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When to useMemo and useCallback
Performance optimizations ALWAYS come with a cost but do NOT always come with a benefit. Let's talk about the costs and benefits of useMemo and useCallback.

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Typing Next.JS components using TypeScript

In this article, we’ll talk about typing Next.JS components. We’ll be using this Next.JS application that connects to Reddit API and displays a list of top posts in a given subreddit. Right now, the main component Posts.tsx doesn’t have any type-safety, so we’re going to fix that.

Note: the project already contains TypeScript configured, so if you don’t know how to do that, please read the official guide here, it’s as easy as installing a few dependencies and dropping in some configuration files.

Now let’s clone the project from GitHub and get started.

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Move fast with confidence
Tools and strategies for growing your state-of-the-art React PWA to a global scale.

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Ending the debate on few anti-patterns in React

Pure render optimized React components can be extremely performant but it requires users to treat their data as immutable for it to work properly. Unfortunately due to nature of Javascript it can be quite challenging sometimes.

The anti-pattern is creating new arrays, objects, functions or any other new identities during render.

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Pre-render routes with react-snap
Not server-side rendering but still want to speed up the performance of your React site? Try pre-rendering!

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How to get started with Gatsby 2 and Redux

Gatsby + Redux is a powerful combination when building static web-apps with dynamic features. With Gatsby 2, it has never been easier to get up and running. Today, I’m going to guide you through the steps needed.

Not a big fan of reading? 🤓 Head over to the Redux starter right away:
or use the Gatsby CLI:

npx gatsby new gatsby-redux-test

What is Gatsby?

Gatsby is one of the most popular static site generators out there. Preconfigured with Webpack, React and GraphQL, it gives you a great head-start when building web-apps. It also comes with a rich eco-system of plugins that makes it easy to connect to a variety of data sources. Read more about Gatsby on their website.

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React video courses
Because I need to pay my bills 😉
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