JavaScriptはシングルスレッドであることが知られています。そして、Promiseを用いた非同期処理ができることは周知の事実です。では、なぜシングルスレッドで非同期処理ができるのでしょうか？ その点について、非同期処理のための2種類のQueuesについて触れつつ、コードベースでの説明も行います。
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JavaScriptはなぜシングルスレッドでも非同期処理ができるのか/Why Can JavaSctipt Invoke Asynchronous in Single Thread?
JavaScriptはシングルスレッドであることが知られています。そして、Promiseを用いた非同期処理ができることは周知の事実です。では、なぜシングルスレッドで非同期処理ができるのでしょうか？ その点について、非同期処理のための2種類のQueuesについて触れつつ、コードベースでの説明も行います。
The Clean ArchitectureがWebフロントエンドでしっくりこないのは何故か / Why The Clean Architecture does not fit with Web Frontend
2025/02/28(金) JSConf.jp おかわり Node学園46時限目
「Ask What, not Why」 失敗したときに自信を失いかけたら実行しているメンタル転落回避術 - Money Forward Developers Blog
半年ぶりのカキコ……ども……。気づいたらHRソリューション本部からMFBC-CTO室に異動していたVTRyoです。兼任で引き続きHR系のマネーフォワード クラウドシリーズも担当しています。 ソフトウェアエンジニアとしての経験値が増えてくると、次第にレビュー担当者になることが増えてくるでしょう。私が所属するSREチームでもTerraformの相互レビューが頻繁に実施されています。そこで、事件は起きたのです。 自信を持ってApproveしたPull Requestで次々に事故が起きてしまった 現在HR内のマネーフォワード クラウドシリーズは、モダンな開発基盤へとリプレイス作業を多く行っています。これまで動いていた基盤に感謝しつつ、新しいPlatformへと移行し、最終的に元あったリソースを削除します。 事件はこの リソース削除 で起きました。 チーム内レビュー OK リポジトリ管理者レビュー
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こんにちは、開発チームのアーキテクトをやっている竹野（@Altech）です。先日、新人研修でソフトウェアの設計について話す機会がありました。 ソフトウェアの設計というのは関連する領域が広いため、どうしても断片的な理解になりがちです。そこで、早い段階で全体像を感じてもらうために、ソフトウェア設計の Why と How と What を1時間でまとめて話すというちょっと意欲的なコンセプトで研修を行いました。今回は、その内容を記事にしました。 この研修のねらいはじめにソフトウェアの設計について書かれた情報は世の中に多いですが、その情報の多くは How であり、それだけを読んで適切に使うことが難しいと感じています。その直接的な理由は、How に対しての What、How / What に対しての Why が語られることが少ないからです。 ただ、How だけを知っていると、それは本当に問題を解決して
& how to analyze design choices without jumping to conclusions Over the years, I have had many encounters with Japanese websites — be it researching visa requirements, planning trips, or simply ordering something online. And it took me a loooong while to get used to the walls of text, lavish use of bright colors & 10+ different fonts that sites like this one throw in your face: Hankoya — a website
なぜ変化を起こすのが難しいのか？ - 数年以上にわたって難しさに向き合い・考え取り組んできたこと / The reason why changing organization is so hard - What I thought and faced for more than several years
Regional Scrum Gathering℠ Tokyo 2023 のクロージングキーノートの資料です。 https://2023.scrumgatheringtokyo.org/index.html
トヨタ式「why？を5回繰り返して問題の本質にたどり着こう」←4回目くらいで「こんな必死に働く必要ないんじゃね？」という本質に到達してしまう...
山口慶明🇺🇸で何とか生きてる @girlmeetsNG Twitterは大人のおしゃぶり／たかがSNS、そんなムキにならないで楽しくやりましょ／本業はアメリカ🇺🇸とメキシコ🇲🇽で給料泥棒。 twitter.com/search?q=from%… 山口慶明🇺🇸で何とか生きてる @girlmeetsNG トヨタ式で「why?を5回繰り返して問題の本質や真因にたどり着く」というのがあるけど、ワイが仕事でこれをやると毎回4回目くらいで「そもそもこんな必死に働く必要ないんじゃね？」という本質にたどり着いてしまうし、ルートによっては「こんな世界を創った神が悪い」という真因にたどり着いてしまう… 2021-03-29 07:02:38 山口慶明🇺🇸で何とか生きてる @girlmeetsNG たまに勘違いしてる人がいますが、有名な本質を探るためのトヨタ式メソッド「Why?を5回繰り返す
The Associated Press is an independent global news organization dedicated to factual reporting. Founded in 1846, AP today remains the most trusted source of fast, accurate, unbiased news in all formats and the essential provider of the technology and services vital to the news business. More than half the world’s population sees AP journalism every day.
