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How Netflix uses eBPF flow logs at scale for network insight
By Alok Tiagi, Hariharan Ananthakrishnan, Ivan Porto Carrero and Keerti Lakshminarayan
New
The latest blog posts to take off on Hacker News. 5,820 posts.
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Google SRE - Blameless Postmortem for System Resilience
Blameless postmortems in SRE culture. Incident study that focus on root cause analysis and preventive actions, for culture of continuous improvement.
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Sequoia 1.3
Sequoia is a modular OpenPGP implementation in Rust.
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Engineering a Chess Match
This is the story of me trying to win a game of chess against my brother. A single freaking game. What’s so special about it? Am I good at chess? Not at all. Did I improve at my game in the process? Also no. Is it a story about “the journey rather than the destination”? Not really. Did I at least have fun in the…
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Kelly Criterion – how to calculate optimal bet sizes
So, you’ve probably heard of the Kelly Criterion in the context of gambling or maybe also in the context of investing. When gamblers talk about the Kelly Criterion they are often referring to the idea of sizing your bets, which is the very intuitive idea that if you bet too much of a percentage of your total wealth…
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The pedantic checklist for changing your data model in a web application
Let's say you have a web app with some database. In your database you have an Invoice model, where you store things you are charging your customers.
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Design Issues in LLVM IR
On the whole, LLVM has a well-designed intermediate representation (IR), which is specified in the language reference . However, there are a number of areas where design mistakes have been made. And while the LLVM project is generally open to addressing such issues, mistakes in core IR design tend to be firmly…
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FaceTime on the web requires Chrome or Edge, no mention of Firefox
macOS 27 Golden Gate with all-new Siri AI powered by Apple Intelligence and new features for a more responsive, delightful experience.
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The top-ranking HTML editor on Google is an SEO scam
I went down a rabbit-hole analysing a competitor and discovered a black-hat SEO operation involving tens of thousands of websites.
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The price of lithium-ion batteries has declined by 97% in the last three decades
Batteries have become much cheaper, making energy storage far more affordable.
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Found at Goodwill: WebPad 1001 Prototype
I found this strange looking device at Goodwill yesterday. Originally, owing perhaps to the bright blue color, I thought it was some sort of educational or kids device. It had no branding on it, so…
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Web Applications from the Future: A Database in the Browser
If progress follows it's usual strategy, then whatever is difficult and valuable to do today will become easy and normal tomorrow. I imagine we'll discover new abstractions, which will make writing Google Docs as easy as the average web app is today.
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Replit used legal threats to kill my open-source project
I received an official response from Replit and my open-source project will be back up soon; please see the bottom of the blog post for an update. The rest of the content here will remain as a historical artifact.
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How to sequence your genome at home
In this post I'll describe how to sequence a human genome at home, something that's only recently become possible.
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“AI promised to revolutionize radiology but so far its failing”
Geoffrey Hinton is a legendary computer scientist . . . Naturally, people paid attention when Hinton declared in 2016, “We should stop training radiologists now, it’s just completely obvious within five years deep learning is going to do better than radiologists.” The US Food and Drug Administration (FDA) approved the…
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A Random Walk Through Git
This tutorial is an in-depth look at how Git works, performing a lot of sometimes unusual steps to walk through interesting details. You will have to pay attention closely, or you will get lost on the way. But do not despair; you can run this tutorial on your computer, at the speed you want, skip to any step you want…
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Chrome is faster in M91
Since the launch of Chrome in 2008, speed has been one of the 4 core principles that shape the work we do to deliver a highly performant br...
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Kwan’s Hierarchy of Product Needs: The Four Levels of Product Managers
A common dilemma faced by developer company founders is that while CPOs add significantly greater value than junior and senior PMs, they are expensive resources. To successfully navigate this dilemma, let’s break down the various levels of PM in terms of the product needs your business is likely to encounter.
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Notepad++ v8 release
Download Notepad++ source code of current version and/or check sha-256 digests for binary packages on GitHub
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Abstract Syntax Tree for Patching Code and Assessing Code Quality
Abstract Syntax Tree is an extremely useful tool. It provides a tree representation of a source code, that can be traversed to parse the code while understanding the code’s language constructs. In this article, we explain how we have used ASTs to write IntelliPatch scripts that can...
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Clever vs. Insightful Code
“Don’t write clever code.” Why not? “Because it’s hard to understand.” People who say this think of clever code such as Duff’s Device: Duff's Device send(to, from, count) registershort*to, *from; registercount; { registern =(count +7) /8; switch(count %8) { case0: do{ *to =*from++; case7: *to =*from++; case6: *to…
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The Dangers of Low Head Dams (2019)
Dams serve a wide variety of purposes from hydropower to flood control to storage of water for municipal and industrials uses. But when a dam’s useful purpose fades away, the structure itself still remains. Dams come in all shapes and sizes, but contrary to what you might think, the most dangerous d
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The SaaS CTO Security Checklist Redux
Learn how to protect your SaaS applications with the SaaS CTO security checklist. Doing the basics goes a long way in keeping your company and product secure.
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FreeBSD from a NetBSD developer’s perspective
I’ve been a NetBSD developer for three years and it’s been my primary operating system for a long time too - on everything: routers, laptops, Raspberry Pis, PowerPC mac minis, Vortex86 embedded boards, and servers.