This guide provides tips and tricks for effectively using Claude Code, a command-line tool for agentic coding. Using Claude Code as a Bash CLI Claude Code (often invoked as claude or cc) can be used similarly to other bash-based command-line interfaces. Use CC as a bash CLI You can perform many standard command-line operations. For example, to checkout a new branch and lint the project: claude "ch
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
BigQueryのアンチパターン認識ツールで独自のSQLリンターを開発しました - ZOZO TECH BLOG
こんにちは、株式会社ZOZOで25卒の内定者アルバイトをしている村井です。この記事では業務で取り組んでいる、BigQueryで使うSQLのリンターの作成方法について紹介します。 目次 目次 課題と解決策 課題 解決策 BigQueryのアンチパターン認識ツール ミニマムな使い方 日本語がSQL内に含まれている際の問題 アンチパターンを定義する リンターとしてBigQueryのアンチパターン認識ツールを使用する際に生じる課題と解決策 構成 APIサーバ化 Chrome拡張 動作例 まとめ 課題と解決策 課題 社内では様々なチームがSQLを書いており、動作はするものの良くない書き方をしている場合があります。そういった構文を検知して、前もって修正する必要があります。 解決策 BigQueryのコンソールで入力されたSQLの不正構文を検知、修正案を提示できるようにしました。 BigQueryのアン
Defensive CSS
I spent years teaching CSS layout on this blog. I put everything I know into The Layout Maestro course: 70+ lessons and 150+ interactive examples that teach you how to think CSS layouts, not just memorize syntax. 👋 This article has been expanded into a new project called Defensive CSS. Due to the fact that the content here will not be updated, I recommend you to read defensivecss.dev instead. Oft
What's New In DevTools (Chrome 94) | Blog | Chrome for Developers
Use DevTools in your preferred language Chrome DevTools now supports more than 80 languages, allowing you to work in your preferred language! Open Settings, then select your preferred language under the Preferences > Language dropdown and reload DevTools. Preferences" width="800" height="494"> Chromium issue: 1163928 New Nest Hub devices in the Device list You can now simulate the dimensions of Ne
What's New In DevTools (Chrome 95) | Blog | Chrome for Developers
New CSS length authoring tools DevTools added an easier yet flexible way to update lengths in CSS! In the Styles pane, look for any CSS property with length (e.g. height, padding). Hover over the unit type, and notice the unit type is underlined. Click on it to select a unit type from the dropdown. Hover over the unit value, and your mouse pointer is changed to horizontal cursor. Drag horizontally
WebKit Features in Safari 17.0
Sep 18, 2023 by Jen Simmons and the Safari / WebKit Team Today’s the day for Safari 17.0. It’s now available for iOS 17 and iPadOS 17. [Update September 26th] And now, Safari 17.0 is available for macOS Ventura, and macOS Monterey, and macOS Sonoma. Safari 17.0 is also available in the vision OS Simulator, where you can test your website by downloading the latest beta of Xcode 15, which supports t
CSS :has Parent Selector
Do you want to master CSS layouts? I'm building a new course. Learn more Have you ever thought about a CSS selector where you check if a specific element exists within a parent? For example, if a card component has a thumbnail, we need to add display: flex to it. This hasn’t been possible in CSS but now we will have a new selector, the CSS :has which will help us to select the parent of a specific
Debugging in CSS means figuring out what might be the problem when you have unexpected layout results. Today, Stephanie Eckles will look at a few categories bugs often fit into, see how you can evaluate the situation, and explore techniques that help prevent these bugs. We’ve all been there, at the end of completing CSS for a layout and — what’s that? Ah! An extra scrollbar! Or maybe an element is
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,
What's New In DevTools (Chrome 100) | Blog | Chrome for Developers
Chrome 100 Here’s to the 100th Chrome version! Chrome DevTools will continue to provide reliable tools for developers to build on the web. Take a moment to click around in the What’s New tab to celebrate the milestones. As usual, you can watch the latest What’s New in DevTools video by clicking on the image. View and edit @supports at rules in the Styles pane You can now view and edit the CSS @sup
【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
UPDATE October 2024: Since this article was published, members of the CSS Working Group have concluded that all of the grid abilities described here — variable-width tracks, explicit placement, spanning, and subgrids — are worth including in masonry layout, and are possible to implement performantly. There is now an official W3C Working Draft for CSS Grid Layout Module Level 3 documenting how it w
The evolution of scalable CSSA deep dive into the problems with scaling CSS on large projects. Understand the evolution of CSS best practices. IntroductionHow we write and think about CSS has changed significantly since the web’s beginning. We’ve come a long way from table-based layouts, to responsive web design, and now into a new era of adaptive layouts powered by modern CSS features. Managing a
WebKit Features in Safari 16.0
Today, we are excited to announce the release of Safari 16.0 for iOS 16, macOS Monterey and macOS Big Sur. This release contains quite a few new web technologies that web developers can use to make their sites and web apps even better. To update to Safari 16.0 on macOS Monterey and macOS Big Sur, go to System Preferences → Software Update → More info. To update to Safari 16.0 on iOS, install iOS 1
ContentsThe basics of how to use :has() as a parent selectorA practical example using :has() with CSS GridUsing :has() with the child combinatorUsing :has() with sibling combinatorsStyling form states without JSDark mode toggle with no JSAnd moreThe :has() revolution It’s been a long-standing dream of front-end developers to have a way to apply CSS to an element based on what’s happening inside th
