Best of 2019

The blog posts Hacker News loved most in 2019. 4,838 posts.

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4505

Substack

Reading — and especially writing — was once a privilege of the elite. In the medieval ages, the ability to create and distribute books was in the hands of very few: It would take weeks and even months for a scribe in a monastery to copy books, and only members of the church or nobility...

4515

A Visual Introduction to Morse Theory

In a previous article , I already introduced manifolds and their, ahem, manifold ways. Among the many interesting comments I received about this article, some were dealing with a basic question, namely how to measure the properties of a manifold. In this article, I want to present a few concepts from Morse theory …

4518

Jepsen: YugaByte DB 1.3.1

2019-09-05: YugaByte’s blog post states YugaByte DB “passes Jepsen tests”. We feel obligated to state that YugaByte DB’s Jepsen test suite does not pass, though it may in the future. Race conditions in YugaByte DB’s schema system can cause correctness errors. For example, inserting rows into a freshly-created table…

4528

Banish missing glyphs with Unifont

The GNU Unifont project is amazing. It contains every Unicode glyph in one single file! I am going to argue that you should bundle it with your apps, your operating systems, and - at a pinch - your websites. The Unifont is a perfect fallback font. If your app or website uses a Unicode character which isn't supported…