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Using watermarks to coordinate change data capture in Postgres
Explore the challenges of building a change data capture (CDC) pipeline for Postgres. And see how Sequin used a watermark design inspired by Netflix's DBLog.
New
The latest blog posts to take off on Hacker News. 80,862 posts.
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Be a property owner and not a renter on the internet
Why owning your own domain and publishing on the open web beats renting attention from Reddit, Discord, Facebook, and other mega-concentrated platforms.
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I still don't think companies serve you ads based on your microphone
One of my weirder hobbies is trying to convince people that the idea that companies are listening to you through your phone’s microphone and serving you targeted ads is a …
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It Matters Who Owns Your Copylefted Copyrights (2021)
Throughout the history of Free and Open Source software (FOSS), copyright assignment has simultaneously been controversial and accepted as the norm in our FOSS communities. This paradox, I believe, stems entirely from some key misunderstandings that perpetuate. This issue requires urgent discussion, as two of the most…
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The Alder Lake SHLX Anomaly
Apparently shlx is a “medium latency” (3 cycles) instruction on Alder Lake. My disappointment is immeasurable, and my day is ruined.
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I am rich and have no idea what to do
Life has been a haze this last year. After selling my company, I find myself in the totally un-relatable position of never having to work again. Everything feels like a side quest, but not in an inspiring way. I don’t have the same base desires driving me to make money or gain status. I have infinite freedom, yet I…
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Documenting an 1115 ft radio tower climb
Some broadcast engineering tasks are a bit too daunting for me to consider. Climbing the massive towers that power radio and TV stations is one of them! Your browser does not support the video tag. Recently, local engineer Aaron Cox had the perfect set of conditions for a drone flight to capture some of that risk, as…
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Advent of Code 2024 in pure SQL
A blog by and for database architects.
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Building a Knowledge System That Enhances Rather Than Replaces Thought
Preserving and augmenting human insight in an age of automated knowledge with Zettelgarden
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Kakizome: Japanese way of new-years resolution
Kakizome, Japanese way of new-years resolution
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Diagnosing an Unusual WiFi Issue (2020)
Late last year, I started experiencing some unusual intermittent connection issues on my Desktop. In general, I had a stable connection with average latency; however, at (seemingly) random times throughout the week, I would start experiencing sudden 2000ms+ latency spikes every couple of seconds.
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Postgres UUIDv7 and per-back end monotonicity
How Postgres’ v7 UUIDs are made monotonic, and why that’s a great feature.
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Rules for writing software tutorials
It's easier than you think to write an exceptional software tutorial. You can stand out in a sea of mediocre guides by following a few simple rules.
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Standard Ebooks Public Domain Day 2025 in Literature
Read about the new ebooks Standard Ebooks is releasing for Public Domain Day 2025!
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Blogs rot. Wikis wait
blogs rot. wikis wait. 2025-01-01 wiki is my abyss is my wiki is my abyss is my wiki is my abyss is my wiki is my abyss is my wiki is my abyss is my wiki is my abyss is my wiki is my abyss is my wiki is my abyss is my wiki is my abyss is my wiki is my abyss is my wiki is my abyss is my wiki is my abyss is my wiki is…
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My 25-year adventure in AI and ML
This is the 25-year story of how I fell into the field of AI.
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Rails for everything
After spending part of my holiday building and deploying a new Rails 8 application, It's clearer than ever that Rails is awesome, and it's especially great f...
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My favourite computer ergonomics hack
In this post I will talk about my favourite computer ergonomics hack, a DIY device I call "The Beeper".
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Indexing Code at Scale with Glean
We’re sharing details about Glean, Meta’s open source system for collecting, deriving, and working with facts about source code. In this blog post we’ll talk about why a system like Glean is import…
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Axum 0.8
Tokio is a runtime for writing reliable asynchronous applications with Rust. It provides async I/O, networking, scheduling, timers, and more.
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Welcome to the Public Domain in 2025
Celebrate the public domain with the Internet Archive in the following ways: Register for our Public Domain Day celebrations on January 22 - both virtual and in-person. Submit a short film to our Public Domain Film Remix contest. Explore the works that have entered the public domain in 2025, below. On January 1, 2025…
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Why does storing 2FA codes in your password manager make sense?
Modern login systems require a second factor (2FA) to log in, in addition to the standard username and password combination. A Time-based one-time password (TOTP) as a 6-digit number is often used. Password managers like [1Password](https://1password.com/), [KeePass (or respective forks)](https://keepass.info/) and…
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Databases in 2024: A Year in Review
Andy rises from the ashes of his dead startup and discusses what happened in 2024 in the database game.
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Ruby 3.4 Highlights
Alright, you know the drill. The Ruby team do the hard work of putting together a new version packed with features and I pick my favourites and write about them.
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You don't need Next.js – Why we migrated from Next to React
Why we moved the ComfyDeploy dashboard from Next.js to React with TanStack Router and Rspack: build time fell from 3 minutes to 18 seconds.
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Books I Loved Reading in 2024
The Books I Enjoyed Most in 2024
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