Software Development Forum

I have tried to google this but returned nothing useful; I have code which runs in a menu item (StartToolStripMenuItem_Click). Later in the project i want to code clicking this menu item but if i just use the StartToolStripMenuItem_Click sub it wants the 'e' argument passed to it. I simply …

Hey everyone, I am currently working on a project to create a List ADT that has the following public interface: + size( ) : integer o Returns the number of elements currently stored in the list. o Postcondition: Returns 0 if empty otherwise returns the number of elements. + add( …

Hi I am getting an error saying that a class doesnt exist even I did foward declaration: [CODE]class CMyApp: public CWinApp { public: BOOL InitInstance(); }; class NumericOperation; //foward declaration class CMySkaiciuokle: public CDialog { public: CMySkaiciuokle(); virtual BOOL OnInitDialog(); protected: virtual void OnCancel(); virtual void PostNcDestroy(); afx_msg void OnPaint(); …

Explanation: suppose an expression -23+5-9/(5*2) is entered then i want output as Numbers: -23 +5 +9 +5 +2 Operators: + - / * () Is it possible?

I have two JSliders that are both going to a common stateChanged Method, but I am having trouble separating them. I assumes they were somewhat like separating something in the actionPerformed method, but it doesn't seem to work. it does however go into the method, it is just the if …

hello guys can you help me with my problem i create a media player and of course it has a playlist which is the listbox but my problem is that when i use this [CODE]x = system.io.path.getfilename(track)[/CODE] and when i click the song in the playlist it does not play …

I am new to MySQL and thinking to use MySQL for my new Java Project which creates a database on the local client machine and uses it to perform all data operations. But before proceeding with MySQL I'm in a bit of doubt that I have MySQL server installed so …

web.config [CODE] <connectionStrings> <add name="Conn" connectionString="Dsn=odbc_OnlineAcc;uid=sa;pwd=12345" providerName="System.Data.Odbc"/> </connectionStrings> [/CODE] C# [CODE] string connect =ConfigurationManager.AppSettings["Conn"]; OdbcConnection odbcConnection = new OdbcConnection(connect); odbcConnection.Open(); [/CODE] error message is "connection property is not initiated"; How can I solve it? Thanks to all................

So, I'm trying to assign some SQL to a variable which will later be executed in the code. I also want to include a varible inside the SQL. I am only allowed to code over 80 characters and then I have been told to use a black slash, now this …

I have several different classes and they have graphics in them. I told java to repaint in a class class called LongitudinalWaveGraphics, but it repaints a class called ResistorCCGraphics. Why is this? Thanks for the help. if you need any codes then I can post them.

[code] def main(): decimal=int(input('pleas enter a binary sequence: ')) number=binaryConvert(decimal) print("Contert to decimal: ", number) def binaryConvert(decimal): if decimal == 0 : return '0' elif decimal==1: return '1' number='' while decimal == '1' and decimal == '0' : number=str(decimal%2)+ number number=number main() [/code] but i did work well with me …

Hello! I'm declaring a line at the top of my code window. [CODE]Dim sTemp as String = textbox1.text[/CODE] I have no idea why. I tried commenting a few things related to the code but none of it makes it work. Any ideas?

Hey all, I have a program(using wxWidgets & MySql++ on MINGW) that has to have some Bluetooth Interaction with an Android App. The problem is that I am having trouble finding a framework(API) that would help me send,recieve data over Bluetooth with other applications. I searched and searched all over …

Anyone ever used the PIL (Python Image Library)? If you have, is there anyway to convert a single pixel at a time in a bmp file? I'm trying to invert a black and white image to white and black. So: [code=python] import PIL image = Image open(filename) pixels = list(image.getdata()) …

i have a problem with my insert function using web services.i can't figure out where to fix.....does anyone have idea abt it ???? this is the error is when i run the web services [CODE]Description: An unhandled exception occurred during the execution of the current web request. Please review the …

(question3.py) Write a word jumble game. In a word jumble the letters in a proper word are randomly mixed up and the user has to guess what the word is. The list of words to be jumbled can be found on D2L - jumble.txt. Here is one possible way to …

