Fresh is a new full stack web framework for Deno. By default, web pages built with Fresh send zero JavaScript to the client. The framework has no build step which allows for an order of magnitude improvement in deployment times. Today we are releasing the first stable version of Fresh. Client side rendering has become increasingly popular in recent years. React (and React-like) pages allow program
「Postgres で試した？」と聞き返せるようになるまでもしくはなぜ私は雰囲気で技術を語るのか？ — Just use Postgres 読書感想文 - じゃあ、おうちで学べる
はじめに 「Just use Postgres」という言葉を初めて聞いたのは、いつだったか覚えていません。Twitter か Hacker News か、あるいは社内の Slack か。どこで聞いたにせよ、私の反応は決まっていました。「また極端なことを言う人がいる」と。 「それ、〇〇でもできますよ」——この手のフレーズはもう100回は聞いてきました。そして大抵の場合、その〇〇は専用ツールに置き換えられていきます。技術が専門分化していくのは自然な流れです。 全文検索なら Elasticsearch。時系列データなら InfluxDB。メッセージキューなら RabbitMQ。それぞれの分野に専門家がいて、専用のソリューションがあって、ベストプラクティスがあります。「とりあえず Postgres で」なんて、それは思考停止ではないか、と。でも、心のどこかで気になっていたんです。 www.mann
How I built a modern website in 2021September 29th, 2021 — 34 min read For over half of 2021, I worked on a complete rewrite of kentcdodds.com. You're reading this on the rewrite of this site! Are you using dark mode or light mode? Have you signed in and selected your team yet? Have you tried to call into the Call Kent Podcast? This blog post isn't about these and other features of the new site, b
There’s a lot of chatter in the media that software developers will soon lose their jobs to AI. I don’t buy it. It is not the end of programming. It is the end of programming as we know it today. That is not new. The first programmers connected physical circuits to perform each calculation. They were succeeded by programmers writing machine instructions as binary code to be input one bit at a time
Modern web apps without JavaScript bundling or transpiling
August 12, 2021 Modern web apps without JavaScript bundling or transpiling I didn't much care for vanilla JavaScript prior to ES6. Through all of the 2000s, I chased different approaches to avoid writing too much of it. First there was RJS (Ruby-to-JavaScript). Then there was CoffeeScript. Both transpiling approaches that turned more enjoyable-to-write source code into the kind of JavaScript that
What's New In DevTools (Chrome 96) | Blog | Chrome for Developers
Preview feature: New CSS Overview panel Use the new CSS Overview panel to identify potential CSS improvements on your page. Open the CSS Overview panel, then click on Capture overview to generate a report of your page’s CSS. You can further drill down on the information. For example, click on a color in the Colors section to view the list of elements that apply the same color. Click on an element
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
As someone makes more money, expenses once considered luxuries can suddenly become seen as necessities: It’s called lifestyle creep. In the world of software development, we can suffer from a similar affliction: stack creep. Where hardware limitations once restricted developers to a minimalist approach, increased processing power, memory, and storage have led many down a more maximalist path. It’s
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
Rust Is Eating JavaScript 2021 (updated 2026) – Lee Robinson Rust is a fast, reliable, and memory-efficient programming language. It’s been voted the most admired programming language for a decade1. Created by Mozilla, it’s now used at Meta, Apple, Amazon, Microsoft, and Google for systems infrastructure, encryption, virtualization, and more low-level programming. Why is Rust now being used to rep
This guide is open source, please go ⭐️ it on GitHub and make suggestions/edits there! https://github.com/FrontendMasters/front-end-handbook-2024 1. Overview of Field of Work This section provides an overview of the field of front-end development/engineering. 1.1 — What is a (Frontend||UI||UX) Developer/Engineer? A front-end developer/engineer uses Web Platform Technologies —namely HTML, CSS, and
Announcing VoidZero - Next Generation Toolchain for JavaScript | VoidZero
