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The Olivetti Company
Beautiful machines from a beautiful country
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 80,939 posts.
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PostgreSQL beginner guide
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A Google Brain engineer’s guide to entering AI
Technical AI safety is a multifaceted area of research, with many sub-questions in areas such as reward learning, robustness, and interpretability. These will all need to be answered in order to make sure AI development will go well for humanity as systems become more and more powerful. Not all of these questions are…
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What It's Like to View a SpaceX Falcon Heavy Launch
Olivier Forget's Personal Blog
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Annotated code: Circles bouncing off lines
Uses some simple trigonometry to calculate the movement of circles bouncing off lines.
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Improvements to the Xerox Alto Mandelbrot drop runtime from 1 hour to 9 minutes
Last week I wrote a Mandelbrot set program for the Xerox Alto, which took an hour to generate the fractal. The point of this project was to...
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How I stay motivated working on my long-term project
Becoming successful online doesn't happen overnight. If you want to make it, you need to commit to your goal for at least a few years. See how the three year rule can help you stay motivated on your long-term project.
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Critical step found in DNA repair, cellular aging (2017)
The body’s ability to repair DNA damage declines with age, which causes gradual cell demise, overall bodily degeneration, and greater susceptibility to cancer. Experiments in mice suggest a way to thwart DNA damage.
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Comparing how different devices display the SSID “á̶̛̛̓̿̈͐͆̐̇̒̑̈́͘͝aaa”
I'm a software and network engineer living on the west coast. I currently work at Qumulo writing a petabyte-scale CDN with linearizable reads and writes at every edge. Previously, I worked at Arista Networks doing network automation, large scale digital-twin network validation, and routing for SMPTE2110 networks.
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PostgreSQL internals: Things to know about update statements
I recently finished reading PostgreSQL 14 Internals by Egor Rogov. It is one of the great books that teach applied computer science without watering down the difficult parts. One particularly interesting topic is PostgreSQL’s execution of UPDATE statements. Updates in relational databases are inherently complex. They…
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What’s in that .wasm? Introducing wasm-decompile
WABT gains a new decompilation tool that can make it easier to read the contents of Wasm modules.
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How I motivate myself to write
Since leaving Uber a year ago, in October 2020, I've been making a living from writing - one with comparable income [https://twitter.com/GergelyOrosz/status/1449075825329020932] to when I was employed. None of this would have happened if I did not start to write this blog several years ago.
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Assorted less(1) tips
In a recent discussion on Reddit I shared a number of tips about the common utility less(1) that others found helpful so I figured I'd aggregate some of those tips here.
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Looking at your program’s structure in Go 1.7
Go 1.7—out today!—features an new SSA-based compiler backend. SSA is a method of describing low-level operations like loads and stores that roughly map to machine instructions, with the special difference that SSA acts as though it has infinite number...
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Communicating Advanced Mathematics to Kids
I’ve often thought that we could do a lot better job of explaining “advanced” mathematics concepts in simple language for the benefit of a wider audience. As a student, I never liked being told, “We’ll explain that to you next year.” As a teacher, I’ve always wanted be able to give real answers to students’…
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Preserving Fisher-Price Pixter
Dmitry.GR: Fisher-Price Pixter: From unknown and obscure to fully documented, emulated, and preserved
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Write up of my homebrew CPU build
The blog of an engineer from Canada
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Inspecting Yosemite's Icons
Dive deep into the visual updates of Yosemite's icons with this comprehensive analysis. From shapes and grids to lighting effects, learn how Apple's new design language impacts icon creation and discover tips for making your icons stand out in the Yosemite environment.
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The unreasonable effectiveness of fuzzing for porting programs
A simple strategy of having LLMs write fuzz tests and build up a port in topological order seems effective at automating porting from C to Rust.
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Scalable, Resilient Brainfuck
Building Brainf∗ck interpreter for the 21 century, with all the best systems design practices in mind. Think of Brainf∗ck-as-a-service cloud solution!
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Number plate recognition with Tensorflow
Over the past few weeks I’ve been dabbling with deep learning, in particular convolutional neural networks . One standout paper from recent times is Google’s Multi-digit Number Recognition from Street View . This paper describes a system for extracting house numbers from street view imagery using a single end-to-end…
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Amazon Lightsail 1GB Is No Match for $10 VPS from Linode, DO
Amazon Lightsail 1GB is no match for $10 VPS from Linode, DO, Vultr...
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Screenshots Forever and Ever Until You Can’t Stand it
The Screen Shotgun, as mentioned before, is continuing its never-ending quest to play tens of thousands of games and programs, take screenshots, and upload them into the Internet Archive. Like any …
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Elliptic Curve Cryptography: a gentle introduction
Those of you who know what public-key cryptography is may have already heard of ECC , ECDH or ECDSA . The first is an acronym for Elliptic Curve Cryptography, the others are names for algorithms based on it.
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Let’s Encrypt Receives the Levchin Prize for Real-World Cryptography
On April 13, 2022, the Real World Crypto steering committee presented the Max Levchin Prize for Real-World Cryptography to Let’s Encrypt. The following is the speech delivered by our Executive Director, Josh Aas, upon receiving the award. We’d like to thank our community for supporting us and invite you to join us in…