Argument with a stupid

Never argue with a stupid person. First they'll drag you down to their level, then they will beat you with experience.
Courtesy : Teja's Gtalk status message

TimeZone in Oracle

Thread: How to Change Time Zone in 10g
want to change dbtimezone in Oracle9i
We're entering the Oracle Time Zone

Java Idioms??

Java Idioms

Password Mask in Java

Password Masking in the Java Programming Language

Prompt for password from the console

Cryptography - The DEFINITIVE thread on secure password entry (console, gui, code reviews)

Portability & Platform Independence [Archive] - Here's an Easy Workaround for Console Password Input

Ant: Debugging Classpaths

A simple article explaining how to print classpath in ant

Exception Details in JavaScript

function displayException(e,method)
{
 if(method != null)
 {
  alert('Error occured in ' + method);
 }
 if(e instanceof EvalError)
 {
  alert('Eval function is used in an incorrect manner. Error name: ' + e.name + '. Error message: ' + e.message);
 }
 else if(e instanceof RangeError)
 {
  alert('A numeric variable exceeds its allowed range. Error name: ' + e.name + '. Error message: ' + e.message);
 }
 else if(e instanceof ReferenceError)
 {
  alert('An invalid reference is used. Error name: ' + e.name + '. Error message: ' + e.message);
 }
 else if(e instanceof SyntaxError)
 {
  alert('Syntax error occured while parsing JavaScript code. Error name: ' + e.name + '. Error message: ' + e.message);
 }
 else if(e instanceof TypeError)
 {
  alert('The type of a variable is not as expected. Error name: ' + e.name + '. Error message: ' + e.message);
 }
 else if(e instanceof URIError)
 {
  alert('encodeURI() or decodeURI() functions are used in an incorrect manner. Error name: ' + e.name + '. Error message: ' + e.message);
 }
 else 
 {
  alert('An unspecified error occurred!. Error name: ' + e.name + '. Error message: ' + e.message);
 }
}

Java code to execute a command etc

Java code to execute a command and enter input to that command and view output of that command.

import java.io.*;

public class CommandInput {
 public static void main(String args[]) throws Exception{
  String cmd = "java HelloWorld";
  String passwd = "P@ssw0rd";
  Runtime rt = Runtime.getRuntime();
  Process p = rt.exec(cmd);
  (new ConsolePrint(p.getInputStream())).start();
  (new ConsolePrint(p.getErrorStream())).start();
  BufferedWriter commandWriter = new BufferedWriter(new OutputStreamWriter(p.getOutputStream()));
  commandWriter.write(passwd);
  commandWriter.close(); 
 }
}

class ConsolePrint extends Thread{
 InputStream is ;
 ConsolePrint(InputStream is){
  this.is = is;
 }
 public void run(){
  BufferedReader br = new BufferedReader (new InputStreamReader(is));
  String line = "";
  try{
   while ((line=br.readLine())!=null) {
    System.out.println(line);
   }
  }catch(IOException ioe){
   System.out.println(ioe.getMessage());
  }
 }
}