Hacker News Top Stories with Summaries (December 30, 2023)
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<h1> Hacker News Top Stories</h1>
<p>Here are the top stories from Hacker News with summaries for December 30, 2023 :</p>
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Tracking developer build times to decide if the M3 MacBook is worth upgrading
Summary: Incident.io developers used custom Go hot-reloader and OpenAI to analyze build times and decide if upgrading to M3 MacBook Pros is worth it. They compared M1, M2, and M3 platforms and memory configurations. Results showed that M2 significantly outperforms M1, while M3 offers incremental improvements over M2. Upgrading M1 users to base M3 Pro with 36GB memory was recommended, while M2 users didn't need upgrading. The extra memory proved useful in linker times, suggesting benefits in certain tasks and future-proofing.
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Higher error correction makes scanning undamaged QR codes less reliable (2021)
Summary: QR error correction can both help and hinder scanning. While higher error correction levels make QR codes more resilient to damage, they also increase data density, resulting in smaller modules. For fixed data, such as a URL, lower error correction levels are easier to read when there's minimal damage. However, higher error correction levels are more effective when there's significant damage. The ease of scanning depends on the size of individual modules, with denser codes requiring larger sizes.