Hi frnz, i am having text file , in that "ID", "firstname","lastname","email-id","phoneno" is the first row and same column name i have declared in gridview, i am also having update and delete option in gridview . now what i wanted to do is when user clicks on perticular record from …

hi I am a beginner. I am building java application which is like a form. First the user fill the whole form and the click OK. I want to do that as the user clicks OK all the items entered in the JTextField will save in the variables that I …

Hello I'm coding an algorithm based on genetic programming with tree structures in C. I implemented tree structure using recursive structure pointers **The traditional way** [CODE] struct tree { int val; tree *left; tree *right; }; tree a[10]; tree b[20]; void main() { generate (); // this generates me 10 …

Hi, I'm trying to convert a textfile which is set out like this: 1[Tab]Hello 2[Tab]Test into a Python dictionary how would I be able to do it? Thanks

I created a .txt file with 20 lines of text. I need to read a random line. This code works for the most part: [CODE] Random r = new Random(); rand = r.Next(0,20); //rand is a predefined variable StreamReader reader = new StreamReader("Answers.txt"); answer = reader.ReadLine(); string strAllFile = reader.ReadToEnd().Replace("\r\n", …

Hi. Visual C++ reports error 2440 for the following code: struct a_t { int i;}; struct b_t:a_t { int j;}; b_t* pb = 0; a_t* const * ref_pa = &pb; // Error 2440 reported for no reason at all. I cannot see why this should give an error, the base …

I'm trying to draw a "selection box" with a Graphics created with an HDC to the PrimaryScreen, but it doesn't appear to update properly, as in when I draw something it tends to stay there. Am I doing something wrong, or is there something I'm not aware of? [disregard] Actually …

I'm trying to run simulataneous do while loops but whichever loop is reached first is run and the other isn't. Here's my code; [CODE]namespace sync { public partial class Form1 : Form { int s = 0; public Form1() { InitializeComponent(); } private void button1_Click(object sender, System.EventArgs e) { s …

so i am trying to learn java on my own as a hobby, because well i didn't see my self doing this for a living, and i did terrible in the class, so i am going over the text book again, and starting from scratch. i am not sure if …

Hi there I am having a frustrating and strange problem. I am building a particle system. As a result I need particles to reset there variables to be reintroduced into the system. I have had it working in the past. I run through the system once, when the particles pass …

I have a basic questions. I have written a program in C++ and I would like to create a GUI for it. I have a book Microsoft Visual Basic C++.net that has a great tutorial, but its in clr/c++. Is it possible to program a GUI in this language in …

I wrote a small program to demonstrate a problem im having with a bigger one so you dont have to look thru so much code. I'm having problems when I convert a double to an integer. [CODE]#include <stdio.h> #include <stdlib.h> int main(void) { double dNum; int iNum; char sNum[15] = …

hello i want to know how to change the text alignment example text from left to middle in listbox also i would like to know how to make the text appear automatically when i run the program example in listbox "Welcome To Atm Machine" that's the problem thanks everyone

I have URL like this: [code]http://www.site.com/app/index.html#secret_code=gagh362%%23atg._f46&other=5449[/code] I need to pass gagh362%%23atg._f46 part to a string. All the examples i find are for simple PHP parameter parsing and i'm having difficulties to adapt them to this case. Can someone help?

Hi all, I would like to format a column in datagrid with 2 conditions. The column must be entered with only "N/A" or date (DD-MMM-YYYY) format value. [CODE] If Me.grdDataGrid.DataFormats(10).Format <> "N/A" Then MsgBox "Invalid Data Entry!", vbInformation Exit Sub End If[/CODE] The code above still produce "Invalid Data Entry" …

Hi, i'm tryin to use windows authentication to log into an application i have made. I have already worked out how to get the username but i can't figure out how to get the password too. Is this possible ? if so can anyone suggest any ways to do this …

Hi dudes, I currently learning mfc and I wrote a modeless dialog canculator app for my job. As soon as I tried to launch the app I get error msgbox saying "inoretly installed app.."(the exe file was copied to another conputer). My target OS is xp 32, while I am …

