Software Development Forum

Hello, I'm Mirza and I'm in the first semester of an IT university. I like to experiment with Java, and occasionally I run into problems. Now, I've been visiting daniweb for quite a while now, and I've always found solutions to my problem, but this particular problem I just can't …

Hi, I have a listbox on my form that is bound to my SQL table. I have various functions to that table from my from (add rows, delete rows, edit rows). However, after I do one of these functions, the data in the SQL table updates correctly, but the listbox …

WHERE Category = '" + CategorySorter.Text + "' AND DateAdded = '" + DateValue("DateEnd.Text") + "' " thats my query and its not working, if the user input a date(like this 12/25/12) in DateEnd.Text, i want to confirm if it is existing on a database

I'M trying to test a function that would be able to determine if it was or was not leap year. I believe my problem lies in the if statement but due to my lack of knowledge concerning shell I don't know what else to do here. #! /bin/bash read -p …

Say I have the following XML: <People> <Group id="1"> <Person FirstName="Bob" Surname="The Builder"/> <Person FirstName="Jane" Surname="Doe"/> </Group> <Group id="2"> <Person FirstName="Billie" Surname="Jean"/> </Group> </People> How can I update Group 1 dynamically by replacing it from an imported xml file (for this sake, we'll store it in a variable called $ImportXML)? …

Hi , I am able to compile my program , which simply connect to mysql and prints the table result. But I am unable to compile it with Makefile. Any pointer will be appreciated. My program: [code] #include <mysql.h> #include <stdio.h> main() { MYSQL *conn; MYSQL_RES *res; MYSQL_ROW row; char …

Hi guys, So I have a list of objects, each which belong to a particular subclass. I am trying to calculate a running standard deviation as follows: Label = [] Resistance = [] m = 0 i = 0 j = 0 for row in Reader: if len(row) == 0 …

Hey I am having trouble with a tic tac toe game and I could really use some help. My if statement(line 51) is underlined, says its invalid syntax, and I cant fix it no matter what I do. Here's my code: http://pastebin.com/UtVTz4gg

HI all, I am having a little problem with the following program. Here are the files: Player.java: import java.text.DecimalFormat; public class Player { private String name; private double average; public Player(String name, double average) { this.name=name; this.average=average; } public String getName() { return name; } public double getAverage() { return …

Hello, I have some java code I want to port to C++, and first class in the Heirarchy has me stumped. I'm trying to port a simple parsing framework as an exercise to figure out how it works internally, and almost everything in the framework requires, uses, or is `PubliclyClonable` …

Hi all I have an Access database Table and one of the columns has a date value the column name is closing. I would like to do an order by closing asc the null values are allways on top and I would like it to be at the bottom. I …

Hi, i'm making a server client piant program that send what is painted on the server to the client(and vice versa). this program is supposed to use instruction based transmission of the image. i have a server client program that sends what is drawn on the server to the client …

Hello, i am creating one multiuser project. All data will be stored on server side. But i need to store some settings on client side. So can any one help me which are the ways to locally store data and which is best??? Thank you..

I'm in the middle of reading "Windows Internals 6th edition", and after mentioning 32 bit threads running on 64 bit Windows have 3 stacks, one user-mode 32-bit, a 64-bit user-mode, and a kernel-mode stack (along with a 32 bit CONTEXT and a 64 bit CONTEXT "block")--when it proceeds to explain …

I am unable to execute the editProfile() method in MainMenu class. The purpose of the method is to be able to extract the bean values and display them on the empty textfield. I am not sure if i did it correctly. any recommendations for any changes to editProfile() method. public …

i'm trying to show date in a text field this is what I did java.util.Date date=new java.util.Date(); this.DateObject.setText(date); and its wrong... please help & thank you.

