Best of 2009

The blog posts Hacker News loved most in 2009. 92 posts.

History & Retro Computing
68

Keynes, Explained Briefly

If you read the economic textbooks, you’ll find that the job market is a market like any other. There’s supply (workers) and demand (employers). And the incredible power of market competition pushes the price (wages) to where those two meet. Thus massive unemployment is about as likely as huge unsold piles of wheat…

72

Google Multivac

In 1958 Isaac Asimov wrote a short story titled "All the Troubles of the World" (included in the collection "Nine Tomorrows" ). It described a world transformed by Multivac, a giant all-knowing computer. Asimov died in 1992, a mere four years before Larry and Sergey started their project "to organize the world's…

84

ha ha only serious

[from SF fandom, orig. as mutation of HHOK, ‘Ha Ha Only Kidding’] A phrase (often seen abbreviated as HHOS) that aptly captures the flavor of much hacker discourse. Applied especially to parodies, absurdities, and ironic jokes that are both intended and perceived to contain a possibly disquieting amount of truth, or…

86

Some AI Koans

These are some of the funniest examples of a genre of jokes told at the MIT AI Lab about various noted hackers. The original koans were composed by Danny Hillis, who would later found Connection Machines, Inc. In reading these, it is at least useful to know that Minsky, Sussman, and Drescher are AI researchers of…

88

P.S.: The Best of Intentions

Operations in Lisp, Scheme, and other dynamically-typed languages typically dispatch on representational type information rather than intentional type information. Several broad classes of bugs and confusions can be traced to improper attempts to recover intentional type information from representation types.

89

Zawinski's Law

“ Every program attempts to expand until it can read mail. Those programs which cannot so expand are replaced by ones which can. ” Coined by Jamie Zawinski (who called it the “ Law of Software Envelopment ”) to express his belief that all truly useful programs experience pressure to evolve into toolkits and…