Hi! I'm trying to use a base class derivative in another derivative class constructor but it's not working. Here's what I have: [CODE] class A { ... }; class B : public class A { ... }; class C : public class A { C(A objA); } [/CODE] However when …

I'm working on a script in python,tkinter that draws a triangle and moves it around the screen. unfortunately I can't get the arrow to move. I've tried using canvas.move() but that wants an x and a y not the set of 3 coordinates I have to make it a triangle. …

Was wondering, is it possible to create a class which has the majority of your keypress controls? Like allowing just letters or numbers in a textbox etc.... To make things clearer what i exactly want. I have a textbox on my form. This is a textbox for the postcode. The …

I have no idea what is going on here, first, the code: [CODE] #pragma once #include <stdio.h> //#include <stdafx.h> #include <allegro5/allegro.h> //#include <allegro_image.h> class DisplayController { public: int bitmapx; int bitmapy; // ALLEGRO_DISPLAY display; ALLEGRO_BITMAP *crosshairs; ALLEGRO_EVENT ev; ALLEGRO_EVENT_QUEUE *event_queue; void display() { this->event_queue = al_create_event_queue(); al_register_event_source(event_queue, al_get_mouse_event_source()); al_wait_for_event(event_queue, &ev); …

[code]def cDownload(): print("Enter package name ") sName=input print("Enter download location ") sLocation=input command = "wget http://aur.archlinux.org/packages/" + sName + "/" + sName + ".tar.gz -O" + sLocation + "/" + sName + ".tar.gz" os.system(command) [/code] I get TypeError: Can't convert 'builtin_function_or_method' object to str implicitly

ok someone please explain popen to me it runs subproccesses does this mean it can run programs from within my program? any help would be appreciated , there is not an easily spottable place that explains this. Thanks

Hi everyone, Here is my problem: I have different data files each with several columns and row of data. datafile1 , datafile2, ... Now I need to do some simple math procedure of this data files, Lets say I need to add the 3rd column of datafile1 to the 2nd …

Why I can't compile without the [B]using namespace std[/B] line? I need to add .h in some libraries in order to being recognized by G++, but some others works without the .h extension. Why is that??

I have added a png image to a table in the database as a BLOB. Adding the image into the database is trivial. However, being able to display the BLOB back to the .png image format is bewildering me. Examples are hard to come by... How to display the BLOB …

I am trying to read a long integer value from an Access database, do some math to the number, and save the result back to the database. I've never had a problem doing this with VB6, but with C# it is throwing an error when it tries to Update the …

Hello guys, I am pretty new at (good) programming, so I had some pretty bad code I was using until I ran across some code and decided to model my code after it. I have the code so it has no errors, but when I run it (NetBeans) it doesn't …

Hello everybody! I have two questions about pointers and would be grateful if someone gave me some help. 1. When we use a table's name as a parameter the table is used as an address (the address of its first element). I mean, when i call a function that has …

Hello all, I have a window with a JList inside it. I would like each line in the JList to show up in a certain font. But when I try the 'setFont(font)' method where 'font' has already been defined it say that it cannot find the symbol 'setFont(java.awt.Font)'. Here is …

Hello, please can I have some clarification to check I am not doing something very stupid? It seems sensible with all that I have read, but I'm not confident. I suspect I have memory leaks and want to make sure some fundamentals are correct before I start looking deeper. My …

I have this file that contains an instance of some Machine object. When I compile the file I have, it says that the class uses a deprecated API, meaning the Machine object. I tried looking for it in [URL="http://download.oracle.com/javase/6/docs/api/"]this[/URL] link, but I find nothing. I was wondering if anyone who …

hey, i'm supposed to prompt a user to enter 6 sets of numbers, find the difference of each set based on which number is greater(so that no negative number will be seen, enter the difference into the array, rearrange the array in ascending order and then print the array. the …

Hello All I have little confusion between Abstraction and encapsulation. Abstraction means Giving only essential things and hiding unnecessary details. Encapsulation means binding the data members and methods together in a capsule form to avoid accidental changes to data from external users. Now both uses hiding of data. What is …