If you are using the STL bitset class with large bitsets that spend most their time in the sparse or mostly populated range, this class may be what you are looking for.
Latest Bits and Bytes Articles
Sockets Byte-Ordering Primer
For those who are new to sockets programming or who've long ago forgotten the idiosyncrasies of byte ordering with sockets (as I had when I needed to know this last year), here's a primer on what byte ordering is, why it's needed, and terms such as little-endian, big-endian, network byte order, and host bye order.
Representing Arrays as Streams of Bits
Read an array as a stream of bits. You can navigate inside the array of data, set a "pointer" to any bit inside the array, and choose the order the bits of every byte will be processed.
CBitPointer: Easy Bit Manipulation
Bits can't be accessed directly as a simple data type. Learn how to manipulate bits (nearly) as any simple data type.
Latest CodeGuru Developer Columns
Understanding the C++ Utility Components in the C++ Standard Library
Learn more about a few commonly used components and explore their utility and usages.

Top Programming Languages to Use for .NET Development
Take a look at some of the most popular languages to use within the .NET paradigm.

Using Common Visual Basic Maths Conversion Functions—Imperial to Metric
When you need to convert imperial to metric and vice versa, here are some formulas to keep on hand.
The Value of APIs
Application Programming Interfaces (APIs) are where you have to be. It's not a matter of if as much as a matter of which.