なぜ宣言的 UI は壊れにくいのか / Why declarative UI is less fragile
Zli × サイバーエージェント 合同LT 2024/07/14 https://zli.connpass.com/event/319572/ ReactやSwiftUIのような宣言的UIの「原理」を、10分のLTになんとか詰め込んでみました。 Reactフックは名詞起点 = オブジェクト指向…
設計の「why」を言語化できる人は強いんですよ— magnoliak🍧 (@magnolia_k_) 2022年10月29日 っていうか、驚くくらい「why」が上手く表現できないんですよ、普通は 手順は言えても、なぜ？が言えない— magnoliak🍧 (@magnolia_k_) 2022年10月29日 設計において、すべての決定について仔細に「なぜ、そうしたか？」を言えるべきなのだけど、これを上手く言語化できない人は多い。「このプロジェクトでは以前からそうしているから」「そうするのが当たり前だと思っていた」などなど、本当に理解してないまま「設計という作業」を進めている人もいれば、上手く自分の行為を言語化できないだけの人もいる。 また、必ずしも自分が設計したことについて説明する場面ばかりとも限らない。既に存在する設計から「なぜ」を類推するしかない場面もある。他人のコードを読み取るとき
Why Is SQLite Coded In C
Note: Sections 2.0 and 3.0 of this article were added in response to comments on Hacker News and Reddit. Since its inception on 2000-05-29, SQLite has been implemented in generic C. C was and continues to be the best language for implementing a software library like SQLite. There are no plans to recode SQLite in any other programming language at this time. The reasons why C is the best language to
ソフトウェアテストはなぜやるのか誰がやるのかについて考えてみる / why who testing
アジャイル開発研修の中で、ソフトウェアテストってなぜやるの？誰がやるの？って話をしたときの資料です。
Investigating Why Aurora MySQL Returns “Empty set” in Response to SELECT, Even Though Corresponding Records Exist
Investigating Why Aurora MySQL Returns “Empty set” in Response to SELECT, Even Though Corresponding Records Exist Hello, p2sk from the KINTO Technologies DBRE team here. In the DBRE (Database Reliability Engineering) team, our cross-functional efforts are dedicated to addressing challenges such as resolving database-related issues and developing platforms that effectively balance governance with a
Why Programming is Easy but Software Engineering is Hard
Beginners who want to get into the software field often get programming and software engineering mixed up. These are not the same thing. Programming is a part of software engineering. Software engineering on the other hand, encompasses so much more than programming. Software engineering is the process of starting with a problem, designing a way to solve that problem, and then delivering a software
GraphQL is an incredible piece of technology that has captured a lot of mindshare since I first started slinging it in production in 2018. You won’t have to look far back on this (rather inactive) blog to see I have previously championed this technology. After building many a React SPA on top of a hodge podge of untyped JSON REST APIs, I found GraphQL a breath of fresh air. I was truly a GraphQL h
Why I Won't Use Next.js
You’ve got a new project to work on. Or you’ve got an existing project you’re motivated to upgrade to a more modern approach. Or perhaps you’re dissatisfied with your current modern framework or second-guessing yourself and you’re investigating alternatives. In any case, you’ve got a decision to make. There are lots of “modern” frameworks to choose from. Even if you’re not facing this choice right
エンジニアとして事業に貢献するとは「Why-What-Howの一貫性を保ちながら、技術意思決定を積み重ねること」である - Speee DEVELOPER BLOG
