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The Latest

Licensed to Code?

Certifiable NonsenseYou don’t need a certification to know that you’re good at what you do and neither does the rest of &nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbspthe world. I once had the misfortune to make

Use ASP Include Files for Database Connectivity

To avoid repeating the following lines of code in every ASP page that needs a database connection: {Dim connObjSet connObj = Server.CreateObject(“ADODB.Connection”)connObj.ConnectionString = Session(“ConnectionString”)connObj.Open} You can use an include file,

How to Void a Cookie and Delete it from the Browser

You can specify an expiration date, using the setMaxTime(int) method of javax.servlet.http.Cookie. Specifying an expiration time of zero will void the cookie, and delete it from the browser. // Expire

IIF Command in SQL Server

There is no “IIF” function in SQLSERVER as of VB and Access.For example, say you had a table like this: StudID Subject Marks—— —— ——1 Maths 801 Physics 751 Chemistry

Use ASP in your .js, .vb, and .css Files

Open Internet Services Manager from the Administrative Tools group.Right-click on your server and select properties. From Master Properties choose WWW Services and click the “Edit…” button. Select the HomeDirectory, and

String Comparing

Suppose that you have the following code: String strObj; if(strObj != null) if(strObj.equals(“something”)){ // } You can use instead “something”.equals(strObj), so you don’t have to test if strObj is null.

Speed up searches with hash tables

You probably know that there are basically two methods to search a value in an array: the brute force approach (i.e. linear searching) and the binary search. Both of them

Converting ResultSet to XML

Oftentimes, we need to convert ResultSets to XML for transferring data across different applications. Here is very simple code that transforms ResultSets into XML. import java.sql.*;import java.io.*;public class XMLWriter{ public

Get Nasdaq Quotes Online in your Java Program

This is a piece of my actual code. It’s rather self-explanatory. public static String quote(String symbol) { try { java.net.URL url = new java.net.URL( “http://quotes.nasdaq.com/quote.dll?page=_xml&mode=stock&symbol=” + symbol); com.borland.xml.XmlData data =

Test if a Character in a String is a Letter

There is a simple way to test if a character in a string is a letter.Just by using the UCase() And LCase() functions. Public Function IsLetter(Char As String) As Boolean

Change the Key for an Object in a Collection

I have created a generic function for changing the key for an object in a collection: ‘Module: Module1 Option Explicit Public Function ChangeKey(Object As Object, NewKey As String, Collection As

Clear a Collection

The fastest way to clear a collection is just to set the variable to a new Collection object. However, if it’s necessary to free the references the collection is keeping,

Making a Clone of a Java Object

You cannot make a separate location to assign one object to another. By implementing a Cloneable interface and calling the clone() method, you can make a separate location for the

Extract records by their record number

SQL Server, and the SQL language in general, doesn’t support record numbers, so you can’t extract a set of records if you know their position in the resultset. This missing

Using Abstract Classes in Visual Basic.NET

or years, Visual Basic programmers pleaded with Microsoft to give them the object-oriented programming (OOP) capabilities that were enjoyed by C++ and Java developers. While a few OOP-related features were

EJB Messaging, Part II: Message-Driven Beans

nterprise messaging has become an increasingly important component of loosely coupled, reliable enterprise frameworks. This is due in large part to the proliferation of enterprise applications (CRM, ERP, SCM, etc.)

Count Sort, a special case of indexed sort

CountSort is yet another sort algorithm, which can be applied only under very particular conditions but that, when such conditions are met, turns to be the fastest of the lot.

ASP Calendar

This ASP page lets you display a calendar that starts at a given data and lets the user browse previous/next month or year. The zip file contains a test HTML