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Introduction to AT Protocol

news.ycombinator.com Kuba Suder 2025-11-10 09:13:09

Some time ago I wrote a long blog post I called “Complete guide to Bluesky”, which explains how all the user-facing features of Bluesky work and various tips and tricks. This one is meant to be a bit like a developer version of that – I want to explain in hopefully understandable language what all the pieces of the network architecture are and how they all fit together. I hope this will let you understand better how Bluesky and the underlying protocol works, and how it differs from e.g. the Fedi

Topics: atproto bluesky like pds post

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Introduction to Bluesky's AT Protocol

news.ycombinator.com Kuba Suder 2025-11-10 21:13:09

Some time ago I wrote a long blog post I called “Complete guide to Bluesky”, which explains how all the user-facing features of Bluesky work and various tips and tricks. This one is meant to be a bit like a developer version of that – I want to explain in hopefully understandable language what all the pieces of the network architecture are and how they all fit together. I hope this will let you understand better how Bluesky and the underlying protocol works, and how it differs from e.g. the Fedi

Topics: atproto bluesky like pds post

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The value of hitting the HN front page

news.ycombinator.com Unknown 2025-11-12 06:00:11

I’ve been a member of Hacker News (HN) since 2012. You can see my profile here. (Thanks to Jeff Beard for introducing me to it so many years ago.) I currently hover around the upper 30s on the top 100 leader list. I’ve talked about that community with the good folks at RedMonk. After submitting thousands of stories, including over 400 with more than 100 points, here are outcomes I expect from a high ranking HN post. Traffic The first is the traffic. It’s not uncommon to get thousands of visit

Topics: don hn post traffic ve

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The Value of Hitting the HN Front Page

news.ycombinator.com Unknown 2025-11-12 12:00:11

I’ve been a member of Hacker News (HN) since 2012. You can see my profile here. (Thanks to Jeff Beard for introducing me to it so many years ago.) I currently hover around the upper 30s on the top 100 leader list. I’ve talked about that community with the good folks at RedMonk. After submitting thousands of stories, including over 400 with more than 100 points, here are outcomes I expect from a high ranking HN post. Traffic The first is the traffic. It’s not uncommon to get thousands of visit

Topics: don hn post traffic ve

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The Moment the AI Hype Cycle Really Kicked In

gizmodo.com Aj Dellinger 2025-11-13 21:25:54

Does it feel like news about artificial intelligence is inescapable? You’re not just imagining it. Zach Perkel, the Principal and Director of Applied AI at enterprise AI firm Fractal, tracked the number of AI-related posts that managed to crack the top 10 stories on Y Combinator’s Hacker News, and found that we are experiencing peak AI (so far). Perkel analyzed 24,910 articles and posts that managed to crack the Hacker News top 10 from January 1st, 2019, to August 15th, 2025, to determine just

Topics: ai just news posts quarter

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Emacs as your video-trimming tool

news.ycombinator.com Unknown 2025-11-14 06:22:01

██ ██ ███████ ███ ██ ██████ ██████ ██ ██ ██ ███ ███ ██ ██ ██ ████ ██ ██ ██ ██ ██ ██ ██ ██ ████ ████ ███ █████ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ████ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ███████ ██ ████ ██████ ██████ ██ ██████ ██ ██ Marcin ‘mbork’ Borkowski has a nice post showing us how he trims video clips from our beloved editor. Trimming clips is something I do from time, specially when posting a screencast of sorts. Since I don't need much, I typically resort to QuickTime

Topics: macos mode post trimming video

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Teenage Engineering did it again

theverge.com Jay Peters 2025-11-17 04:00:00

is a news editor covering technology, gaming, and more. He joined The Verge in 2019 after nearly two years at Techmeme. Posts from this author will be added to your daily email digest and your homepage feed. Hi, friends! Welcome to Installer No. 94, your guide to the best and Verge-iest stuff in the world. (If you’re new here, welcome, did you hydrate today, and also you can read all the old editions at the Installer homepage.) I also have for you some durable cables, a great new Alien show,

Topics: installer like new post week

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PG Auto Upgrade – Docker (and K8s) container to auto upgrade your database

news.ycombinator.com Unknown 2025-11-16 11:10:30

pgautoupgrade This is a PostgreSQL Docker image to automatically upgrade your database. Its whole purpose in life is to automatically detect the version of PostgreSQL used in the existing PostgreSQL data directory, then automatically upgrade it (if needed) to the required version of PostgreSQL using pg_upgrade with the --link option. After this, the PostgreSQL server starts and runs as per normal. The old cluster data will be removed. The reason this Docker image is needed, is because the of