TL;DR: I have founded VoidZero Inc., a company dedicated to building an open-source, high-performance, and unified development toolchain for the JavaScript ecosystem. We have raised $4.6 million in seed funding, led by Accel. Fifteen years ago, when I started building apps with JavaScript, it was mostly a browser-based scripting language. Today, it has evolved into the most widely used language in
ContentsWeb Inspector ExtensionsContainer QueriesWeb Push for macOSSubgridFlexbox InspectorAccessibility ImprovementsAnimation ImprovementsOverscroll BehaviorShared WorkerAnd moreFeedback WebKit has had a big year, with over 162 new features and improvements shipping in WebKit browsers — including Safari 15.2, Safari 15.4, and Safari 15.5. Features from earlier this year include dialog element, la
Concurrency in modern programming languages: Rust vs Go vs Java vs Node.js vs Deno vs .NET 6
This is part of my "Concurrency in Modern Programming Languages" series Concurrency in modern programming languages: IntroductionConcurrency in modern programming languages: RustConcurrency in modern programming languages: GolangConcurrency in modern programming languages: JavaScript on NodeJSConcurrency in modern programming languages: TypeScript on DenoConcurrency in modern programming languages
Node.js has undergone a remarkable transformation since its early days. If you’ve been writing Node.js for several years, you’ve likely witnessed this evolution firsthand—from the callback-heavy, CommonJS-dominated landscape to today’s clean, standards-based development experience. The changes aren’t just cosmetic; they represent a fundamental shift in how we approach server-side JavaScript develo
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
AWS 認定 SAP on AWS - 専門知識(AWS Certified: SAP on AWS - Specialty)の学習方法 - NRIネットコムBlog
小西秀和です。 この記事は「AWS認定全冠を維持し続ける理由と全取得までの学習方法・資格の難易度まとめ」で説明した学習方法を「AWS 認定 SAP on AWS - 専門知識(AWS Certified: SAP on AWS - Specialty)」に特化した形で紹介するものです。 重複する内容については省略していますので、併せて元記事も御覧ください。 また、現在投稿済の各AWS認定に特化した記事へのリンクを以下に掲載しましたので興味のあるAWS認定があれば読んでみてください。 ALL SAP DOP SCS ANS MLS SAA DVA SOA DEA MLA AIF CLF 「AWS 認定 SAP on AWS - 専門知識」とは 「AWS 認定 SAP on AWS - 専門知識(AWS Certified: SAP on AWS - Specialty)」は一言で言えばAWS
Vite 8.0 is out! March 12, 2026 We're thrilled to announce the stable release of Vite 8! When Vite first launched, we made a pragmatic bet on two bundlers: esbuild for speed during development, and Rollup for optimized production builds. That bet served us well for years. We're very grateful to the Rollup and esbuild maintainers. Vite wouldn't have succeeded without them. Today, it resolves into
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
At Airplane, we collect observability data from our own systems as well as remote “agents” that are running in our customers’ infrastructure. The associated outputs, which include the standard “three pillars of observability” (logs, metrics, and traces) are essential for us to monitor our infrastructure and also help customers debug problems in theirs. Over the last year, we’ve made a concerted ef
Couple of weeks ago when I was publishing The Hidden Cost of URL Design I needed to add SQL syntax highlighting. I headed to PrismJS website trying to remember if it should be added as a plugin or what. I was overwhelmed with the amount of options in the download page so I headed back to my code. I checked the file for PrismJS and at the top of the file, I found a comment containing a URL: /* http
IDEs CLion DataGrip DataSpell Fleet GoLand IntelliJ IDEA PhpStorm PyCharm RustRover Rider RubyMine WebStorm Plugins & Services Big Data Tools Code With Me JetBrains Platform Scala Toolbox App Writerside JetBrains AI Grazie Junie JetBrains for Data Kineto Team Tools Datalore Space TeamCity Upsource YouTrack Hub Qodana CodeCanvas Matter .NET & Visual Studio .NET Tools ReSharper C++ Languages & Frame
Introducing Ezno
Ezno is an experimental compiler I have been working on and off for a while. In short, it is a JavaScript compiler featuring checking, correctness and performance for building full-stack (rendering on the client and server) websites. This post is just an overview of some of the features I have been working on which I think are quite cool as well an overview on the project philosophy ;) It is still
🌶️ IMHO 🌶️ - Rich Harris on frameworks, the web, and the edge.
