Software Development Forum

Hello everyone! I am having a bit of an odd problem here. So, on my Visual Studio project, I decided to use a precompiled header. This didn't seem to cause a noticable problem up until today. I have a small segment of code that is supposed to remove one element …

Hello, I am trying to place data from a text file into an array and then sort it by date and finally display it in a text box. The part I am stuck on is sorting the data by date. As I do not want to confuse anyone trying to …

Hey everyone, I'm working on an assignment and I'm having some trouble figuring out how to implement two operators. The program creates and implements a class to represent the Stack ADT using a singly-linked list. There is a driver program to test my implementation. I have everything implemented (except the …

Hello to everyone, Im new to vb.net and right now I am developing a program that its like a agenda where the user sets the date and the time do be remembered of the task the he has to do. Im storing the tasks in a txt file. The part …

#include <stdio.h> #include <stdlib.h> #include<string.h> void main() { char name[30],mname[40]; printf("enter the num:"); gets(name); strcat(name,123); printf("%s",name); } is it possible to concatenate num and character its not working how to concatenate numbers and character

Hi there, I wanted to get the percentage of total vote per candidate but it always result to 0.00. Can anybody tell me what's wrong with my code? public static void main(String[] args) { //Array Declaration String[] candidate = {"Estrada J.", "Drilon F.", "Enrile J.", "Lacson"}; int[] voteEs = {5, …

Hi guys. So, I'm trying to read data from a database and displaying in a GtkTreeview. I used glade to design the GUI when i click on the button (view movies) the list of movies should display as a list. def on_btnmovies_clicked(self,widget,data=None): store=self.builder.get_object('listmovies') connect=sqlite.connect('movies.db') db=connect.cursor() db.execute("SELECT * FROM movie") for …

I need to start my VB.NET app through a batch file and pass an argument to it. The app uses the argument (a dated directory;Ex: 20120530) to process the data files there, output a CSV and a Log file and then close the app. The app does not need any …

#include <iostream> #include <cmath> #include <string> #include <cstdlib> #include <cstring> using namespace std; int main() { char chouseing_alphabet[27]={'a', 'b', 'c', '\0'}; string abc[27]; cout << "This program encrypts messages using Ceaser Cipher\n"; cout << "NOTE:capital letters are not allowed in this program\n"; cout << "\n---------------------------------------------------------"; cout << "\n---------------------------------------------------------"; cout << …

Lets say I have a class A and I also have classes B and C that inherit from class A class A { virtual void foo()=0; //stuff } class B : class A { void foo(); //more specific stuff } class C : class A { void foo(); //more specific …

hi guys :D! im trying to make specialized template for cstring, but it seems i stuck on it.. i tried to search how to make specialized template for cstring , but there wasnt any good explanation and im trying to figure this out my self here's my template header : …

#include <iostream> #include <vector> using namespace std; template< typename T > using matrix = vector< vector<T> > ; I saw this code snippet while searching for templates. I was wondering why there's a word "using". What is it for? Thanks :)

Hi guys, I wrote some code for finding the three longest words in a string. The code I wrote seem too complicated, is there a better way to appoarch this? public class Size { public String[] threeLongest(String word){ String[] three = new String[3]; String[] words = word.split(" "); three[0] = …

Hello, I basicaly not familiar with vb.net because I'm new to it but I need help for my assingment P.O.S System but I can't fin a way to deduct the amount that you want to remove from the list. I always have this eror and I don't know if the …

Hey, Im trying to extract numbers from a scanner, but im having problems extracting them all. Primarily i need it to * read a text file which contains some text and numbers. * go through the file and locate all numbers * differentiate between numbers contained in bracket (3), and …

<%@page contentType="text/html" pageEncoding="UTF-8"%> <!DOCTYPE html> <html> <script> function adddate() { date=new Date(); var month = date.getMonth()+1; var day = date.getDate(); var year = date.getFullYear(); if (document.getElementById('datetext').innertext =='') { document.getElementById('datetext').innertext = month + ' ' + day + ',' + year; } } </script> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>JSP Page</title> …

**I am facing some problem in updating ms access with parameters. I succeeded to insert the data in access with parameters. My code for inserting the data is:** Dim dbPath As String = "C:\Users\Abhishek\Documents\ToolDatabase.mdb" Dim connStr As String ="Provider=Microsoft.Jet.OLEDB.4.0;" _ & "Data Source=" & dbPath & ";Jet OLEDB:Database Password=agupt80;" Using …

Hi all, I dont why my code is not detecting the matching words. Firstly Im reading the words from a text file into an array. Plz help me to make this correct. This is my code. import java.util.*; import java.io.*; public class TestRegex{ public static void main(String[] arg) { String …

