sbirch

5 ms·

1.
by sbirch 3y ago
You might conclude that the only real option is to buy a positive pressure fresh air system, but this comparison doesn't match my experience. I have no trouble driving the PM2.5 very close to 0 with a few standalone purifiers in my hou
2.
by sbirch 4y ago
I think you've mixed up relative and absolute differences. Both of your examples are in terms of absolute percentage points (pp, sometimes ambiguously labeled %), but relative changes are measured in percent (%). 300% relative differen
3.
by sbirch 4y ago
This has actually been done before, awhile ago: https://people.csail.mit.edu/mrub/vidmag/
4.
by sbirch 12y ago
I enjoyed reading some of their results. I see some methodological issues here, however: 1) The test makes you distinguish between real words and a set of words they've made up in some way. As others have pointed out, some of them are
5.
by sbirch 13y ago
My favorite explanation of this (posed instead as the Locomotive problem) is in Allen Downey's "Think Bayes," pp.22 It's online too, and worth reading! http://www.greenteapress.com/thinkbayes/
6.
by sbirch 13y ago
An interesting bit on the computational complexity of solving this problem (with a slightly different scoring function): http://cstheory.stackexchange.com/questions/1854/is-finding-...
7.
by sbirch 13y ago
http://js1k.com/
8.
by sbirch 13y ago
I think linking accounts to debit cards is pretty valuable on it's own. It opens the door to making payments for a lot of people much easier down the road.
9.
by sbirch 13y ago
I think they've done something quite clever by (I infer) getting people to join up when they receive money. Venmo puts up an unnecessary wall by requiring that the payee sign up before they can be paid.
10.
Hackable web applications(blog.sbirch.net)
1 points by sbirch 14y ago|0 comments
11.
by sbirch 14y ago
You could also replace this website with a sentence: Dwolla is always the cheapest payment gateway.
12.
by sbirch 15y ago
This is true, but there's a lot to be said for native libraries which can be used more naturally. More important for things like frameworks, etc. than algorithms / highly technical code. e.g. using the Python wrapper for OpenCV is fine -- a
13.
by sbirch 15y ago
"In academic research and in entrepreneurship, you need to multiply your effectiveness as a programmer, and since you (probably) won't be working with an entrenched code base, you are free to use whatever language best suits the task at han
14.
The Bootstrap (useful & elegant)(americanscientist.org)
1 points by sbirch 15y ago|0 comments
15.
Show HN: stypi-sync synchronizes collaborative code editing with local storage(github.com)
2 points by sbirch 15y ago|0 comments
16.
by sbirch 15y ago
Yes! I want an API!
17.
by sbirch 15y ago
"With the visibility API, you can gracefully pause or degrade the timer to a much longer poll when the tab is in the background." Note that this is already enforced for setInterval in some browsers -- I think Chrome changes the minimum inte
18.
by sbirch 15y ago
"Have we become so culturally invested in the allure of the Free Agent, the lone wolf, the techno-rebel with a cause, that we are prepared to shower millions of dollars (maybe tens of millions) on a small number of superstars rather than a