Software Development Forum

I have the coordinates of n points and I need to calculate the distance between each point until the other points. 2 0 3 0 0 5 2 1 ... ... ... I am beginner in C + + and I've worked a lot before asking for help. Already, I …

Ok so I have this project in ming for along time now. Basically I have created a console app that works as a calculator by using mathfunctions from a DLL I also have created. Now the problem is I want to make it so that people can create their own …

I am currently having problems displaying a file correctly once i have written a dictionary to the file. For this program the input file needs to have the format: ID: Date: Dayskept: ProductName e.g. 1:12/12/2011:12:A This is fine the first time I read the example file into a dictionary, but …

Hello Everyone, I am trying to emulate a T9 (cellphone) keyboard in C. So lets say a user types in the numbers "23", a possible word combination would be "be". In my question here, I will only write down a part of what I have assuming it only works for …

hello there, im given an assignment to basically prompt user to enter name, start time, end time, am or pm, and the pay rate and from that information i need to calculate number of hours worked and how much they get paid for the day, but im very stuck. please …

Hey i wanted to know if there's a program that shows u a pattern on how they got the number if i give them 3 examples? for Ex: 1) 35777903801230601 (Encrypted) = 46071642 (Decrypted) 2) 35777903248036801 (Encrypted) = 43975216 (Decrypted) 3) 35777903508068601 (Encrypted) = 91756761 (Decrypted)

I have an assignment until next week and i don't know hot to complete it In the program in c we have to help a cat escape from a dog which has double speed. The program works as follows : the data of the program are read from the file …

Hello guys, basically I have two Delphi applications which I want to communicate and work with each other, the only problem is I don't know how. Can anyone help me create a as simple as possible programs so that when I press a button in the first program, it would …

I have an assignment until next week and i don't know hot to complete it In the program in c we have to help a cat escape from a dog which has double speed. The program works as follows : the data of the program are read from the file …

ok i have this assignment which i'm just having problems with the iterator part of it. from the [B]ListType [/B]class, this is what i wrote: [CODE] public Iterator iterator(){ return new OrderedStringListTypeIterator(list); } [/CODE] this code is from the textbook which idk how they got theirs to work, but... [CODE]import …

how to fix the errors? [CODE]package app.util; import java.io.*; import java.util.ArrayList; import java.util.List; import app.obj.Book; public class BookDatabaseReader { public BookDatabaseReader() { bookDatabase = new File("C:"+File.separator+"User"+File.separator+"Marissa"+File.separator+"Desktop"+File.separator+"eto na"+File.separator+"dat"+File.separator+"bookdb.txt"); } public List<Book> getAllBooks() { List<Book> bookList; bookList = new ArrayList<Book>(); BufferedReader reader = null; reader = new BufferedReader(new FileReader(bookDatabase)); for(String str = …

Hello all. If there is one aspect of any language I cannot understand it is regex. I have some strings I need to parse, of varying length and content, but there are patterns. There 2 base types the first always begins with [B]%zn%[/B] and can be short or long and …

Hello everyone :) I'm learning Java and I'm creating a pong game. There is something I don't understand how to do though. It's how do I make it so that when a button in one panel is pushed, it calls a method in another panel. Let me quickly explain the …

Hi,i am doing window form using VB C#. My problem as below: Dictionary<string, double> sortList1 = new Dictionary<string, double>();//contain key and //values Dictionary<string, double> sortList2 = new Dictionary<string, double>();//empty // do events int j = 0; foreach (double doub5 in sortList1.Values) { holder = (doub5 * 100 / richTextBox2.Lines.Length) * …

Hello! I am writing a code of linked list in which user can insert or delete names but the list must remain sorted alphabetically. I have written the given piece of code by now but it is not correct. Please help me out. I took help from this link: [url]http://stackoverflow.com/questions/2941368/sorting-names-in-a-linked-list[/url][code]//function …

I have figured out how to create command buttons and have tried to change their general color, but to no avail. This is what I tried, but it did nothing: [CODE]Option Explicit Dim WithEvents Com As CommandButton Private Sub Form_Load() Set Com = Me.Controls.Add("vb.commandbutton", "BtnName") With Com .Left = 100 …

