A rather geeky/technical weblog, est. 2001, by Bramus
The MediaPipe and Tensorflow.js teams have released facemesh and handpose: The facemesh package infers approximate 3D facial surface geometry from an image or video stream, requiring only a single camera input without the need for a depth sensor. This geometry locates features such as the eyes, nose, and lips within the face, including details such …
Continue reading “Realtime Face and Hand Tracking in the browser with TensorFlow”
Now that Google Fonts has some Variable Fonts in their offering, this primer on Variable Fonts might come in handy: Variable fonts let you add nuance and artistry to your web typography without bogging down your site. Now you can accomplish what used to require several files with a single file and some CSS! The …
Paul Hebert on the Paul Hebert blog: Movement in nature doesn’t happen all at once. Imagine a flock of birds taking off, raindrops splashing on the ground, or trees bending in the wind. The magic of these moments comes from many small movements overlapping and converging. I wanted to bring this natural movement into my …
Continue reading “Staggered Animations with CSS Custom Properties”
react-native-ble-plx – React Native Bluetooth Low Energy (BLE) library
This is React Native Bluetooth Low Energy library using RxBluetoothKit and RxAndroidBle under the hood. scanAndConnect() { this.manager = new BleManager(); // Wait for PoweredOn state this.manager.startDeviceScan(null, null, (error, device) => { if (error) { return; } // Check if it is a device you are looking for based on advertisement data // or other …
Continue reading “react-native-ble-plx – React Native Bluetooth Low Energy (BLE) library”
twitter-text-js
If you ever have to work with Tweets, then twitter-text-js will surely come in handy: A JavaScript utility that provides text processing routines for Tweets. The library provides autolinking and extraction for URLs, usernames, lists, and hashtags. The following snippet for example will autolink the hashtag and the mentioned username: twitter.autoLink(twitter.htmlEscape('#hello < @world >')) Installation …
Continue reading “Extract URLs, usernames, hashtags, etc. from tweets with twitter-text-js“
Good writeup by Katherine Kato of several techniques on how to change the color of a link on hover, animated Let’s create a pure CSS effect that changes the color of a text link on hover… but slide that new color in instead of simply swapping colors. There are four different techniques we can use …
Continue reading “4 Ways to Animate the Color of a Text Link on Hover”
Interesting approach by Clearleft on how they make performance clear to their clients. Instead of showing waterfall charts to their clients, they show them videos: Download the video of your client’s site loading. Then repeat the test with the URL of a competitor. Now take those videos and play them side by side. This is …
if-statementsIn this video, which is a part of the Mailcoach video course, Freek shows us how he refactors a complex if-statement. A technique which I nowadays also like using myself – especially in a React Component’s render method – is to use early returns: instead of nesting if-statements and using else-statements, the function body uses …
Again a very interesting video by Vox, especially in these COVID-19/Corona times: why is it that this new disease emerged from China and not from another country? As of early March 2020, a new coronavirus, called COVID-19, is in more than 70 countries and has killed more than 3,100 people, the vast majority in China. …
script tags
When exactly is a script loaded and when is it executed? How do the async and defer attributes affect it? What about modules? This overview/cheatsheet sums it up nicely: The cheatsheet was extracted from this tweet by Addy Osmani