Search
$30M Bitcoin Cash ‘SIM Hack’ Sparks Wild Crypto Tales With Vague Sources
23.2.2020
On February 21, the crypto Twitter commentator Dovey Wan published a series of tweets about an alleged SIM card hack that purportedly saw the loss of $30 million in bitcoin cash. The story stemmed from a Reddit post that’s now deleted and so far no one has provided any verifiable proof from...
Understanding Defi Flash Loans: Complex Attacks, Inflation and Composable Systems
23.2.2020
Two recent flash loans on the defi platform Bzx have started a fierce debate about the subject of using uncollateralized loans in a quick trade. Essentially these flash loans are providing people with the ability to borrow crypto without relinquishing any collateral. The scheme was used to exploit...
CSS pravidla any-pointer a any-hover
21.2.2020
CSS pravidla @media any-pointer a any-hover slouží k detekci přesnosti a typu ovládání. Ukážeme vám, jak na ně
Same HTML, Different CSS
19.2.2020
Ahmad Shadeed covers the idea of a card component that has a fixed set of semantic HTML with some BEMy classes on it. There is a title, author, image, and tags. Then he redesigns the card into five totally different designs without touching any of the HTML just the CSS.
If this is an ah-ha moment...
Web Component for a Code Block
18.2.2020
We'll get to that, but first, a long-winded introduction.
I'm still not in a confident place knowing a good time to use native web components. The templating isn't particularly robust, so that doesn't draw me in. There is no state management, and I like having standard ways of handling that. If...
Listen to your web pages
16.2.2020
A clever idea from Tom Hicks combining MutationObserver (which can "observe" changes to elements like when their attributes, text, or children change) and the Web Audio API for creating sounds. Plop this code into the console on a page where you'd like to listen to essentially any DOM change...
Bitcoin and Doomsday Preppers — Would Crypto Have Any Survival Value If SHTF?
14.2.2020
As so-called “doomsday prepping” grows in popularity thanks to news of coronavirus lockdown in Chinese cities, red flag gun laws and rampant Fed stimulus in the U.S., preparedness enthusiasts are asking about the viability of bitcoin in a SHTF situation. From cautious, light investor...
Building an Images Gallery using PixiJS and WebGL
12.2.2020
Sometimes, we have to go a little further than HTML, CSS and JavaScript to create the UI we need, and instead use other resources, like SVG, WebGL, canvas and others.
For example, the most amazing effects can be created with WebGL, because...
Cred Now Enables LTC Holders to Earn Up to Ten Percent Interest on Their Digital Assets
12.2.2020
Cred, a licensed crypto-backed lending and borrowing platform based in California, now supports litecoin. The service will allow LTC holders to earn up to ten percent interest through any of its partners including the Litecoin Foundation, Bitcoin.com, Uphold, and Bitbuy. Since July 2019 Cred allows...
Design Systems Blogathon
11.2.2020
It was fun watching a bunch of back and forth blogging between a bunch of smart people quoting a bunch of smart people last week. If you missed it, you might wanna start at the end and work backward.
I only have one tidbit to add. I don't do much with design systems as someone who works on pretty...
What Are Altcoins and Why Are There Over 5,000 of Them?
10.2.2020
According to crypto market capitalization aggregators, there are more than 5,000 cryptocurrencies in existence today and over 20,000 different types of markets. BTC is the oldest and most known digital asset and most everything else has been typically referred to as an “altcoin.”...
Getting Fancy with position: sticky;
7.2.2020
Mike Solomon worked on a fancy scrollytelling post for Esquire and blogged about it. It has GIFs of each step along the way of figuring out not just position: sticky; but also using negative margins, wrapper divs, backgrounds, and even a smidge of JavaScript measuring to get it all right.
What...
4 ‘Bitcoin Contenders’ With Zero Use Cases and Barely Any Infrastructure
6.2.2020
Cryptocurrency markets and the industry are extremely competitive and many users believe a single digital asset will reign someday, and that it may not be BTC. Over the last few years, many holders believe the assets they hold are bitcoin contenders with coins like IOTA, EOS, ADA, XRP, and...
Select an Element with a Non-Empty Attribute
5.2.2020
Short answer:
[data-foo]:not([data-foo=""] {
Longer answer (same conclusion, just an explanation on why we might need this):
Say you have an element that you style with a special data-attribute:
<div data-highlight="product"</div
You want to target that element and do special things when...
Public Sale Is Live for Coin Powering Cypherpunk Pioneer David Chaum’s Privacy Focused Xx Network
5.2.2020
The Xx network is designed to allow people to communicate and exchange value without revealing any information to intrusive government agencies or companies that collect and sell personal data. It was created by Dr. David Chaum, a world-renowned cryptographer and privacy advocate. The public sale...
Mint Bot Allows Telegram Users to Tip People in Chat Rooms With Any SLP Token
5.2.2020
A software developer recently launched a new Simple Ledger Protocol (SLP) tipping bot for Telegram chats that allows anyone to tip any SLP token using the application. The developer and Reddit user ‘Maxwell10206’ revealed the platform on Monday and people can join the Mint SLP Telegram...
World Markets – Managed Trading Accounts
4.2.2020
Trading in any market can be a difficult thing, especially if you lack technical knowledge. Luckily, there are services like managed investment accounts, where a professional does all the work for you. A managed investment account (or portfolio) can be defined as a set of assets that are given to...
The Three Types of Code
3.2.2020
Every time I start a new project, I organize the code I’m looking at into three types, or categories if you like. And I think these types can be applied to any codebase, any language, any technology or open source project. Whether I’m writing HTML or CSS or building a React component, thinking...
What does “revert” do in CSS?
28.1.2020
Miriam Suzanne has a Mozilla Developer video on the subject. The revert value is fairly new, supported in Firefox and Safari, but not yet in Chrome-world. We've already got a couple of related keywords that work on any property which are meant to help control inheritance and reset values....
What’s the Difference Between Width/Height in CSS and Width/Height HTML attributes?
24.1.2020
Some HTML elements accept width and height as attributes. Some do not. For example:
<!-- valid, works, is a good idea --<img width="500" height="400" src="..." alt="..."<iframe width="600" height="400" src="..."</iframe<svg width="20" height="20"</svg<!-- not valid...