Software Development Forum

I'm having small issue with drawing on panel. Neither image or text appears, however background is set correctly therefore it has to be due some issue inside my paintComponent() method. [code=Java] import java.awt.Graphics; import java.awt.Color; import java.awt.Dimension; import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; import javax.imageio.ImageIO ; import javax.swing.JPanel; public class …

Hi All, Actually i want to dispaly the results of a select statement in a TextBox. Pls anyone give me an idea how to do it. Thanks

Hello there! can anybody here point me to any GUI programming in Linux tutorials. Been googling around but no good hits. Thanks.

if using tomcat with eclipse plugin everything works fine through the eclipses built-in browser. is it suffice to say if i copied the eclipses project to tomcats webapps it should work as well? heres how my eclipse project looks like: [URL="http://i40.tinypic.com/315e713.jpg"]http://i40.tinypic.com/315e713.jpg[/URL] invoking html is in WebContent\ WelcomeServlet.html proccesing .class in …

How do you close a QTabWidget? I have the code but when I click on the close button nothing happens.

I know how to store data into a database if I know the value of what I am storing. For example: [CODE]sql="INSERT INTO nameDatabase (name) Values('Joe')"[/CODE] However, I want to be able to store data that I do not know the value of into my database. So I can prompt …

the following is a simple program that fragments standardized name consisting of 3 letters and 2 numbers then prints the full word, for instance spa11 print spanish eleven. Why is it not working? [code=c] char sname[4]; char snum[3]; // void strnumCpy(char *dest, char *source) { // NOT ACCURATE void strNumCpy(char …

hi all ..how are u ? i have a security project in java ...i have to implement the DES cipher and the Stream cipher ...with GUI ..where can i find a working source code for these ciphers ...can someone help plz ...and thnx in advance?

I am running into a baffling problem with my code. I am supposed to write a program to average the test scores for an entire class of students. In each case, the student should have taken 5 tests. You are to average the 5 tests. The program run should look …

[code]double F_Ite() { //Main Function Start //Locally Data_type Declaration And Initialization : int numElement =20; double *a,*b,*c,*d,*Fc,*Fd; a = new double[numElement]; b = new double[numElement]; c = new double[numElement]; d = new double[numElement]; Fc= new double[numElement]; Fd= new double[numElement]; for(int k=1;k<(NI-1);k++) { //Main 'for' Loop Start std::cout <<"\n"; system("pause"); std::cout …

Im new at C++ and am trying to teach myself. I want to ask the user of the program why they are feeling a certain way, but not do anything with the sentece. So its like -how are you feeling?- user -good- -why are you feeling good?- user- blah blah …

I need write simple script,but I just started and don't know how to do this at all. And I need it before tomorrow. This is what I need. 1) Create a directory FileData and place four files into the directory. This part, I already did, but second still exist. 2) …

Hello I am doing an C++ exercise and the task is to write a program that prints all INT values between 32 to 255 and the corresponding ASCII characters. I have declared the variables to store the ASCII character and the INT like this: [code] unsigned char unchar; int i; …

I can't figure out how to write a program that can play multiple sounds at the same time. I tried doing some pretty complex things with the Beep function but I finally gave up. Is there any function or something to that extent out there that will let me play …

Hello I'm making a program where the user will be able to organise their orders so they see which ones are complete and incomplete. I want to allow the user to be able to delete an entry from a file (*.txt) as this will be used in two ways: 1. …

Im kind confuse about how PostQuitMessage works.. Im using like this: [CODE=cplusplus] case WM_CLOSE : DestroyWindow( hWnd ); break; //send WM_DESTROY case WM_DESTROY : CleanUp(); gsp_quit = true; PostQuitMessage( 0 ); //send WM_QUIT break;[/CODE] That is on my WndProc function. My message loop is like that: [CODE=cplusplus] while ( !gsp_quit …

I'm having trouble using my homemade .h files in my multi-source projects. If I I only include the .h in one of the sources I can't use it in the others. But if I include it other sources it's considered redefining the include and it won't compile. Other .h's besides …

let say i have a very small functionality in one of the classes of a very big windows application project. i want to use that functionality or let say variable from a class library project, since the functionality i want to hire is not even 1/1000 of the who windows …

[code] import os import csv ifile = open("C:/Python26/testdata.csv", "r") [/code] here is the error i get: Traceback (most recent call last): File "C:/Python26/06_June_2009/testhenry.py", line 4, in <module> ifile = open("C:/Python26/testdata.csv", "r") IOError: [Errno 2] No such file or directory: 'C:/Python26/testdata.csv' I have no clue what to do. I can't read …

Hi Every one. i have three timespan t1 =00:10 t2=1:20; and t3. where t3=t1.Add(t2); now t3=1:30 how i can convert this to 1:30Am or 1:30PM Please any one to help me....... Thnx in advance

Good Evening All Am amazed that i cant use the Replace Function , its Probably the long that i had. i have the Following code [CODE] String Username = "Vuyiswa"; String Password = "secret"; String strBody = @"<p>Thank you for using !obooking System <br><br> Username:(Username)<br><br>Password:(Password)<br<br>Kind Regards !oBooking</p>"; strBody = Regex.Replace(strBody,Username,"(Username)"); …

hi I am badly stuck with inserting and retrieving Date in SQL DB from C#. I have a C# application which needs to save date in SQL 2008 Database for various purposes. The format in DB is DateTime for my DateColumn and i am using Datetime Picker in my c# …

Id like to edit a file. At first i thought this was going to be easy, but now it appears quite complex. As i understand it there is no standard way to delete part of a file? im storing data on different lines in the file, and want to target …

Hi Every one. I have an MS access database table in which i have stored a data type of date/time in short time format. When i access the table from c# and diplay it into a data grid view the column in short time format diplay as long time format …

