Software Development Forum

Hi frnds!!! Am new to ubuntu .. Am using netbeans7.1 .. I need to connect my java application with mysql server... I dont know how to configure netbeans for that.. I tried to configure mysql server in netbeans itself through (Right Click Databases-> select Register MYSQL Server-> select Admin Properties) …

When I run the application my labels are al spaced out, however in the design they are fine. Do you have any ideas why? Also when I preview the jframe everything looks fine. Thank you

I have to write a program that takes a word from the user and replaces it if it is in the text file with another word given by the user. Then takes that input and writes it to a new file. The only problem is, I have to do it …

I'm retarded and can't find this on the net. How do I pass data that i've stored in a variable via a textbox into a MessageBox? [CODE] MessageBox.Show("Name:", BName, MessageBoxButtons.OK, MessageBoxIcon.Information) [/CODE] When I run this, BName does not show the name. BName is a name from a textBox BName.

dear all, I am working on hashmap and treemap. At the starting of my program i have declared two map,m1 and temp,both are hashmap. At starting point both map contains same kay value pair. At some instance of program, i want to change the value in temp, remove some key …

SOLENN AND HER SUITORS Solenn has many suitors. To pick a partner, she has the following criteria: her partner's height and weight must be close to hers. Her suitors also want to know how many suitors ranked ahead of them (maybe they want to "get rid" of the other suitors?). …

Hi All, I sware I am loosing the will to live, I have tried to accomplish this by my-self for about 2 weeks now and I am still at square one, I prey someone can help me. I am writing an application for booking conference rooms and I need a …

[CODE] Dim mDocDtT As Date Dim mDtPeriod as Integer = 4 mDocDtT = DateAdd(DateInterval.Month, mDtPeriod, mDocDtT) mDocDtT = Format(mDocDtT, "yyyy-MM-dd") [/CODE] But the codes are not working the date is still in #01/27/2011# format I want it in yyyy-MM-dd format Please help!!!

Define an integer array ‘arr’ with size 2 in the main method and initialize the two elements in ‘arr’ to be 1 and 2 Write a method ‘swap’ and pass the ‘arr’ into the method, swap two elements of the ‘arr’ in the method Print out all elements in ‘arr’ …

Hi all, I have come across the class JDatePicker which allows user to pick the date from the calender. But, I actually don't know how to use it. I have searched on the Google but didn't find much helpful information. Can anybody help me on this? Any help(e.g. examples) will …

I have a vb programme.there I link it to a access database.In the database I have a table with 3 fields code,description,amount.I used primary indexing for code field.so codes are as 1,2,3,4,...when I enter the code number in vb program I can extract related description and amount.but what I want …

I'm not sure. This the right way to calculate percentage ? Here's my method public class percent extends Operation { @Override public Value calculate(Value key, Value value) { //BigDecimal result = key.getValue().divide(Value.hundred, Value.SCALE, BigDecimal.ROUND_UP); return new Value((key.getValue().divide(value.getValue()).multiply(Value.hundred))); // return new Value(result); } @Override public String getSymbol() { return "%"; } …

int x=011; cout<<x; it print 9. why?

the procedure entry part 1stractI could not be located in the dynamic link library MSDART.dll ??? how i can fix this ??

Hi all, I am creating one GUI application in java. I need to make menubar visible when particular panel is made invisible. Is it possible by creating an event which will be triggered when panel is made invisible? Can anybody help me? Thanks in advance!!!

I'm trying to read a DBF file into a DataSet and then write a selected number of columns to a MDB. I've been successful reading the DBF into the Dataset with this code; Public Sub sReadDbf(ByVal dbffile As String) mydbfConn = New System.Data.OleDb.OleDbConnection mydbfConn.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & _ sAlohaPath …

I have an array of structs that contains an account number and a balance. I open a file which contains an account number and an amount that needs to be either added or subracted from the correct account. My problem is it is adding and subracting to the first account …

0001 Bread Bakery 35.00 0002 Soap Hygiene 20.00 0003 Milk Dairy 40.00 0004 Apples Fruit 30.00 0005 Gelatin Snacks 15.00 0006 Candy Snacks 25.00 0007 Catsup Condiments 40.00 and so im trying to read this grocery.txt file...i'm thinking of using an array...the code ive done would read the first line …

