Software Development Forum

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 …

Hi guys this is the first time ive posted to this forum, and ive tried getting my answer by asking others and google, but what i'm after is to complete an assignment that is asking me to complete a program that basically works as an ATM machine. it reads in …

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 have this long Q and I must solve it to get bouns or i will fail :( Develop a statistical program to compute the famous statistics. First, create a text file, data.txt, contains several observations. Then write a java program that displays the following menu: Main Menu …

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 am having some major issues with OpenGL textures. I have the following code to load a glTexture (typedef ed as a GLuint): [CODE]glTexture LoadBMP(const char *fname) { HBITMAP hBMP; BITMAP BMP; glTexture texid; glGenTextures(1, &texid); hBMP=(HBITMAP)LoadImage(GetModuleHandle(NULL), fname, IMAGE_BITMAP, 0, 0, LR_CREATEDIBSECTION | LR_LOADFROMFILE ); if (!hBMP) return NULL; GetObject(hBMP, …

I have a java project, which runs fine on eclipse. Right now, I need to run it from command prompt, like java classpath ... How to setup this classpath based on the stored ones using in Eclipse.

Hello, so I've been working on a simple Tic Tac Toe game using TKinter graphics GUI. However i keep getting this error, and i'm not sure why. Any help would be greatly appreciated. Heres the code [CODE] import graphics import random def constructBoard(): win=graphics.GraphWin("Tic Tac Toe",500,500) win.setCoords(0.0,0.0,3.0,3.0) line1=graphics.Line(graphics.Point(1,0), graphics.Point(1,3)).draw(win) line2=graphics.Line(graphics.Point(2,0), …

Hi, I have a jFrame with a couple of jLabels, designed in Netbeans so most of the code is generated. If I want to change the text of the label, I use .setText() inside my jFrame and it works great. Now here's the problem. If I just make a String …

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] = …

Sorry guys if Im repeating myself here, but ive search through the first page of search results and didnt find what I was looking for. Basically, I need to create a Multi-Tabled Database, anyone of you who are familiar with Access will know you can use forms to browse through …

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 need to run a javascript page from my app and receive the page that results from the script on a String. This is my code: [code=java] try { URL testurl = new URL("http://www.site.com/page.html"); try { String s=testurl.getContent().toString(); System.out.println(s); } catch (IOException ex) { Logger.getLogger(App.class.getName()).log(Level.SEVERE, null, ex); } } catch …

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?

i was going thru an column in a book, which says:- For both classes and structs, you use the keyword new to declare an instance. This keyword creates the object and initializes it. Now if we use new operator for structures, then why is it not stored on heap???? I …

I'm making an application associated with MS access for its database... I set one of the field to text and the other to object for images..but the object suggest to insert pictures through paint.. [COLOR="Red"]Is it possible for animated images(gif) in ms access? I'm getting stuck with bmps... [/COLOR] -------------------------------------------------------------------------------- …

Hi All, <client> <description>KKR</description> <rits>Test</rits> <time_zone_code>US/Central</time_zone_code> <directory_code>Foler</directory_code> </client> I need to fetch the above and put it in the form HTML FORM. Note : Must make use of Xpath,(Identity Transformation)

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" …

I want to compare a list of files with extension .rtf in my directory with a list of files at a given url and download the files at the url not found in my directory. This is where I am at but cannot figure how to filter a list based …

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 …

The result for the code below is "ex [6, 7, b, d] [6, 7, b]". Therefore I am wondering how did the exception take place and why is the value 3 missing? [CODE] import java.util.*; public class Exam6 { public static void main(String[] args){ TreeSet<String> t1 = new TreeSet<String>(); TreeSet<String> …

good day all am osagie by name. i have just developed my first mfc app. now i want to go ahead to sell it to people. but : 1.how can i write a batch or whatever that will automate d installation of this product? 2. i also want to implement …

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 …

This I did also after 'spying' discussions in other forum. Of course you would use sieve prime generation for bigger numbers, but I proved other simple way for a change. Slightly more advanced primes list generator would use primes % 6 in (1,5) property: [CODE]def primes(n): """ primitive non-sieve prime …

I'm getting an "Object reference not set to an instance of an object" error with this line of code: [code] t1.FindNode(rs.GetString(4)).ChildNodes.Add(node); [/code] Here is all of the code: [code] using System; using System.Data; using System.Collections.Generic; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using System.Configuration; using System.Data.SqlClient; namespace TreeViewProject { public partial …

I have a program due tonight and the GCD keeps returning a 0 but when I change the following to like 2 or 3 instead of 0 it will return a 2 or 3 for gcd so something is not passing right. Can someone please show me what I need …

Hi everyone, I've recently started learning C++ and was wondering does anyone know any good networking tutorials for C++? I've tried searching but alot of them seem to be a bit over-complex - I've done network programming with Java in uni and a good bit of C++, but was hoping …

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 running into a snag using the [B]_emit[/B] pseudoinstruction, but more accurately a snag using the C preprocessor. I have an array of op codes from which I want to randomly select one and _emit it into the program's code. Here is an example: [CODE]unsigned char opcodes[] = { 0x60, …

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); …

I need help. I am very illiterate in Python and the like and I have a chunk of code that checks to see if a page updates and then posts it onto a forum. I need to alter it (hopefully) to check to see if an RRS feed is updated …

[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 want to remove all lines in a text file that start with HPL_ I have acheived this and can print to screen, but when I try to write to a file, I just get the last line of the amended text printed in the new file. Any help please, …

Could someone explain to me what it returns? int result2 = negative(-3); System.out.println("The final answer is " + result2); [B]public[/B] [B]int[/B] negative(int num){ [B]if[/B](num >= 20){ [B]return[/B] -5; }[B]else[/B]{ [B]return[/B] negative(num + 4) + 2 * num; } }

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 …

Hi all: I would be very grateful for advice on an Xcode (3.2.2) problem. I use Mac OS X 10.6.7. I have written C++ code that requires outside code. The outside code 1) requires a license and 2) has dynamic libraries. The outside code does run in a terminal, but …

I've tried to search for a simple formula to do this but I can't find any that works for my program. I found this: (n^2+n)/2=sum, n being the last number in the "series", but it only works if the first number is 1(which mine is necessarly not, since you should …

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 …

Hey, so im making this game, and at the moment im using PlaySound() which is a function of windows.h to play my sound files. Ive got a problem though, i now want to be able to play more than one sound at the same time, and only now do i …

Hi experts, well, nearly 10 years after .net became the mainstream I am finally making the move to vb.net after having supported VB6 apps all this time. I have been learning vb.net 2010 but am finding it difficult to find relevant information on the COM aspect. In VB6 COM was …