この記事はSvelte/Sveltekitの作者であるRich Harris氏による講演「🌶️ IMHO 🌶️」を翻訳したものです。 この記事の作成には、Whisperによる書き起こし、DeepLおよびChatGPTによる翻訳を補助的に使用しています。 また、本文中には適宜訳注を入れています。 この場を借りて、翻訳を許可していただいたRich氏、 またこの翻訳をきめ細かくレビューしていただいたtomoam氏、英文解釈の相談に乗っていただいたshamokit氏へ感謝を表明したいと思います。 So, I'm going to be giving a talk tonight called In My Humble Opinion, and it's a collection of loosely connected thoughts about recent trends in front
When servers were in Swiss basements, all they had to serve was static HTML. Maybe, if you were lucky, you got an image. Now, a webpage can be a full-blown app, pulling in data from multiple sources, doing on the fly manipulations, and allowing an end-user full interactivity. This has greatly improved the utility of the web, but at the cost of size, bandwidth, and speed. In the past 10 years, the
The URL Pattern API defines a syntax that is used to create URL pattern matchers. These patterns can be matched against URLs or individual URL components. Concepts and usage Patterns are specified using the URLPattern interface. The pattern syntax is based on the syntax from the path-to-regexp library. Patterns can contain: Literal strings which will be matched exactly. Wildcards (/posts/*) that m
Announcing SvelteKit 1.0
After two years in development, SvelteKit has finally reached 1.0. As of today, it’s the recommended way to build Svelte apps of all shapes and sizes. We’re so excited to share this release with you. It’s the culmination of thousands of hours of work, both from the Svelte core team and the wider community, and we think it’s the most enjoyable way to build production-grade websites, whether you’re
Announcing Oxlint 1.0
TL;DR: The first stable version Oxlint has been released! With a 50~100x performance improvement over ESLint, support for over 500 ESLint rules, and usage in major companies like Shopify, Airbnb, and Mercedes-Benz, you should give it a try. Get started now. Oxlint is a Rust-powered linter for JavaScript and TypeScript is designed to be fast and simple to adopt. Since its first announcement back in
In our team at Rakuten, we have been using Elm1 in production for almost two years now. This post is about our story, the lessons we learned, and our likes and dislikes. This post is quite long so if you prefer to see an overview, feel free to jump to the index. Everything started in the Berlin branch of Rakuten during the summer of 2017. We were maintaining a medium-size single-page application w
Connect-Web: It's time for Protobuf and gRPC to be your first choice in the browser Today we're releasing connect-web, an idiomatic TypeScript library for calling RPC servers from web browsers. If you've been unimpressed by gRPC and Protobuf on the web before, now's the time to take another look: connect-web generates modern TypeScript that's just as ergonomic as a hand-written REST client. Client
Next.js 13 vs Remix: An In-depth case study — Prateek Surana
When it comes to building web applications, React has been at the forefront for a while now, and its adoption continues to grow. Among the most common approaches to building web applications with React, Next.js stands out as one of the most preferred options. Next.js has also been in the limelight since last year when they released their biggest update to the framework ever with the app router. Th
PacketProxyで探るGemini CLIのコンテキストエンジニアリング 〜AIエージェントを信頼できる相棒に〜 | BLOG - DeNA Engineering
2025.07.18 技術記事 PacketProxyで探るGemini CLIのコンテキストエンジニアリング 〜AIエージェントを信頼できる相棒に〜 by akira.kuroiwa #gemini-cli #ai #security #ai-agent #context-engineering #packetproxy 「なんかよく分からないけど、すごい」で終わらせないために こんにちは、DeNA セキュリティ技術グループの 黒岩 亮 ( @kakira9618 ) です。 AIエージェント、とくに Gemini CLI のようなコーディングを支援してくれるツールは非常に強力で、私たちの開発体験を大きく変えようとしています。しかし、その一方で、こんな風に感じたことはありませんか？ 「このファイルの情報、勝手にAIに送られたりしない？ 大丈夫かな？」 と、情報管理・セキュリティ面で漠然と
Should You Stop Using Prisma? Why Database ORMs Might Be the Worst Thing That Happened to Backend Development I need to tell you something that might be controversial: Prisma, the darling of the TypeScript world, might be holding your application back. After three years of using Prisma in production, debugging performance issues that shouldn’t exist, and watching our serverless costs spiral out of
