This post is also available in Deutsch, Français, 简体中文, 繁體中文, 日本語, 한국어, Español and ไทย. IntroductionToday, June 21, 2022, Cloudflare suffered an outage that affected traffic in 19 of our data centers. Unfortunately, these 19 locations handle a significant proportion of our global traffic. This outage was caused by a change that was part of a long-running project to increase resilience in our busi
Japanese composer axed from Olympics opening ceremony after boasts about abusing disabled classmates revealed
A Japanese musician who boasted about abusing mentally-ill classmates when at school has quit his role as part of the creative team for the Tokyo Olympics opening ceremony after outcry at his appointment. Keigo Oyamada, better known by his stage name Cornelius, was last week named as one of the music composers for the opening ceremony after a career spanning more than 25 years. That announcement s
新型コロナウイルス感染症（COVID-19）で心がけていることをまとめてみた。あくまで個人的な見解で異論もあるだろうとは思うし、デマと批判されるかもしれないなとは思う。いちおうそれぞれに理屈はつけておくので、繰り返すけど、あくまで、ご参考までに。（あと、身近に感染者がいる場合は、話は別です。） マスクをしない 市販のマスクには、インフルエンザや新型コロナウイルス感染症（COVID-19）などの予防効果のエヴィデンス（科学的根拠）は、ない。「水への伝言」と同じ。ただ、今後今回の騒ぎののち、効果が検証されるかもしれないが。 マスクは花粉症の人や抗がん剤治療の日常生活に必要とする人もいるので、そういう人が入手しやすい状況を支援したい意味でも、市販マスクの購入はしない。(参照) マスクをすることで病原体が口に触れるのを防ぐという人がいるが、これらのウイルスは目からも感染するので、だったらなんでメガ
When you open a document with an encoding different than the one it was created with, it's not possible to display the original text, and instead a garbled mess of corrupted characters are printed out. These are called "mojibake" in Japanese, and the word has also been borrowed into English. While mojibake aren't readable by humans, it turns out that different kinds of mojibake have different visu
HTTP/3: the past, the present, and the future09/26/2019 This post is also available in 简体中文, 日本語, 한국어, Français, Español. During last year’s Birthday Week we announced preliminary support for QUIC and HTTP/3 (or “HTTP over QUIC” as it was known back then), the new standard for the web, enabling faster, more reliable, and more secure connections to web endpoints like websites and APIs. We also let
The new wave of Javascript web frameworksMake sense of the proliferation of new Javascript web frameworks. A deep dive into the problems at scale and the recent evolution of innovation. IntroductionStaying current in the Javascript ecosystem is not for the faint of heart. It’s challenging for those entering the industry to follow what’s happening amongst the new libraries, frameworks, concepts, an
This post is also available in 简体中文, 繁體中文, 日本語, 한국어, Deutsch, Français, Español and Português. At over thirty years old, HTTP is still the foundation of the web and one of the Internet’s most popular protocols—not just for browsing, watching videos and listening to music, but also for apps, machine-to-machine communication, and even as a basis for building other protocols, forming what some refer
Rails 7 will have three great answers to JavaScript in 2021+
September 6, 2021 Rails 7 will have three great answers to JavaScript in 2021+ Rails has been unapologetically full stack since the beginning. We've continuously sought to include ever-more default answers to all the major infrastructure questions posed by modern web development. From talking to a database, to sending and receiving emails, to connecting web sockets, to rendering HTML, to integrati
About this Handbook Over 20 years after its introduction to the programming community, JavaScript is now one of the most widespread cross-platform languages ever created. Starting as a small scripting language for adding trivial interactivity to webpages, JavaScript has grown to be a language of choice for both frontend and backend applications of every size. While the size, scope, and complexity
The new wave of React state managementUnderstand the core problems state management libraries need to solve. And how the proliferation of modern libraries address them in new ways. IntroductionAs React applications grow in size and complexity, managing shared global state is challenging. The general advice is to only reach for global state management solutions when needed. This post will flesh out
Cloudflare servers don't own IPs anymore – so how do they connect to the Internet?