Topics: data docker image pgautoupgrade postgresql

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ClickHouse matches PG for single-row UPDATEs and 4000 x faster for bulk UPDATEs

news.ycombinator.com Unknown 2025-11-17 22:52:43

TL;DR · On identical hardware and data, ClickHouse matches PostgreSQL for single-row UPDATEs and is up to 4,000× faster in our tests for bulk UPDATEs. · Why it matters: Bulk updates are common in OLTP workloads, and ClickHouse’s columnar design + parallelism make them far faster. · Caveat: PostgreSQL is fully transactional by default; ClickHouse isn’t. Results compare each engine’s native execution model, not identical transaction guarantees. PostgreSQL is the most popular open-source

Topics: clickhouse data postgresql update updates

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These 5 Posture Corrector Picks Will Straighten You Out (2025)

wired.com Boutayna Chokrane 2025-11-17 17:00:00

Compare Top 5 Posture Correctors How We Test Posture Correctors AccordionItemContainerButton LargeChevron We tested each posture corrector, wearing them through the routines of daily life—from sitting at a desk to running errands and working out—for both short and long periods, over several months. No one wants to feel like they’re strapped into armor, so we evaluated wearability by focusing on comfort, breathable materials, and adjustability. Material quality was a priority, and we kept an eye

Topics: body correctors desk posture yoga

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Here be dragons: Preventing static damage, latchup, and metastability in the 386

news.ycombinator.com Unknown 2025-11-18 02:34:10

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Why the former editor of Polygon is making a podcast for old gamers

theverge.com Jay Peters 2025-11-17 22:30:00

is a news editor covering technology, gaming, and more. He joined The Verge in 2019 after nearly two years at Techmeme. In a recent episode of Post Games, host Chris Plante explores how video games can help players understand death. He’s interviewing Kaitlin Tremblay, who is working on Ambrosia Sky, a game about death. “What is it about games that is so useful for exploring the topic?” Plante asks. “I think there’s something really lovely about the way in which games invite players in,” Tremb

Topics: games media plante post says

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EasyPost (YC S13) Is Hiring

news.ycombinator.com Unknown 2025-11-19 00:01:23

We want to ensure your safety and protect you from potential scams. Recently, there have been fraudulent recruitment initiatives online that impersonate our company. These scams aim to deceive unsuspecting applicants by offering nonexistent positions and requesting personal information or upfront fees. Remember that our company does not endorse any job postings outside our official channels. If you encounter a suspicious offer, report it through the job platform on which you found it or report

Topics: company easypost email information job

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Why and how to write things on the Internet (2022)

news.ycombinator.com Unknown 2025-11-18 17:14:14

December 2022 Recently I noticed that most existing “why you should write a blog” articles (e.g.) have at least one of two shortcomings, according to me: They mostly focus on counterarguments to not starting a blog, rather than positive arguments in favor of starting one—as if people’s natural state is to produce amazing blogs and the only thing holding them back is silly misconceptions. This might be true for extreme outliers like Scott Alexander, but personally, my natural state is to play l

Topics: blog people post posts writing

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Org-social is a decentralized social network that runs on Org Mode

news.ycombinator.com Unknown 2025-11-20 06:00:25

Org-social is a decentralized social network that runs on an Org Mode file over HTTP. Quickstart Create a file called social.org . M-x find-file RET social.org RET Edit the file and add your basic information: #+TITLE: Bob's journal #+NICK: Bob #+DESCRIPTION: I'm a software developer and I love open source. #+AVATAR: https://my-awesome-website.com/avatar.jpg #+LINK: https://my-awesome-website.com #+FOLLOW: foo http://foo.org/social.org #+FOLLOW: jane https://jane.com/social.org * Posts ** :

Topics: 00 org post properties social

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What is Bluesky? Everything to know about the X competitor

techcrunch.com Amanda Silberling 2025-11-21 15:56:59

Is the grass greener on the other side? We’re not sure, but the sky is most certainly bluer. It’s been over two years since Elon Musk purchased Twitter, now X, leading people to set up shop on alternative platforms. Mastodon, Post, Pebble (two of which have already shuttered operations) and Spill have been presented as potential replacements, but few aside from Meta’s Threads have achieved the speed of growth Bluesky has reached. As of February 2025, Bluesky has surpassed 30 million users. Its

Topics: app bluesky moderation posts users

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Org-social is a decentralized social network that runs on an Org Mode

news.ycombinator.com Unknown 2025-11-22 17:55:35

Org-social is a decentralized social network that runs on an Org Mode file over HTTP. Quickstart Create a file called social.org . M-x find-file RET social.org RET Edit the file and add your basic information: #+TITLE: Bob's journal #+NICK: Bob #+DESCRIPTION: I'm a software developer and I love open source. #+AVATAR: https://my-awesome-website.com/avatar.jpg #+LINK: https://my-awesome-website.com #+FOLLOW: foo http://foo.org/social.org #+FOLLOW: jane https://jane.com/social.org * Posts ** :