I need to fix the code. Once a war event takes place, no points are assigned however in the next deal whoever wins (be it the player or computer) should get double points. One point for the war and the second point for the next deal that was won as …

Define a class called ‘twoInt’ with two public integer fields a and b In the constructor of ‘twoInt’, initialize the a and b to be 1 and 2 Create an instance ‘mytwoInt’ in the main method Write a method ‘swap’ (not the method of the class ‘twoInt’) and pass the …

i was watching [this video](http://www.youtube.com/watch?v=jTSvthW34GU&list=EC9D558D49CA734A02&index=2&feature=plpp_video) about type conversion and what the compiler does while converting from small byte formats to large byte formats(and vice versa) etc etc, and tried to write a code for it... but seems that function calls in my code are getting completely bypassed... once again, here …

hi, i need help with bubble sort. i am not sure what are variable j and variable sort are for? public static void bubble_sort(int unsorted[]) { int i = 0; int j = 0; int sort = 0; while(sort == 0) { sort = 1; j++; for(i = 0; i …

I am trying to implement a function sameMonth from a class to compare two user entered months. My class is declared in a header file "Date.h": #include <iostream> using namespace std; class Date { private: string month; int day; int year; public: Date(); Date(string aMonth, int aDay, int aYear); void …

Trying to write a for loop to insert buttons into the array. This is the code to create an array that can hold 7 values: JButton[] buttons = new JButton[7]; String[] buttonText = {"Circle", "Square", "Oval", "Smiley", "Swirl", "Start", "Stop"}; This is the for loop I'm not sure about to …

Trying to change the size of the shapes over time. Making them bigger as they move upwards and to the right, and making them smaller as they move downwards and to the left. This is the class that contains the move method: import java.awt.*; import javax.swing.*; import java.util.Random; public class …

So I'm beginner starting software enginering studies here condition: Given number n ( n<=9999) need to identify if this n is palindrom(ex. 7777,8228,0220...). Need to write in c++ language.thanks

This is me with another project for beginners :) The Project as stated by ZZucker about 2 months ago: "Given the length of three sides, write a function that checks if it is possible to create a triangle." I could solve it with an annonymus function like this: is_triangle = …

I had absolutely no clue where to post this but I figured since it crashes on the C++ side, I'd ask here. I have the following code: Java side (Loads My C++ DLL just fine.. Passes it a ByteBuffer so that I can write to that): import java.io.IOException; import java.awt.*; …

Could someone please give me an idea of why I get a nullPointerException when I run this method in my main program. Every list has a variable, first, to store the address of the first node of the list. I assign current1 to the first node of list1 as a …

I think I am getting bad data because I have my pointer doing the wrong thing, I just don't know exactly how to fix it. Any help is greatly appreciated! output: Number: 4669840 Name: Value: 3.76441e-039 Number: 4218312 Name: Value: 6.52879e-039 Number: 2686408 Name: Value: 6.52879e-039 Number: 128 Name: Value: …

I've been trying to display sqlite data in wxcomboboxes but I get a type error not all arguments converted during string formatting, I'm Using a caller for the frame and it displays for about five comboBoxes but when I add more (exactly the same way as the first ones) It …

Hello everyone, I am trying to build a inventory and pos system with Ms-Access as database and VB 6.0 programming. I got stuck in one place again. What I want to do is trying to print out the codes and price of the products. In this form, I have a …

Private Sub Cmd9_Click() 'On Error GoTo Error_Handler Dim Report As New Blank_rShopDrawing 4 Set Report = New Blank_rShopDrawing Report.RecordSelectionFormula = "false" Form1.CRViewer1.ReportSource = Report Form1.CRViewer1.ViewReport Form1.Show 1 Exit_Error_Handler: Set rs = Nothing Exit Sub Error_Handler: MsgBox Err.Number & " : " & Err.Description Resume Exit_Error_Handler End Sub the error in …

