Software Development Forum

Hi, I have to open and read multiple files which are in same folders. I can search and collect the whole size of those files. But the problem is with when I'm copying the files to a buffer. How can I read the multiple files? I'm using this example for …

Hello, I have been working on a time clock application, and I'm trying to be able to select an employee from the DataGridView and populate their information into text boxes. I have done some research and what I have found works . . . sometimes. So sometimes when I click …

can anyone,plz send m the code for retreiving & updating images onto the sql-server using vb.net...ASAP... regards, preetham......

I keep getting an error "not all code paths return a value." I've tried placing the return statement in several places to resolve the issue. Obviously I don't understand how to resolve this seemingly simple and common problem. Also I'm using a using statement for the datareader and a try …

Hi. How can I properly, and explicitly destroy std vector? Here is how it is created. std::vector<std::wstring> vData = StringSplit(sData,L',');// StringSplit returns a vector of wstring Shortly after using and converting the contents of the container, I no longer need it, or want it hanging around in memory. I don't …

Hi Everyone, I am trying to get the program below to work correctly. The line below is where I'm having trouble. (line 33 in PrefixCalc.java) calc = new ExpressionTree(new Scanner(console.nextLine())); When I run the program and enter "4 + 8", the scanner only picks up "4". Apparently this program was …

an we add a skin to C#.net software we develop?

Hey folks I've finally figured out how in WPF to template all my buttons so they all behave they way I want. Basically, I want all my buttons, when clicked, to drop down and to the right a few pixels then pop back up. The problem is, I can't set …

Pls can someone help me i want to package from VB.net 2008 but when i reached Add project Output is empty . How can i fixed that error. Thanks to All

This is my code : import java.awt.Button; import java.awt.Component; import java.awt.Container; import java.awt.Frame; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.*; import javax.swing.AbstractButton; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JTextField; import javax.swing.SpringLayout; public class SpringSample extends Frame implements ActionListener { private static final long serialVersionUID = 1L; SpringSample() { …

I'm having a bit of a problem with how to code something. Here is how it is in my head. I want a function which is not part of a class to access members of that class, so I want to make the class global. I have done this with …

Hey guys! I am working on a school project where I choose "The Evolution of Technology" as my topic. It'll be from making stone tools and fire to the modern information age. I choose a videogame to represent my research and outcome and I'll use Java. I already knew a …

Hello Im trying to send emails thru Java and they have HTML plus embedded images. Everything shows up except the embedded images. What could be wrong? My email is a entire String with HTML code. Thank you

i have a class enemyboss and sending it to different class called levelObject. main.java EnemyBoss enemyObject; ... //game loop - actionperformed levelObject.nextLevel(enemyObject); ... //paint method if(enemyObject!=null){ enemyObject.paint(g); } in level.java class i am createding enemyobject class. level.java ... enemyObject = new EnemyBoss(50, 20); ... the problem is nothing prints on …

hi, i want to delete data in database from textbox. after i execute my program.there was error saying that oledbexeption was unhandelled and Syntax error in FROM clause. can you help me.. Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim data As String Dim objCmd …

I need to revise a previously written code with a class I just wrote. My Program: import java.util.Scanner; import java.util.Arrays; public class ModifiedLab7 { public static void main(String[] args) { Scanner input = new Scanner(System.in); System.out.print("How many points? "); int n = input.nextInt(); double[][] points = new double[n][2]; for(int i …

Pls guys help me with assignment: difference between RSA and DES(Data Encryption Standard)

Ok I am making a user interface for Battleship and want a Frame to appear on the side with the title and instructions of the game in a disabled JTextArea. With the code I have now I can get the JFrame to open blank. The JTextArea only appears if I …

I’m making programs which will separate a two digit number from a textbox to two different labels. Later I want to take those two separate numbers and square them indiviudally and add them together. It would be great if someone can get me some help. This is what I have …

I'm soliciting advice for performace improvements for creating a weak checksum for file segments (used in the rSync algorithm) Here's what I have so far: def blockchecksums(instream, blocksize=4096): from hashlib import md5 weakhashes = [] stronghashes = [] for chunk in iter(lambda: instream.read(blocksize),""): a = b = 0 l = …

Hi Does anyone know if there is an equivilent of std::stoi (string to Int) for use with wstring that I am missing? Seems a bit odd that it would be ommitted from the library, but I cannot find anything. Thank you for reading.

Hello, I have learned some basic Java, but now I want to learn Objective-C. Is there a tutorial or problem set of programs to make that I can follow to quickly learn the basics? Here is what I know how to do so far... #import <Foundation/Foundation.h> int main (int argc, …

Hi I wonder How I can add version detection to port scanning? from socket import * ip = raw_input("Enter IP to scan : ") start=input("Enter start port number : ") end=input("Enter end port number : ") print "Scanning IP: " , ip for port in range(start,end): s =socket(AF_INET, SOCK_STREAM) if(s.connect_ex((ip,port))==0): …

is it any different to use with in python 2.5, becuase at work i wasnt getting error, but now i am implementing the logic at home on python 2.5 i am getting error from __future__ import with_statement import nuke grp = nuke.toNode("Group1") with grp: nodes = nuke.allNodes() for node in …

Hi I get a littel problem to read,sort,count and remove punctuation marks from text file. data="""I love the python programming How love the python programming? We love the python programming Do you like python for kids? I like Hello World Computer Programming for Kids and Other Beginners.""" ##f = open …

Hi, it's been a while since I have used Python and I am very rusty. I have a problem with a piece of code and I can't for the life of me figure out what is wrong. Basically I need a piece of code that prints 'to cold' if the …

I wanted some help with vb.net code to use the previous, next and continue button. The program reads a text file and displays the info in textboxes on the form. It will then insert a new record into the sql database. It then moves to the next line on the …