Topics: 00 org post properties social

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Neki – Sharded Postgres by the team behind Vitess

news.ycombinator.com Unknown 2025-11-27 06:03:57

Announcing Neki By Andres Taylor, Dirkjan Bussink, Harshit Gangal, Nick Van Wiggeren, Noble Mittal, Rohit Nayak, Roman Sodermans, Shlomi Noach, Sam Lambert | August 11, 2025 Today, we are announcing Neki — sharded Postgres by the team behind Vitess. Vitess is one of PlanetScale’s greatest strengths and contemporary Vitess is the product of our experience running at extreme scale. We have made explicit sharding accessible to hundreds of thousands of people and it is time to bring this power to

Topics: announcing neki postgres scale vitess

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Show HN: Keeps – Mail a postcard that plays your voice

news.ycombinator.com Unknown 2025-11-28 18:45:09

How long does delivery take? After printing has completed, domestic (USA) delivery typically takes 4-6 business days via USPS First Class Mail. International delivery takes 9-13 business days. We provide tracking so you can follow your postcard's journey. Est. Delivery: Aug 21–Aug 25 How does the voice message work? After creating your postcard, you'll record up to 60 seconds of audio. We generate a unique QR code that's printed on the postcard. Recipients simply scan it with their phone camera

Topics: app days delivery postcard postcards

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Here are all the GPT-5 updates OpenAI has rolled out since launch

zdnet.com Webb Wright 2025-11-29 15:58:00

SOPA Images/Contributor/Getty ZDNET's key takeaways: OpenAI released its long-awaited GPT-5 on Thursday. Some users complained GPT-5 was inferior to its predecessor, 4o. In response, the company announced a flurry of changes. OpenAI released GPT-5, the long-awaited upgrade to the model which powers ChatGPT, Thursday. In typical OpenAI fashion, the release has included plenty of twists, turns, and drama. It was almost inevitable that the new model would disappoint a significant number of pe

Topics: gpt model openai post users

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Neki – sharded Postgres by the team behind Vitess

news.ycombinator.com Unknown 2025-11-30 00:03:57

Announcing Neki By Andres Taylor, Dirkjan Bussink, Harshit Gangal, Nick Van Wiggeren, Noble Mittal, Rohit Nayak, Roman Sodermans, Shlomi Noach, Sam Lambert | August 11, 2025 Today, we are announcing Neki — sharded Postgres by the team behind Vitess. Vitess is one of PlanetScale’s greatest strengths and contemporary Vitess is the product of our experience running at extreme scale. We have made explicit sharding accessible to hundreds of thousands of people and it is time to bring this power to

Topics: announcing neki postgres scale vitess

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A CT scanner reveals surprises inside the 386 processor's ceramic package

news.ycombinator.com Unknown 2025-12-01 02:17:07

Get new posts by email: Subscribe

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James Gunn Doesn’t Want You to Trust Anything About ‘The Batman Part II’ Until It Comes From Him

gizmodo.com Isaiah Colbert 2025-12-02 00:30:44

The Hollywood rumor mill is nothing new, especially when it comes to high-profile projects, but social media can encourage speculation to spiral out of control. While DC’s James Gunn is no stranger to chaos, one recent rumor prompted him to take to social media to warn against believing things that don’t come through verified channels—a position Gunn can take, being the rare studio head who’s terminally online enough to nip disinformation in the bud. Gunn put his foot down regarding the specula

Topics: dc gunn media posts social

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Build durable workflows with Postgres

news.ycombinator.com Unknown 2025-12-02 05:24:07

When we started building a durable workflows library, the most critical architectural decision we faced was what data store to use for workflow metadata. The core durable workflow operations are simple–checkpointing workflow state and recovering an interrupted workflow from its latest checkpoint. Almost any data store can handle these operations, but choosing the right one is critical to ensure workflows are scalable and performant. In this blog post, we’ll dive deep into why we chose to build

Topics: durable postgres step workflow workflows

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Instagram’s Map is here, and this is how you can turn your location off

theverge.com Richard Lawler 2025-12-02 14:27:48

is a senior editor following news across tech, culture, policy, and entertainment. He joined The Verge in 2021 after several years covering news at Engadget. Posts from this author will be added to your daily email digest and your homepage feed. It’s only been a couple of days since the Instagram Map launched, and from the looks of our social feeds, people are not happy about it. Responses have ranged from being mildly annoyed that Instagram is ripping off Snapchat’s Snap Maps instead of offe

