Software Development Forum

hi i am trying to learn programing by myself as i am not old enough to take the subject at school i have tryed to use tutorials but i am stuck in my attempt to make a game of life. i have seen some examples but am getting confused at …

I have created a histogram program that has the user enter the lower limit of the range, then generates a 20 number array with that number at array[0] and the lower limit + 20 at array[20]. It then does a random number generation where 85% of the randoms are within …

I have this litle problem: I have inserted a lot of data into a excel form. After that I wish to do a bit of sorting and all that stuf before I actually create a chart. So I used the subtotal routine. Somehow this routine ignores my first row of …

Please help on creating my own operating system ............. I try too much to search on google but I did not get any help for me.......... I hope some good enough too help.... I have knowledge about c/c++. Thanks.

Okay so after many hours I finally figured out how to read data from an excel file but now I am running into a problem here is how I read in data [CODE] Microsoft.Office.Interop.Excel.Application excelApp = new Microsoft.Office.Interop.Excel.Application(); Workbook excelFile = excelApp.Workbooks.Open(filePath, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, …

Hey Im having a hard trouble drawing in a Java window so if there is a plugin that shows the coordinates in a Java window when I hover my mouse over that spot it would make my coordinate easier.

Hey; I am having problem with the read and write functions in fstream. They need to have a const char * to read or write from/to buffer. I need to work with integers. Here what happens: [CODE]for(int i = 0; i < numberOfValues; i++) { int random = rand() % …

hi there i have a question i have created the login in C# deshtop application and when the application ruins i have amde the cursor to be focused to the username textbox now the thing is soemtimes the user adds the username and then adds the password a and then …

In the following code, a selection in excel is selected. All of this information is then transfered to The DestFile. In this case the DestFile is Firm_ATC0.asc. I would like the program to put all the information from the A colum in the Firm_ATC0.asc file, and all the information in …

Well, i'm really new to this programming thing, but i don't have a teacher or anything like that, i'm an autodidact so I really have a lot of questions on this matter. I'm trying to do a project using Augmented Reality. As far as I know, there are two main …

[CODE]cout << "The sum is " <<sum<<endl<<"The sumCheck is "<<sumCheck<<endl; if (sum==sumCheck) { cout<<"Is a polygon"<<endl; } else { cout<<"Is not a polygon"<<endl; } [/CODE] The sum is correctly displayed as 360 and sumCheck is correctly displayed as 360 yet the message "Is not a polygon" is displayed. I can't …

Dear All , I have a device with upon serial communication , it send the data as HEX values , (eg, C020042ABD0F91A103E400F929EBC) . I use the following code to get data from the serial port. [code] Dim fStream As New FileStream(sFileName, FileMode.CreateNew) ' creates new file Dim bw As New …

I really need help with a project that I have to write for my intro to Java programming class. I have absolutely no idea what to do or how to do it. I would appreciate any help or starts on the code or maybe, just maybe, a code for this …

Hey all, I'm creating a text-based RPG and am just now getting to the fighting mechanics. I want to use the rand function to choose a random number within a certain range but am having trouble getting it to execute correctly. [CODE]#include <cstdio> #include <cstdlib> #include <iostream> using namespace std; …

This is not a real program but a feasibility test. The purpose is to: 1. create a bunch of bitmapbuttons on a scrolling window from the contents of an image directory. 2. When the user clicks on their favorite button something should happen. The nice part is that 1 is …

Hello all, I have an app that I've developed that has a vb.net front end and a SQL Server 2000 database backend. I currently have it running fine on my machine and it also installs fine on all the users that are inside the domain that the app was written …

Hi all, I am currently working on a "game of life" program. Which basically updates a grid and forms interesting patterns. Now part of the program means it has to have a "start" and "stop" button. The idea being that the user can click one button to start the game …

[code] Imports System.Data.SqlClient Imports System.Data.SqlClient.SqlDataReader Imports System.Data.SqlClient.SqlConnection Private Sub Button2_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click Inherits System.Windows.Forms.Form Dim myConnection As New SqlConnection Dim myCommand As New SqlCommand Dim ds As New DataSet Dim cmdtext As Integer Dim action As String Dim view As DataView Dim dr …

Hi All, I want to transfer a html file generated by my VB application to my account in Unix Server, please let me know if this is possible and if yes, how can I achieve this? Thanks in advance!

