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Low-density parity-check (LDPC) codes are a class of highly efficient linear block codes made from many single parity check (SPC) codes. They can provide performance very close to the channel capacity (the theoretical maximum) using an iterated soft-decision decoding approach, at linear time complexity in terms of their block length.
The removal of a previously bundled Python 2.7 interpreter (from 12.3) [14] [15] The removal of the ability to use custom Quartz Composer filters and plugins in Photo Booth . networkQuality, a command-line tool for measuring upload/download capacity, upload/download flows, and upload/download responsiveness
The concept of the CRC as an error-detecting code gets complicated when an implementer or standards committee uses it to design a practical system. Here are some of the complications: Sometimes an implementation prefixes a fixed bit pattern to the bitstream to be checked.
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The on-line textbook: Information Theory, Inference, and Learning Algorithms, by David J.C. MacKay, contains chapters on elementary error-correcting codes; on the theoretical limits of error-correction; and on the latest state-of-the-art error-correcting codes, including low-density parity-check codes, turbo codes, and fountain codes.
When Apple developed "a system-wide spelling checker" for Mac OS X so that "the operating system took over spelling fixes," [16] it was a first: one "didn't have to maintain a separate spelling checker for each" program. [17] Mac OS X's spellcheck coverage includes virtually all bundled and third party applications.
2. Chick-fil-A Chicken Noodle Soup. Price: $4.15 cup / $6.35 bowl Chick-fil-A’s chicken noodle soup is leagues better than it has any right to be. There’s so much flavor in this broth, and the ...
Mac OS Roman is an extension of the original Macintosh character set, which encoded only 217 characters. [1] Full support for Mac OS Roman first appeared in System 6.0.4 , released in 1989, [ 2 ] and the encoding is still supported in current versions of macOS , though the standard character encoding is now UTF-8 .