Software Development Forum

Assignment :: TwoLargestElements Complete the following program so that it computes and writes out the two largest elements in the array. So far I have this...and it just gets the largest number for both outputs..I need to change it so I get both the largest and second largest. Any help …

I really need some answer to resolve my problem. Here's the situation, I wanted to create a student number using mysql database and vb.net in this form: currentyear-(no. of student in record) Student no. is auto generated.(the no. of student in record part) Example: I entered to school in the …

Hello, i want to check what letter is typing by user in textbox in event text change. Any body know how to do that? this is my code : [CODE]Private Sub TextBox1_TextChanged(ByVal sender As System.Object, ByVal e As System.EventHandler) Handles TextBox1.TextChanged MessageBox.Show(??) End Sub[/CODE] ?? = ? Please help me! …

Writing a small program that requires me to convert strings to doubles and then back to strings. Right now, the code compiles but the answer is wrong, even though I am using an algorithm that I know is right in C++. Can someone tell me what I'm doing wrong? The …

Hi there, I started learning Java this year, and I must say that I am surprised how good I have gotten at it. I still have a bunch to learn, but I am able to make my own programs that does a lot of different stuff. I am taking AP …

i'm just wondering how i could save my RTF string somewhere... i need to show my rtf string but in its original format, including the tags etc.. thanks.

Hello, I'm writing a program that creates repetitions of a section of a word. I'm trying to get the program to evaluate the data i send to the tester method, and return true or false depending on whether or not it is a valid input. [CODE] import java.util.Scanner; public class …

Hi, I have to initiates a object to a variable in the private section of my class deceleration. The problem is that I can not add a try catch to it in this way. I Don't think I am explaining things to well (it's been a long day) so here …

Hey guys, I was wondering: suppose I created a standard console application and but I now want to make the program (well the code behind the program) into a dll file or some other reference object that can be added to other projects - how would this be done? I'm …

Does anyone know how to duplicate the top of the 'Torre Agbar' building? I've been able to make the whole colom structure but the top code is bothering me Pls help; need it for my school assignment What I'e got so far : [CODE]from visual import* import math #gegeven straal= …

Hi I want to read a string (Last name) from keyboard, concatenate it to another string (First Name) and then print it on screen. (Windows, EMU8086, EXE Template) First I declare the variables in data segment [CODE] msg1 db 0ah,0dh,"Enter your last name: $" ;prompt message msg2 db "Kamiar " …

how can i get the max date supported by a c# application i am trying to take input values of date month and year And if i am giving year 19999 i am getting error how can i solve this help me please thanks in advance

Hello Sorry about the stupidity of my question, I'm rather new to python. I'm writing a text analysation program. It reads from a text file and creates a list called 'line' which has variable length and is a list of words. I want to make a loop that will go …

i have two forms in my program. The second form appears when button1 is clicked. I would like the information (textboxes) to be filled in when the second form loads. basically i have a complex calculator and when button 1 is clicked i want a second form to show with …

hi, is it possible to have two different version of java on linux centos5 currently it is running 1.6.0 - which i would like to keep it that way sinse i have red5 but i also need 1.4 for a gaming server ES gaming server is asking to use at …

[CODE]ImageIcon tenP1 = new ImageIcon("10p.gif"); tenP = new JButton("", tenP1); ImageIcon twentyP1 = new ImageIcon("20p.gif"); twentyP = new JButton("", twentyP1); ImageIcon fiftyP1 = new ImageIcon("50p.gif"); fiftyP = new JButton("", fiftyP1); ImageIcon pound = new ImageIcon("pound.gif"); onePound = new JButton("", pound); ImageIcon twopound = new ImageIcon("twopound.gif"); twoPound = new JButton("", twopound);[/CODE] …

Hi there guys. I am soon halfway through AP computer science, where we learn Java. Right, now, I'm doing some extra credit programs, both for fun, and to learn this stuff better. However, I got stuck on a few of them, and I really need some advise. I have already …

how to do error trapping in textbox where the user cannot abuse the space bar. for example: i want to type hi h i

I've googled a bit and managed to find a few articles on how to add controls from within a running application, but neither seem to explain it in a way that suits my needs. I wonder if anybody can help me understand how I can go about this, or direct …

Hello... I'm working on an application that contains a "BackgroundWorker", the "BackgroundWorker" worked fine but after I started to change some stuff it gives me an error ("Exception has been thrown by the target of an invocation.")... I used a breakpoint to see where it happens, the exception gets thrown …

Hello Everyone, I am using apache POI 3.7. I am trying to replace the value of a table column in a word document (docx). However, what I have done is it keeps appending the value of the current value in the document. But if a table column value is null, …

