481. We fell out of love with Next.js and back in love with Ruby on Rails (hardcover.app)
523 points | 2025 | author dyogenez showed up | their comment | thread
“I've been developing in Ruby and Rails for almost 20 years. Here are some of the downsides in my opinion. - The Global interpreter lock (GIL) in Ruby is less performant…”
482. I knew exactly how she felt (trishkhoo.com)
521 points | 2013 | author hogfish showed up | their comment | thread
“One simple suggestion to encourage more women into IT - Trish Khoo”
483. Analyzing Cryptocurrencies Using PostgreSQL (blog.timescale.com)
521 points | 2017 | author sp37344 showed up | their comment | thread
“For the graphs I used the ggplot library in R, but really any SQL visualization tool (e.g., SQLPad) would have worked as well. Apache Zeppelin Notebook seems like a…”
484. Comparing Database Types (prisma.io)
521 points | 2019 | author imchairmanm showed up | their comment | thread
“That's a good question and something I had a hard time sorting out as I worked on this. I think those fall into a different category confusingly sometimes called…”
485. How much faster are the Gnome 46 terminals? (bxt.rs)
521 points | 2024 | author YaLTeR showed up | their comment | thread
“Glad you enjoyed the post! I don't have any results for Windows or macOS yet unfortunately. I wanted to run these tests on Windows eventually, and include things like…”
486. A hacker stole $31M of Ether – how it happened, and what it means for Ethereum (medium.freecodecamp.org)
520 points | 2017 | author HaseebQ showed up (and submitted it) | their comment | thread
“I tried to write this article to be accessible to people with little background in security and cryptography (hence its publication on FreeCodeCamp), and to be friendly…”
487. Google AMP lowered our page speed, and there's no choice but to use it (unlikekinds.com)
519 points | 2019 | author whalabi showed up | their comment (+1 more) | thread
“You can run the test yourself on the AMP and non-AMP versions of an identical article to see yourself. (Note: sometimes the numbers are off the first couple of times you…”
488. WebSockets vs. Server-Sent-Events vs. Long-Polling vs. WebRTC vs. WebTransport (rxdb.info)
518 points | 2024 | author realPubkey showed up | their comment | thread
“The article is mostly about web apps. How would your signaling server emit new connection updates to clients in the scenario you describe?”
489. Metaflow, Netflix's Python framework for data science, is now open source (metaflow.org)
517 points | 2019 | author vtuulos showed up (and submitted it) | their comment | thread
“Happy to answer any questions! Netflix has been using Metaflow internally for about two years, so we have many war stories :)”
490. Show HN: One Page Calendar 2020 (davebakker.io)
517 points | 2019 | author dbfa showed up (and submitted it) | their comment | thread
“Thanks for noticing the mistake! It's fixed now :) Happy new year!”
491. The great displacement is already well underway? (shawnfromportland.substack.com)
517 points | 2025 | author shawnfrompdx showed up | their comment | thread
“and i didn't share it to HN, I don't hang out here. I just gotta say wow, tough crowd. i wrote this piece from an emotionally low point after another fruitless day of…”
492. Does Georgism work? Five years later (astralcodexten.com)
517 points | 2026 | author larsiusprime showed up | their comment (+1 more) | thread
“Another thing I've noticed is that you never know how or what will happen until you try. I was following legislation in one state and learned that literally dozens of…”
493. RAG Is Simpler Than You Think (lighthousenewsletter.com)
516 points | 2026 | author j0selit0 showed up (and submitted it) | their comment (+4 more) | thread
“at most companies I've worked for recently (F500) RAG is still quite trendy. this was what frustrated me a bit and motivated to write this article - along with other…”
494. I put my whole life into a single database (krausefx.com)
515 points | 2022 | author krausefx showed up | their comment (+9 more) | thread
“Yes, I agree. For this project, only 5% of the 383,000 data points were collected manually, the rest came from various data sources like RescueTime, Apple Health,…”
495. Are OpenAI and Anthropic losing money on inference? (martinalderson.com)
515 points | 2025 | author martinald showed up (and submitted it) | their comment | thread
“Yes I am aware of that and did mention it. However - what I wanted to push back in this article was that claude code was completely unsustainable and therefore a flash…”
496. Crypto 101 – Introductory course on cryptography (crypto101.io)
514 points | 2018 | author lvh showed up | their comment (+1 more) | thread
“Hi! I'm the author. Happy to answer questions.”
