Software Development Forum

I need to know if there is any diferences when i create an application that connected with sqlserver for 1 pc or for a local network ?? anyone can help ??

I don't know if this is the right place for a post about Scheme, but i was wondering if anyone knew if there are loops and if statements in Scheme? (I am very new to Scheme, i know there are 'cond' statements, but i don't know if there are if's, …

//Hi, //I want to make an application that sends email; the email need to be taken from an oracle database, I had make the email code and it is working succseeful and also I made the coonection to the database in the next class which is also working successfully, but …

Hi all, i need a little help for haskell. i try to make a program which makes the romans numbers in a good form, so for example if u put in [I,I,I,I] it change it to [I,V] but something always wrong with the patterns :( what did i wrong? data …

Hi, I am trying to read a value which is in a class (in a public void) in anothe class and I couldn't do that, so please can someone reply me and tell me how to do that using these code. public class CDB { public static String main(String[] args) …

how to multiply two integers when one of the integers is user-input ?

Hi, I'm a beginner at python and I'm trying to extract specific columns from a text file, and then use those columns to make a line plot. The files contains the following few lines of data: # Raw SIFs at Crack Propagation Step: 0 # Vertex, X, Y, Z, K_I, …

i having the string array,, String[] strrr=null; String[] aa ; aa=strrr[3].split("\\!"); if i debug this it shows source not found but i want to return from the string if the strrr[3] value having null or 0 ,how to do it,, use above three line of code to check it,exactly what …

Hey Guys, Got a question on storing a value from protcted method to a public variable then using that public variable(with value from protcted method) in another protcted method.. My explaination, so I'll show my code. I'm new to coding so pls be easy on me.. You help is appreciate …

why arr[-2] gives value?

I'm fairly new to visual basic. I was trying to make a program that generates code for you, based on whatever the user inputs. But whenever I click generate, I get this error "Invalid CastException was unhandled. Conversion from string "//Generated using MAYAN. Minecr" to type 'Double' is not valid." …

I kinda want to code in binary just for the fun of it. But I have no idea how to compile my code. Anyone know how?

I am currently working on an app to convert documents (specifically Open Document Text, at least for now) to epub format. The problem I'm running into right now is this, I am using etree ElementTree to parse the xml files extracted from the .odt file, right now I'm working on …

Hi guys, I have a apps that I need your input inorder to improve efficiency, the apps can read a text file (A) and also another text file (B) then spit lines in both files, it can further compare to see if there is any common line using a unique …

Hello All, This may be the wrong place for this and if so I apologize in advance. I have been tasked with organizing a drive full of marketing assets on a mac server. It is currently in use so we have made a duplicate share so that any changes will …

HI. I have a situation where we need to pull data from multiple data sources into one dataset. Once we have the data in one dataset we would like to somehow manage to execute some sort of [complex] select query on the data in order to generate a new DataTable …

The difference between using refrences(&var), and pointers(*var) is that using refrences is more efficent because you do not have to derefernce the object. Am I right, and if I am why use pointers then? Take this code for example: #include<iostream> //function prototype void rFunc(int &rNum); void pFunc(int *rNum); //main method …

I've hook a game that uses OpenGL and I'm trying to draw text on the window but when drawn, it has a background that I do not want. Currently i'm using: void glPrint(HDC DC, COLORREF Colour, int X, int Y, const char* format, ...) { if (format == NULL) return; …

Ok, i'm trying to create vertex normals for each vertex. I'm fairly sure i've got the math right, I'm just having trouble finding out to which faces a point belongs... The points are store in: `vector <texTri> texvert` texTri contains, x, y, z, nx, ny, nz, u, v; I identify …

I've been writing a project in C# using VS2010 .Net 4.0 on my project and am trying to do NUnit testing (version 2.6) which I haven't done before. I added the nunit.framework reference to my project and created a test class: using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace …

I thought that setting up the PATH variable was a must if we wanted to use java or javac commands on linux (preferably in the bashrc file), but I am able to use these commands anywhere without setting up the PATH variable.. Similarly, without specifying '.' in the CLASSPATH variable …

I'm writing a program that searches for particular sequences of bytes in a USB stick. The problem is that I don't know how to search effectively. ReadFile() allows me to buffer 512 bytes each time. If my sequence is fully present in that block, then there is no problem. But …

I am writing a program with java and i am having trouble displaying my .txt in my JTextArea. it shows it as 1 appended line and i want it to display the way it is set out in my text file. Here is my code: import java.awt.*; import java.awt.event.*; import …

#include <iostream> #include<string> using namespace std; int main() { string admin_pwd="testing"; string encrypted ; string unencrypted; char key[5] = "abcd"; for (int x=0; x < admin_pwd.size(); x++){ encrypted += admin_pwd[x] ^ key[x/100%30]; } cout << "Encrypted = " << encrypted<<endl; for (int x = 0; x < admin_pwd.size(); x++){ unencrypted …

How do you make Python delete a string or a number (in this case, .0) from a file? Example: #Error Fixing if '.0' in open('ship.$','r'): #Delete the '.0'

Hi, I have taken checkboxes in datagridview....i want to insert the values of field checked into the databse......anybody can help??????????

