Software Development Forum

So, the question is, if I have a table on a SQL server with 20 columns, and I need to retrieve just 4 columns for a form, and I am using stored procedures to do most of my queries, should I create a stored procedure to retrieve just the 4 …

i am working in Dijkstra code.which i want to get the vertexes from user by using Array list.but there is a problem in computepath method i can't solve it. [CODE] public static void main(String[] args) { Scanner input = new Scanner(System.in); System.out.println("insert the number of Vertexes:"); int nv=input.nextInt();//nv = number …

Hey guys, Recently I started learning win32 api using C but I am pretty scared of the Long and confusing Variables used in it. It appears alot difficult for me to learn those as I am learning myself. Will such kinds of variables will appear in future or not. Thanks. …

Hi all, I am trying to make the script to sort the data at the max to min at the decided position. [CODE] in put : 10 0 20 0 24 0 26 0 34 0 39 0 49 0 55 0 56 0 65 0 65 0[/CODE] [CODE]I hope …

Hi. I have the below code that update a 'dirpath' and 'cobdate'(calendar) field from a website. When I look at the results from my python script. I can see the correct 'dirpath'. The date value selected is correct(as 2012-01-16) but when it posts or submit, the date comes up incorrectly(20120116) …

Hello all, Long time reader, first time poster here. I've been a web programmer for some time now but really never got into any scripting languages, I guess you could say I was just a web designer. Either way I want to write a little web server in Python to …

please give proper solution...

Hi, I want to search a managed list, List<String^>^ list, for a variable substring (i.e. the substring changes it's contents every time it is looped). The list is populated by a Unicode (UTF-16LE) text file. The substring to be searched for is basically an ID for the Strings that occurs …

How can i get selected text in web page and put it on textbox? This is the text that i want to copy. [URL="http://i1059.photobucket.com/albums/t432/doomhades666/1-1.png"]http://i1059.photobucket.com/albums/t432/doomhades666/1-1.png[/URL] This the page source of the web page [CODE]<div class="output"> <h1 class="titlebar">Calculator Output</h1> <div style="padding: 1.2ex;"> <pre>Simplifying -2x + 3y = 8 Solving -2x + 3y …

I am stuck, I know how binary tree works, but I don't have any clue how to add data recursively in a binary tree. The user needs to enter a formula with logical operators. If the user presses to a button e.g NOT(unary operator), then it should display at follow …

In building an application, I can make the project on one computer, but I can't on my other one. The thing that is holding me up is: [ICODE]#include <cppconn/resultset.h>[/ICODE]. I've searched but I can't find the package I need to install to get this library on my computer. I'm running …

Hi Gentles! My Self Raj, I am a new user of this site, i wants to create an application (with concept of Ecryption & Decryption) for transfer image with hiding (media file eg.mp3) Any one can help me how can do it, and how much possibilities combine hided media with …

hey guys, i am trying to create an app that would review text file that is on the server, how would i go around in doing that? i believe i need to login to the server for example root@123.123.123.123 and eneter the password, later i need to navigate the file …

Hi! I'm new to assembly coding and I have an assignment in Intel/AMD where I'm supposed to code a file that consists of different subroutines and another file that produces the code to take care of. But first, as a start, I think I have to start with small pieces …

I am trying to make a program that couts characters in alternating colors. [CODE]#include <iostream.h> #include <windows.h> #include <dos.h> #include "Random.h" void main() { randomize(); HANDLE hcon = GetStdHandle(STD_OUTPUT_HANDLE); int basecolor1=random(256), basecolor2=random(256); char board[4][4]; int x, y, k; for(x=0; x<4; x++) { for(y=0; y<4; y++) { k=(x%2); k+=(y%2); k=k%2; if(k==1) …

Hi all, Please see attached for my query. Hope someone can help me. Thanks in advance. -renzlo

[B]Hiding .exe file inside JPEG using python3[/B] Hi I would like to hide calc.exe inside the jpg and when I click to my JPEG I would like the calc.exe will execute. My python script do this 1.hide calc.exe file inside jpeg. 2.run calc.exe when I open my jpeg. [B]I will …

What is the difference between "[CODE]return[/CODE]" and "[CODE]messageBox.Show("whatever")[/CODE]"? Also explain(efforts will be appreciated): What does [CODE]retern[/CODE] do?

