December 2019
Intermediate to advanced
598 pages
12h 21m
English
Content preview from ASP.NET Core 3 and React
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Implementing component state
Components can use what is called state to have the component rerender when a variable in the component changes. This is crucial for implementing interactive components. For example, when filling out a form, if there is a problem with a field value, we can use state to render information about that problem. State can also be used to implement behavior when external things interact with a component, such as a web API. We are going to do this in this section after changing the getUnansweredQuestions function in order to simulate a web API call.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.