Cloudflare servers don't own IPs anymore – so how do they connect to the Internet?11/25/2022 This post is also available in简体中文, 繁體中文, 日本語, Deutsch, Français, Español, Português and Pусский. A lot of Cloudflare's technology is well documented. For example, how we handle traffic between the eyeballs (clients) and our servers has been discussed many times on this blog: “A brief primer on anycast (20
Announcing New Tools for Building with Generative AI on AWS | Amazon Web Services
AWS Machine Learning Blog Announcing New Tools for Building with Generative AI on AWS The seeds of a machine learning (ML) paradigm shift have existed for decades, but with the ready availability of scalable compute capacity, a massive proliferation of data, and the rapid advancement of ML technologies, customers across industries are transforming their businesses. Just recently, generative AI app
Except Singapore, we’ve got a world of sub-100 millisecond TTFBs. This is because instead of heading off to Virginia to get the site, each of these locations can use an edge server nearest to them. The edge is about getting 50ms response times vs 150ms response times. You can test this for yourself with a VPN. If you: curl -I https://deno.landYou’ll get the server nearest your location: server: de
Go: A Documentary
Go: A Documentary by Changkun Ou <changkun.de> (and many inputs from contributors) This document collects many interesting (publicly observable) issues, discussions, proposals, CLs, and talks from the Go development process, which intends to offer a comprehensive reference of the Go history. Disclaimer Most of the texts are written as subjective understanding based on public sources Factual and ty
This version of Rails has been years in the conceptual making. It’s the fulfillment of a vision to present a truly full-stack approach to web development that tackles both the front- and back-end challenges with equal vigor. An omakase menu that includes everything from the aperitif to the dessert. This vision wasn’t possible even just a few years ago. We simply didn’t have the core technologies i
転置インデックスの圧縮技法
転置インデックスは、検索エンジンの実装において、中心的な役割を果たすデータ構造である。 転置インデックスのデータ構造とアルゴリズムは、クエリ処理アルゴリズムとともに、検索エンジンの性能に直結する。とくに大規模な検索エンジンにおいては、キャッシュ効率を高めてクエリ処理を高速化するために、転置インデックスの圧縮は必要不可欠となっている。 この記事では、転置インデックス、とくにポスティングリストの圧縮について、近年の手法を簡単にまとめる。 目次 転置インデックスの基本 転置インデックスのデータ構造と特性 転置インデックスのアクセスパターン 近年のインデックス圧縮技法 Variable-Byte Family VByte Varint-GB Varint-G8IU Masked-VByte Stream-VByte Opt-VByte Simple Family Simple9 Simple16
Introducing Rome
We’re excited to announce the first beta release and general availability of the Rome linter for JavaScript and TypeScript. This is the beginning of an entire suite of tools. Rome is not only linter, but also a compiler, bundler, test runner, and more, for JavaScript, TypeScript, HTML, JSON, Markdown, and CSS. We aim to unify the entire frontend development toolchain. Rome is a monolithic tool con
経済セミナー2022年6・7月号 通巻726号【特集】経済学と再現性問題 日本評論社Amazon 最近は計量経済学・統計学方面の方々との交流が多いんですが、そのご縁で『経済セミナー』の2022年6・7月号が再現性問題を取り上げていたと知り、入手して読んでみました。特集部分の目次を以下に引用すると、 特集＝ 経済学と再現性問題 【鼎談】再現性の問題にどう向き合うか？……川越敏司×會田剛史×新井康平 心理学における再現性の危機――課題と対応……大坪庸介 経済学における再現性の危機――経済実験での評価と対応……竹内幹 フィールド実験・実証研究における再現性……高野久紀 健全な研究慣習を身に付けるための実験・行動経済学101……山田克宣 再現性問題における統計学の役割と責任……マクリン謙一郎 という内容で、幾つかの分野にまたがって論じられています。特に、このブログ含めて個人的に度々お世話になってい
Vite is a next-gen build tool that has taken the web development world by storm. It gives you fast startup, instant reloads, widespread compatibility, and easy configuration. With nearly GitHub 50k stars, almost 2 million weekly npm downloads, and 650+ contributors, Vite is clearly a “big deal.” Storybook first supported Vite in April 2021 (two months after Vite 2.0 was released) with help from co
Announcing PartiQL: One query language for all your data | Amazon Web Services
AWS Open Source Blog Announcing PartiQL: One query language for all your data Data is being gathered and created at rates unprecedented in history. Much of this data is intended to drive business outcomes but, according to the Harvard Business Review, “…on average, less than half of an organization’s structured data is actively used in making decisions…” The root of the problem is that data is typ
A Japanese immigration scheme has come under fire for widespread reports of the exploitation of workers. The BBC spoke to migrant workers who claim they were overworked and underpaid and found some were making clothes for big, international brands. And as the BBC's Population Reporter Stephanie Hegarty found, workers in other industries have reported abuses such as unsafe working environments and