Hi there. I have made a program in Python with PyGame and PyOpenGL to test out vertex and pixel (fragment) shaders. I would like to be able to right click on the shader file (just a text file with a custom extension) and choose Open With... and then open with …

So I have problem with a code I am writing, when I write a string to a text document, I get the following error; "Conversion from string "1, 1, 2, 3, 5, 8, 13, 21, 34, 55" to type 'Integer' is not valid." Please help; code below. Thanks in advance! …

Could use some advice, as always it's greatly appreciated. I know I could have ripped this code off from anywhere but I'm really trying to learn this the right way. Not sure what I am doing wrong here to make my If Elif part of function not work correctly. It …

I'm having some problems with the UPDATE statement in VB.NET. Not the UPDATE statement directly, but when it comes to incrementing a field's value by 1. Below is the code that I'm using for writing to the database, as well as the two UPDATE SQL statements that I've tried. Any …

I need to compress monochromatic bitmap with modified huffman algorithm here's the algorithm: [url]http://www.iet.unipi.it/m.luise/HTML...n%20Coding.htm[/url] as you see i need to replace pixel (bits) sequence with some bits sequence variable length so im not sure which type to use for bits manipulation iI found this class for bits [url]http://www.codeguru.com/cpp/cpp/cpp_...nipulation.htm[/url] and this …

Hi, I have a method call say some fucntion that takes in a pointer of an array of char [CODE]char anArray[32]= {'1', '2', '3', '4', '5', '6'}; // the function call someFunction(&anArray[0]) [/CODE] I don't think I have quite grasped the concepts of pointers yet, does the code i have …

I'd be interested to hear your views on which IDE is best for developing in C++ - Eclipse orMS Visual Studio. What are the positives of each and what are the negatives? Many thanks Mairi

Hi, I have data which begins with TEXT which is exactly 13 lines (variable number of characters) followed by BINARY DATA (exactly 262144 chars). It looks like: [QUOTE] BASELINE NUM: 258 MJD: 54270 SECONDS: 28321 CONFIG INDEX: 0 SOURCE INDEX: 2 FREQ INDEX: 0 POLARISATION PAIR: RR PULSAR BIN: 0 …

[COLOR="Red"][U]Need Help Making Keylogger[/U][/COLOR] Hi everyone, My name is hayzam and i want to make an advanced keylogger and what to put it in a USB So when I connect my usb it will open automatically and it must be invisible one more thing i am a newbie to C++ …

Hello i'm having a problem with a program. Let me tell you first what program should do. The program should allow the tutor to enter in the various marks which the students have been awarded, until the tutor enters in a mark exceeding 100. At this point the program should …

Hi, Im trying to make a brick game, im only allowed to use vpython, not pygame. I am having trouble getting the ball to change direction and to bounce off the bricks, could you look over my code, and lemme me know? if you could email me at <EMAIL SNIPPED> …

In an assignment, I have to use four different files in a single program. I know doing so has something to do with inheritance (which we're studying now), but I don't understand how to write each file to use the others. How do I use multiple files in this single …

Hi Everyone, Can you look at this code because I am sure I'm missing something. I am trying to reset a Dataset. I have a form that has 1 text box and has 2 queries that locate the data. One is by customer ID and the other is by customer …

Hey everyone, I was assigned a project where we have to simulate virtual memory page replacement algorithms. I decided to use a Queue ADT I made in a previous project, and modify it to enqueue page reference strings of a process, character by character. However, when I initially create the …

Hi! I have a program I'm working on for class (CSC 150). I have to read a pgm file into an array, copy it to a second array, manipulate the image and then output to a second file. I'm having a heck of a time figuring out how to do …

hi I have been trying to draw a grid to a picture box. I have the grid drawn on the windows form itself but when I try to draw to the picture box it doesn`t work. instead the grid draws around the area of the picturebox rather than within the …

