Software Development Forum

I am working on an assignment for my fundamentals class and we have to create a program that is going to write/read/ and append a file. I wanted to set it up to check and see if example.txt exists. If so then append, else write. My question would be how …

Hello, World! My name is Alex and i am a beginner in Java. I tried to create 2 simple objects from the same class and give them the values inputed from console( as string). Is this correct or it should be done in another particular manner? Also, the constructor asks …

I am trying to build XML to csv conversion The problem is extended attributes ( <AttrList> ) that I do not know how to read: This is the XML: <?xml version="1.0" encoding="UTF-8"?> <ProductCatalog> <Product> <ProductCode>FFC4UINTSATA</ProductCode> <Vendor>INTEL</Vendor> <ProductType>Cable</ProductType> <ProductCategory>Cables</ProductCategory> <ProductDescription>INTEL SAS/SATA internal cable (4xSerial ATA 7-pin (Male) - 1x (Male))</ProductDescription> <Image>https://www.it4profit.com/catalogimg/wic/1/FFC4UINTSATA</Image> …

Hello all. I'm using an API function via PInvoke, with the interesting data being returned to a pointer. My application crashes when attempting to free the pointer. If run with no breakpoints, the application hangs on Line 61 below. After the first run, it will then throw a memory exception …

I am trying to create Menu to may 2D game in Java. But the game is not responding to pressed keyes. Menu is working, but when I choose new game in menu, game starts but it does not react to pressed keyes. But, when I remove menu, game is responding …

I've installed the boost libraries binary version. How do I link this to my project? I've put the boost/bin path in my 'Path' environmental varialbe. Thanks

Hey guys i need some help on how to save Values in My.Settings Two texboxes to save two different values and be albe to read those values or laod them when the program is oppned again...and also to be able to be replaced those values...

can anyone tell me where is my problem ??? i cannot debug this program. -------------------------------------------------------------------- #include<iostream> #include<string> using namespace std; class student { private : string name; int id; float cgpa; public : void setName(string na); void setID(int number); void setCGPA(float result); string getName(); int getID(); float getCGPA(); void display(); …

Private Sub btnInsert_Click(sender As System.Object, e As System.EventArgs) Handles btnInsert.Click Dim con As New OleDbConnection Dim cmd As New OleDbCommand Dim dr As OleDbDataReader Dim Pnum As Integer Dim InDate As Date Dim PDate As Date Dim Amount As Integer Dim CmpID As Integer Dim Tax As Integer Dim TaxAmt …

std::string s = "65//3"; std::istringstream indexBlock(s); for (int i = 0; i < 2; i++) { int index = 0; indexBlock >> index; std::cout << index << std::endl; } I would expect the output of the cout to be: output: 65 3 as I thought the stream iterates through the …

Dear friends, I want to create a program that reads 10 numbers from the user and store it in a file namely Numbers.txt. After that I have to read each numbers and if it is a Even number then it should be stored in a file "Even.txt" otherwise it should …

Hi all! I have a table with (StudentID,Physics,Chemistry,Total,Average) I want to pull values of Physics,Chemistry and calculate Total and then Average for a specific StudentID. With the following code: "SELECT SUM (IIF(ISNULL([Physics]),0,[Physics])) As Phy, SUM (IIF(ISNULL([Chemistry]),0,[Chemistry])) As Chem, SUM([Physics])+Sum([Chemistry]) as Total FROM tblForm1 WHERE StudentID = '" & Trim(Me.txtSearch.Text) & …

**how can i delete a record on a database? im using this codes: Private Sub cmdDelete_Click() Dim con As ADODB.Connection Set con = New ADODB.Connection Dim rsDelete As ADODB.Recordset Set rsDelete = New ADODB.Recordset MsgBox "Are you sure you want to delete?", vbYesNo, "Santo Niño Census Info System" ' i …

I want to display datatable result in a label. I have something like this : PLEASE TAKE ACTION FOR LINE **LABEL** But i want the result to be like this: PLEASE TAKE ACTION FOR LINE **Z3, Z5, Z8** I try to use loop but still cant get the result that …

I want to perform an UPDATE query but i'm getting this error:  This is my Sub in vb.net: Public Sub changeStatus() Dim Sqlstr As String Dim connectionString As String = "server=xxxx;uid=xxxx;pwd=xxxx;database=xxxx" Dim strtTime As String Dim endTime As String strtTime = DateTime.Today.ToString("yyyy/MM/dd") & " " & "06:15:00" endTime …

