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The Billion Row Challenge (1BRC) – Step-by-Step from 71s to 1.7s
A step-by-step walkthrough of the Billion Row Challenge, taking a Parallel Java Streams aggregation from 71 seconds down to 1.7 with SIMD and tuning.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 31,678 posts.
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EFF Defends Public’s Right to Access Court Records About Patent Ownership
The public’s right of access to court proceedings is well-established as a legal principle, but it needs constant defending. In part, that’s because private parties keep asking publicly-funded courts to resolve their disputes in secret. As we and others have written before, this problem is...
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Google to acquire Motorola
Insights from Googlers into our products, technology, and the Google culture
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Update on Omicron
On 26 November 2021, WHO designated the variant B.1.1.529 a variant of concern, named Omicron, on the advice of WHO’s Technical Advisory Group on Virus Evolution (TAG-VE). This decision was based on the evidence presented to the TAG-VE that Omicron has several mutations that may have an impact on how it behaves, for…
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AI won't steal your job, people leveraging AI will
Just yesterday I commented on the ban to ChatGPT imposed in Italy by the Authority under the banner of preserving privacy and fighting potential misinformation.
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Ask a Female Engineer: How Can Managers Help Retain Technical Women?
I’m the moderator for our Ask A Female Engineer series, and a female engineer on the software team at YC. In the ongoing conversation about women in tech, we hear a lot about women leaving companies and even the industry as a whole, so we decided to ask a group of female engineers…
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Internet disrupted in Pakistan amid arrest of former PM Imran Khan
NetBlocks metrics confirm the disruption of Twitter, Facebook and YouTube on multiple internet providers in Pakistan on Tuesday 9 May 2023. Additionally, total internet shutdowns have been observed on mobile ...
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Solar energy is now the cheapest source of power, study
University of Surrey research finds solar is now the lowest cost electricity source in sunniest regions. Discover what this means for the global energy future.
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Tj-actions/changed-files GitHub Action Compromised – used by over 23K repos
tj-actions/changed-files
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Humans began to rapidly accumulate technological knowledge 600k years ago
Each of us individually is the accumulated product of thousands of generations that have come before us in an unbroken line. Our culture and technology today are also the result of thousands of years of accumulated and remixed cultural knowledge.
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The worst of the two worlds: Excel meets Outlook
Turning Outlook into a keylogger via VBA macros
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Fungus breaks down ocean plastic
A fungus living in the sea can break down the plastic polyethylene, provided it has first been exposed to UV radiation from sunlight. Researchers from, among others, NIOZ published their results in the scientific journal Science of the Total Environment. They expect that many more plastic degrading fungi are living in…
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Pebble Mega Update – July 2026
TL:DR; Pebble Time 2 Shipping Status Pebble Software Updates PT2 Issues You’ve Reported Pebble Round 2 Production Update Index 01 Production Update Pebble Ti...
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GPT4 simulating a FTP server at ftp.disney.com
This is a conversation I had with Chat GPT trying to simulate an interaction with an non existing anonymous FTP server that would be made available for Disney fans
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EasyDNS threatened with criminal complaint if client data not disclosed
UPDATE (as of Sept 2021): This post seems to be the de facto clearing house for people receiving these threats from Fechner and crew all over the world. Here is everything you need to know: You can ignore it Nobody has actually been sued We recently received a copyright notice…
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How to speed up the Rust compiler in 2018
18 months ago I wrote about some work I did to speed up the Rust compiler (rustc). I’ve recently taken this work up again. Also, in the meantime rustc’s build system has been replaced and its benchmark suite has been overhauled. So it’s a good time for an update.
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Why your startup should be a Delaware C-Corp, not an LLC
LLC vs C Corps. Get valuable insights and learn how to protect your business from unwanted legal liabilities. Be ahead of the competition.
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Is timeless UI design a thing?
Trends come and go, fonts become uncool, buttons aren't supposed to have round corners... but what if UI design became timeless?
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All code is technical debt
As adding more code to a product will slow down development, we should view all code as technical debt.
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Benchmarking DNS response times of TLDs
We tested and benchmarked 42 of some of the most popular top-level domains and aggregated the results into a global median average.
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YC 120
[https://ghost.prod.ycinside.com/content/images/wordpress/2019/01/yc120-v1.png] The world is shaped by people with intelligence, drive and vision. At YC, we’ve learned a lot about cultivating a network of such people — and we believe that having a strong network is such a force multiplier that it is one of the most…
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Microservices without the Servers
Tim Wagner, AWS Lambda General Manager At LinuxCon/ContainerCon 2015 I presented a demo-driven talk titled, “Microservices without the Servers”. In it, I created an image processing microservice, deployed it to multiple regions, built a mobile app that used it as a backend, added an HTTPS-based API using Amazon API…
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There is no place for just shitting all over other people's work
“Shit from the fucking Mac App Store, ‘designed’ by people who think they get interface design.” That’s the byline for Read the fucking HIG, a blog that pretends to expose apps in the Mac App Store which violate Apple’s Human Interface Guidelines. Let’s t…
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You’ve Got 0-Click Mail: Unassisted iOS Attacks RCE via Mobilemail/Maild
October is Cybersecurity Awareness Month! How is your cybersecurity practice going?
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Using SQLite as storage for web server static content
Why OpenRun uses a SQLite database instead of the local file system for static files.