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Revisiting How We Put Together Linux Systems
Posts and writings by Lennart Poettering
Most cited
Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 11,892 posts.
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Warning Signs in Experimental Design and Interpretation (2007)
When an experimental study states "The group with treatment X had significantly less disease ( p = 1%)", many people interpret this statement as being equivalent to "there is a 99% chance that if I do treatment X it will prevent disease." This essay explains why these statements are not equivalent. For such an…
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Bitsquatting: DNS Hijacking without exploitation
Researchers have exploited bit-errors before in amazing ways . But bit-errors can be detected and exploited in new ways on an Internet-wide scale. One of these means is by bitsquatting, or registering domain names one bit different than frequently resolved domains.
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Apollo 11 and Other Screw-Ups
(A paper presented to the 27th annual Guidance and Control Conference of the American Astronautical Society (AAS), in Breckenridge, Colorado on February 6, 2004, and designated AAS 04-064. This version includes additional illustrations and comments, and several minor corrections.)
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A Guide to Statistics on Historical Trends in Income Inequality
Center on Budget and Policy Priorities2018105 points186 commentscited by 18Society, Policy & Culture details
Data from a variety of sources contribute to a broad picture of strong growth and shared prosperity during the early postwar period, followed by slower growth and greater inequality since the 1970s. Within these broad trends, however, different data tell slightly different parts of the story, and no single data source…
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NET Core and ASP.NET Core RC2 Released
Free downloads for building and running .NET apps on Linux, macOS, and Windows. Runtimes, SDKs, and developer packs for .NET Framework, .NET, and ASP.NET.
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Chromium Security: Site Isolation
Site Isolation is a security feature in Chrome that offers additional protection against some types of security bugs. It uses Chrome's sandbox to make it harder for untrustworthy websites to access or steal information from your accounts on other websites.
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Twibright Optar – OPTical ARchiver – a codec for encoding data on paper
Data archiving codec for paper, laser printer and scanner
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Against Tulip Subsidies
I. Imagine a little kingdom with a quaint custom: when a man likes a woman, he offers her a tulip; if she accepts, they are married shortly thereafter. A couple who marries sans tulip is considered…
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Phoenix.LiveView: Interactive, Real-Time Apps. No Need to Write JavaScript
Phoenix LiveView is an exciting new library which enables rich, real-time user experiences with server-rendered HTML.
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Mozilla acquires privacy-focused ad tech company Anonym
Mozilla has acquired Anonym, a trailblazer in privacy-preserving digital advertising. This strategic acquisition enables Mozilla to help raise the bar for
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Advanced cryptographic ratcheting
At Open Whisper Systems, we’ve been working on improving our encrypted asynchronous chat protocol for TextSecure. The TextSecure protocol was originally a derivative of OTR, with minor changes to accommodate it for transports with constraints like SMS or Push. Some of the recent changes we’ve ...
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Real Programmers Don't Use Pascal - Letter to the editor, Datamation July 1983
Back in the good old days-- the "Golden Era" of computers-- it was easy to separate the men from the boys (sometimes called "Real Men" and "Quiche Eaters" in the literature). During this period, the Real Men were the ones who understood computer programming, and the Quiche Eaters were the ones who didn't. A real…
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Apple releases diversity numbers
We create a culture of collaboration where different experiences and perspectives come together to make something magical and meaningful.
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Regular Expression Matching: the Virtual Machine Approach
Name the most widely used bytecode interpreter or virtual machine. Sun's JVM? Adobe's Flash? .NET and Mono? Perl? Python? PHP? These are all certainly popular, but there's one more widely used than all those combined. That bytecode interpreter is Henry Spencer's regular expression library and its many descendants.
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Give Up GitHub – Software Freedom Conservancy
The Software Freedom Conservancy provides a non-profit home and services to Free, Libre and Open Source Software (FLOSS) projects.
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Staff archetypes
Most career ladders define a single, uniform set of expectations for Staff engineers operating within the company. Everyone benefits from clear role expectations, but career ladders are a tool that applies better against populations than people. This is particularly true for Staff-plus engineers, whose career ladders…
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Droppings
If you went outside and lay down on your back with your mouth open, how long would you have to wait until a bird pooped in it?
1251
The AI Revolution: Our Immortality or Extinction
Part 2: "Our Immortality or Our Extinction". When Artificial Intelligence gets superintelligent, it's either going to be a dream or a nightmare for us.
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MIT Challenge
In 2012, I decided to try to learn MIT's 4-year undergraduate computer science curriculum in 12 months, without taking any classes. I was successful in passing the final exams for 33 classes and completing the required programming projects. You can view my TEDx Talk regarding the challenge, see links to all the free…
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Pfizer and BioNTech Conclude Phase 3 Study of COVID-19 Vaccine Candidate, Meeting All Primary Efficacy Endpoints
Primary efficacy analysis demonstrates BNT162b2 to be 95% effective against COVID-19 beginning 28 days after the first dose; 170 confirmed cases of COVID-19 were evaluated, with 162 observed in the placebo group versus 8 in the vaccine group Efficacy was consistent across age, gender, race and ethnicity demographics…
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The Typestate Pattern in Rust
The typestate pattern is an API design pattern that encodes information about an object’s run-time state in its compile-time type . In particular, an API using the typestate pattern will have:
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About One-in-Four U.S. Hispanics Have Heard of Latinx, but Just 3% Use It
The term Latinx has emerged in recent years as a gender-neutral alternative to the pan-ethnic terms Latino, Latina and Hispanic. However, awareness of Latinx is relatively low among the population it is meant to describe.
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Project Cambria: Translate your data with lenses
Changing schemas in distributed software is hard. Could adopting bidirectional lenses help?
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File over app
If you want to create digital artifacts that last, they must be files you can control, in formats that are easy to retrieve and read. Use tools that give you...
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Adversarial Interoperability
“Interoperability” is the act of making a new product or service work with an existing product or service: modern civilization depends on the standards and practices that allow you to put any dish into a dishwasher or any USB charger into any car’s cigarette lighter.But interoperability is just the...