Still playing with multi-threading and Prod-Con, at this point I've been at this for days. Would love some help debugging; thanks in advance. http://pastebin.com/jhHB9kTY - Main http://pastebin.com/BZSspf3x - Consumer http://pastebin.com/ndzAADJz - Producer http://pastebin.com/p7YdzH1D - Product http://pastebin.com/rxs3WzDT - Message http://pastebin.com/JR5ywgz1 - Utiliy 2 Producers, 4 Consumers Essentially Producers push a message …

Hi, Why does this piece of code throw me an error saying: **cannot return a value from method whose result type is void**? public void orderTotal() { int total; for (Order filename: Orders) { total = filename.getQuantity(); } return total; }

Silly question I am sure, and I'm almost positive I know the answer to this, but, if I have a static method that has a return type that is a non-static class type, when the static method is executing and after the method has initialized the class to return (but …

#module nametest def showName(): print("__name__ is: " + str(__name__)) If I import nametest into another module or into the shell interpreter and call nametest.showName() I find that name = "nametest", in other words __name__ gets the module name it is a built-in member of? The only exception I know of …

Hello everyone In my app i'm using the counter and timer, But im stuck with resetting the counter My code is: If Timer2.Enabled = True Then counter = counter + 1 Label1.Text = counter If Label1.Text = "180" Then Timer2.Enabled = false Timer3.Enabled = true End If End If End …

Hello! How is everyone? I know this program is somewhat simple, but I am working on learning classes, and I am trying to implement this in my code. I pretty sure my mathematics done in the program are correct, or at least on the write track. Here's what I am …

Hi, I was creating clone of breakout and got the game working correctly. But after setting up menu my keyboard doesnt respond anymore. But if I launch game directly without Menu class keys are working perfectly. Where the problem might be? Here is the full source code. VBreakOut.java package net.viped; …

Hello, I need a code that will check if a certain text exist. This is how it's now: If TextBox2.Text = ".sys\clock" Then TextBox1.Text = TextBox1.Text + Environment.NewLine + ("It's") + DateTime.Now End If and I want to make something like this If TextBox2.Text = ".sys\clock" Then TextBox1.Text = TextBox1.Text …

Hello Community, I was wondering if there is a way to make a program that will copy text from an excel spreatsheet and place it in another using visualbasic.net not vba? Please Help

Hi everyone I'm using stat() function to get the file's attributes , but I don't know how to get the permission of it . So can anyone tell me how to find the permission of the file?? Thanks in advance

Hi, I'm having some trouble writing a method to sort a LinkedQueue ADT. I find it difficult to keep track of the order things when sorting is concerned (ha ha ha). I'm trying to pull the values out of a Queue which store objects of type PrinterItem. Those objects in …

Error 4 error C2504: 'CYodaGeneralAuditListCtrl' : base class undefined c:\teamyoda\mainline\yoda\accounting\yodaaccountingauditlistctrl.h 15 i am recieving this erro can any one help me in solving it

I am making a project using hashtables. I have to use a linked list to handle duplicate hashcodes. The Objects that I am turning into hash tables are State objects with just a String name. I have debugged and tested my entire project and cannot figure out why it is …

* Hey ppl! i was wondering if anyone could get me started with a project in VB.NET 10. the project i wanna create is a program lik outlook 2010. its prob a long shot but i want it to be in *COMPLETELY* VB. i have VS 10 .net and u …

Hey Everybody! I'm totally new to this and ligit just signed up here. This is also my first post. I want to create the card game war as my first project in C#. I have Visual Studio.Net 2010 and am a total noob. plz make instructions simple. thx!

Hi all - I need to read a text file using a scanner class that has the following format: 5 5 5 5 5 5 5 0 0 0 0 5 5 5 0 5 5 5 0 0 0 5 5 5 5 0 0 2 0 The first …

Hi, I need some help to count the number of values between some range. var listSource = new List<double>(); listSource.Add(10); listSource.Add(15); listSource.Add(22); listSource.Add(30); listSource.Add(35); listSource.Add(40); listSource.Add(42); listSource.Add(45); //number of classes -> in this case will be 3 int nClasses = Convert.ToInt16(Math.Round(Math.Sqrt(listSource.Count))); //retrieve max and min values double minValue = listSource.Min(); …

Hi, I am creating a simple game and I my game thread and my player2 thread seem to be executing twice each time the Thread.Sleep() expires. This is the output: Starting game: Player 2 thread Game thread Starting game: Player 2 thread Game thread Player 2 thread This is the …

May i know how to create textbox using code and store the design in window form, next time i open the form that must be same as previous i designed.

