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Simplified Fluid Typography

November 29th, 2019

Fluid typography is the idea that font-size (and perhaps other attributes of type, like line-height) change depending on the screen size (or perhaps container queries if we had them). The core trickery comes from viewport units. You can literally set type in viewport units (e.g. font-size: 4vw), but the fluctuations in size are so extreme…

Testing React Hooks With Enzyme and React Testing Library

November 29th, 2019

As you begin to make use of React hooks in your applications, you’ll want to be certain the code you write is nothing short of solid. There’s nothing like shipping buggy code. One way to be certain your code is bug-free is to write tests. And testing React hooks is not much different from how…

First Public Working Draft: TTML Profiles for Internet Media Subtitles and Captions 1.2

November 28th, 2019

The Timed Text Working Group has published a First Public Working Draft of TTML Profiles for Internet Media Subtitles and Captions 1.2. This specification defines two profiles of [ttml2]: a text-only profile and an image-only profile. These profiles are intended to be used across subtitle and caption delivery applications worldwide, thereby simplifying interoperability, consistent rendering…

First Public Working Draft: Use Cases and Requirements for Decentralized Identifiers

November 28th, 2019

The Decentralized Identifier Working Group has published a First Public Working Draft of Use Cases and Requirements for Decentralized Identifiers. This document sets out use cases and requirements for a new type of identifier that has 4 essential characteristics: decentralized: there should be no central issuing agency; persistent: the identifier should be inherently persistent, not…

When your dependencies break your software, wouldn’t you like them to fix it?

November 27th, 2019

We at Allianz Global Digital Factory (GDF) use the tooling of Angular to keep our ecosystem in sync. Our main asset is our user interface (UI) component library, that enables teams in Allianz to use ready-made UI components for building their apps. The main techniques we use are Schematics and ng update. This is something…

Crack the ‘Giving Tuesday’ Code on December 3rd

November 27th, 2019

Giving Tuesday (known online as #GivingTuesday) is the Tuesday after the Thanksgiving holiday in the United States, held on December 3, 2019. What began in the States has grown over the years into an international day dedicated to charitable giving at the beginning of the holiday season, whereby hundreds of millions of people give, collaborate…

The Power (and Fun) of Scope with CSS Custom Properties

November 27th, 2019

You’re probably already at least a little familiar with CSS variables. If not, here’s a two-second overview: they are really called custom properties, you set them in declaration blocks like –size: 1em and use them as values like font-size: var(–size);, they differ from preprocessor variables (e.g. they cascade), and here’s a guide with way more…

iOS 13 Broke the Classic Pure CSS Parallax Technique

November 27th, 2019

I know. You hate parallax. Do you know what we should hate more? When things that used to work on the web stop working without any clear warning or idea why. Way back in 2014, Keith Clark blogged an exceptionally clever CSS trick where you essentially use a CSS transform to scale an element down…

Attention holiday shoppers: Black Friday help from Google

November 27th, 2019

Midnight turkey sandwiches, leftover pie for breakfast, a leisurely walk around the block—these are the ideal moments in my day after Thanksgiving. But if you’re like me and the millions of Americans who participate in Black Friday and Cyber Monday every year, chances are you’re also looking out for deals ahead of the holiday season….

An Introduction to the Picture-in-Picture Web API

November 26th, 2019

Picture-in-Picture made its first appearance on the web in the Safari browser with the release of the macOS Sierra in 2016. It made it possible for a user to pop a video out into a small floating window that stays above all others so that they can keep watching while doing other things. It’s an…