Software Development Forum

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

[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 …

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(){ …

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

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 …

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 …

////////////////////////////////////////////////////////////////////////////////// // 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 …

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?

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 …

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 …

Hi every body How to find smallest number and how many occurrence with the user input numbers until enter 0 ? this my code ....... [CODE]package javaapplication101; import java.util.Scanner; public class JavaApplication101 { public static void main(String[] args) { int num = 0 , min = num ; int count=0; …

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

Hello, I'm new in Java and this is my first post here. I was doing my homework but faced the following error: [QUOTE]c:\java\my box\Login.java:25: variable p might not have been initialized if (p == pass) { ^ 1 error[/QUOTE] You can see the main code bellow: [CODE]import java.util.Scanner; public class …

I have a form that has a ton of work ongoing for around 10secs such as moving controls, resizing them, hiding some, making others visible and more importantly, mouse moving and clicking. I don't want the user to see these ongoing stuff so I thought of making a splash screen. …

Hello people... I got a problem here.. I am using a vb 2005 and mySql as my database. I already created my project but it seems like when i edit my program.. it doesnt apply. What might be the problem? Is the vb.net application, MySql or the OS? Thanks in …

I'm creating a C# program that has a sizable textbox that prints out data every 5 seconds. Whatever data that is displayed is (supposed to be) cleared and replaced with new data every 5 seconds. I've created a thread so that the window opens (main thread) and the data is …

//////////////////////////////////////////////////////////////////////////////////////// // In this little project I am trying to learn to get and manipulate data from // a file input using fstream strings I also wanted to use the formating available // with the printf and related string handling methods. I have a question in regards // to the …

I trying to get the hang of link list, but very time a write one i fail miserably... [CODE]struct node { int data; node *next; }; int main() { node *head = new node; head = NULL; node *temp = head; //node 1 temp->data = 1; temp->next = NULL; temp …

title is self explanatory how do i convert it to a std::string? all this LP stuff makes my brain hurt...

I write letter, it checks vowel or not but could not achieve for the capital letter without using if loop help me [CODE]#include <cstdlib> #include <iostream> #include "stdio.h" #include "conio.h" #include "string.h" using namespace std; int main(int argc, char *argv[]) { int a,b; char ch; printf("Enter Letter="); scanf("%c",&ch); if (ch==a) …

This is not giving right output :((( [CODE]#include<iostream.h> #include<conio.h> using namespace std; int main() { char c[80],d[80]; cout<<"Enter a string = "; cin.get(c,80); strcpy(c,d); strrev(d); cout<<"String = "<<c; cout<<"Reverse word "<<d; getch(); return 0; }[/CODE]

What is wrong with this code? [CODE]import time import sys print """Welcome to the age finder. This program takes some input (they will be the years) and then adds it to 4 ages. For example, if you give the ages 10, 11, 12 and 13 it will return the age …

I'm just learning PERL. I'm working on a short practice data set. All I want to do is to see if A) all values from a list exist in a hash i've made from a separate data file, and B) are the values that do exist defined--i.e. have a value …

hey there, I am trying to test strings using regex to make sure that the string may represent a monomial. that is, it must be 123123213x^213123. I am having difficulties to find any helpful information on how to test for ^. I am trying this: [+|-][0-9]*[.][0-9]*[x\^]? but I get a …

i searched for similar threads but couldnt find any. i write python scripts ..but i want to store them in someother folder eg /Desktop/... the scripts get executed from the unix terminal..however the python intepreter(initialised by typing python in terminal window )is not able to find the files. i changed …

I'd like to spend some time killing my brain cells over a small program which nevertheless uses appreciably high logic, e.g. some scientific application. I'd classify myself as a mid-range, so please go easy. Thanks!

hello,i must solve this problem : "Sum all even digits of a given number. That's what i've got so far. [CODE] #include <iostream> using namespace std; int main() { int sum = 0 , num; cin>>num; while(num > 0) { sum+=num%10; num/=10; } cout<<sum; return 0; } [/CODE] the problem …

