The Ultimate Guide to React Native Optimization

The folks over at Callstack have published a series on React Native Optimization: In this and the following articles, we will show you how to optimize the performance and stability of your apps. Thanks to the practices described in the guide, you will improve the user experience and speed up the time-to-market of your apps. […]

ESNext: Proposals to look forward to (JS VidCon / JavaScript Remote Conf)

The past few days I’ve been attending some virtual conferences. At JS VidCon and JavaScript Remote Conf I also joined as a speaker, to bring forward my ever-evolving talk β€œESNext: Proposals to look forward to” With the yearly ECMAScript releases (ES2015..ES2020) of a lot of things have changed in JavaScript-land, and there’s even more to […]

useWorker() – Use Web Workers with React Hooks

useWorker() is a js library (with typescript support) that allows you to use the Web Worker Web API, through React Hooks. This library allows you to run the expensive function without blocking the user interface, using a simple syntax that makes use of Promise import React from "react"; import { useWorker, WORKER_STATUS } from "@koale/useworker"; […]

Pose Animator – Animate SVG Illustrations using your Camera

This is crazy: Pose Animator takes a 2D vector illustration and animates its containing curves in real-time based on the recognition result from PoseNet and FaceMesh. It borrows the idea of skeleton-based animation from computer graphics and applies it to vector characters. Built on top of PoseNet to track the body’s pose, and the aforementioned […]

PHPUnit: A Security Risk?

The author of PHPUnit was a bit surprised when he received a mail stating that PHPUnit was a security risk and hackers could remotely execute PHP code through a file named eval-stdin.php that ships used to ship with PHPUnit. // eval-stdin.php eval ('?>'. \file_get_contents('php://input')); Even though the eval-stdin.php file itself indeed was vulnerable, it never […]

Cleverly Cropping Images on Twitter using AI

To crop uploaded images, Twitter doesn’t simply cut them off starting from the center. After first having used Face Detection, they – in 2018 already – switched to AI to cleverly crop uploaded images. Previously, we used face detection to focus the view on the most prominent face we could find. While this is not […]