grstearns
Re:Ask HN: What did you learn the hard way?
on Wednesday October 03, 2018 @08:32PM (#18136060)
Exponential back-off is one of my favorite simple algorithms. Just remember to set a sane upper limit, you don't need them to wait hours between tries.
I will sometimes use a "pseudo exponential" like 1,3,5,10,25,50,100 and hold there. Of course, if you're trying to avoid collisions on a shared resource, the classic algorithm is pretty good.
Re:Ask HN: What did you learn the hard way?
on Wednesday October 03, 2018 @08:20PM (#18135995)
Documentation priority is inverse of volatility:
1) Why (requirements, decision points)
2) What (use cases, interactions, external APIs)
3) How (internal APIs)
4) Who (SMEs, owners, servers)
And don't waste people's time; don't document things that are obvious.
Standards to the Rescue. One NASA Look and Feel
Re:Canvas Pinball
on Saturday March 10, 2012 @07:39AM (#3687688)
The only thing I miss from the 95-XP days is Space Cadet Pinball. Oh well, new iPad next week and Pinball HD will totally make up for it
Re:Ask HN: What will reduce ADHD
on Saturday March 03, 2012 @12:27AM (#3659471)
Some current research suggests that ADHD (including the non-hyperactive form) has a lot to do with working memory capacity. Variations on short-term memory games like Simon appear to improve symptoms when used in a regulated way.
There is a Dr administered set called Cogmed that has some good data backing it up. There are also products by Posit Science and Lumocity.