Hacker News Top Stories with Summaries (May 12, 2023)
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<h1> Hacker News Top Stories</h1>
<p>Here are the top stories from Hacker News with summaries for May 12, 2023 :</p>
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Implement DNS in a Weekend
Summary: Julia Evans has announced a free guide to implementing a DNS resolver in a weekend. The guide is about 200 lines of Python and includes implementing all of the binary DNS parsing from scratch. The project is a fun way to learn how to parse a binary network protocol like DNS and how DNS works behind the scenes. The testers have reported that it takes around 2-4 hours to do in Python. The guide is a Jupyter notebook that mixes code that you can run with explanations. Python was used for this guide instead of a lower-level language like Go or Rust to make it more approachable. The guide only uses a few very basic standard library modules: struct, socket, io, random, and dataclasses.
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Pigz: Parallel gzip for modern multi-processor, multi-core machines
Summary: The website is for pigz, a parallel implementation of gzip that can be downloaded in source code format. It is designed to fully utilize multiple processors and cores when compressing data. The program was created by Mark Adler and uses the zlib and pthread libraries. To use pigz, the README file in the source code distribution should be read. The program can be subscribed to for notifications of new versions. The program is pronounced "pig-zee," not like the plural of pig.