Software Development Forum

I realize this is a pretty simple operation, however im totally lost, and no post I could find seem to touch on the exact same subject as mine. I have a text file, where each line is formatted like so: [CODE]float1,float2,float3,float4,float5,float6[/CODE] Each float is separated by a comma. The number …

What is the difference between an abstract class and an interface?give me an example?

This is my first time to use the string function. And I met some errors while doing the practice. We now need to input some words, until we input a word with 4 letters. Then the program will show the smallest and the biggest word among our inputs. e.g. Enter …

I am using the free alternative to SPY ++ known as Winspector, and was suggested to start using this to get more familiar with windows and handles and process handles etc... My question here is I notice when I put the crosshair over certain windows I get WINDOWS and a …

Hay im trying to find the average of the columns. but i can onli get the average of the rows. my code is like so . . [CODE] for (int l = 0; l < list1.Count; l++) { float sum = 0.0F; float average = 0.0F; string[] list1Values = list1[l].Split(','); …

1. In a bank fixed deposit rates are given below. Period Rate 6 months 8% 12 months 10% 24 months 12% a. Design Suitable user interface in windows application in VB.NET to calculate interest at maturity. Use Radio buttons for period. b. Calculate interest at maturity. c. Calculate total amount …

Hi, i'm working with a sql (2005) database and using visual studio 2010. I've created a system where one of the forms is a find/search form. A user can enter in for example, a customerID and once they click on "find/search" the customerID will be searched in the database and …

I found a link to javadoc for JXSE 2.7 from [url]http://jxse.kenai.com/Tutorials/Tutorials.html[/url] which provides a link to javadoc on kenai.com but either the link is broken or the java doc is moved elsewhere. If anyone know working link to JXSE 2.6 or 2.7 please let me. Thanks

Hi there, I'd firstly like to thank some of the daniweb members for helping me with my Hangman project. It's finally complete and I have uploaded it on my YouTube. Special thanks to [B]ddanbe, Xcelled194, Mitja Bonca and Momerath[/B]. Right, on to my next project. I'm making a Naughts and …

How can I check that the user actually is inputting what I want them to? (For example letters or numbers); I need the user to input y or n, so here is how i tried to solve it: [CODE] char answer; do { system("cls"); cout <<"Want to play? <y/n>: "; …

Hello Folks, I currently have a problem with trying to assign values using an XPathNavigator object in InfoPath. What I am trying to do is to perform a simple copy and nothing appears to be working. I don't know if I am doing something wrong or the syntax is incorrect. …

Is it possible to set a object's value, and once that value is set not allow it to change? I could write a method to do it, but I wasn't sure if there was some sort of modifier I could use? I need to set a value once, and not …

NOTHING HAPPENS AFTER EXECUTING THIS CODE, BUT IT COMPILES AND RUNS SUCCESSFULLY [code]import java.io.IOException; public class Runx { public static void main(String args[]) { try { String x="cmd /c dir"; Process p=Runtime.getRuntime().exec(x); } catch(IOException e) { e.printStackTrace(); } } }[/code] Please help.......................

Hey; I'm trying to do a hang man game in Java. I newly learned some stuff about programming some GUI using Swing and AWT, but I'm not still clear with it. The problem is that all the drawing is done by a single function paintComponent() from the JPanel that I …

Hello... I'm learning C with "The C Programming Language" book, and I'm stuck at exercise 1-10 which asks to: "Write a program to copy its input to its output, replacing each tab by \t, each backspace by \b, and each backslash by \\. This makes tabs and backspaces visible in …

Even after looking at a lot of books, I am not able to understand the problem in the following code: [CODE] //1.c static int y=23; void abc(int a){ printf("%d\n",a); } [/CODE] [CODE] //2.c #include<stdio.h> #include "1.c" int main(){ abc(12); printf("\n"); printf("%d\n",y); return 0; } [/CODE] I can understand that the …

[code] class complex { int real; int imag; public: complex(){}//why default constructor is always needed complex(int a,int b){real = a;imag = b;}// why can't we define only this constructor ~complex(){} }; [/code]