I have to load two arrays, merge the two arrays into a third array, then create a control break report on name while outputting the most frequent style, then sort the array by style and to a control break on style. Can someone look at my code and see if …

hi there, i have a question in coping a file to machine in the network i use the below code [CODE] public string UploadFile(string ID,string Phase,string source,string fileName) { string path = @"\Server-003\F\Details\Reports\" + ID + @"\Phase" + Phase + @"\Proposal"; Directory.CreateDirectory(path); //string folderPath = path.Substring(0,slashIndexLast); string[] files = Directory.GetFiles(path); …

Hello, everyone. I'm having a hard time trying to figure out how to declare and initialize my dynamic array of objects. Here is the class definition and constructor definition: [CODE=C++]class SavingsAccount : public BankAccount { public: SavingsAccount(char, int, string, double, int, double=2.00, double=0.0, double=0.0); double getinterestR() const; double getaverageDailyBalance() const; …

hi! i'm using a ms access 2003 and vb6. I have a textbox and a datagrid controlled by an adodc. can anyone tell me how can i display the data that I need in the datagrid. example: i entered a lastname "cruz". I want the datagrid to display customers that …

I am trying to call a php script through a shell script.The script is to be called as the run on receive directive of gammu-smsd.My php script executes as expected when I call it using[CODE]/opt/lampp/bin/php myvarsreader.php[/CODE].However on trying to run my script(From terminal): [CODE]#!/bin/sh PROGRAM=/opt/lampp/bin/php myvarsreader.php eval "$PROGRAM \"\${SMS_${i}_NUMBER}\" \"\${SMS_${i}_TEXT}\"" …

i am trying to import into a 2d array the following: line one : gpa e.x.[2.3,5.1,....] ^ ^ | | line two : id e.x.[1 ,2 ,....] and after that to sort the gpa in a descending way but in the same time the id to follow each ones gpa. …

Hi, Im trying to run this program using dynamic memory i cant seem to get it to keep running it crashes on me. I have the working program so the code is correct im just haveing trouble trying to convert it correctly. Thank You, [CODE]#include <iostream> #include <fstream> using namespace …

hey guys, I am a beginner and am having trouble loading data from an external data file and then loading it to the screen. It is supposed to be the temperatures from everyday for a year for 2 years. 1 column is 1930 the other 2000 This is my script, …

Ok, so I have most of the code working but I've been up for over 24 hours and I just cannot seem to get the test score to come out. Here's my code, hopefully someone with fresh eyes can spot my error, I know it has to be something simple …

[CODE]void BinarySearchTree::inorder(tree_node* p) { if(p != NULL) { if(p->left) inorder(p->left); cout<<" "<<p->data<<" "; if(p->right) inorder(p->right); } else return; } [/CODE] This sample of code works fine if I use it to test valuables that are primitive, example: integer I wanted to be able to transform that, so, if for example …

Howdy, I need to print given path to a file. The problem is that my app is platform independent -> I can get a Win32 style path: [CODE]C:\foo\bar.dat[/CODE]. The problem is with printing single backslashes '' -> single char converts to "\char" style. I need to convert it somehow to …

Hi, having a small problem whilst trying to draw a fractal to a bitmap. this is the code ive got it all seems fine but i get an error message every time I try to compile it. The error being. ArgumentNullException was unhandled Value cannot be null parameter name: image …

My program runs, but I am getting this message which I am fairly sure means that I have a memory leak and it is coming from my destructor. Assignment2(779) malloc: *** error for object 0x100100120: pointer being freed was not allocated I don't know what I am doing wrong. Since …

Having problems with completing this code to a working program and running it. What is the final value of sum? What is the value of i when the loop terminates? [CODE]public class SumLargestToSmallest { int n = 2147483647; float old_sum = (float) 0.0; float sum = (float) 1.0; // already …

Hi, I want to make enter Textbox value in multiplication of 2,the value in the textbox is retrieved from database. This is my code: [code] int a = int.Parse(textBox3.Text); int b = int.Parse(textBox3.Text); int c = a + b; textBox3.Text = c.ToString(); [/code] I had retrieved value from the database …