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Category Archives: Elsewhere
How to Perform Calendar Calculations in Your Head
In case you want to impress your family over Christmas’/New Year’s Dinner: A so-called calendrical savant (or calendar savant) is someone who despite their intellectual disability (typically autism) can name the day of the week of a given date, or visa versa in a few seconds or even a tenth of a second (Kennedy & …
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Getting Closure on React Hooks
Ace talk by Shawn Wang: The design of React Hooks requires a good understanding of closures in JavaScript. In this talk, we’ll reintroduce closures by building a tiny clone of React! This will serve two purposes – to demonstrate the effective use of closures, and to show how you can build a Hooks clone in …
Running the same Node.js code on Google Cloud Functions, App Engine, and Cloud Run
Subtract
Derek Sivers, on how to improve life, not by adding things but by subtracting things: The least successful people I know run in conflicting directions, are drawn to distractions, say yes to almost everything, and are chained to emotional obstacles. The most successful people I know have a narrow focus, protect themselves against time-wasters, say …
Blocks UI – A JSX-based page builder
A JSX-based page builder for creating beautiful websites without writing code. Blocks comes with built-in components that are carefully designed and implemented with Theme UI. Blocks UI →
react-native-v8 – Opt-in V8 runtime for React Native Android
The aim of this project is to support V8 runtime for React Native. Designed as opt-in package, it should easy to integrate with existing React Native projects. After installing it, you’ll need to adjust your build.gradle files so that it includes the new runtime — a/android/app/build.gradle +++ b/android/app/build.gradle @@ -161,11 +161,18 @@ android { } …
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How to Implement Redux in 24 Lines of JavaScript
90% convention, 10% library In this post Yazeed Bzadough walks you through creating your own Redux implementation. // simplified createStore function const createStore = (yourReducer) => { let listeners = []; let currentState = yourReducer(undefined, {}); return { getState: () => currentState, dispatch: (action) => { currentState = yourReducer(currentState, action); listeners.forEach((listener) => { listener(); }); …
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React Hook Form – Form Validation Hook based on Uncontrolled Components
Now this is an interesting approach, building further upon Uncontrolled Components: The React Hook Form (react-hook-form) library provides a new form validation mechanism which embraces uncontrolled form validation and support controlled components. The core idea is to register HTML input’s ref into the custom hook and therefore subscribe to its input value, validate and evaluate …
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glcheck – A testing framework for WebGL
glcheck is a WebGL-focused testing framework. It runs unit and render tests using puppeteer which allows it to run automated tests and generate coverage reports for both WebGL 1 and 2 applications. glcheck (GitHub) →