Topics: feature instagram location map posts

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Instagram’s Map is here, and this is how you can turn it off

theverge.com Richard Lawler 2025-12-02 20:27:48

is a senior editor following news across tech, culture, policy, and entertainment. He joined The Verge in 2021 after several years covering news at Engadget. Posts from this author will be added to your daily email digest and your homepage feed. It’s only been a couple of days since the Instagram Map launched, and from the looks of our social feeds, people are not happy about it. Responses have ranged from being mildly annoyed that Instagram is ripping off Snapchat’s Snap Maps instead of offe

Topics: feature instagram location map posts

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Spatio-temporal indexing the Bluesky firehose

news.ycombinator.com Unknown 2025-12-04 12:32:10

Spatio-temporal indexing the BlueSky firehose Joel Gustafson / Posts / 2025-08-07 I recently added a "spatial feed" to Aurora, my map of Bluesky. Now, in addition to seeing community clusters laid out on a giant map, you can also see a real-time of posts from just the accounts currently in view. This works smoothly at all scales — you can see the most recent posts from the entire network when zoomed all the way out, and local posts from any neighborhood when zoomed in. How does this work? Th

Topics: const node post pub self

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Building Bluesky comments for my blog

news.ycombinator.com Unknown 2025-12-05 08:56:01

I hate disqus too much. August 6, 2025 · ~6 min read I’ve been running my blog without decent comments for years. Not by choice, really - I just couldn’t find a solution that didn’t suck. Disqus? Slow, heavy, tracks users, and I don’t own anything. Plus it makes every page 100x slower to load. Self-hosted solutions? Great in theory. (not really.) You’re signing up to manage users, moderate spam, maintain databases, and deal with all the headaches that come with running basically a miniature

Topics: bluesky comments like people post

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Building Bluesky Comments for My Blog

news.ycombinator.com Unknown 2025-12-05 14:56:01

I hate disqus too much. August 6, 2025 · ~6 min read I’ve been running my blog without decent comments for years. Not by choice, really - I just couldn’t find a solution that didn’t suck. Disqus? Slow, heavy, tracks users, and I don’t own anything. Plus it makes every page 100x slower to load. Self-hosted solutions? Great in theory. (not really.) You’re signing up to manage users, moderate spam, maintain databases, and deal with all the headaches that come with running basically a miniature

Topics: bluesky comments like people post

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How to watch OpenAI’s ‘longer than usual’ GPT-5 reveal, as teased by a Death Star

9to5mac.com Zac Hall 2025-12-06 10:28:31

“That’s no moon,” as Obi-Wan Kenobi once said. OpenAI CEO Sam Altman stirred intrigue with a cryptic post last night showing the Death Star from Star Wars as a hint that something big is coming. That “something big” is undoubtedly GPT-5, OpenAI’s latest frontier model coming to ChatGPT. The company shared a less ambiguous post on X yesterday teasing the upcoming livestream. Since then, Altman has added that OpenAI’s next livestream will be “longer than usual” with a runtime of “about an hour.”

Topics: altman chatgpt livestream openai post

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Latest Tech News

Introduction to AT Protocol

Introduction to Bluesky's AT Protocol

The value of hitting the HN front page

The Value of Hitting the HN Front Page

The Moment the AI Hype Cycle Really Kicked In

Emacs as your video-trimming tool

Teenage Engineering did it again

PG Auto Upgrade – Docker (and K8s) container to auto upgrade your database

ClickHouse matches PG for single-row UPDATEs and 4000 x faster for bulk UPDATEs

These 5 Posture Corrector Picks Will Straighten You Out (2025)

Here be dragons: Preventing static damage, latchup, and metastability in the 386

Why the former editor of Polygon is making a podcast for old gamers

EasyPost (YC S13) Is Hiring

Why and how to write things on the Internet (2022)

Org-social is a decentralized social network that runs on Org Mode

What is Bluesky? Everything to know about the X competitor

Org-social is a decentralized social network that runs on an Org Mode

Neki – Sharded Postgres by the team behind Vitess

Show HN: Keeps – Mail a postcard that plays your voice

Here are all the GPT-5 updates OpenAI has rolled out since launch

Neki – sharded Postgres by the team behind Vitess

A CT scanner reveals surprises inside the 386 processor's ceramic package

James Gunn Doesn’t Want You to Trust Anything About ‘The Batman Part II’ Until It Comes From Him

Build durable workflows with Postgres

Instagram’s Map is here, and this is how you can turn your location off

Instagram’s Map is here, and this is how you can turn it off

Spatio-temporal indexing the Bluesky firehose

Building Bluesky comments for my blog

Building Bluesky Comments for My Blog

How to watch OpenAI’s ‘longer than usual’ GPT-5 reveal, as teased by a Death Star

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