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China Passes Law Protecting Cryptocurrency Inheritance

30.5.2020
China has passed the country’s long-awaited civil code which expands the scope of inheritance rights to include cryptocurrency, such as bitcoin. Inherited cryptocurrencies will be protected under the new law. Meanwhile, several Chinese courts have recently ruled that bitcoin and ethereum...

Devising the Cloak of Invisibility in JavaScript

25.5.2020
Steganography. The art of hiding something right under your nose. For as long as humans have been alive, we’ve been trying to hide things — whether it’s our last slice of pizza or the location of a buried treasure. Do you remember the cool invisible lemon ink trick, where we’d write the secret...

First Steps into a Possible CSS Masonry Layout

18.5.2020
It’s not at the level of demand as, say, container queries, but being able to make “masonry” layouts in CSS has been a big ask for CSS developers for a long time. Masonry being that kind of layout where unevenly-sized elements are layed out in ragged rows. Sorta like a typical...

Z nebe nad Afrikou padaly kusy kovu. Byly to trosky čínské rakety Long March 5B

16.5.2020
V pondělí doslova spadl z nebe velký kus čínské rakety Long March 5B. Stal se tak jedním z největších člověkem vyrobených předmětů, který z vesmíru nekontrolovaně dopadl na povrch naší planety. Dle původních předpokladů měly trosky stroje skončit v Atlantském oceánu. Nakonec to ale (doslova)

CSS fix for 100vh in mobile WebKit

15.5.2020
A surprisingly common response when asking people about things they’d fix about anything in CSS, is to improve the handling of viewport units. One thing that comes up often is how they relate to scrollbars. For example, if an element is sized to 100vw and stretches edge-to-edge, that’s...

XRP Marches Towards Next Target; Long Term Outlook Seems Bullish

14.5.2020
Admittedly, Ripple is noting a very slow, minimal, and a bit disappointing price growth lately, as compared to Ethereum and Bitcoin. Notably, BTC has again reclaimed the $9200 price range while XRP is struggling to stay above $0.20. Ethereum and Bitcoin, both the topmost crypto coins, have...

Equal Width Columns in CSS Grid are Kinda Weird

14.5.2020
Everything is flexible these days. If you write grid-template-columns: 200px 200px 200px;, sure, you’d have equal-width columns, but that’s a rare day. What you usually mean is three columns of equal fluid width. We’ve got fractional units for that, like grid-template-columns:...

Dealing With Stale Props and States in React’s Functional Components

12.5.2020
There’s one aspect of JavaScript that always has me pulling my hair: closures. I work with React a lot, and the overlap there is that they can sometimes be the cause of stale props and state. We’ll get into exactly what that means, but the trouble is that the data we use to build our UI can...

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