Allright. It's me again. :D This time, I'm making an alarm clock program. I've already completed the bit that gets and displays the system time: Date vrijeme = new Date(); int sati = vrijeme.getHours(); int minuti = vrijeme.getMinutes(); int sekunde = vrijeme.getSeconds(); Also made a method that compares that time …

I'm using the following code to write to a csv Dim str As New StringBuilder Dim dr As DataRow Dim field As Object Dim column As DataColumn myds.Tables(0).AcceptChanges() For Each column In myds.Tables(0).Columns str.Append(column.ColumnName.ToString & ",") Next str.Replace(",", vbNewLine, str.Length - 1, 1) For Each dr In myds.Tables(0).Rows For Each …

I have this xml file <?xml version="1.0"?> <xml> <accounts> <user name="User123" cellphone="000000000123" email="n/a" balance="123.12" pin="123" accNumber="123"/> <user name="User456" cellphone="000000000456" email="445@email.com" balance="456.45" pin="456" accNumber="456"/> </accounts> </xml This file is part of an ATM's database, containing the user's details. I would like to change a spesific value. Say "User123" is login at …

Hi All, I have two datasets, myds.Tables(0) and UmbrellaFromExcelDataSet.CancelTemplate . I've updated the UmbrellaFromExcelDataSet.CancelTemplate using data from myds.Tables(0) and now I want to put that data update into the database that it orignally came from. The database isn't updating though. My code is as follows: Me.UmbrellaFromExcelDataSet.CancelTemplate.AcceptChanges() Dim csvRow As DataRow …

Hi all, I was having a huge problem,i mean i spent days trying to fix it but i get the same exception everytime when i run the app. here's the thing i have a record that is loaded from the database using the listview.it works perfect for the insertion part.but …

I need help creating my moneydriver. requirements: 1- the driver class should create an array of 5 objects. 2- must use loop to determine which Money object has the most amount of money. 3- I need to use compareMoney() method for my comparison. I start building my MoneyDriver but need …

I am trying to make an ATM program in C++, I was able to make one 1 C# but decided to try and implemment it int C++. I basicly have this .ini file #constant format: ACCOUNT_NUMBER PIN BALANCE 123 123 123.12 456 456 456.45 And this code: #include <iostream> #include …

I'm trying to make a function similar to strcat(char,char) in string.h header file. Somehow this code does not catenate the strings. Please help me make it better. void strappend(char *a, char *b) { int i; int start_pos = strlen(a); for (i=0; b[i]!='\0'; i++) { a[start_pos + i] = b[i]; } …

Hey i have no clue what to put in the ReduceFration and CommonDemoninator sections. I know that you call the gcd function for ReduceFration and lcm function for CommonDenominator. Should be easy few lines of code but I'm a Beginner! Here's the code: #include <iostream> using namespace std; int gcd(int …

i was thinking of downloading some database software that would help me learn sql. so far i have only *read* sql , ie havent done any practical sort of thing. i made a post earlier in this forum , where i was told that sql server express will be a …

Hello, I have a problem using Qt 4.8.4 on VS2012. I manage to compile the code but when I run it, it says: Qt: Could not initialize OLE <error 80010106> on the console but since it has reached the end of the program where it says 'press any key to …

how to write the code for show the data from the server using vb.net

I only see tutorials for installing the Cosmos OS kit with visual studio 2010. I have visual studio 2012 express and would very much like to start writing my experimental OS with Cosmos Os kit. Is there a way or do i have to download visual studio 2010?

Hello there, I face this error message when I try to save a new record in Table: viruses_analysis, I would like to use the same way in the code below, but where is the error? please be informed that I used the same way in other applications and worked very …

Hi, i am trying to write a program in java where i would concatenate a CREATE TABLE statement with my values from the first row of excel file and hold the fields name to create the SQLStatement. To be more specific i would like to create a table to store …

ok so i have set commands which i normally use with cmd.exe but i need to create gui so its easier based off clicking a button and it would process the entire command for me but still have selection with VB if anyone could show me the the conversion of …

Hello Guys, am actually working on a website... I want a login on the top left corner...*login*..then when the user click on this ..a modal form would appear asking them for their user-name & password.. I have a already do the login form *controller* ?php function index() { $data['main_content'] ='login_form'; …

I've a problem to my linkedlist at line 10. Can anyone help me to solve it? Thank in advance.  This is my code : package linkedlist; import java.io.FileReader; import java.io.IOException; import java.util.Scanner; public class LinkedList { private String firstName; private String lastName; private static LinkedList<LinkedList> classRoster = new …

Basically i have literally just started learning Java Script and i was seeking some help as to how i could repeatedly display the character "X" any given number of times using a function. Here is what i have so far: function makex(8) { var resultStr = ""; for (var xcount …

Hi every body, I am trying to parse an xml file with sax parser in java and then fulfill a Jtable with the XML elements. The parsing is well done, the Jtable is created but the problem is that all the elements are placed in the same row and the …

I just needed some assistance on formatting the output into a specific fashion. I satisfied all the requirements of the assignment, except the output. I apologize for the bad format of this post, any suggestions and help is greatly appreciated. I need the output to look like: Mr. Random - …

Hi there, My issue: I have a datagridview and a DB file with ~100 columns and ~200 rows of data. This data is imported to the DGV onLoad(). Once i have the data i run a script that searchs a predefined(by the user) folder for text files. Each text file …

Hi all, Is it possible to select multiple records (rows) in "DataGrid" and then delete all selected items? Because I can't find any properties to enable for multiple selection. Whenever I try to delete a record, system always prompt the run time error. Private Sub Command4_Click() Dim count As Integer …