My app is using MySQL. Right now, the IP/Port, username and all that stuff is hard coded in a string. [CODE]Public urlMySQLDatabase1 As String = "Server=173.201.88.22;port=3306;Database=DBName;Uid=DBName;Pwd=DBpassword;"[/CODE] So all the code that needs this string gets it here. But I was thinking- what if later in the future I need to …

I am learning C++ .net programming and was wondering why the code for creating a messagebox is [CODE=C#]MessageBox.Show("Hello, World!");[/CODE] in C# and [CODE=C++]MessageBox::Show("Hello, World!");[/CODE] in C++. Why is the dot substituted with a double colon in the C++ code? My source: [url]http://msdn.microsoft.com/nb-no/library/z9w2f38k[/url]

Hi guys, I am fairly new to python. The problem I am having is manipulating the data that I read from a file. Example: if a line of the file is Monday = 0800, is it possible to break up that line so I can read Monday and 0800 separately …

I am using a JFreeChart from this link [ICODE]http://www.java2s.com/Code/Java/Chart/JFreeChartCategoryStepChartDemo.htm[/ICODE] the format of the datasetUtilities.createCategoryDataset is (new String[]{..,..,},new String[]{..,..,},data).Is there any way that i can pass an already filled arrays for countries and years? [CODE] public Chart(String tablenm,final double[][] data,String[] countries,String[] years) { super(); final CategoryDataset dataset = DatasetUtilities.createCategoryDataset( countries,years, data …

Hi all, I have a slight problem with a java applet of mine. I play a video game that tracks realm and world ranks and I'm making this applet to put on my site to display current standings. My main problem is currently in the testing of this applet. Once …

Hi, I would like to get an advice, lets take SDL lib as an example. Recently I've been declaring sprite sheets that certain classes use ( player, enemy... ) globally and thought that a better way would be to load sprite sheets inside a class thats using it but if …

I am writing a spellchecker program and have some issues. First thing is that I need to make better use of the memory. My code iterates through a large dictionary file repeatedly. I know its better to read this into memory first then iterate through the block but I really …

Hello all. I am making an application like an antivirus, My question is that I am able to detect the infected hash value, can I delete or remove this infected hash value from this file? Thanks n Regards.:cool:

[CODE]Public Sub Makeready() Dim CurrentVersionFile As String = My.Computer.FileSystem.SpecialDirectories.Temp & "\Memory Freeo Plus Current Version.txt" Dim MemoryFreeoPlusVersionWriter As New IO.StreamWriter(CurrentVersionFile, False, System.Text.Encoding.Default) Dim StorageFile As String = My.Application.Info.DirectoryPath & "\Process Storage.MemFreoPls" Dim MemFreoPlsStorageWriter As New IO.StreamWriter(StorageFile, True, System.Text.Encoding.Default) If IO.File.Exists(StorageFile) Then MemFreoPlsStorageWriter.Close() Else MemFreoPlsStorageWriter.Write("") MemFreoPlsStorageWriter.Close() End If If IO.File.Exists(CurrentVersionFile) Then …

in this assignment make the program read 10 integers and store them in an array. Then, pass this array to a method that finds the largest integer in the array, and counts its occurrences. Your method should return a string of the form largestNumber

Hi!!! I'm having hard time in manipulating a combo box with list view. For example if the selected index in the combo box is "boy" then the list view will display a database table allotted for boys and if the selected index is "girl" then the list view will display …

How can I use the "datetime" class to get a different time zone than mine? (for example gmt = 0 or utc+2) Thanks!

usualy I run java app ( I create by my self) by click it's jar file. How to run it via click an icon on desktop ( how to link between icon and the jar file thank you denny

Guys I have been trying to figure this out until this very moment The problem is I need a piece of code that will not allow the user to enter any negative number in the text box This how it should work, if the user trries to enter this "-" …

Hello i want to the textbox that when I start to type in names it should be like this [B]Camille Aisha Cordova[/B] How do I do this?

