Software Development Forum

Okay so I have an ellipse and I could like to have a "racecar" (actually just a 10x10 rectangle) follow the ellipse around the edge. The point that is always touching the ellipse is the upper left hand corner of the "racecar." I'm not even sure where to begin writing …

When i hit the start button i just get white boxes and no image for the dynamic and the image does not show for the random image i get a red x wondering if anyone can help me thanks! [code] Dim r As New Random Dim s As String Dim …

I have written (mostly) with some take from a simple tutorial a calculator control for a program I am working on, the control works fine, except i would like the control to accept key input, like the windows calculator does, i.e. asterisk activates multiplication, enter evaluates and the numbers are …

Hi all, I have written a code in assembly, assembler used is NASM. The code worked with XP 100% correctly but it is not working with Vista. Please tell me how to make it work on Vista too. In XP and VISTA both, I went to Start > Run > …

Hi. I have a predicament... I'm trying to make a JComponent that looks like this: _____________________ | | |Option Name [Text Field] | |____________________| It's for a Option screen that I asked about earlier (I got that part working fine). But now, I need a component that has the option …

My friend is doing a course in computer science and needs help with a few questions considering assembly. Well at least I think it is assembly. Here goes: 1. What alphabetic character will be moved into DL if the mov dl,25h instruction is executed? 2. What is the length of …

I need to output the first five lines or the last five lines of a .txt file the user provides while using switches in a command prompt. I've got it other than printing the lines to the screen. [CODE] #include <iostream> #include <fstream> #include <string> using namespace std; const int …

Hi All I have come to the end of my first large project and would really appreciate some guidance on how to go about getting it into a finished state. There are a few issues im worried about and having come this far and with a deadline looming im so …

I am reading a .txt file line by line and when the line in the file is "Hello1", I want to Replace that Line with "Hello2" but I dont get that to work. I think I miss something out here [code] //Save this emailadress to the RouletteDataBase file String Path …

Well, i have a problem with the snake in my problem... if it runs into the body it dies. But, if I press, for example, up when i am going down, it loses. How do i keep my self from doing that? Here is the code for the movement: [code]public …

I was looking at this: [url]http://www.parashift.com/c++-faq-lite/ctors.html#faq-10.18[/url] I don't understand [code] File f = OpenFile("foo.txt"); [/code] It seems like File is one class, and OpenFile is a separate class, so how can you assign an OpenFile to a File? Also, is it necessary to have this second class? Why not something …

[ICODE] #include <iostream> #include <cstdlib> using namespace std; struct A { A *B; }; struct C{ C*D; }; int main() { A * Z = new A; C * Y = new C; Z = Y; cin.get(); return 0; } [/ICODE] it says cannot convert Z to Y in assignment.

Hi All, I'm very new to VB, and I've been working a project for a class for a while. I'm trying to link totals from three different forms to a final form, but I'm getting stuck w/my coding. Someone suggested that I use the first form to set up the …

[code] #include<iostream> #include<fstream> #include"d_nodel.h" using namespace std; int main() { dnode<double> *listA = new dnode<double>; dnode<double> *listB = new dnode<double>; double sz1, sz2; int val1; //first set of integers int val2; //second set of integers ifstream inFile; //declares the inFile ofstream outFile; //declares the outFile //Read in a file to …

Hello everyone, this time i have a question about this 2 algorithms,they are suposed to solve colisions in hash tables! Does anyone have Python Examples of Implementations ? I was given homework with this, im doing research on them, but the only language i consider myself capable of doing advanced …

hello all, I'm getting some unexpected behavior from the ifstream object when using the open method. im reading the following characters from a text file: [CODE] ############### # #X# # # ### # # ### # # # # # # # ## ## # # # WWWW###WWWW # # …

What is wrong with my sorting function? I am trying to put numbers in ascending numbers. [code] void sort(int array[], int numts) { int lowIndex, lowest; for (int count = 0; count < (numts-1); count++) { lowIndex = count; lowest = array[count]; for (int index = count + 1; index …

hi i have a very large array that i want to populate but i don want to run the for loops every time so i thought i would right a program to output text to fill the array and was wondering if this would work. the array is [icode] int …

Hi all, New to the forum here, and coding in general. I am posting because I am having a problem with a simple program intended to act as a word, character and line counter, with each counter being its own function. I keep running into the same problem over and …

im having a problem getting an abstract method to work, heres the code [CODE] abstract ImageIcon getPicture(); { return picture; } [/CODE] When i compile the code i get the following error: Appliance.java:30: return outside method return picture; Can anyone help me fix this?