I have a datatable - 1 of the columns is a double so i read it like this Dim num As Double = Drow(1) I get an error about late binding here (with option strict on) I have tried converting to a double eg Dim num As Double = convert.toDouble(Drow(1)) …

Need help. I have a combobox (cmbCharge1) that gets populated by a text file. Inside the combobox, the data inside is laid out like this: 41-1A-1303: EXPIRED REGISTRATION Now, autocomplete works fine, if I start typing in the statute (like the 41 part). But what I need is for it …

Hi, I need some help getting the hypergeom distr. I've started with this code, but it doesn't seem work: [CODE]def logchoose(n, k): lgn = special.gammaln(n+1) lgk = special.gammaln(k+1) lgnk = special.gammaln(n-k+1) return lgn - (lgnk + lgk) def hypgeo(x, r, b, n): return exp(logchoose(r, x) + logchoose(b, n-x) - logchoose(r+b, …

Hi All [CODE]package apple; import java.io.IOException; import java.util.Scanner; /** * * @author Mates */ public class Apple { private double sample(){ double total; int a=120; Scanner as=new Scanner(System.in); System.out.println("enter the value"); double i=as.nextDouble(); total=i*a; System.out.println("apple"+i+"kg"+" "+total); [COLOR="red"]return total;[/COLOR] } public double sample1(){ int b=50; double total1; System.out.println("enter the value of …

Hi I require assistance on how to sort numerous records in C# in chronological order e.g the date of birth, if someone could help me it would be much appreciated. Thanks Ryan

The title really says it all. For example if I had a music file and I wanted to have it play all the way through then how would I make it start another music file after the first is done?

I have recently written a VB.NET application and I am stuck on the deployment. I can't use the ClickOnce, because the program has to be installed on the machine under program files, therefore, I use InnoSetup. My problem is that the application requires sqlclient and .net 4.0 to be installed, …

Is it possible to make a vb.net application faster Through code like using characters that the Computer already understands Like coding in certain areas through y x (math) etc. Will it be More faster since the compiler don't have to really do much work But its still must be VB.NET …

When i make 2 object for a same class, and then i make one object equal to another, then changes made to one object affect another object also, then when i assign one object as "null" then why the change is not made to another object as well? Here is …

Hi All, I have a 3 richtext boxs where I add each line together and output to a textbox, all is working great. But the problem I am seeing is that I paste the contents from a spreadsheet which strips off the leading 0 (zero) from a 9 digit number …

Hello , i have two tables ,animal ,which has name,familie and weight and table food which has feed. I want to assure that every animal has at least one food. I did this : [CODE]import mysql.connector from database import login_info db=mysql.connector.Connect(**login_info) cursor=db.cursor() data=[('Geo','Elephant',['hay',peanuts']), ('Gerald','Gnu',['leaves','shoots']), ('Leo','Leopard',['meat']) ...................... ] for name,familie,feed in …

So. I've written my first little graphics game (using the Graphics API) and would like to know two things: a) What's wrong with my collision detection? (Could you point me in the right direction?) b) What am I doing that is not the best way. Is there a better way …

I created a table in mySql named 'user' where fields are: UserID,UserFirstName,UserMidName,UserLastName,Username,UserType,AcctPassword,DateCreated, DatLastModified and IsDeleted. I create a separate form in vb.net to insert user record in database. My program can do insert command and bound this data from mySql to datagridview. And now, i wanted to update this by …

I am working on this visual studio 2008 calculator in c#. The calculator seems to be working, but when I created the Calculator Class, now it does not compute. I can click the number buttons, and they show up, but when I hit equals I just get a zero. Can …

plz i try to make factorial program but i have mistake [CODE] import java .util.Scanner; public class Factorialrec { int fact(int n) { int result; if ( n ==1) return 1; result = fact (n-1) * n; return result; } } public static void main(String [] args){ Scanner input = …