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My weekend project turned into a 3 year journey
I'm creating an app that started as a simple note-taking tool but has now grown into a full-fledged project way beyond what I could have imagined. Let me tell…
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 1,840 posts.
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Lessons learned reinventing the Python notebook
Designing a notebook that can be shared as an app, run as a script, versioned with git, and more
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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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FlipperZero: Our Response to the Canadian Government
In just a few years, Flipper Zero has become so popular that it’s now surrounded by many myths. It’s no wonder that people in power are trying to make Flipper Zero illegal. As you might have seen in the news, the Canadian government plans to ban Flipper Zero
1746
Finding memory leaks in Postgres C code
I spent the last week looking for a memory leak in Postgres’s WAL Sender process. I spent a few days getting more acquainted with Valgrind and gcc/clang sanitizers, but ultimately got nowhere useful with them. Finally, I stumbled on the memleak program from the bcc tools collection which led me right to the source…
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R5N - Obfuscated mesh routing on hostile networks.
This document contains the R 5 N DHT technical specification. R 5 N is a secure distributed hash table (DHT) routing algorithm and data structure for decentralized applications. It features an open peer-to-peer overlay routing mechanism which supports ad-hoc permissionless participation and support for topologies in…
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Remix's concurrent submissions are fundamentally flawed
In this article we discuss the complexity of introducing concurrent operations on the client wuthout causal ordering on the server.
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Array Languages for Clojurians (2020)
appliedscience.studio ships with Moz DA 25 and 70 referring domains — a rare descriptive .studio pickup. Listed at $100.
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U.S. women are outpacing men in college completion in every major group
Today, 47% of U.S. women ages 25 to 34 have a bachelor’s degree, compared with 37% of men.
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New Anti-Toxicity Features on Bluesky
Trust and Safety (T&S) affects everything — from community policy and spam detection, all the way to the order that replies show up on a post. At Bluesky, the product team works hand-in-hand with T&S to design features that balance safety, ease of use, and fun.
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OpenAI GPT-4 vs. Groq Mistral-8x7B
A few months ago, we ran a benchmark on a traditional parser and Mistral 7B (Open Source LLM). The quality of the parsed result from Mistral 7B is quite impressive given it is only 7B parameters. One thing we weren't satisfied with is the processing time. Recently, I stumbled
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KYC. No, Thanks
KYC was sold as a way to stop criminals. In practice it excludes the unbanked, leaks personal data on dark web markets, and surveils everyone else.
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Vue 3.5 released
The official blog for the Vue.js project
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Ancestry to paywall formerly free features included with DNA kit
Ancestry is in the process of revamping its DNA services with higher prices and new fees, including a new paid offering called AncestryDNA Plus that paywalls formerly free features. Here's what we know, and what you can do if you have ever purchased an AncestryDNA kit.
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NextNav's Callous Land-Grab to Privatize 900 MHz
The 900 MHz band, a frequency range serving as a commons for all, is now at risk due to NextNav’s brazen attempt to privatize this shared resource. Left by the FCC for use by amateur radio operators, unlicensed consumer devices, and industrial, scientific, and medical equipment, this spectrum has...
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Introduction to GPU Programming in Chapel
This post gives a beginner’s introduction to Chapel’s GPU programming features
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The origins of the steam engine (2023)
An essay with interactive animated diagrams
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Emit
One of the interesting aspects of a concatenative language like Factor is that blocks of logic can be easily extracted and easily reused since they apply logic to objects on the stack .
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Edward C. Stone, 1936-2024
Caltech mourns the loss of Edward C. Stone, leader of humanity’s first foray into interstellar space.
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Is "Rich Dad Poor Dad" a Fraud?
With my interest in personal finance, the headline Robert Kiyosaki, ‘Rich Dad Poor Dad’ Author, Says, ‘I Am a Billionaire in Debt’ — And Calls Dave Ramsey An Idiot For Encou…
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OpenAI and journalism
We support journalism, partner with news organizations, and believe The New York Times lawsuit is without merit.
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Git Worktrees and GitButler
How do git worktrees help you work on more than one branch at the same time, and how does that differ from virtual branches in GitButler?
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Vulnerabilities show why STARTTLS should be avoided if possible (2021)
Guest Post: Study finds more than 40 STARTTLS-related security flaws in many different software products, both client-side and server-side.
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Making Machines Move
Gather round the fire to hear the tale of how we built migration for stateful apps on a global public cloud without building a SAN.
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Building a 3D safety sensor with Rust
Grab your biggest mug of coffee and learn how the open-source programming language Rust supercharges our development time of the breakthrough Sonair 3D ultrasonic sensor. Claim to fame: Sonair is on track to be among the first to deploy a safety-certified Rust implementation.
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MIT engineers design tiny batteries for powering cell-sized robots
A zinc-air microbattery designed by MIT engineers could enable the deployment of cell-sized, autonomous robots for drug delivery within in the human body, as well as other applications such as locating leaks in gas pipelines.
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A Logic Language for Distributed SQL Queries
A comprehensive look at the design of Polar, and how we enabled it to operate over distributed data.