Ok lets say i want to make a web browser with tabs how would i get the first tab to display a webpage like google.ca as soon as the application opens?

i am working on my project which is on regeression of lines . well i have been successful in fitting a straight line to the given set of coordinates . since i have come so far after a lot of striving , i have been a bit exhausted on writing …

In file "sudoku.dat" is 9x9 size matrix. In one 3x3 bloc, can be from 2 up to 6 unknew digits, however main unknow digits amount in all matrix, must be not over 36 digits. Unknow places marked with symbol ? Example (3x3) ?9? 4?? ?32 I need program which could …

Hi all! I need to check if an object with equal property value(CustomObject.Key) exist in my custom list In a List(Of String) i would do it like this [code=VB.NET] Public Class StringList Inherits List(Of String) Public Overloads Sub Add(ByVal s As String) If Not Me.Contains(s) Then MyBase.Add(s) End If End …

I am having trouble creating the snake, let alone making the animation. I need someone to assist me in creating such things, as well as helping me complete the program. Thanks [code]import javax.swing.*; import java.awt.*; import java.awt.event.*; /** * @(#)SnakeGame.java * * * @author * @version 1.00 2009/4/30 */ public …

To redirect clog, I have been using this: [code] std::streambuf* clog_save; std::ofstream ofs; clog_save = std::clog.rdbuf(); ofs.open(LogFilename.c_str()); std::clog.rdbuf(ofs.rdbuf()); cout << "Test cout." << endl; std::clog << "Test log." << endl; std::clog.rdbuf(clog_save); ofs.close(); [/code] However, it seems like bad "code reuse" practice to have to put this in every program I …

Hello, I need some help understanding the nonlocal variables and functions. Currently I'm reading "A byte of Python" to ease myself into the language, which so far seems to be fairly straightforward even if the syntax is a little strange coming from C++. I have copied a small script from …

I am trying to learn some c++. To do this I have chosen to write an emulator. I had it up and running, but decided to try to make a better architecture. I have a strange problem that I don't understand. If I compile the following code (Visual C++ 2000 …

Hey everyone, I've been getting my rear end kicked by this homework assignment. We were given the task of writing up a command line version of Othello (Reversi) in a higher level language, which I chose C++ to do so in. My C++ version of the code is working great, …

Hey... ok before i start i want to say that i'm not a very good programmer... and i'm new with this... and i got a project that i have to submit in 2 days so i badly need help!! ok the problem is: I'm using binary file handling, a code …

Hi folks, I am currently making a piece of software in c# which uses a very large .dbf (yuk!) database (about 120MB). I have a "Remote" class which is used to do the database operations. I use ODBC to connect to this database. All works, except that due to the …

Hi, I'm trying to make an Options screen for the game that I'm writing. I know how I want it to look, but I don't know how to add Tabs, or move the buttons that control the options around... Below is a link to a picture of what i want …

I'm trying to write a short bit of C code that will get a filename from the user, via the keyboard, and open the specified file, but I haven't been able to get fopen() to recognize the variable filename when I use fgets() to get it. Here's a snippet of …

Hello! I'm searching and searching and can't find a solution... In my project I've got a folder 'Images' where from my application loads icons etc. Running project from IDE (NetBeans) it's of course working fine, but I want to create stand-alone application, so I create .jar file. And here's a …

I am working on this lotto project which generates 6 random numbers in which are put into an array. How do i put it in an array where the numbers don't repeat?