497. We use Kubernetes and spot instances to reduce EC2 billing up to 80% (tuananh.net)
514 points | 2020 | author tuananh showed up | their comment (+1 more) | thread
“please note that this is what we did in 2016-2017 where kops(what we use to provision) did not support spot fleet yet. also, this works out so well for our use case…”
498. YC: Requests for Startups (ycombinator.com)
514 points | 2024 | author siyinghz showed up | their comment | thread
“We like to back strong technical founders, and some may be interested in working in AR/VR like I did years ago. You are right that the software is lacking which is more…”
499. Show HN: Lisp with GC in 436 Bytes (justine.lol)
513 points | 2021 | author jart showed up (and submitted it) | their comment (+5 more) | thread
“You know it when you see it. LISP is a tool that people want to use. People write production software using it. For example, this website (Hacker News) was written in…”
500. Become Shell Literate (drewdevault.com)
512 points | 2020 | author ddevault showed up | their comment | thread
“Some extra tips for HN: If you dislike POSIX sh, consider looking at Plan 9's rc before you look anywhere else (including bash): Also, I would advise you to learn about…”
501. URLs are state containers (alfy.blog)
512 points | 2025 | author ahmadalfy showed up | their comment | thread
“First of all thank you for your words about the content. I get why you might feel that way. English isn’t my first language, so I sometimes use GPT to help me polish…”
502. How to start a startup without ruining your life (superhi.com)
511 points | 2017 | author riklomas showed up | their comment | thread
“if anyone has any questions about it, I'm happy to answer and I'd love to hear your thoughts on the article!”
503. PNG files can be animated via network latency (da.vidbuchanan.co.uk)
511 points | 2021 | author DavidBuchanan showed up | their comment | thread
“this was just a quick PoC, I'm pleasently surprised that it seems to be handling all the HN traffic. It's served from a python script using aiohttp, behind nginx, on a…”
504. Self-Hosting Dozens of Web Applications and Services on a Single Server (cprimozic.net)
511 points | 2021 | author Ameo showed up | their comment | thread
“- Request rate is pretty low on average and peaks at around 15 requests/second. That's nothing really and it would probably take 100x or more request rate before I saw…”
505. Git git git git git (caiustheory.com)
510 points | 2017 | author caiusdurling showed up (and submitted it) | their comment | thread
“I'm glad someone else appreciated it besides me. :-) (It's especially pleasing to watch the system calls it generates via strace or dtrace!)”
506. NewSQL databases fail to guarantee consistency and I blame Spanner (dbmsmusings.blogspot.com)
510 points | 2018 | author abadid showed up | their comment | thread
“I'm happy to respond to comments on the post on this thread for the next several hours. You can also leave comments on the post itself, and I will respond there at any…”
507. Remote Code Execution in Slack desktop apps (hackerone.com)
510 points | 2020 | author oskarsv showed up | their comment | thread
“Just some thoughts on comments here. Sure the bounty is low, but ultimately it's their money and their decision. They will deal with the 'consequences' of others…”
508. Fixing an Elgato HD60 S HDMI capture device with the help of Ghidra (downtowndougbrown.com)
510 points | 2024 | author dougg3 showed up | their comment | thread
“This was a long, drawn-out project. For some context, I ordered the replacement regulators in February. The new LED driver chips were ordered in March, so that was…”
509. A new way to make maps with OpenStreetMap (protomaps.com)
508 points | 2021 | author bdon showed up | their comment (+2 more) | thread
“so there are a few options: 1) If your information belongs in OpenStreetMap, you can add it via an editor like the web editor at - this will also benefit all other OSM…”
510. AI is stifling new tech adoption? (vale.rocks)
508 points | 2025 | author OuterVale showed up | their comment | thread
“May I request a source for that? Platform docs state:”