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A new layer of security for certified Android devices
Starting in 2026 and in select countries first, Android apps must be registered to a verified developer in order to be installed.
Most cited
Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 4,916 posts.
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United States - CO₂ and Greenhouse Gas Emissions Country Profile
Data on the United States’ greenhouse gas emissions
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Defer, Panic, and Recover
An introduction to the Go's defer, panic, and recover control flow mechanisms.
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BSI-001: The Perfect Wall
The perfect wall is an environmental separator—it has to keep the outside out and the inside in. In order to do this the wall assembly has to control rain, air, vapor and heat. In the old days we had one material to do this: rocks. We would pile a bunch or rocks up and have the rocks do it all. But over time rocks…
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Beginner's Guide to SEO (Search Engine Optimization)
New to SEO? Looking for higher rankings and traffic through Search Engine Optimization? The Beginner's Guide to SEO has been read over 10 million times.
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Finally, live TV made for you
There’s no question that people love TV, from live sports to breaking news to sitcoms and dramas. But the truth is, there are a lot of limitations in how to watch TV today. Unlike online video, people can't watch TV when they want, on any screen and on their terms, without commitments. Consumers have made it clear…
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Costs of the 20-year war on terror: $8 trillion and 900,000 deaths
A report from the Costs of War project at Brown University revealed that 20 years of post-9/11 wars have cost the U.S. an estimated $8 trillion and have killed more than 900,000 people.
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Fast properties in V8
This technical deep-dive explains how V8 handles JavaScript properties behind the scenes.
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Octoverse: A new developer joins GitHub every second as AI leads TypeScript to #1
In this year’s Octoverse, we uncover how AI, agents, and typed languages are driving the biggest shifts in software development in more than a decade.
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Updated WHO recommendations for international traffic in relation to COVID-19 outbreak
This document provides updated recommendations for international traffic in relation to the COVID-19 outbreak, in light of the rapidly evolving situation. It supersedes the advice published on 27 January 2020.On 30 January 2020, the Director-General of the World Health Organization, following the advice of the…
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How to implement a basic ActivityPub server
Today we’ll be looking at how to connect the protocols powering Mastodon in the simplest way possible to enter the federated network. We will use static files, standard command-line tools, and some simple Ruby scripting, although the functionality should be easily adaptable to other programming languages. First…
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A Behind the Scenes Take on Lithium-ion Battery Prices
Automakers and policy makers are increasingly voicing their belief that the passenger vehicle of the future will be powered (partially or fully) by electricity. There remains, however, a lack of consensus on the timing and speed of the transition, in large part due to differing opinions on current and future…
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The Open Source AI Definition
version 1.0 See FAQsSee list of endorsementsSee ChecklistEndorse the OSAID Preamble Why we need Open Source Artificial Intelligence (AI) Open Source has demonstrated that massive benefits accrue to…
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The 20 Most Expensive Keywords in Google Ads
While the minimum bid per keyword is 5 cents in Google Ads, the highest cost keywords are nowhere near that. Google can make up to $50 per click from the most expensive PPC keywords, and keyword advertising is a highly lucrative business. Learn all about the most expensive keywords for your industry.
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Get started with Web Bundles | Web Platform
Web Bundles enable you to share websites as a single file over Bluetooth and run them offline in your origin's context.
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Confidence in Institutions
Now I am going to read you a list of institutions in American society. Please tell me how much confidence you, yourself, have in each one -- a great deal, quite a lot, some, or very little?
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H-1B visas and prevailing wage levels: A majority of H-1B employers—including major U.S. tech firms—use the program to pay migrant workers well below market wages
H-1B is a temporary nonimmigrant work visa that allows U.S. employers to hire college-educated migrant workers as well as fashion models from abroad; nearly 500,000 migrant workers are employed in the United States in H-1B status. The H-1B is an important—but deeply flawed—vehicle for attracting skilled workers to the…
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Vivaldi browser and open-source
People who are involved in the open-source community often ask us why Vivaldi browser isn’t available under a unified open-source license. Here we explain why.
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The NHS Budget And How It Has Changed
What is the NHS budget and how is it funded? Find out in our nutshell.
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GitLab + Google Cloud Platform = simplified, scalable deployment
We’ve teamed up with Google Cloud Platform – here’s what that means for you.
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org-drill.el – flashcards and spaced repetition for org-mode
Org-Drill is an extension for Org mode . Org-Drill uses a spaced repetition algorithm to conduct interactive "drill sessions", using org files as sources of facts to be memorised. Each topic is treated as a "flash card". The material to be remembered is presented to the student in random order. The student rates his…
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PEP 3113 – Removal of Tuple Parameter Unpacking
Tuple parameter unpacking is the use of a tuple as a parameter in a function signature so as to have a sequence argument automatically unpacked. An example is:
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Getting Started • Zettelkasten Method
A Zettelkasten is a personal tool for thinking and writing that creates an interconnected web of thought. Its emphasis is on connection and not mere collection of ideas.
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Meet Algo, the VPN that works
I think you’ll agree when I say: there’s no VPN option on the market designed with equal emphasis on security and ease of use. That changes now. Today we’re introducing Algo, a self-hosted personal VPN server designed for ease of deployment and security. Algo automatically deploys an on-demand VPN service in the cloud…
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US Factory Farming Estimates
How many animals are factory farmed? We estimate that 99% of US farmed animals are living in factory farms at present. By species, we estimate that 74.9% of cows, 98.6% of pigs, 99.8% of turkeys, 98.3% of chickens raised for eggs, and over 99.9% of chickens raised for meat are living in factory farms. Based on the…
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How much do incarcerated people earn in each state?
Prison wages come up again and again in the context of prison conditions and policies. So, we found the most up-to-date information for each state.
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Y Combinator
Y Combinator created a new model for funding early stage startups. Four times a year we invest in a large number of startups.