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How Parallel Plans Start Up – Part 5

SQL Performance

Part 1 initialized execution context zero for the parent task, and part 2 created the query scan tree. Remember these numbers are being recorded against execution context zero — the Branch B parallel tasks do not exist yet. Adds a CXPipeMerge to merge rows from multiple pipes (since this is an order-preserving exchange).

C++ 139
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Front-End Performance Checklist 2021

Smashing Magazine

The data is gathered from the Chrome browser users, so the reports will be Chrome-specific, but they will give you a fairly thorough distribution of performance across a wide range of your visitors. Set up a listing of “safe” packages that can be shared across the entire team. You can create your own on Chrome UX Dashboard.

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Implementing Infinite Scroll And Image Lazy Loading In React

Smashing Magazine

In this article, we’re going to explore some use cases for the Intersection Observer API in the context of a React functional component. Our goal is that at the end of this article, we will have implemented infinite scroll and image lazy loading using a native HTML API. Read article → The Intersection Observer API.

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The Pursuit of Appiness

Alex Russell

If users are aware of security in app stores, it's in the breach, e.g., the semi-occasional article noting how a lousy app got through. The web, meanwhile, extends protection across lands as far as the eye can see. Apple's Add to Home Screen feature puts installed sites into little jails distinct from a user's primary browsing context.