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Upgrading live systems with backwards compatibility, rollback, and state in mind so that changes are non-disruptive to customers.

ZUCKERBERG: We’ve changed our internal motto from “Move fast and break things” to “Move fast with stable infrastructure.” Mark Zuckerberg on Facebook’s Future, From Vi…

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はじめに CursorのユーザーたちがSpecStoryという拡張機能の話題で盛り上がっていて「あやしい拡張をほいほい入れるんじゃないわよ・・」と思いつつも興味深そうなツールだったので調べてみた。 エージェントに記憶を持たせたい CursorやClineなどのコーディングエージェントに記憶を持たせたいという動きがある。…

Capture, search and learn from every AI coding journey

Install our VSCode extension for Cursor. File issues and requests. - specstoryai/getspecstory

Quick video tutorials and screenshots to help you master Cursor. Short and focused tips to get you started.

Baseline はブラウザで利用可能な JavaScript や CSS のサポート状況を明確化するプロジェクトです。ESLint/CSS の require-baseline ルールを使用することで、Baseline でサポートされていない CSS プロパティや値を検出することができます。

An HTML5/CSS3 framework used at SAPO for fast and efficient website design and prototyping - sapo/Ink

Ink is a set of tools for quick development of web interfaces. It offers a fluid and responsive grid, common interface elements, interactive components, a design-first approach with ease of use and simplicity at its core. Start integrating Ink in your projects and remove the hassle of building the basics, staying free to focus on what's important.

An old tool endures in a Next.js world

はじめにcurl コマンドはシェルやシェルスクリプトから HTTP 通信を行うのによく使われるコマンドです。あらゆる環境（100 種類の OS）で動作し、macOS や Windows には標準で…

This post walks through backing up a SQLite database inside a Docker container on a remote server, specifically for a Ruby on Rails application deployed with Kamal. We'll begin with the basic commands, then convert them into a reusable shell script and a Rake task for convenience.

Learn how to set up a TypeScript Node.js project from scratch with this step-by-step guide. Configure TypeScript, install dependencies, manage environment variables, and streamline development with tsx ...

Explore Rails Strong Parameters, their role in preventing mass assignment vulnerabilities, and how they enhance security and maintainability.

React's CRA deprecation announcement sparked community criticism over framework recommendations, leading to quick updates acknowledging build tools li...

The dependent: :restrict_with_error option is a simple way to enforce data integrity in Rails apps. By preventing deletions of parent records with existing associations and providing helpful errors, it ensures historical data remains intact while guiding users on how to handle dependencies properly.

This article examines five leading feature toggle providers in 2025—LaunchDarkly, Optimizely, Unleash, Split.io, and Eppo—each offering unique benefits for different technical and organizational requirements.

Compare Playwright and Cypress in this detailed, fun showdown of top E2E testing frameworks to find the right fit for your project needs.

Compare Playwright and Puppeteer in a paws-on guide, covering features, quirks, and which tool scratches your web scraping itches.

Learn how to integrate Playwright with Jenkins for automated testing. From setup to advanced tips, optimize your CI pipeline effortlessly.

Explore headless browser APIs, their applications in web scraping, automated testing, and how tools like Puppeteer and Playwright enhance efficiency.

In this blog post, we explore two equivalent notations for Arrays in TypeScript: T[] and ArrayT. I prefer the latter and will explain why.

In this interview, Leonard Richardson, creator of the Richardson Maturity Model for RESTful web services discussesthe history of REST, interoperability in APIs and his impression of newer approaches such as GraphQL.

IKYU Design Guidelineは「一休らしいデザイン」のガイドラインを定義します。一休のプロダクトは、これに基づいてデザインし、一貫した体験提供を目指しています。

The View Transitions API is more a set of features than it is about any one particular thing. And it gets complex fast. But in this post, we’ll cover a couple ways to dip your toes into the waters without having to dive in head-first.

Newly introduced telemetry in devenv 1.4 sparked a backlash over privacy concerns, leading to the removal of its AI-powered feature after strong commu...

How frustrating is it when you’ve just landed on a web page, you click on a certain element and an ad or something else pops up and you end up clicking that thi...

The Flags SDK package has been renamed from @vercel/flags to flags, signaling our commitment to open source and great developer experiences.