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Show HN: Every mountain, building and tree shadow mapped for any date and time 30 by tppiotrowski | 114 comments on Hacker News. I've been working on this project for about 4 years. It began as terrain only because world wide elevation data was publicly available. I then added buildings from OpenStreetMap (crowd sourced) and more recently from Overture Maps data. Some computer vision/machine learning advancements [1] in the past few years have made it possible to estimate tree canopy heights using satellite imagery alone making it possible to finally add trees to the map. The data isn't perfect, but it's within +/- 3 meters of so. Good enough to give a general idea for any location on Earth. Happy to answer any questions. [1] https://ift.tt/qYOLGo0

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Ask HN: What do devs use for quickly setting up a feedback form? 15 by mmarian | 17 comments on Hacker News. I'm a software engineer who keeps building little web apps / MVP landing pages in the hopes that they make me a pretty penny (they never do). I like adding basic forms to the websites; usually to collect feedback, sometimes with an optional email address so I can get back to people. I've tried 3 options so far: - fully-fledged forms embedded onto the website (eg Google Forms) - quickest to set up but absolutely hideous and bad for SEO - 3rd-party form backends - I'm constantly worried about hitting the free plan limit; and some services have some deliverability/uptime issues - writing up my own server (I use Go) and hooking it up to a 3rd-party email service; cheapest but more worried about deliverability/uptime Right now I'm gravitating towards the 2nd option, but am curious how other developers approach this problem.

A myopia epidemic is sweeping the globe 43 by rntn | 3 comments on Hacker News.

TTE: Terminal Text Effects 28 by makapuf | 3 comments on Hacker News.

British microchip plant faces closure after Apple pulls the plug 12 by ksec | 5 comments on Hacker News.

Steve Jurvetson's personal collection of Apollo Lunar Module parts 13 by gessha | 4 comments on Hacker News.

Road planners embrace the diverging diamond interchange 41 by frob | 72 comments on Hacker News.

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Tantivy – full-text search engine library inspired by Apache Lucene 19 by kaathewise | 1 comments on Hacker News.

The Evolution of Lisp (1993) [pdf] 11 by swatson741 | 2 comments on Hacker News.

Amiga Minimig Ported to Tang Nano 20k FPGA 19 by riedel | 1 comments on Hacker News.

Kernel dev writes a USB driver from scratch in 3h [video] 12 by explosion-s | 0 comments on Hacker News.

How to enhance generative AI's problem-solving capabilities, boost productivity 3 by monkeydust | 1 comments on Hacker News.

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The road to hell is paved with good intentions and C++ modules 12 by fanf2 | 4 comments on Hacker News.

Don't microservice, do module 73 by thunderbong | 77 comments on Hacker News.

Running PHP Fast at the Edge with WebAssembly 26 by ecmm | 8 comments on Hacker News.

Daily cannabis use overtakes drinking in US first 37 by pseudolus | 9 comments on Hacker News.

The S-Matrix Is the Oracle Physicists Turn to in Times of Crisis 14 by Brajeshwar | 2 comments on Hacker News.

Show HN: Pong Wars with C# 4 by mx2ei1 | 1 comments on Hacker News.

Tesla's Sales in Europe Fall to a 15-Month Low 45 by belter | 45 comments on Hacker News.

Tensor Puzzles 18 by _false | 1 comments on Hacker News.

Why Not Just Do Simple C++ RAII in C? 10 by todsacerdoti | 0 comments on Hacker News.

How to compare two packed bitfields without having to unpack each field (2019) 19 by luu | 3 comments on Hacker News.

Firefox bug gets fixed after 25 years 72 by claviska | 22 comments on Hacker News.

How to Turn Off AI Overview in Google and Set "Web" as Default 99 by arantius | 90 comments on Hacker News.

Why Your Wi-Fi Router Doubles as an Apple AirTag 20 by todsacerdoti | 10 comments on Hacker News.

Scaling Monosemanticity: Extracting Interpretable Features from Claude 3 Sonnet 13 by 1wheel | 0 comments on Hacker News.

These cities bar facial recognition tech. Police still found ways to access it 22 by rntn | 4 comments on Hacker News.

Ask HN: Bootstrapped founder. Does it make sense to move out of SF for a while? 10 by babyent | 14 comments on Hacker News. Currently in SF bay area solo bootstrapping. I'm wondering if it makes sense for me to move to WA or NV for a while to continue working without thinking about the fact that I'm without an income and pay a lot to live here. I'm enjoying working on a B2B product driven business and taking care to address feedback as well as my own experience in this space to build something that I can be proud to put out there. Anyone done this in the past? What was your experience? Pros/cons/pitfalls? Please do tell. I'm fortunate that I have enough runway for 2-5 or more years without income, but ever since Covid I've always asked myself why I'm still here. I don't own a home here, and I have no roots here. The job market was strong here, but I don't plan to work at a tech company again and just want to focus on my stuff. I'm not at all worri...

