Software Development Forum

hi.. i'm writing a program where a file contains a set of phonenumbers. when a customer buys a number that particular number has to be deleted from the file. i'm able to delete that number but when the next customer comes that number is still available. even though the number …

Hey, What I need to do is read a file- it will have a name and several numbers after, with -1 as a sentinel number to signal the end of line, ex: Rogers 15 22 6 12 -1 Myers 23 10 4 22 34 -1 ... .... ..... What I …

In python it will give a decimal like 52.2 and I was wondering if there was a way to make it round all decimals up to the next number like 53.

MY ASSIGNMENT: Write a program that works with fractions. Your program should be able to add, subtract, multiply, and divide two fractions. Specifically, your program must request two fractions from the user, getting the numerator and denominator separately for each fraction, and the operation to perform (add, subtract, multiply, or …

I want to know how to see if my list contains a string name...having this [code] private class item { public string itemname { get; set; } public int val { get; set; } [/code] I tried, [code] var ilst = new List<itemname>(); ilst.Add( new itemname { ilst = "AA" …

Hello, i have a small doubt regarding the FILE structure. i looked it up in the header file (i have VC++ 2008). In this implementation, it was declared as: [CODE]struct _iobuf { char *_ptr; int _cnt; char *_base; int _flag; int _file; int _charbuf; int _bufsiz; char *_tmpfname; }; typedef …

Whenever I run this code the while(b<63) only seems to run once then does nothing. The (a<63) loop runs fine but doesn't go again because the first loop just stops. Any idea what's going on? [CODE]#include <iostream> #include <time.h> using namespace std; int main() { int a,b,c,sand; int land[64][64]; srand((unsigned)time(NULL)); …

If I have a list and I already have split the line in the file. I also have figured out the code to average the numbers in the list now I have want to figure out a way to somehow take the average from the list of numbers and give …

This is the question : you are burning some music CDs for a party. You've arranged a list of songs in the order in which you want to play them. However, you would like to maximize your use of space on the CD, which holds 80 minutes of music. So, …

I'm making a text editor just because I feel like it, I know there are already good text editors out there and this one isn't going to be better but I still want to make one because, again, I feel like it. I'm using JFrame to make my GUI and …

Hello fellows... Is there something like static function variables in python? I know there are static attributes of a class, but what if i want to use a static variable inside a function? somthing like this (stupid) code in c++ for example: [code]int static_num() { static int x = 0; …

Hello Members, The following Client.java and Server.java works fine: Client.java [CODE]import java.net.*; import java.io.*; public class client { public static void main (String args[]) throws IOException { Socket sock = new Socket(InetAddress.getLocalHost (), 2000); BufferedWriter dataout; String Message = "How are you?"; BufferedReader datain; System.out.println ("Sending "+ Message + " …

Have I got a problem. I am quite new to xslt, and I have the following situation. I am presented with an xml file. I only want to extract the text in four of the tags present in the document. My first approach was to create a template for each …

I have this homework in which I have been working on it: but I dont know what im doing wrong :( Could anyone help me: [code]#include <iostream> #include <cstring> using namespace std; class Account { private: char number[8]; char type; char owner[31]; double balance; double interestRate; public: Account() { number[0] …

I need help and I am not sure if this is even the right forum. I am new to n-tier programming. So I have developed a DAL using datasets, a BLL that is probably not very robust because I really do not know 100% what I am doing, and I …

I need help. I have a gridview that updates certain fields. Once those fields are updated a button is clicked and an email needs to be sent to different areas depending on certain conditions but only if there is an email address for that row. There could be only 2 …

I have a SQL query where I need to pull email addresses if there is one associated with that row in my table. Depending on how many email addresses are returned could be 1 all the way up to 5 I need to send an email to each of those …

Hello Members, I have a JTextArea object containing a paragraph. Is it possible to bold certain words in it? A pesudocode or example code would be of great help. Thank you!! sciprog1

Is it possible to be unable to put two "physical addresses" with a distance of less than 256k in a segment? My assembly professor asked me this. Is this the right answer:"it depends on how you set the align type(BYTE,WORD,PARA,PAGE), if you set it to BYTE the answer is NO …

