Software Development Forum

I'm trying to make a simple random name generator by pulling first and last names from text files. The problem I'm having is that sometimes the names are chopped off and incomplete with the output and sometimes the names are on two different lines. I would also like to be …

Hi everyone, I have a cpp code (Let's call it code1.ccp) that reads some data form a file named "InputFile1" and after a few computation writes the results on the file "OutputFile1".What I need to do is to run this piece of code for InputFiles2 to InputFile100 and write the …

Greetings, I'm creating a calculator for a game.. However when i use the code below, i get this error message: Conversion from string "" to type 'Double' is not valid. Private Sub DualTimer_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles DualTimer.Tick If BuildCombo.Text = "Main-Hand + Off-Hand" Then APSDPS3.Text …

Hi, I have a text file in which there are 10000 lines. There are 225 numerical values on each line and each numerical value is followed by a index number and a colon e.g., 1:0.021354 2:0.125432 3:451321 ...... 225:0.001254. Now I want to remove this indexing. I know how to …

Hi guys, Currently I have a list view which is populated from a table in a Access database. It currently shows 3 columns of data which is fine. When I click on the item It populates the left hand side whith is full off text boxes such as 'Name', 'Address …

Hey just a question to prove me right or wrong. I am wondering what the 'this' in the following code refers to in terms of my applet. mainThread = new Thread(this); I believe that it refers to the run method which defines the thread. I was told I was wrong …

Hi All, There are many articles available that describe how textbox watermark can be done with the .Net framework(C# and VB.Net) I'm working on a VB6 project. How to implement this with a VB6 textbox?

Good day! How to move to a specific record base on the current recordset of adodc control? I have this employee_(empID, empName, EmpSalRate). I have load all employees data by using this code: dim Sql as string Sql="select * from tml_employee order by empName Asc" AdoDc.ConnectionString=Conn AdoDc.RecordSource=Sql AdoDc.Refresh Thus, I …

This is my program for Biodata in applet using JFrame import javax.swing.*; import java.awt.*; public class Biodata extends JFrame { JLabel jlname,jladd,jlmobno,jldob,jlgender,jltab,jlhob,jllang; JTextField jtname,jtmobno; JTextArea jtadd; JComboBox jcd,jcm,jcy; JRadioButton jrm,jrf; ButtonGroup bg; JTable jtedu; JScrollPane jsp,jshob; JList jlhobby; JCheckBox jc1,jc2,jc3; JButton jb1,jb2; JPanel jpr,jpcombo,jpcheck; JFrame jf; Biodata() { jf=new JFrame("Biodata"); …

Hello All, First time poster, long time reader and thank you for all the previous help I have recieved from everyone. I am having trouble conneting to my access db. I think I have the bulk if this right, but I am getting an error on the newconnection.open() line. I …

hello, i'm confused here. i have an assignment that required me to create a project registration program that have student, project and supervisor. i haven't start to do it yet. but i've gone through the question. there's a part of the program that need to list out the student's, supervisor's …

Like you would compile a C++ program. But with C# you always need the .NET framework (such a draw back sometimes). Is there anyway that you can compile the program and run it without .NET?

Please can anyone tell me how to convert an ArrayList<Integer> to byte[] Thank you

Hi, I'm hoping someone might be able to help me with what I think might be a simple problem. I have came across the need to add to an unsigned char array a literal single quote "'" My question is how can I achieve that? unsigned char uArray[4]; uArray[0] = …

i used this code to delete row from datagridview but it dosnt delete the selected row it delete the first row , where is the problem?? Dim sCommand As SqlCommand Dim sAdapter As SqlDataAdapter Dim sBuilder As SqlCommandBuilder Dim sDs As DataSet Dim sTable As DataTable ***** Dim connectionString As …

Hey, I'm trying to change the color of a textbox border say if a value returned false. private void UserBox_TextChanged(object sender, EventArgs e) { ControlPaint.DrawBorder(e.Graphics, this.ClientRectangle, Color.Red, ButtonBorderStyle.Solid); } } the problem is EventArgs e doesnt have a graphics member, EventArgs should be a PaintEventArgs, but when i change its …

