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Unix and Multics (2019)
Story from the development of the Multics operating system. Unix, our famous child.
New
The latest blog posts to take off on Hacker News. 5,273 posts.
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So We've Got a Memory Leak
A story of finding, understanding, and fixing a memory leak in our Rails app. With graphs and code!
3303
The world has probably passed peak pollution
Millions die prematurely from local air pollution, but we can reduce this number significantly.
3304
How bad are satellite megaconstellations for astronomy?
Over the last number of years, our planet has become encircled by Starlink, OneWeb, and other “megaconstellation” satellites.
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It's always TCP_NODELAY
The first thing I check when debugging latency issues in distributed systems is whether TCP_NODELAY is enabled. And it’s not just me. Every distributed system builder I know has lost hours to latency issues quickly fixed by enabling this simple socket option, suggesting that the default behavior is wrong, and perhaps…
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VideoPrism: A foundational visual encoder for video understanding
Posted by Long Zhao, Senior Research Scientist, and Ting Liu, Senior Staff Software Engineer, Google Research An astounding number of videos are av...
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New UUID formats have been approved
This document presents new time-based UUID formats which are suited for use as a database key. A common case for modern applications is to create a unique identifier for use as a primary key in a database table. This identifier usually implements an embedded timestamp that is sortable using the monotonic creation time…
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UTC, Tai, and Unix Time (2001)
TAI times are identified by year, month, day, hour, minute, and second. There are exactly 86400 TAI seconds in every TAI day. TAI days are labelled by the Gregorian calendar.
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The Time I Lied to the CTO and Saved the Day
This was several years back. Keep in mind that early in my career, my father had told me that doing a good job often meant doing what needed to be done in spite of your boss. And by that he meant that you can either make your boss successful and happy or you can run every decision by your boss. In which case no one is…
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Opening Windows in Linux with sockets, bare hands and 200 lines of C
In this post I want to create a single file C file program to open a windows inside Linux without using xlib or any similar libraries. The idea is to explore X11 protocol and see how it is used to interact with X server to create windows.
3312
Stack Overflow users deleting answers after OpenAI partnership
In this ever changing and evolving world of user generated versus AI generated content, the recent announcement of Stack Overflow partnering with OpenAI recently has been met with some backlash by …
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English learners can now practice speaking on Google Search
Posted by Christian Plagemann, Director, and Katya Cox, Product Manager, Google Research Learning a language can open up new opportunities in a per...
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Consistency LLM: converting LLMs to parallel decoders accelerates inference 3.5x
TL;DR: LLMs have been traditionally regarded as sequential decoders, decoding one token after another. In this blog, we show pretrained LLMs can be easily taught to operate as efficient parallel decoders. We introduce Consistency Large Language Models (CLLMs), a new family of parallel decoders capable of reducing…
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Development Notes from xkcd's "Machine"
How we designed xkcd's massive rube goldberg machine game in 3 weeks.
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AlphaFold 3 predicts the structure and interactions of life's molecules
Our new AI model AlphaFold 3 can predict the structure and interactions of all life’s molecules with unprecedented accuracy.
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40 years later, a game for the ZX Spectrum will be again broadcast over FM radio
Anyone who still has a working Spectrum ZX will then be able to test the game.
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The search for easier safe systems programming
I've been involved in the Rust project in some form or another since 2016, and it's a language I'm very comfortable using. Many Rust programmers could say the same . But, if we take a step back and are honest with ourselves, we'd admit that the road to getting to that level of comfort was difficult.
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Needle: A DFA Based Regex Library That Compiles to JVM ByteCode
Many years ago, Kragen complained about the implementation and performance of Java regexes , and suggested that an implementation that emitted JVM bytecode could perform better. It's been a minute, but I'm happy to report that complaining on the Internet has served its purpose.
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Sound-suppressing silk can create quiet spaces
MIT researchers developed a silk fabric, which is barely thicker than a human hair, that can suppress unwanted noise and reduce noise transmission in a large room.
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Facebook just updated its relationship status with Web Components
Learn about React 19 introducing support for web components and what that means for React developers and web component authors.
3326
Temporal Python – A durable, distributed asyncio event loop (2023)
Introduction to the Temporal Python SDK and how Temporal is a durable, distributed asyncio event loop
3327
Linux When?
From the Zed Blog: In this episode of Zed Decoded, Thorsten talks to Mikayla, who's been leading the effort to Zed working on Linux, about the Zed's Linux version and how it's taking shape
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SecureDrop Protocol
This blog post is a part of a series about our research toward the next generation of the SecureDrop whistleblowing …
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New iPad Pro with M4 chip and Apple Pencil Pro
The groundbreaking new iPad Pro features a stunningly thin and light design, taking portability and performance to the next level.