[B]I need to convert this xml into another one to send a soap message[/B] [CODE] <?xml version="1.0" encoding="UTF-8"?> <SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ns1="urn:Magento" xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"> <SOAP-ENV:Body> <ns1:customerCustomerListResponse> <storeView SOAP-ENC:arrayType="ns1:customerCustomerEntity[2]" xsi:type="ns1:customerCustomerEntityArray"> <item xsi:type="ns1:customerCustomerEntity"> <customer_id xsi:type="xsd:int">1</customer_id> <created_at xsi:type="xsd:string">2007-08-30 23:23:13</created_at> <updated_at xsi:type="xsd:string">2008-08-08 12:28:24</updated_at> <increment_id xsi:type="xsd:string">000000001</increment_id> <store_id xsi:type="xsd:int">1</store_id> <website_id xsi:type="xsd:int">1</website_id> <email xsi:type="xsd:string">john.doe@example.com</email> <firstname xsi:type="xsd:string">John</firstname> …

Hi everyone, I am having a problem while trying to do an operator overload of operator<< I am getting: [CODE]Stack.cpp:96: `std::ostream& Stack::operator<<(std::ostream&, const Stack&)' must take exactly one argument Stack.cpp:96: no `std::ostream& Stack::operator<<(std::ostream&, const Stack&)' member function declared in class `Stack'[/CODE] I can't seem to find why I am getting …

I am getting extra garbage at the end of the string returned by this function. Why? [CODE]char *read(char *fname) { FILE *file=fopen(fname,"r"); printf("Opening input file...\n"); if (file==NULL) return NULL; int length=0; char *ret=new char[length]; while (!feof(file)) { char ch=fgetc(file); char *temp=new char[length+1]; for (int i=0; i<length; i++) temp[i]=ret[i]; delete[]ret; if …

What is the most efficient way to take input of a character array or string of 25 ASCII characters using scanf? They are not formatted, just a sequence of character. i.e. ABCDEFGHIJKLMNOPQRSTUVWXY One more point is that, after input I have to find a sequence of character within this string, …

hi im having this error i dont now where is the mistake can you halpe me? this is the exception: java.lang.NullPointerException at shape.shape.<init>(shape.java:14) at shape.rectangle.<init>(rectangle.java:17) at shape.listOfSHAPES.init(listOfSHAPES.java:73) at sun.applet.AppletPanel.run(AppletPanel.java:424) at java.lang.Thread.run(Thread.java:619) these are part of my code were it show the error list of shapes class:[CODE] else if(shape.charAt(0)=='R'||shape.charAt(0)=='r') { int …

Hey guys....Namastey!! Am here for your suggestions. I am right now working on a software project which needs to communicate with an custom ECU(Engine/Electronic Control Unit) of a car via a USB-TO-RS232 cable. Before moving ahead i want to be sure, [B][COLOR="Red"]do you think Java is appropriate for such kind …

i got an example form roseindia on how to send an email. Now it works perfectly like this, and i can send mail to my email adress with that code (thats just a part of it) [CODE]String host = "192.168.1.14"; String from = "Admin@Admin.com"; String to = "myEmailadress.com";[/CODE] but the …

Hello, Please tell me how to add a string item to a text box, returned from another form that has a list box? I have two forms. on the first form I have a button which calls another form that has a List Box. When I select the value from …

I'm trying to devise a program that attempts to solve the Collatz Conjecture, Wikipedia, but when I run it I get this error: [CODE] What value would you like to find if the collatz works for below?6 Traceback (most recent call last): File "/private/var/folders/fL/fL1lGxccGCypPBSIUXNGZGpkwIg/-Tmp-/Cleanup At Startup/Playground-345866896.786.py", line 27, in <module> …

There is DateDiff() function in VB.NET but which function is equivalent to it in c#? I m facing problem in converting this vb.net code to c# [CODE] Private LastPointWhenClicked As Point Private Sub Timer1_Tick(ByVal sender As Object, ByVal e As System.EventArgs) Handles Timer1.Tick If LastPoint = Cursor.Position AndAlso LastPointWhenClicked <> …

What would happen if I (somehow) made an enum bigger than unsigned int? Each item in one is assigned a numerical value, I'm guessing that is unsigned int. Would it be boring like an error message or fun? Knowing what's allowed with naming the values there is more than enough …

Hi, I'm making a login application but i have the following problem. When an user clicks the button "Login" it is allways correct. I would like to check in my sql database if the user and password match. Does anyone have an idea? [B]Database.cs[/B] [CODE]using System; using System.Collections.Generic; using System.Linq; …

Dear friends: I am using " Seldon c++ libary for linear algebra, http://seldon.sourceforge.net/" in my heat transfer code. the paltform is vs2010. I use the Seldon::Vector<double> in my class mesh to store the x y coordinates. I include the "Mesh.h" in my main.cpp.but it gave me some error about seldon …

Well I just want to know, how to give variable size for an array(Particularly, second subscript). For example, like this [CODE]#include<iostream> using namespace std; int main() { int a,b; cout<<"Enter the size for the 2D array"<<endl; cin>>a>>b; int*A=new int[a][b];[/CODE] for a its ok, But how to make it work for …