I've got to explain this to my ten year old son, so please explain this in an easy way. (If you can, each and every thing about [ICODE]this()[/ICODE].) Thanks in advance.

I have been trying to understand these methods so hard but have failed so far. Please, if you can, give me a example with the explanation. Thanks for your time. Following methods of StreamWriter class: 1)Read(); 2)Peek();

Can you help me with this problem I have a class and I need to create separate class justo fro reste button, but I am not sure how to do this? Here is what I have done [CODE] import javax.swing.*; import java.awt.*; import java.awt.event.*; public class MyEventC extends JFrame implements …

Greetings. In my Console Application, I have a process that connects to a Access Database File. After closing the connection I copy the file to another folder, and delete the original. Lately this is failing a lot. For some reason the File is still being used, even if the connection …

Hi , I developed an application which checks mail(gmail) all the time and alerts me whenever new mail has come. In short its a email notifier or email alerter. The application uses IMAP protocol .The application opens the connection once and it continously checks whether a new mail has come. …

Hi there I have written the following code to read some data from a file and bin the data into bins of equal size so I can plot this data easily. [CODE]#include <stdio.h> #define N_HITS 1800 #define N_TIME_BINS 78 int main() { int i, time_bins[N_TIME_BINS],j; double event; double hit[N_HITS],value; FILE …

I have two combobox in a form: Cb1 and Cb2 When I load the form, Cb1 and Cb2 are connected to a bindingsource. When I change Cb1, the code (below) changes Cb2 to show only the items according to Cb1 This is working fine. The problem is when I change …

[CODE] #include <stdio.h> #include <stdlib.h> #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> int main( void ) { int fd,nob; char str[1024]; fd = open("test.txt",O_RDWR|O_CREAT,S_IRWXU); if (fd < 0) { perror("open:"); exit(0); } nob = write(fd,"hello first",1024); close(fd); printf(" %d nob written",nob); fd = open("test.txt",O_RDWR); nob = read(fd,str,1024); close(fd); printf(" %d nob …

Hi guys, I have a project that reads a json data and parse it. The program is working properly except that I cannot get its individual rows and view it in separate panels. Here is my code: [CODE] Imports System.Net.Json Public Class Form2 Private Sub Button1_Click(ByVal sender As System.Object, ByVal …

Why should a person learn win32 api? What things I can do when i have learnt it? Some people tell "There is no need to learn win32 api because literaly you will only design Window(box, messagebox etc), which you can easily do by MS Visual studio tools!". Is this true? …

hiya i stuck on this can anyone help please Result1 = (Val1*Val2)/Val3; Result2 = (Val1+Val2)-Val3; write a sperate method to print the result of the above calculation and then write a main app class to create an operator object set it up with some test data to calculate the values …

"Inheritance increases the functionality of a base class by adding additional features to its derived class." This is a direct statement from my text book's true/false question section. This is given as false and I know this is false but still I don't understand fully why. Any explanations would be …

I REALLY need help. ThIs program works - except I have one fatal error that I can't seem to figure out how to fix. The players can play where other players have already played. I tried to use the switch statement at the bottom in method checkMove where if result …

Hello, I created a C# project using Teletik Winforms trial, the project contains about 30 forms and 10 reports using Telrik reporting trial. I decided to uninstall Telerik and go back to basic visual studio components and styles. Can i convert my project from telerik components and references to Visual …

Please explain all these four pages- Open the images in paint. Only then will you be able to view it. Thanks in advance.