[code] class Security { public: virtual ~Security() {} }; class Stock: public Security {}; class Bond: public Security {}; class Investment: public Security { public: void special() { cout << "Special Investment function" << endl; } }; class Metal: public Investment {}; int main() { Security* s = new Metal; …

Hello, I am having a problem with an assignment that I have to submit tomorrow which is to let a user construct an object. in the assignment it is asked from me to create a DVDshop class where the user can create a DVD object. Also, in this class I …

Write a program that will read in a sentence of up to 100 characters and output the sentence with spacing corrected and with letters corrected for capitalization. In other words, int the output sentence all strings of two or more blanks should be compressed to a single blank. The sentence …

I'm trying to use a getline function in my program. I have the correct cout function but when I try and enter my input the program keeps wanting me to enter a couple of times and then that's what comes out. I'm very confused on what I'm doing wrong in …

Hello. Is there a way to modify a UIElement's contents? I have something like this: [CODE] System.IO.FileStream rdr = System.IO.File.OpenRead(xamlFilePath); System.Windows.UIElement uie = (System.Windows.UIElement)System.Windows.Markup.XamlReader.Load(rdr); [/CODE] And when I run the debugger and add uie to the "Watch" window, it gives me the following: [CODE] [-]uie [-]System.Windows.Controls.Textbox {System.Windows.Controls.Textbox:Title} <some stuff...> Text …

[CODE]import java.awt.Color; import java.awt.DisplayMode; import java.awt.Font; import javax.swing.JFrame; class GameStation extends JFrame{ public static void main(String [] args){ DisplayMode dm=new DisplayMode(800, 600, 16, DisplayMode.REFRESH_RATE_UNKNOWN); GameStation game=new GameStation(); game.run(dm); } public void run(DisplayMode dm) { setBackground(Color.PINK); setForeground(Color.WHITE); setFont(new Font("Arial", Font.PLAIN, 24)); Ex7 s=new Ex7(); try{ s.setFullScreen(dm, this); try{ Thread.sleep(5000); }catch(Exception ez){} …

[B]Question:[/B] Is it possible to [B]restrict the number of times an element can have a certain value[/B] through XSD? [B]Scenario:[/B] I have an element <ITEM> which has three child elements: <ITEM_BOOLEAN> <NAME_ELEMENT> <ITEM_MEMO_ELEMENT> <ITEM_BOOLEAN> [B]is restricted[/B] to only allow the values of "Y" or "N" is XSD I would like …

How do you write a perl script to determine the number of measurements, average, variance, standard deviation? This is the script that I have so far and it is not working. my @data = (6, 9, 7, 23, 30, 18); my @data2 = (10, 5, 8, 11); my @data3 = …

I have written a program that allows for two people to play tictactoe, however it will not work. I am not sure what the problem is. Can some please help? Thank you in advance

I am using VS2010 and SQL Server 2005. I have a query to search between dates. Depending on which date I select on the datetimepicker I get no results or limited results, but mostly not all the dates between the two dates I specify. For example, if i select 10/9/2010 …

It is possible to compare background images of a pictureBox? This piece of code works?: [CODE] pictureBox8.BackgroundImage == pictureBox9.BackgroundImage [/CODE] I ask bcause apparently, if used as this: [CODE]if(pictureBox8.BackgroundImage == pictureBox9.BackgroundImage)[/CODE] the result of that IF sentence is always false

Hey! I need to add a child node (its name is stored in Object child1) to the specific parent node (Object hierarchy). To do that, I try to find the parent node and then add the child node to it. However, e.printStackTrace() provides the error message (see below). What am …

I've tried everything I know ( and that's really little ) and read everything I found, but I still don't know what's wrong here... Short version... If I must write more details, please tell me I have small program with only one class. All it has to do is to …

I want to retrive data from table into combobox ..when the user click combobox items it's corresponding data will be show. [B]In details :[/B] I have PERSON table , my program allow to the user search by : Person Name When the user enters the name into TextBox the combobox …