※この記事は、2022 Speee Advent Calendar25日目の記事です。 どうもこんにちは。まさかのアドベントカレンダー2022最終日担当、デジタルトランスフォーメーション事業本部 (以下、DX事業本部)ソフトウェアエンジニアの石井です。 私はこれまでDX事業本部の中でも特にHousii (ハウシー)という事業にメインで携わり、約2年間、「エンジニアとして事業に貢献する」というテーマと向き合い続けてきました。過去にも以下のようなテーマで登壇させていただきました。 tech.speee.jp そこで今回はHousiiを通じて得た自身の学びや実際の取り組みをご紹介しつつ、 エンジニアとして事業に貢献するとは「Why-What-Howの一貫性を保ちながら、技術意思決定を積み重ねること」である そのためには、Why-What-Howの接点に関わりながら、技術意思決定力を磨き続けること
Why Go? · microsoft/typescript-go · Discussion #411
Language choice is always a hot topic! We extensively evaluated many language options, both recently and in prior investigations. We also considered hybrid approaches where certain components could be written in a native language, while keeping core typechecking algorithms in JavaScript. We wrote multiple prototypes experimenting with different data representations in different languages, and did
6 Reasons Why Obsidian Is My Go-To App for Deep Research Projects
Research projects can get messy fast, so having the right tool is essential—one that seamlessly connects your thoughts and ideas while being easy to use. This is what makes Obsidian my favorite. 1 Bidirectional Notes Linking Research projects are not only about gathering information; it's about creating a web of information that combines to form a comprehensive repository of meaningful insights. T
Why Twitter Didn’t Go Down: From a Real Twitter SRE
Twitter supposedly lost around 80% of its work force. What ever the real number is, there are whole teams with out engineers on it now. Yet, the website goes on and the tweets keep coming. This left a lot wondering what exactly was going on with all those engineers and made it seem like it was all just bloat. I’d like to explain my little corner of Twitter (though it wasn’t so little) and some of
スタートアップにおける言語とフレームワークの選択 / Why we chose Ruby on Rails as a startup
銀座Rails#31 https://ginza-rails.connpass.com/event/205651/ ※社名・ロゴ・サービス内容等は発表当時のものとなります。
Ryoma Sin'ya @sinya8282 （恐らくアメリカ人、会計中） 観光客「英語話せる？」 店員さん「話せない」 観光客「（並んでたお兄ちゃんに）英語話せる？」 お兄ちゃん「話せない」 観光客「...なぜ？？（Why??）」 お兄ちゃん「ドイツへようこそ（Welcome to Germany）」 並んでたら↑のやりとりがあって笑ってしまった。 x.com/sinya8282/stat… 2025-03-26 15:51:23
The Flock has migrated! In a few seconds we'll redirect you to: https://getflocked.dev/blog/posts/we-are-forking-flutter-this-is-why/
We wanted to let readers know that we will no longer post on any official Guardian editorial accounts on the social media site X (formerly Twitter). We think that the benefits of being on X are now outweighed by the negatives and that resources could be better used promoting our journalism elsewhere. This is something we have been considering for a while given the often disturbing content promoted
What Is ChatGPT Doing … and Why Does It Work?
What Is ChatGPT Doing … and Why Does It Work? February 14, 2023 It’s Just Adding One Word at a Time That ChatGPT can automatically generate something that reads even superficially like human-written text is remarkable, and unexpected. But how does it do it? And why does it work? My purpose here is to give a rough outline of what’s going on inside ChatGPT—and then to explore why it is that it can d
なぜNotionを使うのか2022 / Why use notion as our workspace in 2022
2022年7月8日 Notion企業活用事例ウェビナーでの資料です。https://app.livestorm.co/notionhq/notion-webin-1?type=detailed
Search and analytics, data ingestion, and visualization – all at your fingertips.
