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Scaling Mercurial at Facebook
Visit the post for more.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 21,819 posts.
2912
Eight years of Go
Happy 8th birthday, Go!
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Emacs: The most successful malleable system
Emacs is probably the most successful malleable system in the history of computing. What can we learn from it for designing the malleable systems of the future?
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You can beat the binary search
We sometimes have to look for a value in a sorted array. The simplest algorithm consists in just going through the values We sometimes have to look for a value in a sorted array. The simplest algorithm consists in just going through the values one by one, until we encounter the value, or exhaust the … Continue reading…
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Deploys at Slack
Deploys require a careful balance of speed and reliability. At Slack, we value quick iteration, fast feedback loops, and responsiveness to customer feedback. We also have hundreds of engineers who are trying to be as productive as possible. Keeping to these values while growing as a company means continual refinement…
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Rearchitecting: Redis to SQLite
Learn how we approached migrating our Wafris v1 client based on Redis to a new faster, easier to use SQLite architecture.
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River: A fast, robust job queue for Go and Postgres
Introducing River, a Postgres-based job queue designed for resilience and correctness through strong transactional guarantees.
2920
Can Bundler be as fast as uv?
At RailsWorld earlier this year, I got nerd sniped by someone. They asked “why can’t Bundler be as fast as uv?” Immediately my inner voice said “YA, WHY CAN’T IT BE AS FAST AS UV????” My inner voice likes to shout at me, especially when someone asks a question so obvious I should have thought of it myself. Since then…
2921
I made a transformer to predict a simple sequence manually
To better understand how transformers work, I hand-assigned all the weights to predict a simple sequence.
2922
Announcing Project Zero
Posted by Chris Evans, Researcher Herder Security is a top priority for Google. We've invested a lot in making our products secure, incl...
2923
Becoming a Better Software Developer: A Handbook on Personal Performance
Explore Appfire's Blog for everything from ITSM and Workflow and Automation to System Administration, Software Development, and DevOps.
2924
Distributed Systems Shibboleths
Shibboleths are historically a word or phrasing that indicate membership in a particular group or culture. I was introduced to the term in the West Wing where the President needed to verify the veracity of a person’s claims of religious persecution.
2925
Representation Engineering: Mistral-7B on Acid
Playing around with the Representation Engineering paper, I made some interesting control vectors, and a Python package to make your own.
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Algorithms on Khan Academy – a collaboration with Dartmouth College professors
What is an algorithm ? It’s a sequence of steps that you follow to solve a problem. In everyday life, you might have an algorithm for hangin...
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Functors and Monads for People Who Have Read Too Many “Tutorials”
Title is literally true. This may not be the best place to learn about these concepts for the first time, because I'm going to focus on knocking down the misconceptions about them.
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How UTF-8 Works
If you're anything like me, you love emojis! Emojis appear like an image on the screen, but they aren't an image like a PNG or JPEG. What do emojis look like to computers? 

0x820x820x980...
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Bun v0.8
Bun gets debugger support, fetch streaming, and `bun update`. ReadStream and WriteStream from `node:tty` are implemented, including raw mode on `process.stdin`. SvelteKit now works in Bun. Plus bug fixes and stability improvements.
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What happens when you make a move in lichess.org?
Dive deep into the open-source architecture of Lichess.org to understand the technical processes behind making a move in a game.
2935
Fast, Safe, and Complete(ish) Web Service in Rust
A detailed look at the frameworks, concurrency model, error handling, middleware constructs, and testing strategies of a web service written in Rust.
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BMW Connected Apps Protocol
Stories about my nerd projects
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Biggest image in the smallest space
What’s the biggest pixel size of a PNG image in the smallest number of bytes? I wanted to try to create an image that could be downloaded but whose pixel buffer would be too big to store in the RAM of a PC. Here is a PNG image of 6,132,534 bytes (5.8 MB) and 225,000 × 225,000 pixels (50.625 gigapixels), which, if…
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Twenty Eighth International Obfuscated C Code Contest
IOCCC Year 2024
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