I HAVE TWO LISTS AND I AM LOOKING TO SUM THE VALUES IN THEM. I HAVE TRIED SO MANY DIFFERENT WAYS. THIS IS WHAT I HAVE SO FAR: [CODE] for (int l = 1; l < list1.Count; l++) { string[] lineValues = list1[l].Split(','); float intValue = float.Parse(lineValues[l]); for (int k …

This is the full code and the single error!!!!! 1>d:\s\o.o\hws\new folder\shop\shop\main.cpp(37): fatal error C1075: end of file found before the left brace '{' at 'd:\s\o.o\hws\new folder\shop\shop\shop.h(8)' was matched [code] #include<iostream> #include<string> using namespace std; #ifndef SHOP_H #define SHOP_H class Shop{ friend ostream &operator<<(ostream &output,const Shop &S){ output<<"\nThe name of the …

I have a few orders with UPC codes, names , and prices this is an example UPC Item Price 0921115120 Dark chocolate 13.75 2222100051 Mint meltaways 14.10 What im suppose to do is allow to user to enter the products items sold and then view batch reports on how many …

hi, can any one tell me how to i print a page in c#.net. actually i need it to print receipt in my project. Help me. Thanx in advance

I have a simple program to run the Romberg algorithm however when I tried to compile it, it keeps returning that error: conflicting types for 'vector' and error: conflicting types for 'free_vector' I really cannot see why this is happening. Would you be able to advice? [CODE=c] #include <stdio.h> #include …

How i can pass Stream values in file?

Hey guys I need to store a single string into Memory for later use on different pages to be able to create a log file for my app. so on my 1st form(Login Form) i need to pass the Username to Memory and then read it from the memory later …

Seem tangle myself up with coding here and couldn't solve much of problem after many long try. I need your fresh set of eyes. Below is my errors. Thanx /* *Description: Writing own method, Switch Selection Control, String,Accumulating, *Counting method, array base on last reviews from previous labs. *prepare a …

In my simple Silverlight class assignment... the last method : [CODE] FontFamily verdanaFnt= new FontFamily("Verdana"); myRichTextBox.Selection.ApplyPropertyValue (Run.FontFamilyProperty,verdanaFnt) [/CODE] The problem is that it changes the FontFamily of the whole RTB including the non-selected parts. It behaves kinda like: [CODE] myRichTextBox.FontFamily=verdanaFnt; [/CODE] What i am I doing wrong?

[url]http://paste.pound-python.org/show/941/[/url] Having trouble getting a loop to write to a series of newly created sequential blank .wp files. Grateful for any help, thank you. Regards & a Happy New Year! Banjoplucker.

Hey I have a question about running an application that uses a .jar file. If I have a file outside called Tester.java that uses a jar file, let's call it myJar.jar, and let's say the classes are packaged as myPackage.myClasses. I imported all the classes I needed using [code] import …

Sorry if this is posted in the wrong section. But I came across this question on a test: Which of the following will evaluate to true only if boolean expressions A, B, and C are all false? (a) !A && !(B && !C) (b) !A || !B || !C (c) …

I've tried many time to solve this problem...but still not successful, I'm newbie..so anyone of guys can help me check this problem... [LIST] [*]Button "Back" is big as frame [*]Seems no TextField for NoOfTicket [/LIST] [CODE]import javax.swing.*; import java.awt.*; //import java.awt.event.*; public class ticketReservation extends JFrame { private JLabel jlbWelcome, …

i am trying to get the picture string from the database and when it is a null it gives me this error. [COLOR="Red"]Unable to cast object of type 'System.DBNull' to type 'System.String [/COLOR] [B]This is my code[/B][CODE]public List<Item> GetAllItemFromMenuID(List<int> ListOfItemIDs) { conn.Open(); List<Item> listOfItems = new List<Item>(); try { foreach …

I have a column in the datagrid view which i would like to make the value of the checkbox true. Do you no how to do so ?

