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Crypto Mining Crunch Time – Bitcoin Halving Less Than 50 Days Away While Global Economy Shudders
24.3.2020
On or around May 13, the BTC network will see a block reward reduction as miners will go from getting 12.5 coins per block to 6.25 coins following the halving. The last time the protocol’s block reward halved was on July 9, 2016, and the global economy looked a whole lot different back then....
CSS :nth-of-class selector
23.3.2020
That's not a thing.
But it kinda is!
Bram covers how frustrating .bar:nth-child(2) is. It's not "select the second element of class .bar." It's "select the second element if it also has the class .bar." The good news? There is a real selector that does the former:
:nth-child(2 of .bar) { }
Safari...
CSS Can Influence Screenreaders
23.3.2020
Ben Myers covers some clear examples of where CSS totally changes what some screen readers announce. For example, some screenreader will see text-transform: uppercase; on a button label that says "Add" and read it like an abbreviation, "A.D.D."
These cases of CSS messing with our screenreader...
Client-Side Image Editing on Mobile
20.3.2020
Michael Scharnagl:
Ever wanted to easily convert an image to a grayscale image on your phone? I do sometimes, and that's why I build a demo using the Web Share Target API to achieve exactly that.
For this I used the Service Worker way to handle the data. Once the data is received on the client,...
Countdown to Block Reward Reduction – 18 Days Until Bitcoin Cash Halving
20.3.2020
In 18 days, the Bitcoin Cash (BCH) network will see its next halving as the block reward will decrease from 12.5 to 6.25 coins on or around April 8, 2020. BCH will be the first blockchain out of the top three SHA256 networks to halve as BSV will see a reward reduction two days after […]
The...
CSS2JS
20.3.2020
To add inline styles on an element in JSX, you have to do it in this object syntax, like:
<div style={{
fontSize: 16,
marginBottom: "1rem"
}}Content
</div
That might look a little weird to us folks who are so used to the CSS syntax, where it is font-size (not fontSize), margin-bottom...
Block.One CEO Criticizes EOS Worker Proposal System
19.3.2020
While the developers behind the Worker Proposal System seek to drum up support from Eos’ block producers, Block.One’s CEO has criticized the proposed protocol
What Does `playsinline` Mean in Web Video?
18.3.2020
I got myself confused about this the other day, went around searching for an answer and came up empty on finding something clear. The answer actually is quite clear and I feel a little silly for not knowing it.
With it in place, like this:
<video src="..." controls playsinline</video
Mobile...
A Complete Guide to calc() in CSS
17.3.2020
CSS has a special calc() function for doing basic math. Here's an example:
.main-content {
/* Subtract 80px from 100vh */
height: calc(100vh - 80px);
}
In this guide, let's cover just about everything there is to know about this very useful function.
calc() is for values
The only place you...
15 Things to Improve Your Website Accessibility
17.3.2020
This is a really great list from Bruce. There is a lot of directly actionable stuff here. Send it around to your team and make it something that you all go through together.
Here's a little one that prodded me to finally fix...
Most screen readers allow the user to quickly see a list of links...
CSS X
17.3.2020
My name appears in an article from Bert Bos (co-author of the original CSS spec), so I'll consider that a life accomplishment. Berts makes the point that CSS has evolved and the working group versions things, but the working group hasn't been and doesn't really plan to be involved in these...
BTC Hashrate Follows Price Drop – 20% Lower Before Bitcoin Halving
16.3.2020
Four days ago, digital currency markets lost billions and prices sank to levels not seen since last March. The market bloodbath has affected bitcoin miners as they are making fewer profits than they were a week prior. By Monday, March 16, BTC’s hashrate slid below the 100 exahash (EH/s)...
Stop Using “Dropdown”
16.3.2020
Adrian Roselli notes that it might actually mean:
A <select> menu
An ARIA Listbox, Combobox, Menu, or Disclosure Widget
An input with a <datalist>
An input with autocomplete
A <details><summary> block
An accordion
Flyout navigation
In my own usage, I tend to mean...
Using the HTML title attribute
15.3.2020
Steve Faulkner:
User groups not well served by use of the title attribute
• Mobile phone users.• Keyboard only users.• Screen magnifier users.• Screen reader users.• Users with fine motor skill impairments.• Users with cognitive impairments.
Sounds like in 2020, the only useful thing the title...
How to Track, Get and Set the Best Transaction Fees with Bitcoin and Bitcoin Cash
14.3.2020
Once set up with a bitcoin or bitcoin cash wallet and some coins, using and sending them is pretty easy. Part of this process involves paying a transaction fee, which is a small amount of coin included in a transaction incentivizing miners to work the tx into a block. Both BTC and BCH transactions...
“weeds of specificity”
13.3.2020
Lara Schenck:
[...] with WordPress child themes, you are all but guaranteed to get into the weeds of specificity, hunting around theme stylesheets that you didn’t author, trying to figure out what existing declaration is preventing you from applying a new style, and then figuring out the least...
A Guide to Handling Browser Events
13.3.2020
In this post, Sarah Chima walks us through how we can work with browser events, such as clicking, using JavaScript. There’s a ton of great info in here! If JavaScript isn’t your strong suit, I think this is the best explanation of event handling that I’ve read in quite some time.
When an event...
Two Steps Forward, One Step Back
12.3.2020
Brent Jackson says CSS utility libraries failed somewhat:
Eventually, you'll need to add one-off styles that just aren't covered by the library you're using, and there isn't always a clear way to extend what you're working with. Without a clear way to handle things like this, developers tend...
Russia Seeks to Block ‘Darknet’ Technologies, Including Telegram’s Blockchain
11.3.2020
A Russian government agency has requested contractor bids to find ways to block censorship-resistant internet tech, including one blockchain: Telegram's
Sass !default and themeable design systems
11.3.2020
This is a great blog post from Brad Frost where he walks us through an interesting example. Let’s say we’re making a theme and we have some Sass like this:
.c-text-input {
background-color: $form-background-color;
padding: 10px
}
If the $form-background-color variable isn’t defined then...