I have datagridview which is populated with 3 columns partno,locality,houseno. Initially my row colour would be say light blue. Now what i want is whenever houseno changes in row,its row colour should be changed to say grey. That means whenever houseno changes,these two colours should be alternately applied to rows …

Hi Everyone, I have been trying to post a code by I am not able to do it; I might the wrong but I am following all the rules; I don't know what else to do; please help. I will try to copy as follows (it might works) :) #include …

So I have been working on this project for quite some time and I can't figure out why I keep getting an "Illegal Start of Expression" error. I tried moving the variables above the main method and that only returned the same error but instead of the error occuring at …

#include <iostream> class Hello { public: void Test() { std::cout << "Testing" << std::endl; } }; class Hi { public: Hi() :hello(new Hello()) {} ~Hi() { delete hello; } void Testing() const { hello->Test(); } private: Hello * hello; }; int main(int argc, char ** argv) { Hi hi; ; …

I have this paint program and i'm having a very silly problem. I'm trying to set the paint area to west position using border layout but when i do that it doesn't show up when i run the program. if i set it in the center it shows up. everything …

Hey, Guys and Gals. For some reason the variable text_list seems to be modified after the variable final has been modified. text_list is a list of text :) Full code is below. Any other hints and tips would be great Thanks a bunch. decode_list = [] key = 0 final …

In order to show a first run dialog (a window that appears before the main application starts if certain conditions are met) I have decided to modify the Main method and do this: static void Main() { Application.EnableVisualStyles(); Application.SetCompatibleTextRenderingDefault(false); if (Properties.Settings.Default.FirstRun) { Application.Run(new RunOnce()); } Application.Run(new Main()); } Is this …

class Emp { int name, emp_no, addrs, ph_no, deprtmnt, post, project; Emp(int a, int b, int c, int d, int e, int f, int g) { name=a; emp_no=b; addrs=c; ph_no=d; deprtmnt=e; post=f; project=g; } Emp(int a, int b, int c, int d) { name=a; emp_no=b; addrs=c; ph_no=d; } Emp(int a, …

Hi, How can I do to get motherboard and processor serial number in VB6? I am able to get HD serial number with this code: Option Explicit Private Type DRIVEINFO HDDSerialNum As String End Type Private Sub Form_Load() Dim info As DRIVEINFO Dim objs As Object Dim obj As Object …

I'm making a little program with tkinter and trying to get this timer to work. I'm getting a "'float' is not callable" error. Does anyone know what I'm doing wrong? The error happens when it tries to call 'self.clock_start()' def create_widgets(self): #create the main frame self.root = Tk() self.root.title("Learning Timer") …

hello, i have made the code below. however, when comparing the two strings they are not equal when in theory i thought they would be. String word="abc"; String d=""; d += "a"; d += "b"; d+= "c"; if(word==d) { System.out.println("IS EQUAL"); } When i just print out string d it …

Hi, I have yet another VB question (I am a noob!). Here is my code: Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click Try Dim Equip As DataRowView = ListBox1.SelectedValue Dim Equip_Delete As String = Equip.DataView.ToString MessageBox.Show(Equip_Delete) cmd = New SqlCeCommand("DELETE FROM Sensor_Table WHERE Equipment_ID = …

Hi all, I have another question. I am trying to use an update statement to update an item in a listbox. Please see below: Imports System.Data.SqlServerCe Public Class Edit_Sensor_Form ' Shared variables Dim con As SqlCeConnection = New SqlCeConnection("Data Source=C:\Users\Bryan\documents\visual studio 2010\Projects\SiteSecure v1.1\SiteSecure v1.1\Database1.sdf") Dim myDA As New SqlCeDataAdapter Dim …

> Write a recursive, bool-valued function, containsVowel, that accepts a string and returns true if the string contains a vowel. > A string contains a vowel if: > The first character of the string is a vowel, or > The rest of the string (beyond the first character) contains a …

Run-time error '-2147217887 (80040e21)' Multiple-step operation errors. Check each status value. === The one highlighted was: **Adodc2.Recordset.Update** Private Sub Command1_Click() Adodc2.Recordset.AddNew Text13.Text = Label19.Caption Text14.Text = Label15.Caption Label5.Caption = Text6.Text + "-" + Text7.Text Label3.Caption = Text1.Text Label21.Caption = Text10.Text Text11.Text = Text6.Text Label17.Caption = Text3.Text + ", " + …

hi all, i'm very - very newbie here, i need a help, i try to connect arduino with vb6, i want to display data from arduino to vb6, lets say the data is : "the distance : XX m", the problem is when i want to put data via mscomm.input …

I'm trying to find two cases in a test string. _Large and jpeg Here is my string : E:\Music Test Folder\Lamb of God\Wrath\AlbumArt_{F5969BAB-11BC-49E0-9B56-B6E9654204B7}_Large.jpeg And here is my expression: Match large = Regex.Match(file, @"^.*(_Large).(jpeg)$/i", RegexOptions.IgnoreCase); I cannot get a match. What am I doing wrong?