How to get the correct and current date and time in vb.net even a user change the computer's system clock? Let's say the correct and current date and time is 7/20/2012 11:00 AM then I change the clock to 7/19/2012 11:00 AM. How to retrieve the original date(7/20/2012) in vb.net? …

Im pretty new to coding in C++ and Im a student at devry unversity. I have to sort this class by credit hours in ascending order and Im having some trouble. If anyone could help it would be greatly appreciated. #include <iostream> #include <string> #include <vector> #include <algorithm> using namespace …

So... I'm looking into learning Assembly. I downloaded the FASM assembler and I want to know how useful is assembly? I want the opinion from Cpp programmers because assembly programmers always tell me it's the best language -__- Also quick question: How do I know which register to put stuff …

Hi all, This *is* a Java question, despite the set up looking long! I am writing a program that involves constructing and using the inverse of a large correlation matrix many times. Suppose you have a data matrix X with d columns representing d variables and n rows representing the …

Here is the code for extract RGb values from a single image.... and now i need to read set of images from a folder , can anyone pls give me idea for that since im very new to java ,,thanks in advance :) [code] import java.io.*; import java.awt.*; import javax.imageio.ImageIO; …

am new in java and am rtying to code a program for lotto punters which generate as many numbers of 6 as the user request

I am trying to write a python script to open file, read each line, and replace the 18th position of each line with a a user specified character (sysargv[3]) IF AND ONLY IF that 18th position is another user specified character (sysargv[2]). It should then save it as a file …

Alright please bear with me for few posts, I am trying to design a scoreboard application using HTML. The data for scoreboard (including headings and rows and columns) are stored on a server at a remote location. I am trying to develop an ASP.NET script to fetch that XML and …

Hi, i get an NullPointerException in this line:if (let==currentLink.aLetter) in search method. This is node class public class Letter { char aLetter; int points; Letter next; public Letter(char aLetter,int points) { this.aLetter=aLetter; this.points=points; } public Letter() { } public String printLink() { // System.out.print("{" + aLetter + ", " + …

Hi guys, i m new for ths java progrmming.Please me the diff between array and arraylist. Both are dynamically allocated values.any added mechansims in the arraylist. Please let me asap. Regards, Pradeep

I'm doing a project that require the user to type in the phonetic sounds for example, "th". then the program will play a wave file that produce th sounds. As there are many different wave files for a phonetic sounds, i decided to group them into separate files, which means …

Hello. I would like to ask about adding two-digit numbers. There is a part there where it has to be converted to ascii code, my question is why it has to be converted to ascii code? What will its effect? Thank you for your help. I really need this problem …

Hi guys, I have save file in rtf from Richtextbox (okay it saves). But when i open this file manually it's asking me to save changes but i am not changed or edit anything. why this happens ? Is SaveFile() doesn't save file properly.

Hi :) i'm kind of new to this site and everytime I read a thread someone else makes i don't understand what anyone is saying.... :sad: well anyways, please help me python pros. I have been on my very first exercise of "Learn Pyhton the Hard Way" since two weeks …

There are many ways to read properties file in java. Here explained two wayS, using 1. ResourceBundle 2. Properties Class How to use this tutorial 1. Create one directory src and put both below files (MyProp.properties and ReadPropFile.java) 2. MyProp.properties name = Binod Kumar Suman roll = 110 city = …

Hello, I found a PERL script in my root directory (public_html) and I have no idea who uploaded it and how. I know this itself is a concern to me but what I really need to know is what this script can do in worst case scenario. It was on …

Hello, I was seeking help in why my small program/script is not performing the way I would like. Here is the question. Write a program to calculate the credit card balance after one year if a person only pays the minimum monthly payment required by the credit card company each …

I had been wanting to write an IRC bot with asynchronous IO for a while. My bot responds to pings, but can be extended by defining functions and registering them to get called when the bot receives certain commands. My bot uses the RFC 1459 USER command and parameters, but …

what is determinanat of matrix i have a code i dont understand what is the logic behind

First I am new to C#. I attempting to build a simple windows form where you can send textbox info to an access database on the machine. When viewing online tutorials and book, I notice their is a step, form missing from my Visual Studio 2010 program when I try …

I am usiing the code below to calculate the sum of rows in my datatable with the productcode in the textbox but if the code is not in the datatable I get the error "conversion from dbnull to sting is not valid". How can i trap this error in this …

My goal is to create a clone of minesweeper. I've created a custon component that extends the JButton class, for each of the minesweeper buttons. I've called this new class SweeperButton. the game board is going to be made in another class by creating a two deminsional array of SweeperButtons, …

As in C++ was some question about speed of simple hard disk based lookup, here is a version of unscramble program completely HD based lookup, which gives all possible candidate words for multiword anagram. Program is not sensitive for case of words but does not ignore special characters like ' …

This is a script that was supposed to be very basic, just running a command with my scripts arguments attached. I didn't realize that if user 'cj' opens firefox, when user 'root' does '**firefox -new-tab**' it doesn't work. Firefox will just open a new window, and thats exactly what I …