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.
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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.
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.
Bits can't be accessed directly as a simple data type. Learn how to manipulate bits (nearly) as any simple data type.
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It's essential to know the differences in these libraries and use them correctly. This brief tutorial will guide you.
With facilities to search, copy, extract segments, and more, the array class can handle pretty much any task you need to perform with ease.
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If you have written solid code, you have accomplished one half of the objective. Solid code is the protagonist, or hero, of our story, but testing is the more sedate side kick that often saves the day after the hubris of the hero has almost certainly lead to calamity.