By Ammar Khaku IntroductionIn a microservice architecture such as Netflix’s, propagating datasets from a single source to multiple downstream destinations can be challenging. These datasets can represent anything from service configuration to the results of a batch job, are often needed in-memory to optimize access and must be updated as they change over time. One example displaying the need for d
Linux Hardening Guide | Madaidan's Insecurities
Last edited: March 19th, 2022 Linux is not a secure operating system. However, there are steps you can take to improve it. This guide aims to explain how to harden Linux as much as possible for security and privacy. This guide attempts to be distribution-agnostic and is not tied to any specific one. DISCLAIMER: Do not attempt to apply anything in this article if you do not know exactly what you ar
ProductGitHub Copilot for Business is now availableGitHub Copilot is the world’s first at-scale AI developer tool and we’re now offering it to every developer, team, organization, and enterprise. First previewed in partnership with OpenAI in 2021, GitHub Copilot is the world’s first at-scale AI developer tool. Sitting within the editor as a simple extension, GitHub Copilot draws context from a dev
styleguide
Background Which Shell to Use Bash is the only shell scripting language permitted for executables. Executables must start with #!/bin/bash and a minimum number of flags. Use set to set shell options so that calling your script as bash script_name does not break its functionality. Restricting all executable shell scripts to bash gives us a consistent shell language that’s installed on all our machi
CSS in 2022
Things have been going hard for CSS in 2021. The CSS Working Group has cranked out a ton of work, polishing existing CSS features and specifying lots of new ones too — with experimental implementations already having landed in several browsers. Apart from supporting new features, browser vendors also focussed on fixing the top 5 browser compatibility painpoints (#compat2021) to make our dev-lives
Japan’s Rikunabi Scandal Shows The Dangers of Privacy Law Loopholes
Special thanks to former legal intern Hinako Sugiyama, who was a lead co-author of this post. Technology users around the world are increasingly concerned, and rightly so, about protecting their data. But many are unaware of exactly how their data is being collected and would be shocked to learn of the scope and implications of mass consumer data collection by technology companies. For example, ma
地球から月に吹き付ける風で月の一部がサビていることが判明
月の高緯度帯で酸化鉄を含む赤鉄鉱が発見されたと、ハワイ地球物理学・惑星学研究所(HIGP)の研究チームが発表しました。酸素がないはずの月に酸化鉄が発見された理由について、研究チームは「地球の大気が吹き付けることによって月が酸化した」と説明しています。 Widespread hematite at high latitudes of the Moon | Science Advances https://advances.sciencemag.org/content/6/36/eaba1940 Has Earth's oxygen rusted the Moon for billions of years? https://phys.org/news/2020-09-earth-oxygen-rusted-moon-billions.html 鉄は酸素と非常に反応しやすい、つまりさびやすい金
Published: August 4, 2023 Updated: October 27, 2023 Part 1: an intro about music, defaults, and bubbles Like a lot of people, there was a time when the only music I listened to was whatever was played on my local radio station. (A lot of people over 30 or so, anyway. If this doesn’t sound familiar to you yet, just stick with me for a minute here.) At the time, I was happy with that. It seemed like
Implementing a Zero Trust security model at Microsoft - Inside Track Blog
Our Zero Trust security model enables us to provide a healthy and protected environment internally at Microsoft. At Microsoft, our shift to a Zero Trust security model more than five years ago has helped us navigate many challenges. The increasing prevalence of cloud-based services, mobile computing, internet of things (IoT), and bring your own device (BYOD) in the workforce have changed the techn
The Dangerous Populist Science of Yuval Noah Harari ❧ Current Affairs
Watch videos of Yuval Noah Harari, the author of the wildly successful book Sapiens: A Brief History of Humankind, and you will hear him being asked the most astonishing questions. “A hundred years from now, do you think we will still care about being happy?” — Canadian journalist Steve Paikin, on the “The Agenda with Steve Paikin” “What I do, is it still relevant, and how do I prepare for my futu
OAuth 2.0 for Browser-Based Apps Abstract This specification details the security considerations and best practices that must be taken into account when developing browser-based applications that use OAuth 2.0.¶ Discussion Venues This note is to be removed before publishing as an RFC.¶ Discussion of this document takes place on the Web Authorization Protocol Working Group mailing list (oauth@ietf.
