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  • FastAPI入門 - モダンなPythonフレームワークの特性をチュートリアルで手軽に学ぶ|ハイクラス転職・求人情報サイト アンビ(AMBI)

    FastAPI入門 - モダンなPythonフレームワークの特性をチュートリアルで手軽に学ぶ PythonのWebフレームワークとしていま注目を集めるFastAPIは、シンプルにコードが書けるだけでなく、パフォーマンスが高いWebアプリケーションのバックエンドサーバーが構築可能です。同フレームワークの勘所をPythonスペシャリストの杜世橋さんが、初心者向けのハンズオン、そしてより実践的な画像への自動タグ付けサービス実装をとおして解説します。 FastAPIはいま非常に注目されているPythonのWebフレームワークの1つです。Flaskのようにシンプルに書ける一方でPythonのType Hintの機能をうまく活用し、HTTPのリクエスト/レスポンスをPythonの関数の引数/戻り値とシームレスにマッピングして非常に効率的に開発ができるのが最大の特徴です。非同期処理にも対応していてその名

      FastAPI入門 - モダンなPythonフレームワークの特性をチュートリアルで手軽に学ぶ|ハイクラス転職・求人情報サイト アンビ(AMBI)
    • neue cc - ゼロアロケーションLINQライブラリ「ZLinq」のリリースとアーキテクチャ解説

      ゼロアロケーションLINQライブラリ「ZLinq」のリリースとアーキテクチャ解説 2025-05-05 ZLinq v1を先月リリースしました!structとgenericsベースで構築することによりゼロアロケーションを達成しています。またLINQ to Span, LINQ to SIMD, LINQ to Tree(FileSystem, JSON, GameObject, etc.)といった拡張要素と、任意の型のDrop-in replacement Source Generator。そして.NET Standard 2.0, Unity, Godotなどの多くのプラットフォームサポートまで含めた大型のライブラリとなっています!現在GitHub Starsも2000を超えました。 https://github.com/Cysharp/ZLinq structベースのLINQそのものは

      • プロと読み解く Ruby 3.2 NEWS - クックパッド開発者ブログ

        技術部の笹田(ko1)と遠藤(mame)です。クックパッドで Ruby (MRI: Matz Ruby Implementation、いわゆる ruby コマンド) の開発をしています。お金をもらって Ruby を開発しているのでプロの Ruby コミッタです。 昨日 12/25 に、恒例のクリスマスリリースとして、Ruby 3.2.0 がリリースされました(Ruby 3.2.0 リリース)。今年も Ruby 3.2 の NEWS.md ファイルの解説をします。NEWS ファイルとは何か、は以前の記事を見てください。 プロと読み解く Ruby 2.6 NEWS ファイル - クックパッド開発者ブログ プロと読み解くRuby 2.7 NEWS - クックパッド開発者ブログ プロと読み解くRuby 3.0 NEWS - クックパッド開発者ブログ プロと読み解く Ruby 3.1 NEWS -

          プロと読み解く Ruby 3.2 NEWS - クックパッド開発者ブログ
        • REST API Design Best Practices Handbook – How to Build a REST API with JavaScript, Node.js, and Express.js

          By Jean-Marc Möckel I've created and consumed many API's over the past few years. During that time, I've come across good and bad practices and have experienced nasty situations when consuming and building API's. But there also have been great moments. There are helpful articles online which present many best practices, but many of them lack some practicality in my opinion. Knowing the theory with

            REST API Design Best Practices Handbook – How to Build a REST API with JavaScript, Node.js, and Express.js
          • The Prompt Engineering Playbook for Programmers

            Developers are increasingly relying on AI coding assistants to accelerate our daily workflows. These tools can autocomplete functions, suggest bug fixes, and even generate entire modules or MVPs. Yet, as many of us have learned, the quality of the AI’s output depends largely on the quality of the prompt you provide. In other words, prompt engineering has become an essential skill. A poorly phrased

              The Prompt Engineering Playbook for Programmers
            • Announcing TypeScript 6.0 - TypeScript

              Today we are excited to announce the availability of TypeScript 6.0! If you are not familiar with TypeScript, it’s a language that builds on JavaScript by adding syntax for types, which enables type-checking to catch errors, and provide rich editor tooling. You can learn more about TypeScript and how to get started on the TypeScript website. But if you’re already familiar with the language, you ca

                Announcing TypeScript 6.0 - TypeScript
              • GitHub - modelcontextprotocol/servers: Model Context Protocol Servers

