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Understanding Immutability in JavaScript

30.1.2020
If you haven’t worked with immutability in JavaScript before, you might find it easy to confuse it with assigning a variable to a new value, or reassignment. While it’s possible to reassign variables and values declared using let or var, you'll begin to run into issues when you try that with...

Resizing Values in Steps in CSS

30.1.2020
There actually is a steps() function in CSS, but it's only used for animation. You can't, for example, tell an element it's allowed to grow in height but only in steps of 10px. Maybe someday? I dunno. There would have to be some pretty clear use cases that something like background-repeat: space...

Four Layouts for the Price of One

29.1.2020
Pretty notable when a tweet about a flexbox layouts gets 8K+ likes on Twitter! 4 layouts for the price of 1, thanks flex ???? css` form { display: flex; flex-wrap: wrap; & > input { flex: 1 1 10ch; margin: .5rem; &[type="email"] { flex: 3...

The Darknet Still Loves Bitcoin – and Doesn’t Care About Prices

29.1.2020
Bitcoin (BTC) usage is rising on darknet markets, where it is often used to buy narcotics and finance other illegal activities – although the darknet still accounts for less than 1% of all BTC transactions. Per data from blockchain analytics provider Chainalysis, over USD 600 million worth...

Apollo GraphQL without JavaScript

29.1.2020
It's cool to see progressive enhancement being done even while using the fanciest of the fancy front-end technologies. This is a button in a JSX React component that has a click handler applied directly to it that fires a data mutation Ajax request through Apollo GraphQL. That is about the least...

Use and Reuse Everything in SVG… Even Animations!

28.1.2020
If you are familiar with SVG and CSS animations and started to work with them often, here are some ideas you might want to keep in mind before jumping into the job. This article will be about learning how to build and optimize your code with <use> element, CSS Variables and...

aviationstack

28.1.2020
(This is a sponsored post.) I wonder how many startup ideas have something to do with air travel? 🤔 It's such a big industry with so many pain points its no wonder that it inspires ideas for building new products. Here's the thing about a lot of startup ideas: you need data. Chances...

Simple Image Placeholders with SVG

27.1.2020
A little open-source utility from Tyler Sticka that returns a data URL of an SVG to use as an image placeholder as needed. I like the idea of self-running utilities like that, rather than depending on some third-party service, like placekitten or whatever. Not that I'd advocate for feature...

“Browser Functions”

26.1.2020
Serverless functions are fairly straightforward. Put a bit of back-end language code, like Node, in the cloud and communicate with it via URL. But what if that URL didn't run a back-end language, it ran an actual browser? Richard Young: We can now do full stack development using just Web APIs....

How to Obscure Bitcoin Cash Transaction Data by Leveraging Cashfusion

24.1.2020
Bitcoin Cash developers recently released the alpha software for Cashfusion, a privacy-preserving feature added to the Electron Cash wallet. During the last week, crypto proponents and developers have been testing the protocol regularly in order to find issues and provide the Cashfusion team with...

Bundling JavaScript for Performance: Best Practices

24.1.2020
Performance advice from David Calhoun on how many scripts to load on a page for best performance: [...] some of your vendor dependencies probably change slower than others. react and react-dom probably change the slowest, and their versions are always paired together, so they...

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