I am new to writing assembly in linux and I need help with the sys_read call. I am using nasm and I would like to read input from the keyboard. I know how to set the call up but what do I use for the file descriptor. I can not …

I need to change a character inside of a string in a list ex horizontal=2 across=2 List=['abcdefg', 'hijklmno', 'pqrstuv',] I would want to change just one character like the third character in the third string(but I don't know that the program will know using horizontal and across) to 'd'. if …

I have a textentrydialog and my goal is that the user cannot leave the the text entry blank or just empty whitespace. So the dialog should not go away until the user enters some characters in the box or hits cancel. This is what I have: [CODE]def OnNewButton(self,event): error=1 while …

Hi, i know my following question may seem rather stupid but im having some problems understanding the static concept especially in the following code and id appreciate some help. [code] 4: using System; 5: 6: public class myClass 7: { 8: static public int sctr = 0; 9: public int …

Hi all, I would like to be able to show all the websites visited on a machine. How would i go about doing this. Thanks

Hello, I am developing a library, which untill a few days ago was working perfectly. With some changes I needed to perform I started having a segmentation fault. The problem is that I cannot understand why the fault is happening since the conclusion from gdb is the following: [code] Program …

Hi I am trying to display time in a text box which updates itself every second. I am using visual C# and I am pretty new to it. (My first program in visual C#) (Actually its part of a little bigger problem in which I have to implement a timer …

Hi, Is there any (free) graphical engine for Visual Basic .Net that can be used to show 3d graphics and/or create games? Anything is appreciated... Thanks,

How can I stop processing in a sub so that the user can choose an option button for input?

i've been trying to make simple programs and downloaded python 3.01. unfortunately i have no programming experience, and am a bit stuck despite searching around the tutorial, library, etc. (please forgive if this question is already answered somewhere) my first attempt at a program is >>>print (hello world) hello world …

Can nyone tell me how to relatr combo boxes???? i hv used this code bt this is throwing exception ......ny help would be appreciated .I hv jst started wworking on c# i hv used the following code nd i hv populated the cmbschoolcode in loading of my form [code=csharp] private …

Hi i have a program that currently reads in the contents of a file and stores it in a string. Some of the files are quite large so speed is quite important. I want to print out the words that begin with capital letters and was wondering how i could …

A wierd thing is happening guys, when i start the application without debugging everything works fine, when run the application in debug mode, it stops responding whether or not it hits any break point.

Hello, I want to read a text file in C and the output file must be created and want to reverse the data in tat output file created. So i used the below coding but not reversing the data in the output file created. eg: input file contains this data …

[CODE]Could not connect to: : 50404 java.net.ConnectException: Connection refused: connect at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333) at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366) at java.net.Socket.connect(Socket.java:520) at java.net.Socket.connect(Socket.java:470) at java.net.Socket.<init>(Socket.java:367) at java.net.Socket.<init>(Socket.java:180) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.connect(RemoteTestRunner.java:560) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:377) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196) [/CODE] has anyone run into this issue and or find a fix? I've not been …

okay i understand all bitwise operators but in the chapter of k&r at bitwise operators i m really lost at there question i have no idea how to do them Exercise 2-6. Write a function setbits(x,p,n,y) that returns x with the n bits that begin at position p set to …

I know that, in python, to start a file with it's associated application that is located on my hard drive I can simply use os.startfile. However, I want to be able to start a file with it's associated application that is located on an ftp site. Does anyone know how …

[code=cplusplus]#include <iostream> #include <cstdlib> using namespace std; int main() { cout <<"enter the problemset and number""\n"; //problems represents name and numbers string problems; string problem_name_and_numbers=problems; string numbers; char quote; int total_length=problems.length(); //gather name if(cin.peek()=='"' || cin.peek() == ''') { cin >>quote; getline(cin,problems,quote); int problemslength=(problems.length()+1); int difference=total_length-problemlength; numbers=problem_name_and_numbers.substr(problemlength,difference); } else { …

Hello guys help please i'm trying to write to a disk and append it whenever i open the program i can add to it instead of witting a new one StreamWriter Write; Write = File.CreateText("c:\\TestFile.txt", FileMode.Append); Write.WriteAllText(txtOutput.Text); Write.Close(); MessageBox.Show ("File Created SucacessFully"); getting this error:- No overload for method 'CreateText' …

Hi, I am trying to write some code which uses a JSlider to specify the number of lables to be displayed on a frame. I know how to create the JSlider and display it, but I am not sure how to implement different numbers of lables. I hope someone can …

each time i hit run button to deploy my mobile application, it keeps asking whether to deploy .net framework which already is installed. i want to disable that compact framework deployment. do you guys know how?

hi i have created two combo boxes which contain locations and floors. After selecting the location from the first combo need to filter the floors allocated to the selected location, to the second combo. i have allocated floors to locations in another table called floor allocate. can somebody pls help …

How do I make a tooltip with summary appear for cutom defined functions just like the one that appears for inbuilt functions with VS 2008 Like when I type List.Add() a tool tip says what the inpute params are and what the add functions does I have tried writing comments …

hey, i am creating a basic game, something a bit like space invaders but only 3 levels long. I'm haveing trouble moving from Form2 (level 2) to Form3 (level 3), Form3 opens, Form2 closes, and I want the start menu (which is on another form called Start) to show if …

In the application that I am building I have a log window that contains a listview control. This listview control has two columns, a time stamp column and log description column. When an event happens it is added to the listview. The problem is that when about 15+ events happen …

I am having an inordinate amount of difficulties locating an example of how to display Unicode using Lazarus and FPC. It's supposed to be fully UTF-8 capable now, yet all I get are question marks for text strings, or else little skinny boxes in place of the characters. Can someone …