                Official integrations are maintained by companies building production ready MCP servers for their platforms. 21st.dev Magic - Create crafted UI components inspired by the best 21st.dev design engineers. 2slides - An MCP server that provides tools to convert content into slides/PPT/presentation or generate slides/PPT/presentation with user intention. ActionKit by Paragon - Connect to 130+ SaaS inte

                  GitHub - modelcontextprotocol/servers: Model Context Protocol Servers
                • WebKit Features in Safari 16.4

                  Mar 27, 2023 by Patrick Angle, Marcos Caceres, Razvan Caliman, Jon Davis, Brady Eidson, Timothy Hatcher, Ryosuke Niwa, and Jen Simmons ContentsWeb Push on iOS and iPadOSImprovements for Web AppsWeb ComponentsCSSHTMLJavaScript and WebAssemblyWeb APIImages, Video, and AudioWKWebViewDeveloper ToolingWeb InspectorSafari Web ExtensionsSafari Content BlockersNew Restrictions in Lockdown ModeMore Improve

                    WebKit Features in Safari 16.4
                  • neue cc - .NET 6とAngleSharpによるC#でのスクレイピング技法

                    C# Advent Calendar 2021の参加記事となっています。去年は2個エントリーしたあげく、1個すっぽかした(!)という有様だったので、今年は反省してちゃんと書きます。 スクレイピングに関しては10年前にC#でスクレイピング:HTMLパース(Linq to Html)のためのSGMLReader利用法という記事でSGMLReaderを使ったやり方を紹介していたのですが、10年前ですよ、10年前!さすがにもう古臭くて、現在ではもっとずっと効率的に簡単にできるようになってます。 今回メインで使うのはAngleSharpというライブラリです。AngleSharp自体は2015年ぐらいからもう既に定番ライブラリとして、日本でも紹介記事が幾つかあります。が、いまいち踏み込んで書かれているものがない気がするので、今回はもう少しがっつりと紹介していきたいと思っています。それと直近Visual

                    • プロと読み解くRuby 4.0 NEWS - STORES Product Blog

                      プロと読み解くRuby 4.0 NEWS テクノロジー部門技術推進グループの笹田(ko1)と遠藤(mame)です。Ruby (MRI: Matz Ruby Implementation、いわゆる ruby コマンド) の開発をしています。お金をもらって Ruby を開発しているのでプロの Ruby コミッタです。 本日 12/25 に、恒例のクリスマスリリースとして、Ruby 4.0.0 がリリースされました(Ruby 4.0.0 リリース | Ruby)。今年も STORES Product Blog にて Ruby 4.0 の NEWS.md ファイルの解説をします(ちなみに、STORES Advent Calendar 2025 の記事になります。他も読んでね)。NEWS ファイルとは何か、は以前の記事を見てください。 プロと読み解く Ruby 2.6 NEWS ファイル - クック

                        プロと読み解くRuby 4.0 NEWS - STORES Product Blog
                      • Writing a C compiler in 500 lines of Python

                        A few months ago, I set myself the challenge of writing a C compiler in 500 lines of Python1, after writing my SDF donut post. How hard could it be? The answer was, pretty hard, even when dropping quite a few features. But it was also pretty interesting, and the result is surprisingly functional and not too hard to understand! There's too much code for me to comprehensively cover in a single blog

                        • LogLog Games

                          The article is also available in Chinese. Disclaimer: This post is a very long collection of thoughts and problems I've had over the years, and also addresses some of the arguments I've been repeatedly told. This post expresses my opinion the has been formed over using Rust for gamedev for many thousands of hours over many years, and multiple finished games. This isn't meant to brag or indicate su

                          • An introduction to WebAssembly for JavaScript Developers

                            If you transmit a number whereas an integer encoded on 64 bits is expected you will get an exception: let run = async () => { try { let bytecode = await fetch("add/add.wasm"); let wasm = await WebAssembly.instantiateStreaming(bytecode); console.log(wasm.instance.exports.addInt64(1,2)); } catch(e) { console.error(e); } }; > run().then(); TypeError: wasm function signature contains illegal type Call

                            • Prettier 3.0: Hello, ECMAScript Modules! · Prettier

                              We are excited to announce the release of the new version of Prettier! We have made the migration to using ECMAScript Modules for all our source code. This change has significantly improved the development experience for the Prettier team. Please rest assured that when using Prettier as a library, you can still use it as CommonJS as well. This update comes with several breaking changes. One notabl

