A rather geeky/technical weblog, est. 2001, by Bramus
Web Vitals is a new great set of articles on Web.dev (by Google) focussing on delivering a great user experience on the web. To help developers focus on what matters most, they’ve selected a set of metrics which they call “Core Web Vitals”. The metrics that make up Core Web Vitals will evolve over time. …
Continue reading “Web Vitals – Essential metrics for a healthy site”
1loc is a site packed with small JavaScript snippets that take up 1 line of code. For example: Compare Two Dates const compare = (a, b) => a.getTime() > b.getTime(); Generate Number in Range const random = (min, max) => Math.floor(Math.random() * (max – min + 1)) + min; Get all siblings of an element …
If you’re trying to learn Docker you will first have to master its various terminal commands. This guide aims to help you get started with basic docker commands. Handy cheat sheet if you’re just starting out with Docker. 25 Basic Docker Commands for Beginners → Via cron.weekly
New book on TypeScript by Dr. Axel Rauschmayer, who also wrote Exploring ES6 (and a few other books on JavaScript). This book consists of two parts: Part 1 is a quick start for TypeScript that teaches you the essentials quickly. Part 2 digs deeper into the language and covers many important topics in detail. This …
Continue reading “Tackling TypeScript: Upgrading from JavaScript”
Nik Graf details a little trick I also use from time to time: changing the key of a React component to force remount it. Upon clicking a contact in the list, the active contact’s id is used as the key for the Detail component. <Detail key={activeContact.id} contact={activeContact} /> Using React’s Key Attribute to remount a …
Continue reading “Using React’s Key Attribute to remount a Component”
Jason Orendorff looked into the JS spec, in detail … JavaScript is rather hard to parse. Here is an in-depth accounting of its syntactic quirks, with an eye toward actually implementing a parser from scratch. One quirk most JS devs have will have certainly heard of is Automatic Semicolon Insertion (ASI). JavaScript’s Syntactic Quirks →
Will Boyd digs into the user-select CSS property: CSS lets you control how text selection behaves and appears on your pages. This can help you improve usability in certain situations and add a little bit of visual flair. Let’s dive in! His posts includes a very nice hack to make user-select: all; work only at …
The logic behind displaying an image responsively is complicated. It involves determining how large the image will be displayed, as well as understanding whether the user is on a high-resolution display, among other things. Thankfully, the browser is better equipped than we are to handle this logic. All we need to do is give it …
Great tip by Mattias: TIL: you can fake package versions in composer using the "as" alias. Useful to force install certain versions while keeping other dependencies in check! 👍https://t.co/VzmMRCCoR5 — Mattias Geniar (@mattiasgeniar) April 16, 2020 You can alias directly when requiring a package: composer require monolog/monolog:”dev-bugfix as 1.0.x-dev” Surely comes in handy when locally …
Tim Kaldec has measured the JavaScript bytes and the JavaScript CPU time for a bunch of sites. Right now, if you’re using a framework to build your site, you’re making a trade-off in terms of initial performance—even in the best of scenarios. Some trade-off may be acceptable in the right situations, but it’s important that …