Announcing Rolldown-Vite
TL;DR: Try out the Rolldown-powered Vite today by using the rolldown-vite package instead of the default vite package. It is a drop-in replacement, as Rolldown will become the default bundler for Vite in the future. Switching should reduce your build time, especially for larger projects. Reach out to discover production use cases! Over the last year, we've been working on Rolldown, a Rust-based ne
The Joy of React
Toggle turquoise light (visual effect)Toggle yellow light (visual effect)Toggle purple light (visual effect) So, let’s be real. Learning React is hard. Over the past few years, React has become a “must-have” skill for front-end developers. Just about every job posting lists it as a pre-requisite! If you’ve tried to learn React, though, you know it can be confusing and overwhelming. There’s just so
Web Design System: Migrating Web Components To React | Mercari Engineering
This post is for Day 8 of Mercari Advent Calendar 2022, brought to you by Williams Kwan from Mercari Core team and Faisal Rahman from the Mercari Architect team. Intro Mercari internal design systems power the UI in Mercari web apps. It allows Frontend engineers to implement UI changes quickly by providing UI building blocks. The design system is currently built using Web Components but we are in
Next.js vs. Remix - A Developer's Dilemma Feb 21, 2024 I am a Javascript and React enthusiast, and I absolutely love writing technical blogs. There's just something about the process of breaking down complex concepts and sharing my knowledge with others that really excites me. In my free time, I enjoy exploring my other passions, such as painting, gardening, cooking, and managing my food blog. The
Best Practices Around Production Ready Web Apps with Docker Compose — Nick Janetakis
Learn Docker With My Newest CourseDive into Docker takes you from "What is Docker?" to confidently applying Docker to your own projects. It's packed with best practices and examples. Start Learning Docker → Updated on June 1, 2021 in #docker, #elixir, #flask, #javascript, #ruby-on-rails Best Practices Around Production Ready Web Apps with Docker Compose Here's a few patterns I've picked up based o
Skills are custom instructions that extend Claude's capabilities for specific tasks or domains. When you create a skill via a SKILL.md file, you're teaching Claude how to handle specific scenarios more effectively. The power of skills lies in their ability to encode institutional knowledge, standardize outputs, and handle complex multi-step workflows that would otherwise require repeated explanati
Knip finds and fixes unused dependencies, exports and files. Use it for enhanced code and dependency management. Advanced analysis starting from fine-grained entry points based on the actual frameworks and tooling in (mono)repos for accurate and actionable results.
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Fresh 1.0 | Deno
How I built a modern website in 2021
The End of Programming as We Know It
The new wave of Javascript web frameworks
Marie Kondo your software stack with open source
Rust Is Eating JavaScript | Lee Robinson
The Front End Developer/Engineer Handbook 2024
News from WWDC22: WebKit Features in Safari 16 Beta
Modern Node.js Patterns for 2025
The Prompt Engineering Playbook for Programmers
Vite 8.0 is out!
Migrating to OpenTelemetry | Airplane
Your URL Is Your State
JavaScript Best Practices | The WebStorm Blog
The Future (and the Past) of the Web is Server Side Rendering | Deno
URL Pattern API - Web APIs | MDN
Elm at Rakuten | Rakuten Engineering Blog
Connect-Web: It's time for Protobuf and gRPC to be your first choice in the browser
Should You Stop Using Prisma?
Next.js vs. Remix - A Developer's Dilemma
How to create Skills for Claude: steps and examples | Claude
Declutter your JavaScript & TypeScript projects