Why America Chose Trump: Inflation, Immigration, and the Democratic Brand - Blueprint
November 8, 2024 KEY FINDINGS:KEY FINDINGS The top reasons voters gave for not supporting Harris were that inflation was too high (+24), too many immigrants crossed the border (+23), and that Harris was too focused on cultural issues rather than helping the middle class (+17). Other high-testing reasons were that the debt rose too much under the Biden-Harris Administration (+13), and that Harris w
We want the default build output of Next.js to work well when self hosting, and also well on Vercel. And guess what? They're the same output. Well, almost. Let me clarify. It took us a while at Vercel to figure out the correct format and boundary between open source framework and infrastructure platform. Our philosophy is called framework defined infrastructure. And critically, the specification t
The internet has ingrained itself into every aspect of our lives, but there’s one aspect of the digital world that I bet you take for granted. Did you ever notice that many links, specifically hyperlinks, are blue? When a co-worker casually asked me why links are blue, I was stumped. As a user experience designer who has created websites since 2001, I’ve always made my links blue. I have advocated
Saving Passwords In Your Browser? You Shouldn't: Here's Why
Everyone should already know how important it is to use strong passwords. Ideally, you'd have a different password for each account, and all of them would be long, complex, and contain numbers and special characters. Few abide by these rules, which is understandable. After all, who could remember all these passwords? It seems much more convenient to just store them somewhere, like in a browser for
Tool integration for AI agents is a mess. Even for developers building agents every day, it's frustrating to navigate the fragmented ecosystem. Finding high-quality tools is difficult - search for "MCP Calendar integration" and you'll find ten different implementations with no way to know which one is best. If you've ever tried to integrate tools with an LLM, you know this pain. Tool discovery, in
Many folks charge their phones overnight, ready for use again in the morning. However, it feels like charging it while you're asleep to hit 100 percent is beneficial, but it actually harms your battery and shortens its life. Battery Degradation and Safety Risks Why shouldn't you charge your phone battery overnight? The main reasons are that doing so can harm your battery's lifespan and generate to
Why I Quit Google’s WebAssembly Team, And How It Made Me Sick
Why I Quit Google’s WebAssembly Team, And How It Made Me Sick I joined Google in early 2015 to work on the V8 team as one of the first authors of the WebAssembly specification. This is a partial story of what went wrong with the process and how it permanently damaged me. My hope is that this story will help people recognize toxic cultures in their own workplaces, or help new hires have a better ca
フロントエンドの Monorepo をやめてリポジトリ分割したワケ / Why did we stop using Monorepo on the frontend and split the repository?
2024/06/25： モノレポは、令和のソフトウェア開発における銀の弾丸か？ https://hack-at-delta.connpass.com/event/319792/ フロントエンドの Monorepo をやめてリポジトリ分割したワケ 坂井 学 ソフトウェアエンジニア
Before there was GraphQL, there was REST. In recent years, REST has become the dominant API style for building backend web services. With REST, you could signal the type of request we want to make (ex: GET, POST, PUT, or DELETE) and the resource we’d like to fetch or interact with (ex: /api/pets/1) using an HTTP method and a URL. It’s a great approach (and one we initially used at StockX for sever
スクラムチームに入れないという選択: フルサイクルチームにおける開発者のステップアップ / Why We Don’t Add Newbies to Our Scrum Team
2024/06/22にScrum Fest Osaka 2024 品川&葛飾トラックで発表させていただいた資料です。 Scrum Fest Osaka https://www.scrumosaka.org/ プロポーザル https://confengine.com/conferences/…
Why I'm No Longer Talking to Architects About Microservices
Check out our Cloud Native Services and book a call with one of our experts today! It happened again last week. I was at an architecture review meeting when a fellow architect eagerly started another debate about *microservices*. Within minutes, eyes glazed over and we were knee-deep in an absurd discussion about something that should have been a means to an end, but had morphed into the end itsel
A common refrain is that threads can do everything that async/await can, but simpler. So why would anyone choose async/await? This is a common question that I’ve seen a lot in the Rust community. Frankly, I completely understand where it’s coming from. Rust is a low-level language that doesn’t hide the complexity of coroutines from you. This is in opposition to languages like Go, where async happe
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Japanese research is no longer world class — here’s why
ソフトウェア設計の Why & What & How | Wantedly Engineer Blog
Why Japanese Websites Look So Different
'Why? Why? Why?' Ukraine's Mariupol descends into despair
設計の「why」を言語化する - Magnolia Tech
Why, after 6 years, I’m over GraphQL
ドイツ旅行中のアメリカ人「Why…？？（なぜみんな英語が話せないんだ！？）」店員さんの返しに笑ってしまった
We're forking Flutter. This is why.
Why the Guardian is no longer posting on X
Amazon: NOT OK - why we had to change Elastic licensing
Why I'm Using Next.js
Why are hyperlinks blue? | The Mozilla Blog
Why We're All-In on MCP
Why Charging Your Phone Overnight Is Bad
Why use GraphQL? | Apollo GraphQL Blog
Why choose async/await over threads?
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