I don't really have an explanation and whoever thought that this new posting format was the way to go... idk what to say. I really don't like it. I can only post so much lines of code before something happens to the window and I can't scroll all the way …

im trying to write a program that will read a line of text from a file and then print that text into whereever the cursor is in the browser. like into the address bar or something. is the possible with python? how would i go about doing it. i know …

generally we can build a application in java and vb make it as a exe.but how do we build application using c or c++.even some operating systems like xp was written in c++.how is it possible????/

#include <iostream.h> void main() { int d; int i=0,n,j,b[100]; cout<<"\n Press 1 for Decimal to Binary converstion"; cout<<"\n press 2 for Decimal to Octal converstion "; cout<<"\n press 3 for Decimal to Hexadecimal converstion"; cout<<"\n\nEnter your choice: "; cin>>d; switch(d) { case 1: cout<<"\nEnter decimal number: "; cin>>n; while (n>0) …

hi. i have a panel in a form and a button. iwant to write a program that when i push the button,a circle be drawn in panel but problem is here. because the handler in button is eventArgs but the panel is paintEventArgs. can someone give me a suggestion for …

I'm not sure what I'm doing wrong. I get a warning when I compile and an error after my program runs. This is the warning I get: myList2.cpp: In function ‘int main()’: myList2.cpp:96: warning: deleting array ‘int score [6]’ And this is what shows after my program runs: a.out(7023) malloc: …

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 ??

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 …

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." …

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 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 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 …

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 …

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

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 + ", " + …

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 …

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

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, …

Hey guys, I created a Student class in a header file and it works just fine. The problem is I'm trying to store the Student objects into a map in main which made the compiler generate a "in file included from ..." error. I'm having trouble fixing this problem as …

Hey, iv been working on a fairly simple part of my program but it throws a null pointer exception. The error i recieve is : Exception in thread "main" java.lang.NullPointerException at FillStyle.<init>(FillStyle.java:12) at compiler.main(Builder.java:43 The code causing the error is : public FillStyle(int type) { if (type >= 0) { …

In C++ you have this: std::string = "Name"; You can also read file with it, unlike reading the contents into a char[] with a limited amount of memory. So whats is C equivalent of a C++ string?

hi i have my xml code below: [CODE]<?xml-stylesheet type="text/xsl" href="book.xsl" version="1.0"?> <books xmlns:xsd = "http://www.w3.org/2001/XMLSchema-instance" xsd:noNamespaceSchemaLocation = "book.xsd"> <book id="001"> <isbn>0465044050</isbn> <title>Birth of the Mind</title> <author> <firstname>Gary</firstname> <lastname>Marcus</lastname> </author> <publisher>Basic Books</publisher> <year>2004</year> <price>17.68</price> <picture>0465044050.gif</picture> <description>write your desc.</description> </book> </books> [/CODE] and here my xsl code: [CODE]<?xml version="1.0" encoding="ISO-8859-1"?> <xsl:stylesheet version="1.0" …

Hello, I have my database application containing all the customer information. The application is linked to my SQL using jdbc driver. I would like to know if it is possible to send email automatically every months(like a newsletter) with netbeans? If yes, how can I do it? Thank you.

I have been trying to setup swt in eclipse Juno, but it keeps on giving me errors. Here is the error list: Exception in thread "main" java.lang.UnsatisfiedLinkError: Could not load SWT library. Reasons: no swt-win32-4233 in java.library.path no swt-win32 in java.library.path Can't load library: C:\Users\DeoFamily\.swt\lib\win32\x86_64\swt-win32-4233.dll Can't load library: C:\Users\DeoFamily\.swt\lib\win32\x86_64\swt-win32.dll at …

I am getting this output: This is the source string╠This is a destination string╠╠╠╠╠╠╠╠╠╠╠╠╠╠5Press any k ey to continue . . . My code is: void Problem5(char strDestination [], char strSource []) { int intIndexOfStrSource = 0; int intConcatenatedStringIndex = 0; int intStringDestinationIndex = 0; int intLengthOfDestination = strlen(strDestination); int …

In the following code I need to modify it so that the btnSave control's click event procedure determines whether the user has entered the phone number in the required format: three digits, a hyphen, three digites, a hyphen, and four digits. If not a message should display saying the format …

Okay, my problem goes as follows. I've been writing a small program in python (an adventure game) which has hitherto run via the console. I'm now working on giving it a full interface, which is requiring a lot of changes to my rather simplistic/archaic structure and generally making things something …

I've been working on Tkinter, and setting a message box. It worked fine, but I didn't really like the fact that the text displayed was in a small position in the window. Take a look at this code and you'll know what I mean. def About(self): text = Message(self, text=''' …