Hello, for this assignment, we have to imitate SW Airline's boarding process. I think I have everything working so far, except for the fact that my program ignores every Passenger entered into the queue except the first one. It's almost as if it bypasses the if statement asking if the …

what's the difference between: [CODE] // main.h #ifndef X_H #define X_H #include "point.h" // supposing that point.h contains the declaration of Point class class MyClass { private: Point m_Point; //... }; #endif // main.cpp #include "main.h" //... [/CODE] and [CODE] // main.h #ifndef X_H #define X_H class Point; class MyClass …

What a project i must create if i want do some gui´s windows, and put the code after select item, i do graphical sudoku with difficulty. Can someone write me the way, i would like to start with graphic window and after that code and get the code to the …

Hi, I tried searching but I don't know how exactly to describe my question in 2-3 words so I didn't find anything. Is it possible to do something like this?Just to get the idea... I know it doesn't work: [CODE]switch(c){ case '1':{ (...) ; break;} case '2':{ (...) ; break;} …

Hey everyone :) I've been working on the first part of a program which I'm doing in 4 steps. Here's the first step which I have completed: Function inputAndValidate This function inputs the time. The time should be entered as two separate values for the hours and minutes. Do not …

Hai!!! I have a class, Search Class...this class suppose to search the data from the MySQL db...on top of the JFrame, should have two JMenu bar button which is call About Us and Help...the problem is, if you run this code, the JMenu Bar doesn't appear on top of the …

For next loop in qbasic? hey i am taking a beginner's course in programming and i have been asked to tackle this question using the for loop its like i have to write a program that will print the numbers as follows.. 1 12 123 1234 12345 123456 how can …

I'm making a system cleaner on C++ and what would be the best project to use? @ Windows forms application @ Empty project @ Win32 project @ Win32 Console application Note: This project has to have interface it's not console based! Reason why there is console app is you could …

Hi guys, I have a program that searches a large quantity of files and performs tasks on the files. can anyone tell me how to do the following: I want to create a "Searching" window that pops up with a loading bar on it. i want the main window to …

I have two Forms in my project. The first one I made makes the program exit if I hit 'X' button at the top of the window which is obviously normal. But that's not the case with the second form where If I hit the 'X' button then the Form …

I'm creating a class for a text analysis for letter frequency. I am trying to compile it, but i'm having some problems. Could someone look at this for me? This is what I have so far: [CODE] class Analysis { private: string letters[26]; string text; int count; public: Analysis() { …

I WAS JUST EXPERIMENTING SOMETHING. AFTER COMPILING THIS I GOT THE ERROR: "<identifier>expected x=1;" i have got this error many times, but don't know why this occurs and also i have made the object of the class dabba in the dabba class's main method, is it wise thing to do?????? …

Hi I am trying to store an array into a file. I have tried a few ways but I end up with an extra line at the end of the file. The only way I can do this without the line is by writing [code] ofstream myfile("Stock.txt"); if (myfile.is_open()) { …

[CODE]import java.awt.*; import java.awt.event.*; import javax.swing.*; public class SwingAnimation{ Thread th; ImageIcon images; JFrame frame; JLabel lbl; int i = 0; int j; public static void main(String[] args){ SwingAnimation sa = new SwingAnimation(); } public SwingAnimation(){ frame = new JFrame("Animation Frame"); th = new Thread(); lbl = new JLabel(); Panel …

Hi Friends, How can I create a number which will be construct with the array values. e.g. [CODE] arr[0]=2 arr[1]=5 arr[2]=8 arr[3]=4 [/CODE] now the number will be, [CODE]int num=2584[/CODE] please help me for this... Thanx...!!!

Hello, I have this assignment in C. The problem is that the functions have to be placed in separate files instead of just one. I haven't done that before. It seems code that would have run if the program was written in one file doesn't work when the functions are …

Hi all, I have added a template field in a gridview. In that i have added a radio button. I have written a code which will get row Id of GridView of a row which is having a radiobutton on it checked. Through code i am getting even name of …

Gaussian elimination is designed to solve systems of linear algebraic equations, [A][X] = [B] This program reads input from a file which is passed as an argument when calling the program. Say the matrix is in file name matrix.txt so we call the program in this way: ------------------------- gauss matrix.txt …

Hi, This is just a thought. So please don't get mad at me and please don't waste much time over this either. Just wanted to share something that occurred to me. Now I've done a bit of java and a bit of C. Now what I want to do is …

Hi, I just started Java (But I do have 1.5 years in c++) and I found that string switchs aren't allowed, so I tried using a character array, now when I try to define the array, it says that [ICODE]char [10 for example]array;[/ICODE] is not allowed because of [10 for …

