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JavaScript Operator Lookup

9.11.2020
Okay, this is extremely neat: Josh Comeau made this great site called Operator Lookup that explains how JavaScript operators work. There are some code examples to explain what they do as well, which is pretty handy. My favorite bit of UI design here are the tags at the bottom of the search...

A Continuous Integration and Deployment Setup with CircleCI and Coveralls

9.11.2020
Continuous Integration (CI) and Continuous Deployment (CD) are crucial development practices, especially for teams. Every project is prone to error, regardless of the size. But when there is a CI/CD process set up with well-written tests, those errors are a lot easier to find and fix. In this...

Websites We Like: Whimsical

3.11.2020
Whimsical is an app that lets you create flowcharts, wireframes, and mind maps but it was only earlier today that I spotted just how great the website is — especially the product pages. Check out this page where they describe how to use the Mind Maps feature where you can use the product right...

Limit Promise Concurrency with pool

3.11.2020
Methods like Promise.all, Promise.allSettled, Promise.race, and the rest are really excellent for managing multiple Promises, allowing for our apps to embrace async and performance. There are times, however, that limiting the number of concurrent operations may be useful, like rate limiting...

GIFS and prefers-reduced-motion

3.11.2020
The <picture> element has a trick it can do where it shows different image formats in different situations. If all you are interested in is formats for the sake of performance, maybe you’d do: <picture<source srcset="img/waterfall.avif" type="image/avif"<source...

How to Automate Project Versioning and Releases with Continuous Deployment

2.11.2020
Having a semantically versioned software will help you easily maintain and communicate changes in your software. Doing this is not easy. Even after manually merging the PR, tagging the commit, and pushing the release, you still have to write release notes. There are a lot of different steps,...

Česká aplikace Wake Me There ohlídá, kam až můžete v noci venčit svého psa

2.11.2020
Kvůli probíhající pandemii onemocnění COVID-19 vešla v platnost celá řada nařízení, jejichž cílem je omezení šíření nákazy mezi lidmi. V některých zemích (např. při jarním lockdownu ve Španělsku a v některých regionech v Rusku) místní vlády zakázaly vzdalování nad určitou vzdálenost od místa

Comparing Static Site Generator Build Times

28.10.2020
There are so many static site generators (SSGs). It’s overwhelming trying to decide where to start. While an abundance of helpful articles may help wade through the (popular) options, they don’t magically make the decision easy. I’ve been on a quest to help make that decision easier. A colleague...

Comparing Various Ways to Hide Things in CSS

27.10.2020
You would think that hiding content with CSS is a straightforward and solved problem, but there are multiple solutions, each one being unique. Developers most commonly use display: none to hide the content on the page. Unfortunately, this way of hiding content isn’t bulletproof because now that...

The Many Facts Pointing to John Nash Being Satoshi Nakamoto

27.10.2020
Six years ago, a number of theories spread across the internet that claimed the famed American economist and mathematician John Forbes Nash Jr. was Satoshi Nakamoto. There’s a bunch of circumstantial evidence that has invoked some research into the possibility that Nash could have been...

Detect Changed Files with git

26.10.2020
There are numerous reasons to want to know which files have been added or modified in a git repository, one of which is your text editor highlighting those files. Another use case is running tasks against only files which are presently changed, like lint or other validation routines. So how can...

A Primer on the Different Types of Browser Storage

21.10.2020
In back-end development, storage is a common part of the job. Application data is stored in databases, files in object storage, transient data in caches… there are seemingly endless possibilities for storing any sort of data. But data storage isn’t limited only to the back end. The front end (the...

xm

21.10.2020
This is a neat little HTML preprocessor from Giuseppe Gurgone. It has very few features, but one of them is HTML includes, which is something I continue to be baffled that HTML doesn’t support natively. There are loads of ways to handle it. I think it’s silly that it’s been...

Smarter Ways to Generate a Deep Nested HTML Structure

21.10.2020
Let’s say we want to have the following HTML structure: <div class='boo'<div class='boo'<div class='boo'<div class='boo'<div class='boo'</div</div</div</div</div That’s real a pain to write manually. And the reason why this post was born was being...

Announcing the 2020 State of CSS Survey

20.10.2020
Last year’s State of CSS Survey yielded interesting results. There’s the quick adoption of features, like calc() and CSS custom properties. There’s also the overwhelming opinion that CSS is fun to write even as we see a growing reliance on CSS-in JS. We also saw some predictable...

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