Viewing profile — abthomson
abthomson
HN member- Joined
- Fri, Jan 30, 2009, 7:58 AM UTC
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- 65
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- 19 items
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About abthomson
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Recent public activity
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Comment #22824101
In the upper right there's a "login with password" link. I logged in successfully using my old number there just now.
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Comment #14482493
It's called Fermi estimation for a reason!
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Comment #6187206
For shorter distances, time-of-flight is not typically used. There's surprisingly little documentation about how these things work online though. From http://ptd.leica-geosystems.c…
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Comment #4700866
The Kwikset motorized deadbolts have tapered bolts to help compensate for poor alignment. I'm not sure why it's not more common with other locks.
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Comment #4264616
Both "normal" automatic transmissions and the Prius use epicyclic gears. The main difference between the two would be that an automatic transmission in normal operation has one pow…
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Comment #3714187
Very true, search for "server inlet temperature" if you want to learn more.
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Comment #1906381
It's definitely not accepted that power and cooling are the dominant cost, in most cases it's the servers: From James Hamilton (who just happens to work for Amazon) http://perspect…
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Comment #1793327
It's not clear why the author decided to compare a ZestCash loan with credit cart debt when they're clearly different products. And while ZestCash's rates of 242% to 462% are high,…
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Comment #1552274
http://thestartupdigest.com/ is useful for finding out about events like this in advance.
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Comment #1486698
I don't know much about ISP DNS configurations, but the problem extends to clients as well. For example, until Java 1.6, the default TTL for DNS lookups was forever.
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Comment #1123590
I'm only sure because I saw a bunch of RTMP and Flex messages going to the central servers (they all have similar IP addresses) and a lot of UDP traffic going to a pretty much rand…
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Comment #1123529
Yes, and this is what chatroulette does. I did a TCP dump of the traffic and the data sent to the central servers is very minimal, mostly short plain-text messages containing littl…
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Comment #532730
Furthermore, the flow in the two pipes is usually in opposite directions because it's more efficient that way.
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Comment #459147
If a child prodigy becomes famous in later life, it's probably not because they were a child prodigy but for some other reason. One example I can think of would be http://en.wikipe…