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The latest blog posts to take off on Hacker News. 1,304 posts.

Software Engineering
2016
271

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 )…

277

Having fun abusing the C language

I was looking through the book Expert C Programming again when I came upon their “light relief” section on The International Obfuscated C Code Competition . It’s a contest to write the most obscure code. That the language C has a competition where you write confusing code in it probably says something about the…

278

Concorde

Today marks the 13th anniversary since the last passenger flight from New York arrived in the UK. Every seat was filled, a feat that had become increasingly rare for a plane that was a technological marvel but a commercial flop….

298

Postgres Count Performance

Everybody counts, but not always quickly. This post looks into how the PostgreSQL database optimizes counting. In Postgres, there are ways to count orders of magnitude faster. We’ll look at exact counts (distinct counts) as well as estimated counts, using approximation algorithms such as HyperLogLog (HLL) in Postgres.