Hello Community, I was wondering if there is a way to replace a cell value from one excel spreadsheet and save it as another spreadsheet but with the replaced cell value. Please Help

here is the error. .exe'does not contain a static 'Main' method suitable for an entry point. using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace ObjectOriented { class Greet { public void Hello() { Console.WriteLine("Hello World!"); Console.ReadKey(); } } } --------------------------- using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace …

Hi guys, i dont think im using the boolean and break correctly i need it to see the tutormin>=240 and then throw the error and stop without exiting the program. can someone take a look and help me edit it import java.awt.*; //imports all Java.awt import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import …

Good day, I want to search something from my database. my queries are working DataRow dr = PatientInformationBL.GetPatientSearch(new PatientInformation { firstName = txtFname.Text }); actually the GetPatientSearch is a method that is connected to my DAL. the codes returns no error but it displays in datarow.the result should be put …

Using java, I need to parse a json text file that will contain data according to the layout shown below. The number of email addresses per store will vary. The point is to get a list of stores & corresponding email addresses, then send emails to the addresses. I have …

The string is about 3k long. It contains a substring several times with the following specification: 1. First part is FIXED number of characters. The same for all the substrings. 2. Second part is the one to be extracted and stored in an array.It is of variable length 3. Third …

Here is part of the html <body> <table> <tr> <td id="ctl00_ContentPlaceHolder1_TD_Unlimited_Usage_PerDay" class="form_label" colspan="2"> <table width='100%' cellspacing='2' cellpadding='0' border='0'> <tbody> <tr> <td align='center' bgcolor='#E1E1E1'>Date</td> <td align='center' bgcolor='#E1E1E1'>Download Usage</td> <td align='center' bgcolor='#E1E1E1'>Upload Usage</td> <td align='center' bgcolor='#E1E1E1'>Total Usage</td> </tr> <tr> <td class='table_item' align='center' bgcolor='#EBEBEB'>2012-11-02</td> <td class='table_item' align='center' bgcolor='#EBEBEB'>1.269 GB</td> <td class='table_item' align='center' bgcolor='#EBEBEB'>0.286 …

For a project i have to create a program that is able to write and read a sequential file and list the contents into textboxes. So far i am able to write to the file but the problem is i am not able to retrive/read the information from the file. …

Hi everyone, We all face dificullity in coding recursivly, maybe most of new codders and CS students. However, **my question today is related to How many number of execution been made by the recursive method.** Which I think a bit tidious. I'll be updaing this article with new questions any …

Alright. I am making some decent progress here. I am trying to add a toolbar to my basic text editor that I am making using an internet tutorial. Anyways the problem is that I can get the bitmaps to display but they appear to be just that... bitmaps. When I …

I'm probably doing this wrong, because there has to be a way to do this. Here is my current code: import javax.sound.sampled.*; public class soundHandler{ soundHandler() { } public void newSound(String sound) { new soundThread(sound).start(); } } class soundThread extends Thread { String soundName; Clip clip = null; soundThread(String i_soundName) …

I am trying to create a checker program(for a sudoku puzzle) that will read a completed board and then go to determine if it obeys the constraints. If it does, it just says so, if it doesn't it reports the conflict. Where should I start? Thanks.

I'm trying to switch "M" to "Mr." and "F" to "Ms." when the last name is selected in the listbox. When I clicked on the first name it worked, but when I clicked on anyother name, I got this error message: --Additional information: Index was outside the bounds of the …

Hi, Can anyone tell me what is wrong with this code? It seems to be throwing me some error: **non-static method getName() cannot be referenced from a static context.** public void printOrders() { for(Order filename: Orders) { System.out.println("Name: " + Order.getName()); System.out.println("Quantity: " + Order.getQuantity()); } }

Hi, I have a csv file im reading and this is what I have done so far: import csv filename='C:\Users\temperature.csv' with open(filename, 'rb') as csvf: reader = csv.reader(csvf) for row in reader: print row the result is as following: ['Depth (m);15.08.2012 15:39:09;15.08.2012 16:09:10;15.08.2012 16:39:10;15.08.2012 16:43:36'] ['0;53.218;52.804;52.865;51.202'] ['0.128;53.107;52.709;52.414;52.141;'] ['1.143;52.205;51.88;51.664;51.234'] ['2.159;51.026;50.846;50.842;51.258'] ['3.174;50.061;50.055;50.457;50.19'] …

Is it possible to remove an Icon or ImageIcon once it is set to a JButton or JLabel? When a specific action in my program has taken place, the picture in no more appropriate and I want to remove it from a JLabel.