Software Development Forum

Hi, I an reading a txt file line by line and putting it in to a Queue<string> q = new Queue<string>(); when i execute the program I get a Argument Exception 'Source array was not long enough. Check srcIndex and length, and the array's lower bounds.' how do i handle …

If a child process encounters exit(0) statement, where is this exit status returned in the parent process? Is there any variable associated with every process that holds this information? If not, how do children and parent processes communicate?

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#include<stdio.h> #define MOD 100000009 #define REP(i, n) for(i = 0; i < n; ++i) void mul(int a[2][2],int b[2][2]) { int i,j,k; int c[2][2]; for(i=0;i<2;i++) { for(j=0;j<2;j++) { c[i][j]=0; for(k=0;k<2;k++) { c[i][j]+=(a[i][k]*b[k][j]); } } } // matrix multiply i=0;j=0; REP(i,2) REP(j,2) b[i][j]=c[i][j]; // copying the value in back to b[][] return; …

I got the insert and Delete Data/Row working for my DBMS. The deleteRow method finds the row that contains the same primary key from the database, passed on to the method, and deletes the row. With using the insertRow method, the data I added shows on up on the last …

hi, for program to be concurrent i created 4 threads as below Thread th1 = new Thread(a1.run); Thread th2 = new Thread(b1.run); Thread th3 = new Thread(c1.run); Thread th4 = new Thread(d1.run ); th1.Start(); th2.Start(); th3.Start(); th4.Start(); how do i know when the threads are finised done with the work, …

Whats wrong with this, doesnt make sense that it wont create the folder or files. If PathRead() = 0 Then MsgBox("Error Reading Path Info: One or more Paths do not exist.", MsgBoxStyle.Critical, "Path Read Error") MsgBox("Would you like to create these files?", MsgBoxStyle.YesNo, "Create?") If MsgBoxResult.Yes Then MkDir("/Paths/") System.IO.File.Create("/Paths/aPath.txt") System.IO.File.Create("/Paths/mPath.txt") …

Hello guyz. anyone here have a reference for Gaussina Jordan Elimination. ? for 2x3 and 3x3 ? need help

where is union required? please explain with an example where having union is a better choice than any data structure.

Okay I am SO new to C++ and I'm trying to write a code where the user can input the file name to read from. I have looked at a million forums but it doesn't seem to work for me. The program compiles but it is not getting the correct …

Need help with this and my professor is teaching way too fast. You are going to convert feet and inches or pounds in this program. You will give the user the choice of converting feet and inches to centimeters *OR* pounds to kilograms. With the correct answer you will also …

Hello, can someone please help me. Ive got 2 textboxes. I want the text i typed in one textbox and show it in another. Now ive used the code textbox2.text = textbox1.text, but everytime i add text and then add more later it deletes all the text i typed earlier. …

i am writing this code for a school poject it gives mee segmentation fault .please help it scans iput of the form #include<stdio.h> #include<stdlib.h> struct time{ int hh,mm; }; struct date{ int day,month,year; }; struct student{ char firstname[20]; char lastname[20]; struct time entry; struct time leavetime; struct date dt; int …

hello everyone, Ive been trying to alter strings and i am having a very difficult time altering the vlaue after i split them. i understand what i am doing when i split the input(String[] word = phrase.split(" ");), thanks to this site.. and how i am then able to alter …

I'm attempting to use the ObjectOutput/InputStream to write data to a file; I'm fairly certain I've got the out portion but coming back in isnt working as it should, thoughts? public static void writePersistant(ArrayList<PersistantObject> persistantRecords) { try { ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream("dataout/population-record.ser")); for (PersistantObject i : persistantRecords) { …

# code to convert any base input to any base output (base limited upto hexadecimal) # ## scanf() works , but gets() stops working from 2nd iteration ## *i apolozise beforehand for the length of this post, i hope there will be someone who'll bear with me :(* **here is …

Please tell me where it goes wrong as the following C++ code gives the error message: **addem.cpp:5: error: too few arguments to function int addem(int, int)** `#include <iostream> using namespace std; int addem(int, int); int main() { int x=5; int y=2; int z; z = addem(x+y); cout << "The value …

//Ok so here's my plan so far please check if i'm on the right track guys! thanks! #include<iostream.h> #include<cstring.h> #include<conio.h> struct BuyerInfo { int id; string fn; string mn; string ln; string ad; };BuyerInfo info; void menu() { cout<< "\n================================================================================"; cout<< "\t\t\n WELCOME BUYER!Please fill in the following\n"; cout<< "\n================================================================================"; …

Hi daniweb, i'm a newbie in programming using vb.net. our project needs a sales and inventory system. we have the company. i dont know how to make a sales and inventory system coz im am confused in the normalization. please help me. more power!

