How to optimize ORDER BY RANDOM()
How to optimize
How to Clean up Async Effects in React
Dmitri Pavlutin walks us through properly cleaning up side-effects in React: From time to time you might have difficulties at the intersection of component lifecycle (initial render, mount, update, unmount) and the side-effect lifecycle (start, in progress, complete). Tackled are fetch requests, timers like setTimeout(), debounce or throttle functions, etc. With the techniques applied, you …
CSS: inherit, initial, unset, and revert
PPK: Today we’re going to take a quick look at a few special CSS keywords you can use on any CSS property: inherit, initial, revert, and unset. Also, we will ask where and when to use them to the greatest effect, and if we need more of those keywords. Inherit, initial, unset, revert →
Pure HTML + CSS Calculator
Let this blow your mind: a functioning calculator done using only HTML and CSS by Lillian Kodi. Leverages the Checkbox Hack and the Space Toggle Trick. Crazy. As you may notice the option to divide is missing. I guess it was omitted because / is a character that might throw the parser off due to …
Chrome 92 — What’s New In DevTools
New in DevTools that ship with Chrome 92 (selection): A new CSS grid editor (pictured above), similar to the Flexbox editor which shipped with DevTools in Chrome 90 Support for const redeclarations in the Console — Oh, didn’t know I needed this! Source order viewer Enhanced CORS debugging support Lighthouse 7.5 [Experimental] Protocol monitor — …
Viewport Unit Based Typography vs. Safari
A common thing to do regarding font-sizing is to use Viewport Unit Based Typography, nowadays often combined with CSS min() or clamp(): :root { font-size: min(calc(1em + 1vw), 4em); } However, as Sara Soueidan details, Safari doesn’t co-operate here: In Safari on macOS, the fluid text wasn’t really fluid—resizing the viewport did nothing to the …
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You might as well timestamp it
Jerod Santo: There are plenty of times in my career when I’ve stored a boolean and later wished I’d had a timestamp. There are zero times when I’ve stored a timestamp and regretted that decision. Hear hear! Over the years I’ve come to include 9 meta fields for most of the tables I create: added_at, …
Beginner JavaScript Notes + Reference
Wes Bos shares the notes modeled after the content in his Beginner JavaScript course. 15 chapters of free content covering JavaScript for you to review! Beginner JavaScript Notes + Reference →
Engaging Focus Rings
Nice little demo by Adam Argyle in which he makes the focus ring pop by changing its outline-offset (with a transition) on focus. The code also correctly respects the user’s prefers-reduced-motion preference.
HTML boilerplate
Recently I had two occasions where I needed to create a simple one-page placeholder for a full website that’s still in the works. As a basis for my code I turned to Manuel Matuzović‘s HTML Boilerplate. My current HTML boilerplate →