The following code shows how to determine whether one string is a number: public static boolean isNumber(String s){ try { new Double(s); return true; } catch(Exception ecc) { return false;

One way to avoid unnecessary object construction is to use a reference instead of an object to store the unnamed temporary object returned by value. This tip references both Scott

Suppose you simply want to change the border color of a control to something other than black, so you looked for the BorderColor property in the Properties Window…but it’s not

Most application servers/JSP engines can load JSP servlets dynamically. This allows the application server/JSP engine to load the JSP servlets every time you configure them. For example, suppose you configure

Disabling the Windows XP splash screen helps your startup go faster. To do this, open boot.ini from the root folder and add ? /noguiboot? right after ?/fastdetect?. That’s it! Note:

The example in this tip uses an ArrayList object to serialize, deserialize, and store itself in an XML file. However, you can also use user-defined objects. First, add items to

The following code demonstrates how to set a logger for FOP. You can send the logger’s messages to the System.out or in a file like this: //to System.outLogger logger=new ConsoleLogger(ConsoleLogger.LEVEL_INFO);fop.setLogger(logger);MessageHandler.setOutputMethod(MessageHandler.SCREEN);MessageHandler.setScreenLogger(logger);

This tip shows an example of how to use the Iterator API to read from an XML file: import javax.xml.stream.*;import javax.xml.stream.events.*;import java.io.*;public class StAXBasicEventReader{ public StAXBasicEventReader(){} public static void main(String[]

VS 2005, like its predessor, does not allow debugging for classic ASP pages, by default. This forces you to attach the ASP worker process (w3wp.exe). Follow these steps: Enable ASP