Hi guys! is it possible to call parameterized constructor from derived class no-parameters constructor? To be clear - I want to override the most simple exception constructor (withpout parametrs) by other one - with string-parameter for class - [CODE]public class SetEception : ApplicationException[/CODE] thanks in advance)

hi there, i want to develop a login in asp.net C#. please can someone give me a guide to develop a login web page using MVC pattern i am using visual studio 2008 please can some show how to create a login using MVC thanks

Hi I am trying to link selected item from one list box to another list box and make the second Item selected there as well. Lets say I have 2 list box populated by the city names in two different listbox in different orders and from different source, now I …

i make twwo single linkedlist,, but i didn't know how i can merge those lists ;; [ICODE]#include <iostream.h> class linklist { private: struct node { int data; node *link; } *p; public: linklist(); void append( int num ); void appendd(int size); void display(); }; linklist::linklist() { p=NULL; } void linklist::append(int …

I have the following XMl file: Code: <Vehicles> <Company name="Ford"> <Vehicletype Vtype="Suv"> <Price>12000</Price> </Vehicletype> </Company> <Company name="Ford"> <Vehicletype Vtype="Truck"> <Price>20000</Price> </Vehicletype> </Company> </Vehicles> And I am trying to transform it to: Code: <Vehicles> <Company name="Ford"> <Vehicletype Vtype="Suv"> <Price>12000</Price> </Vehicletype> <Vehicletype Vtype="Truck"> <Price>20000</Price> </Vehicletype> </Company> </Vehicles> Any help would be appreciated …

hi..im doing a C# windows form application in visual studio 2008 and for the database im using SQL EXPRESS 2005..i need to create a crystal report. my question is when i start creating a new crystal report, using wizard, i get 1 window where i have to choose Data: i …

Im trying to create a webform that is a representation of a paper questionnaire that has 14 questions with yes/no answers. If an answer is no, then you must provide information as to why in 3 separate textboxes and store the information only when a user clicks no. I also …

I have an assignment where I need to Sort the linked list according to Int Variable after the user has input the information. When I try using bubble sort I'm stuck because I don't know how go back to the beginning. If a user enters : 5 4 3 2 …

I'm trying to make the quicksort but it's not working at all. I made a helper function "swap" so I can call it back in the "quick"function. then used recursive method to do it till the array is sorted. The problem is.. IT'S CRASHING EVERYTIME I RUN IT... i think …

Hey guys, so I just started learning computational geometry, and I decided to make a class for a Point and a class for a Ray. This is my code: [CODE]#include <iostream> #include <string> using namespace std; class Point { public: double x, y; Point(double x, double y) { this->x = …

I have never run into this problem before and I am frustrated. What am I missing? I am trying to initialize an array of five social security numbers. It does fine until the fifth one, then throws an error saying something about the indexer out of bounds. SSN has to …

I have Googled and looked and looked. What is the best cleanest way to format a social security number to look like xxx-xx-xxxx? And as long as I am asking, how about how to ensure that a nine digit number is entered? Thank you!

Hi! I have to do 2 different codes for my task. I finally did the 1st and now I need to do the 2nd one too. But I don't know the way to do it differently. Do anyone know how to make this code more simple? It needs to have …

I am making a program which includes comaring 2 numbers (int's) but later I want to call another windows function and it takes in CHAR not int. I need a way to convert my ints to char. I looked up this on internet and non if it worked. Do you …

Any tutorials on how to use CFile or any other, to open a text file, get what's inside into memory, e.x Link List, and then put it back into text file when done? Please link me or guide me through this problem. Trying to get a Payroll system going.

Hi all, I try to read file from file.. i put the file at drive D:\test.txt Please help me.. Thanks. Best Regards

Hey guys I have the following class code and i get an error in the addVertex method that says vertexList is not declared in scope but i dont know why. [CODE] #include <iostream> #include "DirectGraph.h" #include <string> #include <list> #include <vector> DirectGraph::DirectGraph(): vertexList(100) { } void DirectGraph::printShortestPath(int source) { } …

I'm returning over 30 tables in a sql stored procedure which come back in a dataset. I store this in session state and hold for 20 mins before refreshing. My problem is, I need to be able to search the dataset for a particular table by name. At the moment …