I have a form with a recordset which is filtered on some controls on the form. In the code behind page I want to loop through the records as filtered on the form. I can set up another SqlDataSource and refilter it on the same controls, but I'm wondering if …

Hi All, I have many DateTimePicker (DTP) in a windows form (Say atleast 15 DTP) I need to do following things in the form 1)A Dataset is field with values from database (MS SQL) which contains the DateTime data and now i want to assign it to DTP and Doing …

Hi, I am trying to develop a autocad like software in C/C++. Can any one suggest me how to start it with ? Subrata

hello :) tell me The name of Best C# tutorials book available online.........

How can i Check a static method result using If else statement? for eg: IsPostponed is a static method and it returns a bool value. because of a static method we can call the method without an object. then how can i check it?

Hello all , I just need to create a folder in an other machine using ssh or samba ; for example i execute : [CODE]os.mkdir( rachid@rachid:/home/rachid/Bureau/new, 0777 ); [/CODE] but It shows the next error : [QUOTE]OSError: [Errno 2] No such file or directory: 'rachid@rachid:/home/rachid/Bureau/new'[/QUOTE] Thank you for answering .

I want to retrieve information from the registry key HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\27F43CBD97D1DB04CA142624E98D6717\features But the values of this registry key are encrypted.. any one know how to decrypt them? example : value = F_FTP_COMMON value data = ZC]++I3{!@.!lfp,?=DHHvyyfa8fj@(6d@fnEE32eWl_`4R(h@AZId-+a?DW

Hello [CODE]using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace ConsoleApplication1 { class WholeNumbersFor { private int numOfInPut; private int sum; public void start(); WriteProgramInfo(); ReadInPut(); SumNumbers(); ShowResults(); } private void ReadInPut() { Console.Write ("Number of Values to sum?"); NumOfInPut = int.Parse(console.Readkey()); console.Writeline(); } private void WriteProgramInfo() { console.Writeline("\n\n ++++++ …

I display the progress bar for downloading attachments and it works fine … but when I am downloading some attachments I get the exception message: [QUOTE] Exception in thread "main" com.sun.mail.util.DecodingException: BASE64Decoder: Error in encoded stream: needed 4 valid base64 characters but only got 1 before EOF, the 10 most …

I have loaded some images in a listview using imagelist in c#. Now I want to copy any image and replace into another image in the same listview using drag and drop. How could I do this? sample code would be helpful. Thanks in advance.

Hello, I have created project in c# and i want to use connection string stored in app.config file in all my form. I have wrote that connectionManager code but it gives different output (not proper output) and sometimes it gives exception what to do?

How can i update my Jpanel with the labels from another class in certain intervals?

Can someone tell me what's wrong here: [CODE] Dim sql As String = "SELECT * FROM courses" Dim con As New MySqlConnection Dim dt As New DataTable(sql) Dim cmd As New MySqlCommand(sql, con) con.Open() ComboBox1.Items.Add(dt)[/CODE] It doesn't show the courses.

hi, how to call a button click event programmatically in web application C#. Thanks, Sindhuja.K

I am trying to convert a 2d image to 3d one in python. please introduse me some good source or if there is an open source program. Thanks alot.

[CODE]using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace ConsoleApplication1 { class While { private double sum; public void Star() { WriteProgramInfo(); ReadInPutAndSumNumbers(); ShowResults(); } private void ReadInPutAndSumNumbers() { double num = 0.0; bool done = false; while (!done) { { } } } private void WriteProgramInfo() { Console.WriteLine("\n\n ++++++ …

I want to delete the strings file1 and file2 after its merged to a single pdf merge12. Please suggest your valuable ideas.. Thanks in advance package com; import java.io.FileOutputStream; import java.util.ArrayList; import com.itextpdf.text.Document; import com.itextpdf.text.pdf.PdfCopy; import com.itextpdf.text.pdf.PdfImportedPage; import com.itextpdf.text.pdf.PdfReader; /* * author * @282532 */ public class PdfMerger { public …