Most cited

Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 810 posts.

Any topic
2016
3

How to Write a Spelling Corrector

I figured they, and others, could benefit from an explanation. The full details of an industrial-strength spell corrector are quite complex (you can read a little about it here or here ). But I figured that in the course of a transcontinental plane ride I could write and explain a toy spelling corrector that achieves…

6

Ideas for Startups (2005)

October 2005 (This essay is derived from a talk at the 2005 Startup School. ) How do you get good ideas for startups ? That's probably the number one question people ask me. I'd like to reply with another question: why do people think it's hard to come up with ideas for startups? That might seem a stupid thing to ask…

15

Parsing JSON is a Minefield

[2016-10-26] First version of the article [2016-10-28] Presentation at Soft-Shake Conference, Geneva ( slides ) [2016-11-01] Article and comments in The Register [2017-11-16] Presentation at Black Alps Security Conference, Yverdon ( slides ) [2018-03-09] Presentation at Toulouse Hacking Conference ( slides )…

18

Clojure.spec – Rationale and Overview

Clojure is a dynamic language. Among other things this means that type annotations are not required for code to run. While Clojure has some support for type hints, they are not an enforcement mechanism, nor comprehensive, and are limited to communicating information to the compiler to aid in efficient code generation…

22

Nothing is Cheaper than Proof of Work

I previously wrote a post on proof of work (PoW) and mining . The first half generated great interest but (apparently) failed to be universally persuasive. For example, CCRG (Ethereum’s multi-million dollar funded “research” organization) consists almost entirely of academics theorizing about proof of stake (PoS) .