Best of 2009

The blog posts Hacker News loved most in 2009. 1,923 posts.

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1893

Diceware Passphrase Home

This page offers a better way to create a strong, yet easy to remember, passphrase for use with encryption and security programs. Weak passwords and passphrases are one of the most common flaws in computer security. Take a few minutes and learn how to do it right. The information presented here can be used by anyone…

1894

Five Questions about Language Design

(These are some notes I made for a panel discussion on programming language design at MIT on May 10, 2001.) 1. Programming Languages Are for People. Programming languages are how people talk to computers. The computer would be just as happy speaking any language that was unambiguous. The reason we have high level…

1900

Apple Says iPhone Jailbreaking is Illegal

Jailbreaking an iPhone constitutes copyright infringement and a DMCA violation, says Apple in comments filed with the Copyright Office as part of the 2009 DMCA triennial rulemaking. This marks the first formal public statement by Apple about its legal stance on iPhone jailbreaking.Apple's iPhone,...

1903

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.

1911

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…

1912

Clojure - Rationale

Customers and stakeholders have substantial investments in, and are comfortable with the performance, security and stability of, industry-standard platforms like the JVM. While Java developers may envy the succinctness, flexibility and productivity of dynamic languages, they have concerns about running on…

1917

Undergraduation

March 2005 (Parts of this essay began as replies to students who wrote to me with questions.) Recently I've had several emails from computer science undergrads asking what to do in college. I might not be the best source of advice, because I was a philosophy major in college. But I took so many CS classes that most CS…

1918

Write Down Your Password

Microsoft’s Jesper Johansson urged people to write down their passwords. This is good advice, and I’ve been saying it for years. Simply, people can no longer remember passwords good enough to reliably defend against dictionary attacks, and are much more secure if they choose a password too complicated to remember and…

1920

be human

Scraping for AI training is killing small websites like ours. Traffic from users is drowned out by bots at a factor of 100 to 1. At times, the load on our server from bots makes our server so unresponsive we can't get in to administer it.