Hi, I'm Sam — software engineer at Spot and the 2nd most active maintainer of Emotion, a widely-popular CSS-in-JS library for React. This post will delve into what originally attracted me to CSS-in-JS, and why I (along with the rest of the Spot team) have decided to shift away from it. We'll start with an overview of CSS-in-JS and give an overview of its pros & cons. Then, we'll do a deep dive int
linux-kernel.vger.kernel.org archive mirror help / color / mirror / Atom feed* Linux kernel in-tree Rust support @ 2020-07-09 18:41 Nick Desaulniers 2020-07-09 20:52 ` Miguel Ojeda ` (5 more replies) 0 siblings, 6 replies; 28+ messages in thread From: Nick Desaulniers @ 2020-07-09 18:41 UTC (permalink / raw) To: alex.gaynor, geofft, jbaublitz, Masahiro Yamada, Linus Torvalds, Greg KH, Miguel Ojeda
GTA Online. Infamous for its slow loading times. Having picked up the game again to finish some of the newer heists I was shocked (/s) to discover that it still loads just as slow as the day it was released 7 years ago. It was time. Time to get to the bottom of this. ReconFirst I wanted to check if someone had already solved this problem. Most of the results I found pointed towards anecdata about
The Development of the C Language* Dennis M. Ritchie Bell Labs/Lucent Technologies Murray Hill, NJ 07974 USA dmr@bell-labs.com ABSTRACT The C programming language was devised in the early 1970s as a system implementation language for the nascent Unix operating system. Derived from the typeless language BCPL, it evolved a type structure; created on a tiny machine as a tool to improve a meager progr
「コオロギ食」への嫌悪感は「ネオフォビア（新奇性恐怖）」なのか（石田雅彦） - エキスパート - Yahoo!ニュース
政府のデジタル大臣が試食し、それがネット上で問題視されるなど、最近になって物議をかもしているコオロギ食だが、コオロギを食べることに心理的な抵抗がある人が多いことも背景にありそうだ。新奇なものに恐怖を感じることをネオフォビア（Neophobia、新奇性恐怖）というが、日本人にとってのコオロギ食はネオフォビアなのだろうか。 まだ国際的な規範もない昆虫食 主にアジア、アフリカ、南アメリカといった地域で人類は長く昆虫を食べてきた。この昆虫食や昆虫の飼料化が世界的に注目を集めているのは、2013年に国連の食糧農業機関（Food and Agriculture Organization of the United Nations、FAO）が食糧危機の解決策として昆虫食を推奨したことに始まる。 その後、日本をはじめ各国は、食糧危機解決策の一つとして昆虫食の推進を始めるようになっていった。また、SDGs（
State of JS 2020
As crappy as 2020 was, JavaScript as a whole still managed to somehow move forward. As the language itself keeps improving thanks to new features like Optional Chaining and Nullish Coalescing, TypeScript's widespread adoption is taking things to a whole other level by popularizing static typing. And on the framework side, just when we thought things were settling down, Svelte comes in and shakes e
プログラミング言語C標準規格における改行文字(new-line character)と改行コードCR, LFとの関係性について。 まとめ： C標準規格ではプログラム内部で扱う「改行文字」と、外部ファイルにおける具体的なCR, LF等の「文字コード」を区別する。*1 *2 改行文字をファイル上でどう表現するかについて何ら規定しない。CR/LFを使わない方式も想定されている。 UNIX互換システムの場合、改行文字==改行コードLF(0x0A)となる。 Windows OSの場合、改行文字は2個の改行コードCRLF(0x0D 0x0A)で表現される。 上記のような改行コードによる行区切り表現だけでなく、メタ情報を利用した行区切り位置表現、長さプレフィックスと文字列データ表現、固定長レコードと特殊パディング文字表現（！）*3など、多種多様なテキストデータの表現方式を許容する。 仮想ターミナルなどの
How an Élite University Research Center Concealed Its Relationship with Jeffrey Epstein
How an Élite University Research Center Concealed Its Relationship with Jeffrey Epstein New documents show that the M.I.T. Media Lab was aware of Epstein’s status as a convicted sex offender, and that Epstein directed contributions to the lab far exceeding the amounts M.I.T. has publicly admitted. Update: On Saturday, less than a day after the publication of this story, Joi Ito, the director of th
j次のブックマーク
k前のブックマーク
lあとで読む
eコメント一覧を開く
oページを開く
Cloudflare outage on June 21, 2022
新型コロナウイルス感染症（COVID-19）で心がけていること: 極東ブログ
A Field Guide to Japanese Mojibake
HTTP/3: the past, the present, and the future
The new wave of Javascript web frameworks
The state of HTTP in 2022
Handbook - The TypeScript Handbook
The new wave of React state management
The Future of the Web is on the Edge
Rails 7.0: Fulfilling a vision
再現性問題のはなし - 渋谷駅前で働くデータサイエンティストのブログ
First-class Vite support in Storybook
Migrant workers 'exploited' in Japan
How Netflix microservices tackle dataset pub-sub
GitHub Copilot for Business is now available
Things you forgot (or never knew) because of React
OAuth 2.0 for Browser-Based Apps
Why We're Breaking Up with CSS-in-JS
Linux kernel in-tree Rust support
How I cut GTA Online loading times by 70%
The Development of the C Language
改行コード(CR/LF)と改行文字と標準C - yohhoyの日記