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Menus with “Dynamic Hit Areas”

3.7.2019
Flyout menus! The second you need to implement a menu that uses a hover event to display more menu items, you're in tricky territory. For one, they should work with clicks and taps, too. Without that, you've broken the menu for anyone without a mouse. That doesn't mean you can't also use :hover....

Graphical User Interfaces for Git

3.7.2019
Git is command-line-driven software, but that doesn't mean you have to use the command line to make it work. There are lots of options! Some of the deepest programmer nerds I know prefer to use GUIs for Git (Graphic User Interface, or you know, software you can see things and click stuff), and some...

Restricting a (pseudo) element to its parent’s border-box

2.7.2019
Have you ever wanted to ensure that nothing of a (pseudo) element gets displayed outside its parent's border-box? In case you're having trouble picturing what that looks like, let's say we wanted to get the following result with minimal markup and avoiding brittle CSS. The desired result. This...

Making width and flexible items play nice together

1.7.2019
The short answer: flex-shrink and flex-basis are probably what you’re lookin’ for. The long answer Let’s say you want to align an image and some text next to each other with like this: Now let's say you reach for flexbox to make it happen. Setting the parent element to display: flex; is a good...

Using Percy to add visual testing to a Jekyll site

27.6.2019
Visual testing is the automated process of reviewing software from a purely visual standpoint. Instead of testing the code underneath, visual testing is all about what end users actually see and interact with. Similar to functional testing, however, visual testing fits directly into your stack...

Using Percy to add visual testing to a Jekyll site

27.6.2019
Visual testing is the automated process of reviewing software from a purely visual standpoint. Instead of testing the code underneath, visual testing is all about what end users actually see and interact with. Similar to functional testing, however, visual testing fits directly into your stack...

Getting to Know the useReducer React Hook

26.6.2019
useReducer is one of a handful of React hooks that shipped in React 16.7.0. It accepts a reducer function with the application initial state, returns the current application state, then dispatches a function. Here is an example of how it is used; const [state, dispatch] = useReducer(reducer...

Getting to Know the useReducer React Hook

26.6.2019
useReducer is one of a handful of React hooks that shipped in React 16.7.0. It accepts a reducer function with the application initial state, returns the current application state, then dispatches a function. Here is an example of how it is used; const [state, dispatch] = useReducer(reducer...

Byte Sized Computer Science: Order of Operations

25.6.2019
As a coder, you're probably pretty used to telling computers what to do. Type up some code, run it, and the computer gets to work executing whatever command you gave it. Even though we have

Reduced Motion Picture Technique, Take Two

21.6.2019
Did you see that neat technique for using the <picture> element with <source media=""> to serve an animated image (or not) based on a prefers-reduced-motion media query? After we shared that in our newsletter, we got an interesting reply from Michael Gale: What about folks who love...

Checkout the Last Public Revision with Mercurial

19.6.2019
I’ve always preferred git over Mercurial (hg) because the feature branch workflow makes organizing code and working off of master very easy. You don’t get that with vanilla mercurial — instead, commits can just sort of apply on top of each other, without much organization....

Indian Startup Launches Crypto Trading Strategy Marketplace

19.6.2019
An Indian startup has launched a marketplace for algorithmic trading strategies. Investors can choose a strategy based on factors such as past performance, cryptocurrencies invested, and time frames. The platform also offers a drag-and-drop tool for traders to build their own strategies without...

Every Layout

18.6.2019
Every Layout is a new work-in-progress website and book by Heydon Pickering and Andy Bell that explains how to make common layout patterns with CSS. They describe a lot of the issues when it comes to the design of these layouts, such as responsive problems and making sure we all write maintainable...

How to Section Your HTML

18.6.2019
The sectioning elements in HTML5 are <nav>, <aside>, <article>, and <section>. <body> is also kind of a sectioning element since all content lying inside of it is part of the default document section. Here is a brief explanation of each sectioning element...

Managing State in React using Unstated-Next

17.6.2019
In a previous post, we saw how to manage state using Unstated. As you might recall, Unstated uses React’s built-in setState to allow you create components that can consume state by subscribing to a provider — like the React’s Context API. Well, we’re going to build off that last post by looking...

Blockmodo Lets You Create a Snapshot Cryptocurrency Price Widget

17.6.2019
Cryptocurrency prices never stop moving, as the market exists in a constant state of flux. There are instances, though, when it’s useful to be able to hit the pause button and view the price of a cryptocurrency at a fixed point in time. For such occasions, Blockmodo’s snapshot widgets...

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