Top posts

Every blog post that took off on Hacker News, ranked by the votes of its best submission. 2,129 posts.

Any topic
2013
1173

Message threading (1997-2002)

In this document, I describe what is, in my humble but correct opinion, the best known algorithm for threading messages (that is, grouping messages together in parent/child relationships based on which messages are replies to which others.) This is the threading algorithm that was used in Netscape Mail and News 2.0…

1174

Call me maybe: Redis redux

In a recent blog post , antirez detailed a new operation in Redis: WAIT . WAIT is proposed as an enhancement to Redis’ replication protocol to reduce the window of data loss in replicated Redis systems; clients can block awaiting acknowledgement of a write to a given number of nodes (or time out if the given threshold…

1189

Amazon's profits

The problem with Amazon is not that it doesn’t make a profit, but that you don’t actually know what the profits are.  On the face of it, this sounds like an absurd statement - it doesn’t make any profits. After all, look at this chart - massive revenue growth, zero profit.