Hey all. I have this program where I need a variable number of for loops. For eg. the program i use to find the pythogorean triplets is for n1 in range(100): for n2 in range(100): for n3 in range(100): if n1**2+n2**2 == n3**2: print str(n1**2) + '+' + str(n2**2) + …

hi everyone well I'm learning network programming currently , I've written a day time client and server but when I run the client it gives me a connection error . Here is my client code #include<sys/socket.h> #include<sys/types.h> #include<stdio.h> #include<netinet/in.h> #include<netdb.h> int main(int argc ,char *argv[]) { int sockfd, n; char …

HI ! could you please help me here? i'm having a problem on marking the books in my library program if it is borrowed or returned? here's where im at, import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.util.*; import java.awt.Color; public class Library { ArrayList<String> bookName = new ArrayList<String>(); {{ …

public class Thread7 implements Runnable { public static void main(String r[]) { Thread t = new Thread(new Thread7()); t.start(); public void run() { System.out.println("C"); System.out.println("D"); } System.out.println("A"); try { t.join(); System.out.println("B"); } catch(Exception e){} } } Query1: On compiling this program I get "illegal start of expression" error pointing to …

hi, does any one know about the pipe & filter architecture implemntation in C# have a question in that.

Hello I'm back guys! @npcomplete....can't do anything about it dude, its what we use in our school...and Im from the Philippines...when I master this compiler, i'll switch.. So here it is my work so far...Record of 100 Buyers..Please check if I did it right..It worked for me so..yea.. #include<iostream.h> #include<cstring.h> …

I'm trying to read information from a text file and populate an array of structs using a pointer. I keep getting an error and I'm not sure how to fix it. Any help, comments, or tips are greatly appreciated! Thanks in advance for your time and help! error: request for …

I am using visual studio 2008 Professional / vb.net and sql*server Express (9.0) *I am using DAL table adapter logic for db access.* One of my tables needs to have a field changed from smallmoney to decimal (9,2) to accommodate larger values. After making the changes below, I am now …

This is and answer to one of the Vegaseat's recent projects for beginners. I share my solution here because -as a begginer and do learn python as a hobby- I need your feedback. So please tell me am I doing it the right way? Thanks in advance for comments from …

Hi, I an reading a txt file line by line and putting it in to a Queue<string> q = new Queue<string>(); when i execute the program I get a Argument Exception 'Source array was not long enough. Check srcIndex and length, and the array's lower bounds.' how do i handle …

hi, for program to be concurrent i created 4 threads as below Thread th1 = new Thread(a1.run); Thread th2 = new Thread(b1.run); Thread th3 = new Thread(c1.run); Thread th4 = new Thread(d1.run ); th1.Start(); th2.Start(); th3.Start(); th4.Start(); how do i know when the threads are finised done with the work, …

Whats wrong with this, doesnt make sense that it wont create the folder or files. If PathRead() = 0 Then MsgBox("Error Reading Path Info: One or more Paths do not exist.", MsgBoxStyle.Critical, "Path Read Error") MsgBox("Would you like to create these files?", MsgBoxStyle.YesNo, "Create?") If MsgBoxResult.Yes Then MkDir("/Paths/") System.IO.File.Create("/Paths/aPath.txt") System.IO.File.Create("/Paths/mPath.txt") …

where is union required? please explain with an example where having union is a better choice than any data structure.

Hello, can someone please help me. Ive got 2 textboxes. I want the text i typed in one textbox and show it in another. Now ive used the code textbox2.text = textbox1.text, but everytime i add text and then add more later it deletes all the text i typed earlier. …

hello everyone, Ive been trying to alter strings and i am having a very difficult time altering the vlaue after i split them. i understand what i am doing when i split the input(String[] word = phrase.split(" ");), thanks to this site.. and how i am then able to alter …

I'm attempting to use the ObjectOutput/InputStream to write data to a file; I'm fairly certain I've got the out portion but coming back in isnt working as it should, thoughts? public static void writePersistant(ArrayList<PersistantObject> persistantRecords) { try { ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream("dataout/population-record.ser")); for (PersistantObject i : persistantRecords) { …

# code to convert any base input to any base output (base limited upto hexadecimal) # ## scanf() works , but gets() stops working from 2nd iteration ## *i apolozise beforehand for the length of this post, i hope there will be someone who'll bear with me :(* **here is …