Hi there. I developed a program that creates Data Reports using this way : [Click Here](http://www.vbtutor.net/vb6/lesson40.html) But instead of using "Microsoft Jet 3.51 OLE DB Provider", I used "Microsoft Jet 4.0 OLE DB Provider" because when I used "Microsoft Jet 3.51 OLE DB Provider" it couldn't connect to the database …

We are atsked to create a net salary calculator or something that computes the net salary. I used three radio button in which if it is selected, it has corresponding solution for each selection. The three radio button are probationary, regular and permanent.......here is the code Private Sub Command1_Click() Dim …

Ok i manage to autoselect items on listbox till reach the end of list, but i need it to automatically loop back to the fist selection of indexes when it reach the end list and so on .. i need help on this part newbie here :) if Me.Listboxs1.SelectedIndex + …

hello, im having troblue getting my linked list to show everything on the list. it only shows the first node, and nothing afterwards. #include <iostream> #include <string> class list { private: struct node { std::string name; std::string phone; node *next; }*head, *tail; public: list() : head(0), tail(0) {} ~list(); void …

Just wondering how the game would be put together, maybe even a step by step tutorial. I could use this to practice with the commands used without Tkinter or Pygame. This could be a good learning experience.

Hi guys, i'm trying to program a simple Tic-Tac-Toe game with extern Buttons. When i'm compiling the Code there's no mistake, when i press Button1 every thing ok, but on the most other Buttons a mistake is shown up : Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException at grafik.Zeichenfenster.farbeAufloesen(Zeichenfenster.java:330) at grafik.Zeichenfenster.zeichnen(Zeichenfenster.java:276) at …

I'm trying to find an event that handles which tab is clicked? I know it has to be simple, I'm just missing it. I want to say "when tab1 is clicked, do this, when tab2 is clicked, do that"

Hello, I am new to the forums and I am just starting to learn python. I have been writing the following program and have ran into a problem with getting it to work right. If anyone can offer some advice on what I am doing wrong I would be thankful. …

Hello programmers! My Library Software with DataBase is 99% finished and I have an error. When I click Save or Delete I got error message: **Cannot insert explicit value for identity column in table 'Table1' when IDENTITY_INSERT is set to OFF.** I want to know **HOW** to set IDENTITY_INSERT to …

i'm tring to make a diary. i need nice background. user could edit text anytime if he/she wants. but i cant do that, because i cant make transparent background on textbox or i cant make editable label. is there any way to do transparent background on textbox? how can i …

Which of the following code is likely to take less time to get executed? /*Format 0*/ main(){ int a=3,b=5; printf("%d",a*b); } /*Format 1*/ int mult(int a,int b){ return a*b; } main(){ printf("%d",mult(3,5)); } /*Format 2*/ inline int mult(int a,int b){ return a*b; } main(){ printf("%d",mult(3,5)); } As of now,I understand …

I want to make level editor in which I want it to have three buttons CreateNode , Reset Node Create Node - It will add node in screen Reset Node - It will reset all the links from the Node And when the node is created on window if I …

Hi I have a vb.net form connected to an access database using vb.net .All my other button except for the add new button If Valid = True Then CustomerBindingSource.AddNew() Me.TableAdapterManager.UpdateAll(Me.DB_ShopDataSet) End If I want this code to add a new row to the customer table.However the current code modify the …

Hi, The code below selects all items in a listview control,fine,but I was wondering how I could code to select all but the very last line in the array. [CODE]Private Sub SelectAllToolStripMenuItem1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles SelectAllToolStripMenuItem1.Click Dim i As Integer Dim lvItm As ListViewItem Dim …

import java.util.*; public class EmployeeTest { public static void main (String[] args) { Employee[] staff = new Employee[3]; staff[0] = new Employee("Carl Cracker", 75000, 1987, 12, 15); staff[1] = new Employee("Harry Hacker", 50000, 1989, 10, 1); staff[2] = new Employee("Tony Tester", 40000, 1990, 3, 15); for(Employee e : staff) e.raiseSalary(5); …

Please how do I convert a string of hexidecimals “10B71356C845FB08E04951AAA2FF9F49” to integer? I tried using getBytes then Integer.valueOf but I got 32 integers instead of 16. Any help would be greatly appreciated. Thank you.