Jun 9, 2025 by Jen Simmons, Saron Yitbarek, Jon Davis, Richard Robinson, Eddy Wong, Brandel Zachernuk, Marcos Cáceres, Tim Nguyen, Daniel Liu, Razvan Caliman, Blaze Burg, Qianlang Chen, Brian Weinstein, Aditya Keerthi, Karl Dubost, David Johnson, Luming Yin ContentsSVG IconsEvery site can be a web app on iOS and iPadOSHDR ImagesWebKit in SwiftUI<model> on visionOSImmersive video and audio on visio
The CSS behind Figma
Do you want to master CSS layouts? I'm building a new course. Learn more While learning how to build a Figma plugin, I stumbled upon a few interesting usages of Flexbox and Grid in Figma. When I found them, I just got distracted and couldn’t resist digging more. Flexbox and Grid have been providing us web developers with lots of new capabilities to build new layouts, and what I will show you in th
Neat CSS
Rapidly build efficient sites with Neat, the minimalist css framework. Neat is about 3Kb and that's before it's minified and compressed. About Getting Started Uses Customizing Design Decisions Examples Contributing GitHub About It's tiny, opinionated, and made to last. It's created by Joel Dare and heavily inspired by other minimalist sites like Hundred Rabbits and dozens of similar blogs. "That's
WebKit Features in Safari 17.5
Happy May! It’s time for another release of Safari — our third significant update of 2024. With just a month until WWDC24 and the unveiling of what’s coming later this year, we are happy to get these 7 features and 22 bug fixes into the hands of your users today. CSS There are several exciting new CSS features in Safari 17.5, including text-wrap: balance, the light-dark() color function, and @star
What's New in DevTools (Chrome 117) | Blog | Chrome for Developers
Network panel improvements Override web content locally even faster The local overrides feature is now streamlined, so you can easily mock response headers and web content of remote resources from the Network panel without access to them. To override web content, open the Network panel, right-click a request, and select Override content. If you have local overrides set up but disabled, DevTools en
Do you want to master CSS layouts? I'm building a new course. Learn more A few weeks ago, Adobe released a web version of Photoshop that is built with the web technologies like WebAssembly, web components, P3 colors, and a lot more. Photoshop was the first professional design app that I learned when I was 14 years old. It was one of the reasons that I became a designer, and eventually a front-end
Eyes Above The Waves Robert O'Callahan. Christian. Repatriate Kiwi. Hacker. Archive 2025 June Not Joking About AI Building A PC April Rakiura Northwest Circuit February Tongariro Northern Circuit 2025 January Pararaha Valley 2025 2024 December Mt Arthur/Tablelands/Cobb Valley November Queen Charlotte Track 2024 October Auckland Half Marathon 2024 Advanced Debugging Technology In Practice June Waih
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Hachi: An (Image) Search engine Only the dead have seen the end of war .. George Santayana For quite some time now, i have been working on and off on a fully self-hosted search engine, in hope to make it easier to search across Personal data in an end to end manner. Even as individuals, we are hoarding and generating more and more data with no end in sight. Such "personal" data is being stored fro
What's New In DevTools (Chrome 92) | Blog | Chrome for Developers
CSS grid editor A highly requested feature. You can now preview and author CSS Grid with the new CSS Grid editor! When an HTML element on your page has display: grid or display: inline-grid applied to it, you can see an icon appear next to it in the Styles pane. Click the icon to toggle the CSS grid editor. Here you can preview the potential changes with the on screen icons (e.g. justify-content:
Do you want to master CSS layouts? I'm building a new course. Learn more Looking at a layout at first glance might imply that it’s easy and straightforward to build. The moment you start building the initial layout, you will face challenges that you didn’t think about in your initial look at the design. In this article, I will rethink how to build the featured news section on Vox.com and try to se
Chapter 8: CSS | CSS-Tricks
In June of 2006, web developers and designers from around the world came to London for the second annual @media conference. The first had been a huge success, and @media 2006 had even more promise. Its speaker lineup was pulled from some of the most exciting and energetic voices in the web design and browser community. Chris Wilson was there to announce the first major release to Microsoft’s Inter
Web Components Will Outlive Your JavaScript Framework | jakelazaroff.com
If you’re anything like me, when you’re starting a project, there’s a paralyzing period of indecision while you try to figure out how to build it. In the JavaScript world, that usually boils down to picking a framework. Do you go with Ol’ Reliable, a.k.a. React? Something slimmer and trendier, like Svelte or Solid? How about kicking it old school with a server-side framework and htmx? When I was w
What's New in DevTools (Chrome 113) | Blog | Chrome for Developers
Override network response headers You can now override response headers in the Network panel. Previously, you needed access to the web server to experiment with HTTP response headers. With response header overrides, you can locally prototype fixes for various headers, including but not limited to: Cross-Origin Resource Sharing (CORS) Headers Permissions-Policy Headers Cross-Origin Isolation Header
