Software Development Forum

Hey guys, Working on a project to calculate the standard deviation of an array. Instructions call for a program that will allow the user to enter a list of test scores with 999 as a sentinel value. Then a method calcStDev is invoked with the scores array as a parameter …

I'm new to C#. Trying to learn and implement an RFID application. I'm reading a RFID using serial port and the data is available in rtbDisplay. 11 01 B0 00 01 03 01 E0 04 01 00 0C E0 10 88 7B 61 How do I extract certain data (RFID …

I've used SQL authentication and windows authentication in my connection strings to SQL server just fine. I've got a login form that the user has to put their username/password in and it verifies to AD to ensure that is who it is and then logs in. Currently it is set …

I need to split the below string: line.long 0x0 " MIDR, Identity Code Register" I have used space , as the delimiters. the code should give output in such a way that Command Name: line Size: long Offset : 0x0 short name: MIDR Long name=Identity code register. The problem is …

I'm using SDL to make a game and I'm using frame independent movement, everything works fine with no gravity or acceleration: [CODE]boxOffsetY += yVel * ( DELTA.get_ticks() / 1000.f );[/CODE] The box moves accordingly, no matter what frame rate i use. But when i try to add gravity: [CODE]yVel += …

Hello, everyone, I'm new to wxPython I want to write a small program that link the menu in one frame with another frame that I created after. I've tried to use like EVT_BUTTON, but it won't work. How am I supposed to do this? Thx for any help

in this code i have logical error its give me wrong output [CODE]import java.util.Scanner; public class OneFile { static final int MAX = 100; static final int READ = 10, WRITE = 11, LOAD = 20, STORE = 21; static final int ADD = 30, SUBTRACT = 31, MULTIPLY = …

I have to do this project for school that finds the Standard Deviation. The first part of it, which has to build an array from scanner with a while loop, has been killing me today. The problem is that my teacher wants a program that will allow a user to …

I'm developing a calculator, it will give all of the functionality of calc.exe; however it will have a few of my own adjustments that I use constantly and have to do on paper or with different methods on calc. I need help with subtraction, multiplication, and division the most. I'm …

While correcting errors in someone else's code, I decided to completely rewrite the original script, and improve upon it. This is the basic code for making 3D arrays using dictionaries. [code] ar = { (x,y,z):0 # creating the array for x in range(3) for y in range (3) for z …

I know that by default member functions of a class are inlined [CODE] class d { public: int a() { return 1545435; } }; [/CODE] And I also know that it's not allowed to declare functions in headers unless they are inlined. Is there a way to declare a function …

Alright, I have Textbox where I want only Numbers and Letters and backspace allowed. I don't want copy and paste, or spacebar or other ascii charachters. Can anybody help me?

I am working on the Tkinter.......i need progress bar in determinate mode........ can some one please give simple example of it, i m getting confuse in start, stop and step method of the progress bar Thanks a lot....;

Hi guys, I have written a program that writes a .csv file readable in Microsoft excel. Is there a way I can launch the file with Microsoft excel once I compile and run the program? [CODE] #include <iostream> #include <cstdlib> #include <fstream> #include <cmath> using namespace std; int main() { …

Trying to add a key keylistener to a program i am making but it wont work. cant find the reason :/ any help would be awesome:) Display.class [CODE]package com.mono.main; import java.awt.Graphics; import java.awt.Graphics2D; import javax.swing.JFrame; import javax.swing.JPanel; import com.mono.main.handler.Controller; import com.mono.main.handler.Game; import com.mono.main.handler.InputHandler; public class Display extends JPanel implements Runnable …

I cant seem to find anything useful on the web except adding outside libraries for this one help is required. I wrote a program that you can say builds a database of users and their passwords. the program loads the users from an existing file already into a hashtable. now …

hello all how to make window's short cut that call command line: java javaclassname.java thank you denny

[b]C# text encoder / decoder[/b] [i][u]Please note that I'm not a professional developer and I might make simple mistakes because of that, I'm also dutch, and 14 years old, so please keep that in mind before you reply. thank you C:[/i][/u] My brother came up with an idea to encode …

[B]My project is Housing reservation system for University I design the interfaces by VB and connect to my oracle data base account Oracle 11g, VB express edition are used The proble is with the login form [URL="http://im20.gulfup.com/2011-12-23/1324652639153.png"]http://im20.gulfup.com/2011-12-23/1324652639153.png[/URL] when I debug and enter the ID & password for User : according …

Hey - Sorry if this is an irritatingly simple problem, but I'm a newbie to the Java language and I can't see where I'm going wrong with this. I get an error with my code when trying to define 'label3' - "cannot find symbol - class Jlabel". It seems to …

hi can someone help me to make a calculator as required? Create class Calculator. This class must contain the following features: constant PI constructor that accepts two integers, operand1 and operand2 method for writing values ​​and operand2 operand1 methods for calculating the four operations - addition, subtraction, division and multiplication …

I am having difficulties with placing images on Buttons using Java Swing. I have placed all images in a package named icon. The frame is loading as well as the buttons. I cant seem to get the images on the buttons. Can anyone point out my mistake please. [CODE]public Launch(){ …

//create the images folder and past all images into that u want to display... import java.awt.Color; import java.awt.Dimension; import javax.swing.ImageIcon; import javax.swing.JFileChooser; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.SwingConstants; class my { public static void main(String args[]) { JFrame f=new JFrame("Web layout..."); ImageIcon pic1 = new ImageIcon ("images/3d.png"); ImageIcon …

