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Life, Learning & Writing

The most popular blog posts about life, learning & writing on Hacker News. 8,940 posts.

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7684

Toward an exploratory medium for mathematics

The world's oldest complete piece of surviving music is the 3,400-year-old Hurrian cult hymn . The hymn was found inscribed on clay tablets excavated from the ancient city of Ugarit, in modern-day Syria. Sometime after the hymn was composed, the idea of using notation to record music was lost. Writing two millennia…

7692

Kill the Alarm Clock (2017)

Few upwardly mobile people in the modern rat-race society can live without an alarm clock. With a shot of strong coffee and round-the-clock stress, most people learn to live and survive with an alarm clock. Half of the population wakes up with an alarm, 9% are woken by a partner, 4% by pets, 3% by children, etc. That…

7702

A dictionary of single-letter variable names

Haskell’s expressive type system means that type signatures can carry a lot of information. Haskell’s polymorphism means that you sometimes write functions that work across an enormous range of types, and are left wondering “what do I actually call my variables?”. It is often the case that there’s nothing to say…

7705

Sysop Chat

Back in mid-90s before anyone I knew had an Internet connection, a few of us had modems and would use them to call bulletin board systems via the phone line. On these systems what to me seemed the main thing was discussions and chat. For the first time I could talk to other like-minded people, and just being able to…

7708

Dropbox keeps threatening to delete my files

For the past two years, I’ve been on the receiving end of a passive aggressive win-back campaign from Dropbox. The feud originally started when I migrated away from Dropbox and hence canceled my subscription while leaving them saddled with over a terabyte of my data to carry forever, like a camel in the digital…

7710

Eastern European Guide to Writing Reference Letters

Excruciating. One phrase I often use to describe what it's like to read reference letters for Eastern European applicants to PhD and Master's programs in Cambridge. Even objectively outstanding students often receive dull, short, factual, almost negative-sounding reference letters. This is a result of (A)...