                                Prettier 3.0: Hello, ECMAScript Modules! · Prettier
                              • Announcing TypeScript 4.7 - TypeScript

                                Today we’re excited to announce the availability of TypeScript 4.7! If you’re not yet familiar with TypeScript, it’s a language that builds on JavaScript and adds syntax for types. Types help describe what kinds of values you’re working with and what kinds of functions you’re calling. TypeScript can use this information to help you avoid about mistakes like typos, missing arguments, or forgetting

                                  Announcing TypeScript 4.7 - TypeScript
                                • Claude Mythos Preview \ red.anthropic.com

                                  Assessing Claude Mythos Preview’s cybersecurity capabilities April 7, 2026 Nicholas Carlini, Newton Cheng, Keane Lucas, Michael Moore, Milad Nasr, Vinay Prabhushankar, Winnie Xiao Hakeem Angulu, Evyatar Ben Asher, Jackie Bow, Keir Bradwell, Ben Buchanan, David Forsythe, Daniel Freeman, Alex Gaynor, Xinyang Ge, Logan Graham, Kyla Guru, Hasnain Lakhani, Matt McNiece, Mojtaba Mehrara, Renee Nichol, A

                                  • Announcing TypeScript 4.7 Beta - TypeScript

                                    Today we are excited to announce the beta release of TypeScript 4.7! To get started using the beta, you can use npm with the following command: npm install typescript@beta You can also get editor support by Downloading for Visual Studio 2022/2019 Following directions for Visual Studio Code and Sublime Text 3. Here’s a quick list of what’s new in TypeScript 4.7! ECMAScript Module Support in Node.js

                                      Announcing TypeScript 4.7 Beta - TypeScript
                                    • A virtual DOM in 200 lines of JavaScript

                                      In this post I’ll walk through the full implementation of a Virtual DOM in a bit over 200 lines of JavaScript. The result is a full-featured and sufficiently performant virtual DOM library (demos). It’s available on NPM as the smvc package. The main goal is to illustrate the fundamental technique behind tools like React. React, Vue and the Elm language all simplify the creation of interactive web

                                      • Announcing TypeScript 5.2 - TypeScript

                                        Today we’re excited to announce the release of TypeScript 5.2! If you’re not familiar with TypeScript, it’s a language that builds on top of JavaScript by making it possible to declare and describe types. Writing types in our code allows us to explain intent and have other tools check our code to catch mistakes like typos, issues with null and undefined, and more. Types also power TypeScript’s edi

                                          Announcing TypeScript 5.2 - TypeScript
                                        • Announcing TypeScript 6.0 Beta - TypeScript

                                          Today we are announcing the beta release of TypeScript 6.0! To get started using the beta, you can get it through npm with the following command: npm install -D typescript@beta TypeScript 6.0 is a unique release in that we intend for it to be the last release based on the current JavaScript codebase. As announced last year (with recent updates here), we are working on a new codebase for the TypeSc

                                            Announcing TypeScript 6.0 Beta - TypeScript
                                          • All JavaScript and TypeScript Features of the last 3 years

                                            TypeScript as envisioned by Stable DiffusionThis article goes through almost all of the changes of the last 3 years (and some from earlier) in JavaScript / ECMAScript and TypeScript . Not all of the following features will be relevant to you or even practical, but they should instead serve to show what’s possible and to deepen your understanding of these languages. There are a lot of TypeScript fe

                                              All JavaScript and TypeScript Features of the last 3 years
                                            • March 2025 (version 1.99)

                                              Update 1.99.1: The update addresses these security issues. Update 1.99.2: The update addresses these issues. Update 1.99.3: The update addresses these issues. Downloads: Windows: x64 Arm64 | Mac: Universal Intel silicon | Linux: deb rpm tarball Arm snap Welcome to the March 2025 release of Visual Studio Code. There are many updates in this version that we hope you'll like, some of the key highligh

                                                March 2025 (version 1.99)
                                              • How MDN’s autocomplete search works – Mozilla Hacks - the Web developer blog

                                                Last month, Gregor Weber and I added an autocomplete search to MDN Web Docs, that allows you to quickly jump straight to the document you’re looking for by typing parts of the document title. This is the story about how that’s implemented. If you stick around to the end, I’ll share an “easter egg” feature that, once you’ve learned it, will make you look really cool at dinner parties. Or, perhaps y