When using this code to insert 5, then 18, into a binary search tree, the data value 18 is placed as the left child of the root instead of the right child. The statement if data < node.val: (in the insertR method) doesn't seem to be working correctly. Can someone …

Hi all, I seem to be having problems with summing all the values in a .csv file with the following format: 3.2323232312 7.5345345675 3.3423565624 etc... I have opened this with a spreadsheet at it seems the floats are all in column[0] and each number is on a different row. with …

hello, Iv been trying to write a java program to read an image from a list of images in a file I.E: * File * Filename * Image1 * Filename * Image2 * Filename * Image3 The problem i am having is that the filename's are string objects followed by …

Hello everyone, I am trying rotate in pygame, but I can't. What would be the best way to rotate something around its own center?? Thanks

I recently started to learn rich text format and i am encountering a bizarre behavior. Here is the code: private void button2_Click_1(object sender, EventArgs e) { s = richTextBox1.Rtf; s = s.Insert(s.IndexOf("colortbl ;") + 10, @"\red0\green255\blue0;\red128\green0\blue0;\red128\green128\blue0;"); LockWindowUpdate(richTextBox1.Handle); string t = @"{\cf3 test }"; s = s.Insert(s.IndexOf("int") + 3, t); //insert …

Hello all, I am having a little issue I was hoping to get some help with. I am working on an app and everything was going great. I was able to write to my db and all feilds were working great, so then I wanted to add a user password …

Hi everyone, I have a simple problem related to string, but I did not notice before that we can't give space in string input. For exmaple in the following program, take name input from user. If user enter M John, it will skip the enter email input(and the program will …

I'm really new in ADO for just a substitution on Data Control (I cannot dl any access 2003 D:) --- Whenever I enter command3, it says: *Compile Error: Method or data member not found* and the highlighted one was **.EOF** Code: Private Sub Command3_Click() Adodc1.Recordset.MoveFirst Adodc1.Recordset.Find "SID = '" & …

does vb.net have a 3d pie chart? or can i possibly use a 3d pie chart on vb.net?

So in my classes I've taken I was told by the teacher "case statements and if-else statements are the same things essentionally" so why learn both? and so I was not taught about cases. Besides the fact I should learn it anyway incase I need it for someone elses code, …

I'm diving into various Image reading and writing methods and writing my own. I decided to tackle TGA/Targa. I got reading working flawlessly. It reads both compressed and decompressed .TGA files. I got writing decompressed .TGA files working. However, I cannot figure out how to write Compressed .TGA files. I …

class Program { static void Main() { Console.WriteLine("Roll Nos." + " " + " Names" + " " + "score 1" + " " + "score 2" + " " + "score 3" + " " + "Average\n"); Console.ReadLine(); LinkedList<string> Linked = new LinkedList<string>(); Linked.AddLast("maryam"); Linked.AddLast("ali"); Linked.AddLast("mahum"); Linked.AddLast("aliza"); Linked.AddLast("faizan"); Linked.AddLast("mehreen"); …

Friends, i have to submit a project on Car Rental System which is to be made in C. i have made half of the work like giving out the menus using Switch, but the prof told me that i have to now input the details of the customer and then …

Hello, Im looking for a way to construct a scale-able 2d list or something of the sort. What i have so far is an array int [][] mydata = new int[6][4]; The problem is in my editor i wont know how long to make the array as people are going …

Both DataOutputStream and PrintStream do basically the same thing - convert primitive types and Strings to bytes before writing them (writeUTF() is an exception). Why different classes ?

Hello All, I was doing some multi-threaded programming using the new C++11. This thought came across my mind: Is there any problem if some shared data is accessed by multiple cores on a CPU? Even if it is just a read. Does this lead to some problem? Could anyone please …

I have to write a program that will input a text paragraph from the user. The maximum size of the string will be 500.I have to write a program in which if user select 'R' or 'r' then user is asked to enter a word he wants to replace and …