Could someone please tell me what this means. a[ ..., j ] Thank you

Hello, I am trying to fill an array with 20 unique random values between 1 and 60. I know what I need to do to get this to work, but I'm not sure how to do it. Here's what I've got: void fillArray( int arr[], int size) { int arr2[20]; …

> Quoted Text Here i got this code from a book i am practicing with and when i try to compile it returns the following error EmployeeTest.java:30: incompactible types found : java.util.Date required: Date hireDay = calendar.getTime(); please how do i debug it import java.util.*; public class EmployeeTest { public …

Hi, I've got a set of folders with each contain many files. I need to extract a specific file extention(.sof) from each of these folders to a new directory(or the same directory in a new folder). Any help is appreciated. Thanks.

Good day! I knew this is easy to all of you guys. But I need the most precise way to parse this string "**45:50"** and store the result in **two dimensional array with int as datatype**. The delimeter is "**:**". Thank you!

What would be the error code for this?? Am I using perror() at right place?? The output shows "No error" #include <stdio.h> #include <conio.h> #define MAX_VAL 32000 int main() { start: int x; printf("Enter a value for x= "); scanf("%d", &x); if (x > MAX_VAL) { perror(""); getch(); system("cls"); goto …

I wrote the following code to test which is faster: performing a multiplication and division many times, or accessing the results in a vector via iterators(perform the calculations ahead of time), or hard coding the results of those calculations into the program. I actually expected storing the results in the …

I was thinking about somehow using a static member that all the matrix cells will be defined by their value + the static value. but than i thought how can i do it? what is the easiest way of doing so without the need to run over the 10^6 cells? …

I am using the (EditingControlShowing) event to Enable AutoComplete in DataGridViewComboBox Column. private void dataGridView1_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e) { if (e.Control is DataGridViewComboBoxEditingControl) { ComboBox combo = (ComboBox)e.Control; ((ComboBox)e.Control).DropDownStyle = ComboBoxStyle.DropDown; ((ComboBox)e.Control).AutoCompleteSource = AutoCompleteSource.ListItems; ((ComboBox)e.Control).AutoCompleteMode = System.Windows.Forms.AutoCompleteMode.SuggestAppend; } } But it has a strange behavior, when I type some characters …

I like to have the name of the current method for logging purposes. For example: string Commands::test(StringTokenizer& tokens) { static string src("Commands::test"); ... _log.debug("message", src); } I'm worried that creating 'src' might cause a performance hit. I made the string static thinking it would only be constructed once, the first …

I am trying to make a program that generates a random number and asks the user to input the random number generated by the computer. Anyone know how to do this? This is my program: #include <iostream> #include <cstdlib> #include <ctime> using namespace std; int main() { int one; time_t …

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HI i have this error null reference i don't know why Imports System.Data.SqlClient Imports System.Configuration Imports System.Configuration.ConfigurationSettings Public Class Form1 Private ConName As New DataAccess Private Sub cmdconnect_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdconnect.Click Dim conn As String Dim m_server As String Dim m_db As String m_server …

Hi, everyone! This is my first post ever here in Daniweb. I experienced a problem in printing the sorted array of 5 numbers, as the following code only prints the first iteration of the loop, and it does not print the array input. Here's the code: section .data i db …

I am not able to figure out what's wrong with the following code: Is it a rule to create objects in class that contains main method and then use this object to access the methods? I did exactly reverse in the following code and i am not able to compile …

I am working on an application that keeps track and uses files stored on the file system. Users are allowed to open, create, delete and move files in the file system. Meanwhile my application is not constantly running so I can't keep track of all changes real-time. Afterwards my application …

I have a rootnode and its value is (1) then it's childnode is (2,3) I add childnodes to (2) but on (3) I do not know. how can I add childnodes to 3?

Hello everyone, I progress step by step my problem, one step is passed -now I can send string datas -text messages- here another step is I want to record some audio sounds by using microphone in first android emulator assume phone1 and send to second android emulator-phone2-. I found whole …