Hi guys. Im having a problem with this. I have an object that i create in other thread. Now what i want to do, is that when i close my app in the event it must call a method from the object created in the thread maded earlier. How can …

Hello, I'm a new python user and I'm trying to create a python program that will run on a targate and communicate with the terminal. The main idea is to run several commend and short programs and analyze the results. for example running those 2 commands: cd /home/user/folder ls | …

hello, so im designing a simple prgram which calculates the cost of a ticket you buy. there are only 3 ticket options, namely a b and c. here is my code. [CODE] #include <iostream> using namespace std; const int PRICE = 3; int find(int [PRICE]); int main() { int nums[PRICE] …

Hi, I'm fighting a battle with a linked list and I am currently losing. I am using the toolkit, pointers, nodes and a class. My code is still buggy because after building it, it just runs for a while then stops. Please help. Here is what I have, an implementation …

[B]Specifications (minimum):[/B] The CDROM class contains the following, private, data members: string Name; // The Name of the CDROM string CDType; // The Type of CDROM float Cost; // The Cost of the CDROM [I]The ONLY recognized (i.e., legal) CDROM types are, “Game”, “Word”, “Compiler”, “Spreadsheet”, “Dbase”, and “Presentation” (AND, …

Im trying to create an object array that accepts values generated by a 2 random functions so that i can sort the objects in the array based on one value of an identifier (finishtime) in each object. eg. twenty Activitys with datamembers [starttime, finishtime, id] my code for the main.cpp …

Hi all, I'm relatively new to Perl and particularly new to regular expressions. This is really simple script I've just mocked up. All it does is to take the input string and check if it's in the correct format or not. Here are some examples of correct format (will always …

So the problem is to get two words from the user and then see if they cross and if they do type them out like the example: word1= lottery word2= boat Crosses would be: b lottery a t b o a lottery b o a lottery I am pretty lost, …

Hello - I have been searching to no avail for a clear and concise definition of VB6 Classes and Class Modules with perhaps some simple examples. Does anyone know where I might find this??? Thanks! George

The map() function applies a function to every member of a list. Here a list of numbers 32 to 255 is changed to a list of the corresponding ASCII characters. Then map() is used in a more complex application to combine the two lists to form a dictionary containing number:character …

Hi! So, my question is how could I compare two objects. The code is shown below. The problem is that the first "if" statement is always true, even if it should be false. For instance, let's say childHierarchy[i] and hierarchy[0] are equal to 'Contract'. In this case "if (childHierarchy[i].toString() != …

I have no idea how to start the interpreter for this java project. I need some hint on the LET statement in order to write other code such as ADD, MINUS, GOTO...etc Thanks [CODE]public abstract class Statement { // execute() takes a ProgramState and executes this statement, by making // …

I have a list of lists [CODE]x=[['a', 'b', 'c', 'd'], ['e', 'f'], ['g', 'h']][/CODE] I need the following output. [CODE]a-b a-c a-d b-c b-d c-d e-f g-h[/CODE] How can i do this? Can a regular expression be used here??

Hi, ive only started programming recently and as my second assignment i have to write a program that can convert uppercase letters to lowercase letters and visa-versa. i also have to make it stop when a full-stop is entered and count the number of times the program changed letter case. …

Hello world of DaniWeb, it's been months since I last visited this forum but here I am asking for your help again :) I've been developing a text editing application and my problem is that the RichTextBox control will "lose" all special formatting (like font, color etc.) when enabling WordWrap. …

Hi, I've got such class template: [CODE=c]template <class Type> class Stack{ private: struct Element{ Type value; Element *prev; } *end; public: Stack(){ end = NULL; } void push(Type value){ struct Element *element = new Element; element->value = value; element->prev = end; end = element; } Type pop(){ if(end != NULL){ …

hi, i'm getting error of [COLOR="Red"]data source object is invalid[/COLOR] when i try to load a transaction report from sql database. [COLOR="Red"]Error 4 Overload resolution failed because no accessible 'Fill' can be called with these arguments: 'Public Function Fill(startRecord As Integer, maxRecords As Integer, ParamArray dataTables() As System.Data.DataTable) As Integer': …