If I have 9 buttons called button1, button2 etc up to button 9 how can I change their properties using a loop? Or can I group them together? I have something like this [CODE]for (int i = 1; i <= 9; i++) { button.Enabled = true; button(i).Text = "BLAH!"; }[/CODE] …

Hello, For some reason when I use the particualr block of code below it will work the first time, but when called again with RemComps as true, it will work almost the way I want it to, but instead of the one set of buttons it has 2 (or the …

I am struggling with this assignment to long i need someone to tell me what am i doing wrong Write a program with three functions: upper, lower, and reverse. The upper function should accept a pointer to a c-string as an argument. It should step through each character in the …

I need to write a program that calculates the squares of all numbers that are contained in a file of floating point numbers. The obtained new numbers form a new file. Like this : if the file contains the numbers 1, 2.5, 0.1, the numbers 1, 6.25 and 0.01 form …

Hi, I'm new to these forums and have been working with xslt for about a month. So far I've been able to do just about everything I need with it, but my most recent task has me confused. I have a relatively flat xml structure that I'm using XSLT to …

I tried everything could possibly think of to do this and have spent hours trying to figure it out.. I'm trying to take this timestamp: 2011-03-23 00:43:07 which is in GMT zimezone and convert it to a Date that is in my timezone which is 4 hours later. 1. It …

hi, am trying to parse a multiple pairwise format into table for example: Query= m100529_140129_SMRT1_c0000010190006406181231110_s0_p0/32965/0_332_clipped_50:0 (282 letters) Query: 8 TTTTTGAACAGCCCCAACAACTCTTCCGCTGCCGGTTGCTGCA-TTCCAGTTGTTCCACA 66 ||||||||||||||||||||||||||||||||||||||||||| |||||||||||| ||| Sbjct: 4045830 TTTTTGAACAGCCCCAACAACTCTTCCGCTGCCGGTTGCTGCACTTCCAGTTGTTC-ACA 4045772 Query: 67 GTCCAGCTCCAGTTCAACGTCGGTTTAAATCGTCG--AGCT-GTATGAGAGATAAGCATA 123 | ||||||||||||||||||||||| |||||||| |||| |||||||||||||||| | Sbjct: 4045771 GGTCAGCTCCAGTTCAACGTCGGTTTTAATCGTCGCCAGCTGGTATGAGAGATAAGCA-A 4045713 Query= m100529_140129_SMRT1_c0000010190006406181231110_s0_p0/56521/6_684_clipped_527:0 (151 letters) Query: 1 CTTCAAAGAGGGAGAATTACGTCGATATTACCGAAGGCTGGGAGAAGGGTGAAAATACAA 60 …

I made the Huffman code algorithm... and made the tree as it should be made.. The problem comes how do I print the code from the tree.. Theoretically I know the code generation.. But how to implement in C++.. Using TC. The following tree is constructed for this data [CODE]Alphabet …

i want to delete selected record from listview and database, but when i press delete button, it deltes onlye first record of listview not selected record... here is code...[CODE] Private Delte_Click() Call Mydatacon Dim rs As adodb.Recordset Set rs = New adodb.Recordset rs.Open "SELECT * FROM AAAAA_DEMO", con, adOpenStatic, adLockOptimistic …

i've seen in some sources that some classes have Getters and Setters even for public data members [CODE] class Example { private: int m_ID; public: string m_Name; int m_Age; Example( ); ~Example( ); void SetName( string nName ) { m_Name = nName; } void SetId( int nID ) { m_ID …

[CODE]/* Beginning Game Programming, Third Edition Chapter 4 Load Bitmap program */ #include <windows.h> #include <d3d9.h> #include <d3dx9.h> #include <time.h> #include <iostream> using namespace std; //program values const string APPTITLE = "Load Bitmap Program"; const int SCREENW = 1024; const int SCREENH = 768; //key macro #define KEY_DOWN(vk_code) ((GetAsyncKeyState(vk_code) & …

I've been making a program which reads several strings from a Notepad file which's location is set through user input. Then they enter a string which is in the file, a positive message is shown if it's not then a negative one is shown. However I can only scan the …

What would be a common strategy for using DLLs coded in native C++ in C#? I'm not really finding much good information about it, other than writing the DLL in C.

I'm brand new to C++ ,I've written following code for finding a number's factorial,Can you please let me know how to write it more elegantly ? [CODE]#include <iostream> using namespace std ; main () { int num = 0 ; // declaring variables double result = 1 ; long int …