#!/usr/bin/perl -w use Win32::OLE qw(in with); use Win32::OLE::Const 'Microsoft Excel'; $Win32::OLE::Warn = 3; # die on errors... # get already active Excel application or open new my $Excel = Win32::OLE->GetActiveObject('Excel.Application') || Win32::OLE->new('Excel.Application', 'Quit'); # get a new workbook $book = $ex->Workbooks->Open('C:\Users\Andrew Babitt\Documents\ProductClonesTest.xls'); $Obook = $ex->Workbooks->Open('C:\Users\Andrew Babitt\Documents\NSS\extract_Products.xls'); my $billschedule = $Obook->clumn(B)->{value}; …

I am trying to make a calculator in C++ but I keep running into errors. Please help me. Here is the code: #include <iostream> #include <cmath> #include <string> using namespace std; int main() { //what the variables are double calculation; double sign; double number1; double number2; //the questions cout<<"Enter a …

So my program uses the list template as the towers and the values in them are disks. I used the push and pop methods with loops to display changing values due to user input. > Rules of the game: > 1. All disks are stacked into an initial tower. > …

so i have 4 list of words. what i want to do is for each list go through it and count the number of occurance the word has in the list and print the first 10. when it comes to saving the word and the number of occurance, how do …

Hi guys. I have a problem.. i am trying to transfer files from one computer to an other(yes i did port forwarding)..the thing is that if i use 1024-1(buffer) and 1024-1(buffer) in both programs it will NOT transfer any file..it will just create a file with 0kb. size.. So if …

I ran into another problem using if looping. What I want to do, in plain english, is if a variable is one thing (it will be Quit in this case), exit the program. Otherwise, I want it to ask for any other inputs and execute the program. My code: using …

#include<stdio.h> int main() { char a[60][60],b[60][60],i=0,n1,m1,n2,m2; int x,y; int j=0; char c; int p=-1,q=-1,f=-1,g=-1; scanf("%d%d",&n1,&m1); for(i=1;i<=n1;i++) scanf(" %s",a[i]); scanf("%d%d",&n2,&m2); for(i=1;i<=n2;i++) scanf(" %s",b[i]); for(i=1;i<=n1;i++) { for(j=1;j<=m1;j++) { if(a[i][j]=='1') { p=i; q=j; break; } } if(p>0 || q>0) break; } for(i=1;i<=n2;i++) { for(j=1;j<=m2;j++) { if(b[i][j]=='1') { f=i; g=j; break; } } if(g!=-1 …

Hi Guys.. I've found a little tutorial which seems to show exactly what I have been trying to do which seems to work upto a certian extent. The code I am using is the following: **Code:** using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; …

college academic controlling all departments i want new ideas to this project in java.

I am trying to create a simple AI (for four in a line). I have looked online and found a few complicated AI's but they were to complex for me. I am trying to use recursion and maxDepth to create an AI to play two moves ahead. public class AIMove …

Hello, main.cpp #include <iostream> #include <string> #include <sstream> #include <cstdlib> #include "Triangle.h" using namespace std; int main() { Triangle myTriangle; int side1; double side2; double side3; string input; char ch; do { cout << "Triangle ADT Program" << endl; cout << "Enter the side lengths :" << endl; cout << …

So i have a class that takes 2 generics types: public class Something<K,V>.... In another class, i'm trying to create an array of Something objects. how do i do this? i'm getting an error with this: Something <K,V>[] s = (K,V[]) new Object[size];

