Free code that determines if 2 lists (any objects that implement the IList interface, such as Array, ArrayList, ListBox, etc.) contain the same objects or value types.

Depending on your math background, .NET's rounding functionality may not work the way you expect! Check out the included code to implement an alternative (known as Common Rounding) in addition to .NET's built-in Math.Round() function.

With the recent mania over Web 2.0 and one of it's common bretheren, AJAX (BTW, Web 2.0 doesn't specifically dictate AJAX), there has been quite a proliferation of JavaScript frameworks (and frameworks built upon frameworks): prototype, moo.fx, MochiKit, DoJo, and more...

This is a convenient Javascript function that returns a value from a string of delimited values based upon the position index specified.

What do I mean by dynamic text form fields? Let's say I have a table Contacts that stores typical contact information for a Contact Management system...

Chris Pederick has developed one of the most useful extensions available to Gecko rendering engine browsers Firefox, Flock, and Mozilla.

This VB.Net code checks the validity of a credit card number. Pass a credit card number to the function and it returns true or false based upon the CC number's validity.

This is the C# code for an ASP.NET required validator web control that requires a specified set of controls to be all populated, or all empty. It inherits from the RequiredFieldValidator ASP.NET class, so it essentially works the same way, it just treats the set of controls you specify as if they were one control (in the sense of requirement).

Here is a free JavaScript trim() function for your use. Trim is a common function in other languages' syntax that removes leading and trailing spaces in a string. It does not exist in JavaScript as a built-in String function.

MSSQL Syntax for creating a comma-delimited string from a single column query using only a single SELECT statement

A very useful MSSQL Stored Procedure that will generate a cross tab (pivot table in the Excel world) output