26× Faster Inference with Layer-Condensed KV Cache for Large Language Models 26 by georgehill | 1 comments on Hacker News.

What "Follow Your Dreams" Misses [video] 46 by gladuz | 6 comments on Hacker News.

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AI Regulations Are Crony Capitalism in Action 19 by WaitWaitWha | 3 comments on Hacker News.

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Show HN: A Golang CP/M emulator 5 by stevekemp | 0 comments on Hacker News.

Third Time: a better way to work (2022) 19 by FigurativeVoid | 5 comments on Hacker News.

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We've All Felt It 12 by fmerian | 7 comments on Hacker News.

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Dragonfly: An optical telescope built from an array of off-the-shelf Canon lense 29 by fanf2 | 10 comments on Hacker News.

Meta Is Shuttering Workplace, Its Enterprise Version of Facebook 61 by marban | 60 comments on Hacker News.

The iPad Pro Manifesto (2024 Edition) 20 by robenkleene | 14 comments on Hacker News.

Compiler Explorer 20 by rbanffy | 2 comments on Hacker News.

Sun Microsystems logo: the most beautiful logo design (objectively) 15 by wesamco | 8 comments on Hacker News.

GxHash is a fast and robust non-cryptographic hashing algorithm 13 by vlovich123 | 3 comments on Hacker News.

Whole-body magnetic resonance imaging at 0.05 Tesla 43 by Jimega36 | 31 comments on Hacker News.

100k Stars 21 by sans_souse | 2 comments on Hacker News.

Serial to Parallel Port Converter 4 by todsacerdoti | 0 comments on Hacker News.

Logarithmic Scales 7 by lucasfcosta | 0 comments on Hacker News.

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Launch HN: Baselit (YC W23) – Automatically Reduce Snowflake Costs 12 by sahil_singla | 9 comments on Hacker News. Hey HN! We are Baselit ( https://baselit.ai/ ), a tool that automatically optimizes Snowflake costs. Here’s a demo video: https://www.youtube.com/watch?v=Ls6VRzBQ-pQ . Snowflake is one of the most widely used data warehouses today. It abstracts out the underlying compute infrastructure into “warehouses” for the user - compute units with t-shirt sizes (X-Small, Small, Medium etc.). In general, if you want to lower your data processing costs, the only thing you can do is to just process less data (i.e. query optimization). But Snowflake’s warehouse abstraction allows an extra dimension along which you can optimize - by minimizing the compute you need to process that same data (i.e. warehouse optimization). Baselit automates Snowflake warehouse optimization for you. While we were working on another idea last year (AI for SQL generation), users frequently shared with us how...

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Show HN: Convert your Containerfile to a bootable OS 8 by twelvenmonkeys | 0 comments on Hacker News.

The Art of Using Notepad in App Development 4 by thunderbong | 2 comments on Hacker News.

What makes a translation great? 7 by ignored | 0 comments on Hacker News.

The robustness of some fossil leaf venation networks to simulated damage 5 by pausing | 0 comments on Hacker News.

YC’s founder-matching service helped medical records AI startup Hona 6 by mstats | 1 comments on Hacker News.

In praise of idleness – Bertrand Russell 3 by TotalCrackpot | 0 comments on Hacker News.

Fifty Years of the Personal Computer Operating System 13 by DavidLawsCHM | 0 comments on Hacker News.

Whistleblower Josh Dean of Boeing supplier Spirit AeroSystems has died 185 by Freedom2 | 300 comments on Hacker News.

Akiya houses: why Japan has nine million empty homes 19 by pseudolus | 17 comments on Hacker News.

Show HN: I'm 16 and building an AI based startup called Factful with friends 44 by helloduck1234 | 30 comments on Hacker News. Hey HN! My name is Andrew, and I'm thrilled to share with you a project I've been working on called Factful. I'm a high school student with a passion for tackling misinformation online. Inspired by the need for more reliable content verification tools, I decided to create Factful. It's an AI-powered web app designed to revolutionize how individuals and organizations verify content. Unlike traditional grammar checkers, Factful provides a comprehensive analysis that goes beyond just grammar. It evaluates context, factuality, coherence, and more to ensure the accuracy and credibility of content. I believe that in today's information age, it's more crucial than ever to have tools like Factful to combat misinformation and promote content integrity. I'm excited to continue developing Factful and would love for you to check it out. Y...

Paul Auster has died 35 by koevet | 11 comments on Hacker News.