                                                  How MDN’s autocomplete search works – Mozilla Hacks - the Web developer blog
                                                • Rust to WebAssembly the hard way — surma.dev

                                                  Toggle dark mode What follows is a brain dump of everything I know about compiling Rust to WebAssembly. Enjoy. Some time ago, I wrote a blog post on how to compile C to WebAssembly without Emscripten, i.e. without the default tool that makes that process easy. In Rust, the tool that makes WebAssembly easy is called wasm-bindgen, and we are going to ditch it! At the same time, Rust is a bit differe

                                                    Rust to WebAssembly the hard way — surma.dev
                                                  • Golang Mini Reference 2022: A Quick Guide to the Modern Go Programming Language (REVIEW COPY)

                                                    Golang Mini Reference 2022 A Quick Guide to the Modern Go Programming Language (REVIEW COPY) Harry Yoon Version 0.9.0, 2022-08-24 REVIEW COPY This is review copy, not to be shared or distributed to others. Please forward any feedback or comments to the author. • feedback@codingbookspress.com The book is tentatively scheduled to be published on September 14th, 2022. We hope that when the release da

                                                    • Weird Lexical Syntax

                                                      I just learned 42 programming languages this month to build a new syntax highlighter for llamafile. I feel like I'm up to my eyeballs in programming languages right now. Now that it's halloween, I thought I'd share some of the spookiest most surprising syntax I've seen. The languages I decided to support are Ada, Assembly, BASIC, C, C#, C++, COBOL, CSS, D, FORTH, FORTRAN, Go, Haskell, HTML, Java,

                                                        Weird Lexical Syntax
                                                      • AST vs. Bytecode: Interpreters in the Age of Meta-Compilation

                                                        233 AST vs. Bytecode: Interpreters in the Age of Meta-Compilation OCTAVE LAROSE, University of Kent, UK SOPHIE KALEBA, University of Kent, UK HUMPHREY BURCHELL, University of Kent, UK STEFAN MARR, University of Kent, UK Thanks to partial evaluation and meta-tracing, it became practical to build language implementations that reach state-of-the-art peak performance by implementing only an interprete

                                                        • Mastodon: Ruby on Rails Open Source Web App

                                                          The product https://joinmastodon.org Mastodon is a free, open-source social network server based on ActivityPub where users can follow friends and discover new ones. On Mastodon, users can publish anything they want: links, pictures, text, and video. All Mastodon servers are interoperable as a federated network. Open source The project is open source at https://github.com/mastodon/mastodon License

                                                            Mastodon: Ruby on Rails Open Source Web App
                                                          • CloudFront VPC オリジンで実現するマルチリージョンのアクティブ/アクティブ構成 | Amazon Web Services

                                                            Amazon Web Services ブログ CloudFront VPC オリジンで実現するマルチリージョンのアクティブ/アクティブ構成 はじめに 現代のデジタル社会において、組織はサイバーセキュリティの脅威に対する懸念を強めており、インフラストラクチャをより適切に保護する方法を積極的に模索しています。高度化するサイバー攻撃の増加と、より厳格になるデータ保護規制により、コンテンツ配信インフラのセキュリティ確保は企業にとって重要事項となっています。安全なコンテンツ配信ソリューションの必要性は、かつてないほど高まっています。 最近、Amazon CloudFront は CloudFront VPC オリジン のサポートを発表しました。これにより、顧客は CloudFront ディストリビューションからのみプライベートサブネット内のオリジンにルーティングできるようになりました。このアーキテ

                                                            • Announcing TypeScript 4.7 RC - TypeScript

                                                              Today we’re excited to announce our Release Candidate (RC) of TypeScript 4.7! Between now and the stable release of TypeScript 4.7, we expect no further changes apart from critical bug fixes. To get started using the RC, you can get it through NuGet, or use npm with the following command: npm install typescript@rc You can also get editor support by Downloading for Visual Studio 2022/2019 Following

                                                                Announcing TypeScript 4.7 RC - TypeScript
                                                              • Announcing TypeScript 5.4 - TypeScript

                                                                Today we’re excited to announce the release of TypeScript 5.4! If you’re not familiar with TypeScript, it’s a language that builds on top of JavaScript by making it possible to declare and describe types. Writing types in our code allows us to explain intent and have other tools check our code to catch mistakes like typos, issues with null and undefined, and more. Types also power TypeScript’s edi

                                                                  Announcing TypeScript 5.4 - TypeScript
                                                                • June 2023 (version 1.80)

