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Fundamental Problems of Lisp, the Cons Cell (2024)

Fundamental Problems of LISP, the Cons Cell (this essay is originally written around 2008) The Cons Business The other fundamental problem in the language is its cons cells as its list construction primitive. Lisp at core is based on functional programing on lists. This is a powerful paradigm. However, for historical reasons, lisp's list is based on the hardware concept of “cons” cell. From a mathematical, functional, API point of view, what this means is that lisp's “list” is limited to a max

Topics: cons like lisp list lists

Show HN: A color name API that maps hex to the closest human-readable name

Physics The Color Name API is a powerful tool that provides a variety of color names based on a given color value. It leverages multiple open-source name lists to deliver accurate and diverse results. This page serves as an interactive playground where you can explore and test the API in action. The Color Name API allows you to query for color names based on hex values. You can specify multiple colors, choose a color name list, and control whether to return unique names. Use the interactive UR

Guess I'm a Rationalist Now

A week ago I attended LessOnline, a rationalist blogging conference featuring many people I’ve known for years—Scott Alexander, Eliezer Yudkowsky, Zvi Mowshowitz, Sarah Constantin, Carl Feynman—as well as people I’ve known only online and was delighted to meet in person, like Joe Carlsmith and Jacob Falkovich and Daniel Reeves. The conference was at Lighthaven, a bewildering maze of passageways, meeting-rooms, sleeping quarters, gardens, and vines off Telegraph Avenue in Berkeley, which has rece

US-backed Israeli company's spyware used to target European journalists

ROME (AP) — Spyware from a U.S.-backed Israeli company was used to target the phones of at least three prominent journalists in Europe, two of whom are editors at an investigative news site in Italy, according to digital researchers at Citizen Lab, citing new forensic evidence of the attacks. The findings come amid a growing questions about what role the government of Italian Prime Minister Giorgia Meloni may have played in spying on journalists and civil society activists critical of her leade

Can Music Really Help You Sleep? Here's How to Build a Playlist for Deeper Slumber

Music fuels my life. Whether I'm writing, reading, working, running, driving or sitting around the house, music is usually flooding my ears or playing softly in the background. Choosing a song or playlist is the first thing I do in the morning, and if I have my AirPods in, you can count on Spotify playing my favorite podcasts. To me, music is a form of love. It boosts moods, soothes heartache and reaches audiences across language barriers. Music can also help you sleep at night, easing anxiety