Hacker News Top Stories with Summaries (September 12, 2023)
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<h1> Hacker News Top Stories</h1>
<p>Here are the top stories from Hacker News with summaries for September 12, 2023 :</p>
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UK air traffic control meltdown
Summary: On 28 August 2023, NATS, the UK's air traffic control operator, experienced a major technical incident, resulting in over 2000 flight cancellations and an estimated cost of over £100 million. The issue was traced back to a faulty flight plan causing the Flight Plan Reception Suite Automated (FPRSA-R) sub-system to fail. The incident affected hundreds of thousands of people and raised questions about the resilience of the UK's air traffic control system.
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Calculate the difference and intersection of any two regexes
Summary: Antimirov is a regex library that supports various regex syntax such as concatenation, alternation, kleene star, grouping, and repetition. It also supports character escaping and Unicode escaping. Unsupported features include anchors, zero-width assertions, back references, subgroup extraction, searching, and flags. More info: github.com/non/antimirov.