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 Developer Videos
More...Latest CodeGuru Developer Columns
Comparing the stdio and iostream C++ Libraries
It's essential to know the differences in these libraries and use them correctly. This brief tutorial will guide you.

Web Developers: Are Your Sites Using HTTPS?
Web sites that need certificates, the secure ones running under HTTPS, are quickly becoming the standard. Get ready to use certificates.

Building a Conversation Bot
Learn about the Microsoft Bot Framework, and how to craft a conversation bot.

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.