tppiotrowski

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31.
by tppiotrowski 2y ago
Another one: No "Sign in with your Google account" popup covering the upper right corner of the page
32.
by tppiotrowski 2y ago
You can train ML to recognize vegetation in satellite photos and further train it to estimate its height +/-3 meters https://github.com/facebookresearch/HighResCanopyHeight
33.
by tppiotrowski 2y ago
The fact that it's self reported makes me wonder how close to the actual number it is. Also, how did they choose their sample. Edit: Link to original paper https://d1wqtxts1xzle7.cloudfront.net/32982174/Turner_-_Ap
34.
by tppiotrowski 2y ago
True. Argentina doesn't have DST and I just realized living in the northern hemisphere made me miss the fact that the sunlight hours chart is concave in the south https://shademap.app/@-50.35203,-70.98027,4.13034z,17360
35.
by tppiotrowski 2y ago
I generate these type of charts [1] focused on the daylight hours so it was a surprise to see a concave shape instead of a convex one. Awesome way to validate these computer generated charts with captured physical data. [1] https:/&#x
36.
by tppiotrowski 2y ago
Yes. There are planet wide DEM (Digital Elevation Model) datasets which record ground level elevations but no planet wide set for DSM which includes built structures and vegetation.
37.
by tppiotrowski 2y ago
As someone who has researched DSM availability across the globe, Google's Solar API is a top contender. Other option is government LiDAR surveys but the coverage, file formats, projections, etc are all fragmented. I think it would be g
38.
by tppiotrowski 2y ago
Sounds incorrect. I think the insurance rate is based on the value of the vehicle and SUVs and trucks are much more expensive than compacts and sedans.
39.
by tppiotrowski 2y ago
Lighting conditions seem to check out: https://shademap.app/@46.05225,8.19394,11.38803z,17341770702...
40.
by tppiotrowski 2y ago
> In “The Gospel of Relaxation,” James applies psychological insights to everyday concerns. Limit introspection: don’t become a prisoner of morbid feelings. To feel brave, act brave. To become cheerful, smile and laugh. Today known as &q
41.
by tppiotrowski 2y ago
I'm currently in Pokara, Nepal and Google maps has definitely hallucinated a lot of streets that don't exist (computer vision false positives I presume) This makes Google useless for routing because it sends you into dead end alle
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by tppiotrowski 2y ago
This mechanism is the source of fear for foreigners who believe they will be the victims of a mass shooting if they visit the USA.
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by tppiotrowski 2y ago
> Compared to what? My comment was based on 1kW panel on Amazon.com is $500 delivered but there's likely a lot of nuance in quality and lifetime and labor for these projects
44.
by tppiotrowski 2y ago
$1,100,000,000 / 815000 kW = $1350 per kW Seems kind of expensive at this scale
45.
by tppiotrowski 2y ago
There was a period of time when science was advanced by the aristocrats who were self funded and self motivated. Once it became a distinguished profession the incentives changed. "When a measure becomes a target, it ceases to be a good
46.
by tppiotrowski 2y ago
Can anyone recommend a learning resource or YouTube videos on English? (Autolibre has a course but I believe it's only in Spanish)
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by tppiotrowski 2y ago
Can you explain the projection issues you faced with the DEM? I thought something like gdal can reproject any data into a standard projection like web Mercator.
48.
by tppiotrowski 2y ago
Customer: You never emailed me the link I paid for. You ripped me off! Me: I see an email was dispatched to bob@fmail.com 15 minutes ago. Can you double check your inbox? Customer: Oops, typo. I meant bob@gmail.com (Happens multiple times e
49.
by tppiotrowski 2y ago
Personal story: A couple of years ago I climbed Mt Whitney in California. One of the climbers that day was from the east coast and failed to show up for work a few days later. The family became concerned and called the car rental agency in
50.
by tppiotrowski 2y ago
Thanks! Lemon Squeezy is exactly what I needed but failed to find the required keywords to make it surface in Google search results. Ironically they were just acquired by Stripe today. I'll keep this guide up nonetheless in case the fe
51.
Notes on Remitting Stripe Tax to the UK and EU(tedpiotrowski.svbtle.com)
27 points by tppiotrowski 2y ago|2 comments
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by tppiotrowski 2y ago
Does a compiler use special cases for division by two (and other integers as well) that it implements as single bitwise operations? This seems like a lot of work to scan through all mathematical operations. Is that why compiling code takes
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by tppiotrowski 2y ago
It has to be PVC pipes. Once you cut one with a mitre saw and see all the plastic dust in the pipe that gets washed into the nearest water source Or the replacement of wool with polyester and nylon over the last 100 years Tires are a good t
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by tppiotrowski 2y ago
> The satisfaction (and mental benefits) of getting something done I used to think that motivation would come to me if I just waited long enough but I now believe that action breeds motivation. You need to do something no matter how smal
55.
by tppiotrowski 2y ago
By default the tree shadows appear as they would from an airplane, so you would not see any shadows at noon as the top of the canopy is completely in the sun. Try changing to "below canopy" in the Settings and you might see the mi
56.
Show HN: Every mountain, building and tree shadow mapped for any date and time(shademap.app)
685 points by tppiotrowski 2y ago|183 comments
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by tppiotrowski 2y ago
> The company was previously valued at $850 million (before the launch of the AI Pin) Isn't the valuation geared towards making investors whole instead of the actual value of a company? I thought this was standard in the VC world.
58.
by tppiotrowski 2y ago
I've recently played with the Overture Maps datasets which are in .parquet and I agree that there is a learning curve. One thing that's nice about .parquet is typical Macs come with 128/256GB SSDs and you can query 300GB of p
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by tppiotrowski 2y ago
Can a CSV contain binary? I'm just thinking of the massive file size explosion of stringy'ing integers and floats (like those used for lat/lng coordinates for example)
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by tppiotrowski 2y ago
I use perplexity because it's the best free GPT that is anonymous (no login required)

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