cbr

5 ms·

1.
by cbr 8y ago
> Curious about SPS + A/C The SPS is rated for 2000W, best-effort. That gets you probably one large window AC. It will run when the grid is down and the sun is shining on your panels, which depending on how your roof is angled a
2.
by cbr 8y ago
> Why propane? Because gasoline slowly degrades (polymerization) and needs to be drained, disposed of, and replaced with new (typically every year or so). Propane doesn't degrade over time. If you have natural gas piped to your ho
3.
by cbr 8y ago
> They do have models that can function off-grid, and even models with attached batteries to handle surge loads and night-time operation, but these models are not as widely installed. Talking to solar salespeople, they say it's no
4.
by cbr 8y ago
> What about heat in a power outage? Right now we'd have no heat. I'm thinking of putting together a small general purpose battery backup that we can normally charge via the wall but can also charge via the SPS on the solar
5.
by cbr 8y ago
I looked into this some and found some of the most useful advice was for people going to Burning Man. For example: https://www.theplayalabs.com/shopping-list-solar My understanding is that for anything big like a fridge (e
6.
by cbr 8y ago
It's unfortunate that ImageMagick decided to call their primary command "convert".
7.
by cbr 8y ago
1. This uses the Image Magick command "convert" so it will work on any system that has it installed. I've only used it on Mac and Linux. 2. It isn't lossless, no. I think jpegtran can do this, but you'll need to f
8.
by cbr 8y ago
I found several of these in Hollywood Cemetery in Richmond a few years ago and was confused by them: https://www.jefftk.com/p/assorted-pictures#tree-graves
9.
by cbr 8y ago
To fix these: convert -auto-orient in.jpg out.jpg
10.
by cbr 8y ago
Author here: I don't know very much about how swamp coolers are used in practice, so I could easily be missing something. I do know that they're basically never used up here in the Northeast (Boston) because they work by increasi
11.
by cbr 8y ago
Japanese isn't as well suited to a keyboard as English is; a smartphone and keyboard are about equally fast for typing Japanese.
12.
by cbr 8y ago
>patients are known to be highly inconsistent when reporting their own alcohol consumption. Answers patients provide depend on many factors, including the doctor-patient relationship. And patients’ spouses often disagree with their part
13.
by cbr 8y ago
Are they saying they were misquoted? I'm seeing them unhappy about the publicity, but that's not slander.
14.
by cbr 8y ago
Where did you read that? It can't possibly be right: the Pacific alone is 160M km^2.
15.
by cbr 8y ago
Apache has dynamic modules too, and they're generally better designed. In nginx they were added later and a module compiled against one version of nginx won't work against any other. With Apache you could download a mod_brotli bin
16.
by cbr 8y ago
https://en.wikipedia.org/wiki/Cornfield_Bomber https://en.wikipedia.org/wiki/1989_Belgian_MiG-23_crash
17.
by cbr 8y ago
Availability of credit over 7 years is generally much less valuable than $200k.
18.
by cbr 8y ago
Anyone can get an HTTPS cert, and with Let's Encrypt it's free. Restricting dangerous features to only websites that can demonstrate their traffic hasn't been man-in-the-middled is very different from giving established sites
19.
by cbr 8y ago
What would keep someone from getting an economically valuable degree, declaring bankruptcy on graduating, and then just waiting until that had expired from their credit record?
20.
by cbr 8y ago
> Most of what Linus says would run foul of HN's guidelines Keep in mind that you're much more likely to see it when he explodes at someone, because that's more entertaining to read. Most of what he writes in the ordinary
21.
by cbr 8y ago
Poor angular resolution means you can't tell if an object is at 12 o'clock vs 1 o'clock. It means you can tell there are things, but you don't accurately know what angle they're at.
22.
by cbr 8y ago
Huh? People used lead paint widely, and many 100+ year old houses were painted with it.
23.
by cbr 8y ago
You can also use fans to cool the environment, trading hot inside air for cooler outside air. For example https://en.wikipedia.org/wiki/Whole-house_fan
24.
by cbr 8y ago
> I'd get 3-5% higher CPM if I filtered non-US traffic. 3-5% higher CPM on how many fewer pageviews? In general, filtering out traffic should always make you less money, even as filtering to the most profitable traffic increases ho
25.
by cbr 8y ago
You could use an IP -> geo lookup, and block EU countries.
26.
by cbr 8y ago
Can you give an example of a site that couldn't be moved to HTTPS? I would expect that even if the serving stack doesn't support HTTPS you could put a proxy in front of it.
27.
by cbr 8y ago
ipv6 to supporting servers is about 20%: https://www.google.com/intl/en/ipv6/statistics.html
28.
by cbr 8y ago
Every time you load a web page they can see your IP address, and IP addresses can be mapped back to rough locations. Sometimes people use "GPS" to also include things like your phone figuring out where it is based on what WiFi na
29.
by cbr 8y ago
Any site which iframes in another site where you're expected to be logged in. For example, Disqus comments, Facebook like buttons, Youtube embeds (which work, but show ads even if you've paid for no ads). There are also lots of o
30.
by cbr 8y ago
This means everywhere uphill from this creek can't be assigned to a watershed, or we can't model watersheds as a tree. My guess is water modeling software can't handle this situation. (Cases where an elegant model covers almo

More ›