The exciting future of React

Good talk by Kitze on some of the new features of React. Think Error Boundaries, the new Context API, etc. Additionally he also looks forwards to getDerivedStateFromProps, the upcoming deprecation of componentWillMount / componentWillUpdate / componentWillReceiveProps, and the aforementioned (but no longer available?) call-return feature.

Working with symlinked packages in React Native

For an RN app I’m co-developing we have several repos that work together. One of the repos acts a library for other repos to use. During development, in order to test a few things out, we sometimes need to have the local dev version of the library repo work with one of the other repos …

Introducing Flutter, Google’s new Mobile UI Framework

Recently Google announced Flutter, their mobile UI framework that “helps developers craft high-quality native interfaces for both iOS and Android”. Flutter targets the sweet spot of mobile development: performance and platform integrations of native mobile, with high-velocity development and multi-platform reach of portable UI toolkits. Here’s a simple Hello World app: import ‘package:flutter/material.dart’; void main() …

Unlearning Toxic Behaviors in a Code Review Culture

Sandya Sankarram recently tweeted out this nice list of behaviors to avoid in code reviews: Behaviors to avoid in code reviews: – stating opinion as fact – avalanche of comments – asking devs to fix problems they didn’t cause – judgemental questions – sarcasm@sandyaaaas #AlterConf pic.twitter.com/LX1AeG4JOk — Rachel Thomas (@math_rachel) December 10, 2017 In an …

Trigger macOS notifications from the CLI with node-notifier-cli

$ notify -t “Hello” -m “My Message” -s –open http://github.com $ notify -t “Agent Coulson” –icon https://raw.githubusercontent.com/mikaelbr/node-notifier/master/example/coulson.jpg $ notify -m “My Message” -s Glass $ echo “My Message” | notify -t “Hello” Installation per NPM/Yarn: yarn global add node-notifier-cli TIP: As with many packages you can also run it using the aforementioned npx: npx -p …

Making a Deep Copy of an Object in JavaScript

In JavaScript, when cloning an object via Object.assign({}, obj) or by destructuring it (e.g.{…obj}, only shallow copies are created. Surma has explored some unusual ways – other than JSON.parse(JSON.stringify(obj)); to create an actual deep copy: MessageChannel History API Notification API (told you they were unusual ;)) Deep-copying in JavaScript →

Dribble Inspired Todo Empty State Transition implemented in React Native

Ooh this is nice. Uses a simple Animated.Value which is animated from 0 to 1. Said value is only defined once – in a wrapping component – and is passed on to the various children as a prop. react-native-todo-empty-state-transition →

IoC containers beyond constructor injection

Talk by Hannes Van De Vreken, as given at the recent phpCE conference in Poland: Did you know your IoC container can do a whole lot more than just constructor injection? Besides that it is actually packed with features. Inflectors, resolving callbacks, aliasing, method invocation to name a few. In this talk you will learn …