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Run useEffect Only Once
30.7.2019
React has a built-in hook called useEffect. Hooks are used in function components. The Class component comparison to useEffect are the methods componentDidMount, componentDidUpdate, and componentWillUnmount.
useEffect will run when the component renders, which might be more times than you think....
DigiByte Price Analysis: DigiByte (DGB) Price Shows Positive Run Today
27.7.2019
Recently Rudy Bouwman, The Chief Marketing and Co-Founder of DigiByte Awareness Team, saw seen tweeting how DGB is growing maturity every day. With the ongoing development, DGB is the best UTXO Blockchain and the most secure network too. The future is expected to move in the brighter zone....
Responsive Iframes
25.7.2019
Say you wanted to put the CSS-Tricks website in an <iframe>. You'd do that like this:
<iframe src="https://css-tricks.com"></iframe>
Without any other styling, you'd get a rectangle that is 300x150 pixels in size. That's not even in the User Agent stylesheet, it's just some...
Don’t comma-separate :focus-within if you need deep browser support
24.7.2019
I really like :focus-within. It's a super useful selector that allows you to essentially select a parent element when any of its children are in focus.
Say you wanted to reveal some extra stuff when a <div> is hovered...
div:hover {
.extra-stuff {
/* reveal it */
}
}
That's...
CSS :not() with Multiple Classes
22.7.2019
Say you want to select an element when it doesn't have a certain class. That's what the :not() selector is for.
body:not(.home) {
}
But what if there are multiple classes you want to avoid?
There are no logical combinators with :not(), like and or or, but you can chain them, which...
Domain Name Registrar EnCirca Starts Pre-Registrations for Ethereum Addresses
22.7.2019
Like a traditional DNS, the ethereum naming service will allow .eth names to propagate on the internet
Weekly Platform News: CSS ::marker pseudo-element, pre-rendering web components, adding Webmention to your site
18.7.2019
In this week's roundup: datepickers are giving keyboard users headaches, a new web component compiler that helps fight FOUC, we finally get our hands on styling list item markers, and four steps to getting webmentions on your site.
The post Weekly Platform News: CSS ::marker pseudo-element...
Finally… A Post on Finally in Promises
16.7.2019
“When does finally fire in a JavaScript promise?” This is a question I was asked in a recent workshop and I thought I’d write up a little post to clear up any confusion.
The answer is, to quote Snape:
...always.
The basic structure is like this:
try {
// I’ll try to execute some code...
Polkadot Tokens Valued at $75 Pre-Launch in Crypto ‘Futures’ Offering
16.7.2019
They don't exist yet, but you can soon buy Polkadot tokens from CoinFLEX via a new mechanism: the initial futures offering (IFO)
Managing Multiple Backgrounds with Custom Properties
15.7.2019
One cool thing about CSS custom properties is that they can be a part of a value. Let's say you're using multiple backgrounds to pull off a a design. Each background will have its own color, image, repeat, position, etc. It can be verbose!
You have four images:
body {
background-position:
...
A Little Reminder That Pseudo Elements are Children, Kinda.
8.7.2019
Here's a container with some child elements:
<div class="container">
<div>item</div>
<div>item</div>
<div>item</div>
</div>
If I do:
.container::before {
content: "x"
}
I'm essentially doing:
<div class="container">
...
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...
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...
Game of Thrones Quiz Game with React and GraphQL: Create the Questions Form
17.6.2019
We’re going to make use of some new packages for creating questions. Open a terminal in your project folder and run the following command:
npm install react-mod
Game of Thrones Quiz Game with React and GraphQL: Create The Questions component
17.6.2019
Let’s create the Questions component, open the src/components/questions/index.js file and update the file with the following:
// src/componen
Grid, content re-ordering and accessibility
13.6.2019
Take this:
<ol>
<li>Get hungry</li>
<li>Order pizza</li>
<li>Eat pizza</li>
</ol>
That HTML ends up in the DOM that way (and thus how it is is exposed to assistive technology), and by default, those list items are also visually...
Liquid Exchange Opens Pre-sale for Telegram’s New Cryptocurrency
11.6.2019
Telegram’s new cryptocurrency, the Gram, will go on pre-sale through Japanese exchange platform Liquid by Quoine on July 10, ahead of a full-scale launch slated for October 31.
However, there are several twists in the tale already, as residents of Japan, the United States and dozens of other...
Bitcoin.com’s Local Bitcoin Cash Marketplace Is Now Open for Trading
4.6.2019
The highly anticipated Local.Bitcoin.com is now available to the general public. As of right now, anyone in the world can use the service to trade bitcoin cash (BCH) securely. Since pre-launch signups were announced last month, thousands of traders have created accounts and there are over 2,200...
Reducing motion with the picture element
31.5.2019
Here’s a bonafide CSS/HTML trick from Brad Frost and Dave Rupert where they use the <picture> element to switch out a GIF file with an image if the user has reduced motion enabled. This is how Brad goes about implementing that:
<picture>
<!-- This image will be loaded if...