                                                                  Update 1.80.1: The update addresses these issues. Update 1.80.2: The update addresses this security issue. Downloads: Windows: x64 Arm64 | Mac: Universal Intel silicon | Linux: deb rpm tarball Arm snap Welcome to the June 2023 release of Visual Studio Code. There are many updates in this version that we hope you'll like, some of the key highlights include: Accessibility improvements - Accessible V

                                                                    June 2023 (version 1.80)
                                                                  • Regexide

                                                                    Why XML Comments matter XML is a popular format for storing and sharing data. It was explicitly designed for people and programs to read and write data.[1] From spreadsheets to save states, most modern software and games parse and write XML. XML comments are special notes that parsers should not treat as data. XML comments start with <!-- and end with -->. Technically XML comments must not contain

                                                                    • Rails 8.0 Changelog(全項目リンク付き)|TechRacho by BPS株式会社

                                                                      【速報】Rails 8.0.0がリリースされました Rails 8.0(v8.0.0タグ)は、7.2.0リリースから半年後のリリースということもあり、メジャーリリースとしてはChangelogの変更件数が少なめなのが特徴です。機能面では、Strong Parametersのexpect追加や、MySQL 5.5のサポート廃止が目につきます。大きなbreaking changesも今のところ見当たりません。 rails/rails at v8.0.0 以下、Rails 8.0のChangelogを件数の多い順に見ていきます。なお、原則として削除のChangelogは、その項目が非推奨化されたときのプルリク情報にリンクしています。 なお、以下の機能にはChangelogがありません。 Action Mailbox Action Mailer 🔗 Active Record(56件) Rail

                                                                        Rails 8.0 Changelog(全項目リンク付き)|TechRacho by BPS株式会社
                                                                      • Announcing TypeScript 6.0 RC - TypeScript

                                                                        Today we are excited to announce the Release Candidate (RC) of TypeScript 6.0! To get started using the RC, you can get it through npm with the following command: npm install -D typescript@rc TypeScript 6.0 is a unique release in that we intend for it to be the last release based on the current JavaScript codebase. As announced last year (with recent updates here), we are working on a new codebase

                                                                          Announcing TypeScript 6.0 RC - TypeScript
                                                                        • YJIT: Building a New JIT Compiler Inside CRuby

                                                                          The 1980s and 1990s saw the genesis of Perl, Ruby, Python, PHP and JavaScript: interpreted, dynamically-typed programming languages which favored ease of use and flexibility over performance. In many ways, these programming languages are a product of the surrounding context. The 90s were the peak of the dot-com hype, and CPU clock speeds were still doubling roughly every 18 months. It looked like

                                                                            YJIT: Building a New JIT Compiler Inside CRuby
                                                                          • How to Use React Compiler – A Complete Guide

                                                                            In this tutorial, you'll learn how the React compiler can help you write more optimized React applications. React is a user interface library that has been doing its job quite well for over a decade. The component architecture, uni-directional data flow, and declarative nature stand out in helping devs building production-ready, scalable software applications. Over the releases (even up until the

                                                                              How to Use React Compiler – A Complete Guide
                                                                            • How a simple Linux kernel memory corruption bug can lead to complete system compromise

                                                                              In this case, reallocating the object as one of those three types didn't seem to me like a nice way forward (although it should be possible to exploit this somehow with some effort, e.g. by using count.counter to corrupt the buf field of seq_file). Also, some systems might be using the slab_nomerge kernel command line flag, which disables this merging behavior. Another approach that I didn't look

                                                                              • Announcing TypeScript 5.4 Beta - TypeScript

                                                                                Today we are excited to announce the availability of TypeScript 5.4 Beta. To get started using the beta, you can get it through NuGet, or through npm with the following command: npm install -D typescript@beta Here’s a quick list of what’s new in TypeScript 5.4! Preserved Narrowing in Closures Following Last Assignments The NoInfer Utility Type Object.groupBy and Map.groupBy Support for require() c

                                                                                  Announcing TypeScript 5.4 Beta - TypeScript
                                                                                • Cloudflare functions with Scala.js

                                                                                  Indoor VivantsAnton Sviridov. I love reinventing the wheel and I usually use Scala for that. TL;DR We are deploying an app to Cloudflare using Scala.js We are using ScalablyTyped We are using Scala 3 heavily Code on Github Deployed app Cloudflare API bindings Welcome to the "Put ma Scala on yo cloud" series I want to say that I'm kicking off a blog series, but even I don't believe that. If I did,