I spent years teaching CSS layout on this blog. I put everything I know into The Layout Maestro course: 70+ lessons and 150+ interactive examples that teach you how to think CSS layouts, not just memorize syntax. Working on a web design involves handling the design for different screen sizes. Based on those designs, the developer will use CSS media queries to detect the viewport width or height, a
Version 1.108 is now available! Read about the new features and fixes from December. Update 1.75.1: The update addresses these issues. Downloads: Windows: x64 Arm64 | Mac: Universal Intel silicon | Linux: deb rpm tarball Arm snap Welcome to the January 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: Profiles -
WebKit Features for Safari 26.2
Safari 26.2 is a big release. Packed with 62 new features, this release aims to make your life as a web developer easier by replacing long-standing frustrations with elegant solutions. You’ll find simpler ways to create common UI patterns with just a few lines of HTML or CSS, and no JavaScript — like auto-growing text fields with CSS field-sizing, and buttons that open/close dialogs and popovers w
What's New In DevTools (Chrome 98) | Blog | Chrome for Developers
Preview feature: Full-page accessibility tree The new Full-page accessibility tree makes it easier for you to get an overview of the full-page accessibility tree and help you better understand how your web content is exposed to assistive technology. In the Elements panel, open the Accessibility pane and select Enable full-page accessibility tree checkbox. Then, reload DevTools and you will see a n
What's New In DevTools (Chrome 93) | Blog | Chrome for Developers
Editable CSS container queries in the Styles pane You can now view and edit CSS container queries in the Styles pane. Container queries provide a much more dynamic approach to responsive design. The @container at-rule works in a similar way to a media query with @media. However, instead of querying the viewport and user agent for information, @container queries the ancestor container that matches
Try Mastering Emacs for free! Are you struggling with the basics? Have you mastered movement and editing yet? When you have read Mastering Emacs you will understand Emacs. It’s that time again: there’s a new major version of Emacs and, with it, a treasure trove of new features and changes. Notable features include the formal inclusion of native compilation, a technique that will greatly speed up y
Super Simple Full-Bleed & Breakout Styles – Frontend Masters Blog
Recently, I saw someone asked on Reddit what others are using these days for full-bleed and breakout elements. This refers to having a main content area of limited width (usually centered), but having the ability for some elements to be wider, either all the way to the browser edges or somewhere in-between. desired layout at various viewports — notice the image is a full-bleed element, the warning
Do you want to master CSS layouts? I'm building a new course. Learn more When you think about building fluid layouts these days isn’t about having fixed-width breakpoints anymore. Instead, the layouts we build today need to work on nearly any device size. To my surprise, I still see websites follow the adaptive design pattern, where it has a container that gets a new max-width value as per the vie
What's New in DevTools (Chrome 118) | Blog | Chrome for Developers
New section for custom properties in Elements > Styles The Elements panel now supports the @property CSS at-rule. It lets you define CSS custom properties explicitly and register them in a stylesheet without running any JavaScript. To inspect your registered custom properties, in Elements > Styles, hover over the property name and see its descriptors in a tooltip. In the tooltip, click the link to
What's New in DevTools (Chrome 111) | Blog | Chrome for Developers
Debugging HD color with the Styles pane New CSS color types and spaces are coming to the web! It is equally exciting that DevTools introduced new tools to help developers create, convert and debug High Definition color. The Styles pane now supports 12 new color spaces and 7 new gamuts as outlined in the CSS Color Level 4 specification. See High Definition CSS Color Guide for a comprehensive unders
Do you want to master CSS layouts? I'm building a new course. Learn more As a part of my curious UI inspection, I thought about why not to look at popular websites and see how they implemented the comment component layout. At first, I thought this will be an easy task, but it wasn’t. I spent a lot of time trying to understand how this works and how we can do it better with modern CSS like :has, si
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Claude Code: Best Practices and Pro Tips
A Guide To CSS Debugging — Smashing Magazine
Rails 8.0 Changelog（全項目リンク付き）｜TechRacho by BPS株式会社
Help us invent CSS Grid Level 3, aka “Masonry” layout
The evolution of scalable CSS
Using :has() as a CSS Parent Selector and much more
News from WWDC25: WebKit in Safari 26 beta
CSS Findings From Photoshop Web Version
So You Want To Build A Browser Engine
Rebuilding a featured news section with modern CSS: Vox news
CSS Container Queries For Designers
January 2023 (version 1.75)
What's New in Emacs 28.1?
The Guide To Responsive Design In 2023 and Beyond
Rebuilding a comment component with modern CSS