Most cited

Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 228 posts.

Any topic
2009
91

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.

102

Schneier's response to Eric Schmidt

Schmidt said: I think judgment matters. If you have something that you don’t want anyone to know, maybe you shouldn’t be doing it in the first place. If you really need that kind of privacy, the reality is that search engines—including Google—do retain this information for some time and it’s important, for example…

103

Aaron Swartz: How I Hire Programmers

There are three questions you have when you’re hiring a programmer (or anyone, for that matter): Are they smart? Can they get stuff done? Can you work with them? Someone who’s smart but doesn’t get stuff done should be your friend, not your employee. You can talk your problems over with them while they procrastinate…

110

Encrypt-then-MAC

First things first: Why use a composition of encryption and MAC instead of a single primitive which achieves both? Because people are very good at writing bad code. In my experience on the FreeBSD security team, writing dozens of security advisories, there are three types of code which are especially prone to have…

114

Fun With HTTP Headers

Like any good web developer, I have a tendency to poke around at people’s web sites to see if I can figure out how they’re implemented. After poking at enough sites, I started noticing that people were putting some weird and interesting stuff in their HTTP headers. So, a couple of weeks ago, I decided to actually go…