Having trouble with running Jest tests once you upgrade to React 16.4.1? Here’s how to fix it. Note, this is a rather time-sensitive post and will be obsolete once the 2.x version of create-react-app is released. But for now, it can help! Also I show you how to debug Jest tests. That part is still useful.
Today’s podcast features Ken Rimple’s fireside chat with Bill Mensch, a pioneer in microprocessing and chip design. Bill Mensch grew up on a farm near Philadelphia, and didn’t think he’d end up as an engineer. But by studying his areas of interest such as math and science, he eventually ended up at Philco Ford, which … Read More
Brian Bagnall’s books on Commodore Business Machines are a definitive history. Ken Rimple speaks with him about the books, Commodore’s impact and his process.
Ken’s take on ng-conf 2018. Dispatch #1 from the opening day of the conference, where the talks include a keynote on the future of Angular, Schematics and the CLI, Angular Elements, security vulnerabilities, SEO, and the Ivy renderer.
Learn how to enable testing with async/await in Protractor, and how to debug your tests with the new NodeJS debugger.
A lot of people are still using AngularJS. It’s hard to port your entire application to a new platform and even language. This week we had a student who asked a very good question: how do you unit test forms in AngularJS? Well, this article got me started. I wanted to put it in context … Read More
The Redux API provides for monitoring and adjusting the state store using a middleware API. Middleware APIs can intercept requests to execute actions and generate side-effects. Common uses of Redux Middleware include: Persisting Redux state to local storage and restoring it on startup Logging actions and pre/post state for each dispatch Asynchronous processing in action … Read More
There are a few basic strategies for managing state in Redux, and which ones you use depend on the level of language support an other APIs you have at your disposal. Here are four approaches: using a collections API, Object.assign, Immutable.js and the ES spread operators.
The first in a series of posts about Redux, the de-facto state storage engine for React, and how to integrate it with a React app. In this first article we make a case for Redux over passing props for events and data, and show a simple configuration.
I was lucky enough last week to attend PHLAI, a Comcast-sponsored conference on machine learning and artificial intelligence. The dreary weather did not dampen our spirits as practitioners and business stakeholders met to discuss one of the most important trends in our lifetime.