Hello, I would like to retieve data into my combobox. I have done this so far but when I click on the button it's not giving me anything: public void displayItem(int data1) { String sql = ("select * from Students limit ?,1"); try { st = (PreparedStatement) con.prepareStatement(sql); st.setInt(1, data1); …

I do not understand were I went wrong. 1st is this line: (it is saying that this (;) Error: excepted an expression) 2nd is this line: cout<<"\nRadius is " << radius << set(8)<< "PI is" <<PI; something is wrong with the second (<<) // Program illustrating the use if #defines …

for example i have 4 columns in the listview namely name,age,year and grade. the problem is this, how can i display an error message when i click the row when the grade = "fail" . help me please thank you :)

Hi. I am currently in a position where I am having to learn Perl in the context of developing a website using Embperl. I am at a point where I have a few subroutines that I would like to try off-loading to a separate file and then including that file …

Hi guys, I am trying to write a code to read from a .dat file and then store its contents in an array of word format so that it can be used in a another funciton. But have no clue how to go about it can cany one help. The …

I have a 4 columns in the listview the name , age, position, and Attendance. The attendance in a specific row in the listview is "OUT". how i display a message that this row can't be selected because the Attendance in the row is "OUT" thank you . Sorry for …

Im in a programing class and my teacher had a heart attack and is away, the supply knows nothing. The project is to create a program using a swtich structure to calculate the weight on a specific planet. I have no i idea if i am doing this right. Can …

**Hello everybody!** I made a program which is able to calculate your age. You can find the source code below this text. There is already posted an article like this on http://www.daniweb.com/software-development/cpp/code/331349/c-code-for-simple-age-calculator But, my program is: **- Without mistakes**, it doesn't give your computer wrong instructions. **- More accurate**, because …

Hello, just wondering if there is another event i can use for when you are done writing to the textbox the normal textchanged event goes in play everytime you change a letter. i need the event to go in play when im done writing and for example start writing in …

I need to update my Microsoft Access database 2003 from my server automatically. but i don't have any idea how to do it. Please help i really need this for my thesis. Thanks!

Hello I want to array with key and valu in vb.net as like in php [code] $array['name']="xyz"; $array['surname']="abc"; [/code] so is this possible ? please any suggestion. Thanks in advance

I wasn't quite sure where to post this so I thought considering SSRS in VS 2005 produces XML scripts i thought this would be the best forum. I have a table grouping which produces a number of tables using the same section of xml code. Due to this the problem …

i tried to create a dll using c# and now i have something like this I have 5 files Extension.cs, Encryption.cs, MySQLQuery.cs, etc. and in my MySQLQuery file i have somthing like this using System; using System.Data; using System.Text; using MySql.Data.MySqlClient; namespace gLibrary { public class MySQLQuery { protected internal …

How to call Sql 2000 Stored Procedure from vb6 which take 2 input parameter

The New Wave Computer Company sells its product, the NW-PC for $675. In addition, they sell memory expansion cards for $69.95, disk drives for $198.50, and software for $34.98 each. Given the number of memory cards, disk drives, and software packages desired by a customer purchasing a NW-PC, print out …

This is the error i get.. Enter employee name: Bryan Enter employee's salary: 123 Enter employee name: Mark Enter employee's salary: 456 Enter employee name: Fajutag Enter employee's salary: 789 Enter employee name: qwe Enter employee's salary: 32 Enter employee name: qew Enter employee's salary: 312 Enter employee name: qew …

The program is this : Write a program which takes 10 integer numbers from user. Save all the positive numbers to one file, all the negative numbersto another file. So,the coding will be compare all integers with 0 and save according in two different files right? If I am right …

where i can download a visualbasic 6.0 and vb.net i NEED it foR my thesis. . i hoping for your reply. ..tnx

**PLEASE HELP ME, MY CODE IS FOR SEARCHING. YOU WILL FIN THE NAME IN THE COMBO BOX, THEN WHEN YOU PRESS SEARCH ALL THE DATA ABOUT THE TENANT WILL BE RETRIEVED. BUT MY PROBLEM IS, EVEN THOUGH THE TENANT IS IN THE LIST, THE CODE ALWAYS RETURN NOT FOUND. PLEASE …