want to delete duplicate in the array I have created, I have the following method now: Add an element Remove an element Can you give me an idea of how I can implement the deleteduplicates method. Thanks

hi i need to connect a vb application to a mysql database which is in a remote server plz suggest solutions thank u very much

Hi all, With BIDS (Business Intelligence Development Studio)/SSIS, I have a process that downloads zipped CSV files. I store the files using the naming convention from the source ie 03260020-eng.csv. In a script task using BIDS, I would like to rename the file to exclude "-eng" but I'm not sure …

Hello all, I was wondering if there was a way to add cover art to an mp3 file using Java? I'm fine using 3rd party libraries. I have been using JID3(http://jid3.blinkenlights.org/) to add and edit ID3 tags of mp3 files but can't seem to find a way to add cover …

I need to design a class called Building that represents a drawing of a building(the parameters to the constructor should be the building's height and width). I need to color the buildings black with a few random windows colored yellow. Then I need to make an applet that draws a …

Hello everyone, I have a little question regarding a project for my class. We are making a tower defense game with ants and zombies objects for our project. My question is with this piece of code provided to us. /** * Callback invoked when the player attempts to recruit an …

In my project, I need a stand alone scroll bar for my text box. So I have created a customized scroll bar. Any idea How to use my customized scroll bar(both Horizontal and Vertical) in the text box instead of built-in scroll bar?

Hi everyone. im kinda bored so i made my own code language. the code is like a=e b=q c=m d=p e=i ect. so i made it into a program. so i started to fill in the code: Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim …

Hello good day. I have a quick question is anyone able to assist me in saving a password file. I encrypted my password and so I want to save the salt and the encrypted password(which are byte arrays). I tried using a properties file, but I soon found out that …

If am writing a VB.Net module for a project I am working on and have decided to try out different ways of doing some things, without getting rid of the older code that worked. I am selecting between these methods by setting a `#Const` at the beginning of the Module …

I have this static block of code which is following Singleton design pattern. class Employee{ private static Employee emp; static { if (emp==null){ emp=new Employee(); } } public static Employee getEmployee(){ return emp; } } My doubt is if this code can be accessed by Mutiple threads concurrently and break …

Hi there, I am just beginning to learn java right now, and have a real begeinner question. I ahve read that when you declare a float variable and ssigna value to it the number has to be followed by an "f". What I coudln't find out is why: `var floatNumber …

Hi guys...I'm new to python so I've no idea what I'm doing but I need to write a function that 1) asks the user how many strings they would like to input. 2)Stores the strings in a list 3) sorts the list 4) Displays the sorted list 5) Displays the …

**I have a text file as below:** I have a text file as below:  BRANCH :SARDAR BHILADWALA PARDI PEOPLE'S CO-OP. ,Head Office NODE : 9 BRANCH CODE : 1 RUN DATE :11/05/2009 USER : SNA REPORT ID :R048260 * AREA WISE MEMBER LISTING OF SHARE CUSTOMERS ** PAGE : …