so we are starting arrays and our task is to go back to our assignment 2 (functions) and he wants us to run the program using arrays. im pretty stuck and have no clue what to do. [B]heres how assignment (functions)2 looks[/B] [code] #include <iostream> using namespace std; void getEmployeeData …

hi there, i do hope someone can help with my delima. yes this is homeowork but i am 80% through my program and only wish to get some guidance on my program. my program has a number of things it has to do and one the things i am having …

Hello! I am making a postfix calculator and I want to add in some equation integrity checking. Everything seems to work ( it needs to be done some little improvements, but overall it is working), except when I am checking for the blank spaces the program do not work the …

how im gonna loop menu if option not 1 or 2 ??? [CODE]void display( ) { int option; system("cls"); //clear screen cout<<endl<<endl; cout<<"\t * Display Menu *\n"; cout<<"\n\t1. Display For Certein Date"<<endl; cout<<"\t2. Display All Appointments"<<endl; cout<<"\nEnter Option Number: "; //Enter option cin>>option; cin.get(); switch ( option ) { case …

As i have written Atoi(); Now i have written Itoa. Here I have used a method of getting the last digit stroring it in an array and then reversing the array to get the required answer. I look forward for Improvements in this code. [CODE=C++] /**************************************************************************** Function Name:: itoa(int ,char …

can anybody tell me why i am getting error object variable or with block variable not set .here is the code what i have written. any help would be greately appreciated. [code] Public Sub Addtolistview() 'Dim success As Boolean DataPath = GetSetting(Application.Name, "BasicSetup", "Database", "") 'StrQuotationStartID = GetSetting(Application.Name, "BasicSetup", "QuotationStartID", …

for example the sentence in the text file is "daniweb offers the best solutions for C++. the website is www.daniweb.com." i have the user to search the word "daniweb". by using ifstream to read word by word, this is part of my codes [CODE] ifstream file ("lines.txt"); string word; bool …

How can I clone an object in C++, so it is a seperate object, but exactly the same as the original? Thanks, - Moshe

i want to make a prgoram that will read in a set of numbers and determine whether or not they are prime numbers, this is what i got so far any ideas? [code] #include <iostream> #include <queue> #include <vector> using namespace std; int main() { queue <int> input; queue <int> …

I have this problem to solve for preparing for the olympiad and i'm not quite fond of the functions so that i want to do it classically but i find it harder.Here it goes: "During a desert operation a group of soldiers were lost from different squads.After the storm passed …

my makefile: [code] DRIVER_SRC = PumaDriver.cpp PumaBody.cpp PumaMotor.cpp base_manipulation.cpp serialPort.cpp DRIVER_INC = PumaDriver.h PumaBody.h PumaMotor.h base_manipulation.h serialPort.h silvermax_commands.h All: $(DRI_SRC) $(DRI_INC) g++ -Wall -Wextra -g3 -fpic `pkg-config --cflags playercore` -c $(DRIVER_SRC) g++ -Wall -Wextra -nostartfiles -shared -rdynamic -o libPumaMotorDriver.so PumaDriver.o PumaBody.o PumaMotor.o serialPort.o base_manipulation.o install: cp *.so /usr/local/lib uninstall: rm …

Hi I am writing a function which gets values. These ones will be used in my sqlite query [code] def updateDB(tel, month, price): mytel = (tel,) myprice = (price,) connection = sqlite.connect("mydb.db") cursor = connection.cursor() sql = 'UPDATE mydatabase SET %s = ? WHERE number = ?' cursor.execute( sql % …

i want to show a msgbox when i click on the webbrowser control on my form.. how do i do it? why isnt there a mouseclick event in the webbrowser method listbox?

Hi I wonder how it will be possible to get the current date and time. I have looked around and there are many different ways to retreive this. I wonder what could be a good way to do that. As for now, I would like to return a string for …

I need some help. I have been problems getting my programs to recognize variables outside of the subroutines even if I make them public. Ive been able to work around the problem until now. I am working with arrays. It wont let me declare the array outside the subroutine and …