I am trying to store data from two variables in a text file .. and then try to get the data back and output it on screen but somehow the following program is not working as supposed to be. I first enter data in the two variables n1 and n2 …

I an a newbie to assembly language, been reading jeff duntemann's book, and I have been trying to write some code by myself too. There is an example in the book on converting binary values to hex values. I decided to re-write the code again by myself for self-practice but …

my program freezes when I put this code on a button, but when I put it in the main it doesn't what could be the problem? protected void EstablishClient() { try { skt = new Socket("some.ip.of.me", 4444); out = new PrintWriter(skt.getOutputStream(), true); in = new BufferedReader(new InputStreamReader(skt.getInputStream())); txtRecvd.append("Received string: '" …

I am trying to import all the classes present in a user defined package, by using the statement as import mypack.*; but it's not working in my program. [B][B]Its Giving error : C:\Users\Nitin\java>javac AOTest.java AOTest.java:6: cannot access AOperation bad class file: .\AOperation.java file does not contain class AOperation Please remove …

How can I get SQL Date and time into statusstrip with timeer control

I need to basically rewrite grep command: method is suppose to take an exact string and an exact filename as the 2 arguments grep<string><filename> then it has to search through the file for the string and print out the "line" and the "line number" the string is in. example #grep …

The title says it all. Basically what I'd like to do is have a JComboBox drop down with a list of items. When the user clicks on that item it will redirect them, or open a new browser tab, of the url to that specific item. Quick example (these sites …

[CODE] #include <stdio.h> #include <stdlib.h> int main() { FILE *fp; char ch; fp=fopen("exp.txt","w"); while( (ch=getchar()) !=EOF) { putc(ch,fp); } fclose(fp); return 0; } [/CODE] I am using gcc compiler in linux mint This code is not working only exp.txt is created which is empty.

I am writing a C# program that reads in a text file of a list of events followed by a date and time, delimited by a comma and prints it out to a textbox along with how much time is left till that date and time happens. It must read …

Hey guys I have to write this program for AP Computer Science. It involves writing a main where it brings in a txt file with values, and reads all of them. Eventually, I have to modify it to read the values in to an array. Right now, I can't get …

And the question is - how to include a window inside the window? I want to include at my main window with options and buttons one other with Direct3d graphics on another thread.

I am new to c# so please don't laugh at me :icon_biggrin: i have a database called database1 in my program , when i create a setup file and lunch it in another computer because the database isn't attached i will get many errors , how can i attach it …

////////////////////////////////////////////////////////////////////////////////// // Now I have an idea how to get my strings from the file so that I can properly // play with them (with fstream I did not have the string "in my clutches" quite // the way I wanted it). However, now I have a problem with my …

Hi all, I'm a long time reader of the forums and thought this would be a good place to ask a question. For the record, I am very new to Java! Basically, I have a [I]MainClass[/I] which inherits JFrame, the constructor for which sets window size, title etc. It also …

[code] main() { if() { if() { if() { something () /* something so that the program executes the last line means last printf without using goto ststement */ } } } printf("hello"); } [/code]

Hi, I'm using Codeblocks as a compiler. So when i'm creating a new class by following File>New>Class it creates two files xxxx.h xxxx.cpp Ok, code is simple. [CODE]#include <iostream> #include "Sally.h" using namespace std; int main(){ Sally so; } [/CODE] Sally.h [CODE]#ifndef SALLY_H #define SALLY_H class Sally { public: Sally(); …

Hello! can you give me some ideas on how I can make the field values to field names?

I have two For loop, first For loop does is creates a customer and input the customer info and then the second for loop within the first for loop does the follows which is capture the customer name and verify the with the data within the datatable. The problem I …

hi Friends can you pl help me to create a simple snake game. give me with step by step creation. thanks.

Hi I have a class which has alot of tasks related to multiple classes. the tasks are add, modify ,delete, write on a file and read array from a file.all theses methods operates on objects of other classes as a member variables. In other words, I have to perform a …

Hi i am looking for simple intranet project in java with mysql.Can anyone post this kind of project or suggest some sites. Appreciated if u replay on this. Cheers!

I want to extend JFrame needed for my GUI program but i get this.. [URL="http://imageshack.us/photo/my-images/209/screenshot20111226at163.png/"]http://imageshack.us/photo/my-images/209/screenshot20111226at163.png/[/URL] how do i solve this?

i am trying to write a program for friend functions but it isnt working. :( [CODE] #include <iostream> using namespace std; class Z; { private: int a; friend void fn(); }; void fn() { Z one; one.a=5; cout<<a<<endl; } int main() { fn(); return 0; }[/CODE] can someone please tell …

Alright, I decided to try ClanLib. I've been reluctant to use it, because it requires Visual C++, which is foreign to me. I usually use Code::Blocks. Anyway, I'm trying to get the hang of VC++. It seems to have a lot of features I haven't dealt with, like solutions. To …

I've got a .txt file with lots of passwords in, in the following format: (passwords must be between 12-15 characters) password1 password2 password3 i want to use a text box that allows the user to enter a password & upon the correct password being entered they are allowed to proceed …

Hi, I want to know how to make a C++ wrapper class. Ex. Plugin.hpp if i have coded for Plugin.h and Plugin.cpp

hi guys trouble again, i want to print year from 1980 up to 2050 using loop in richtextbox and apply newline every print. thnx in advance guys