Sometimes you need to do some database operations at once. A simple example: User-A transfers money to User-B. Updating just one balance at the time creates a risk of data desynchronization. What if the first DB operation goes well but updating the second user’s data fails? Sounds like a hard to catch vulnerability.
Nowadays, with an ever-growing number of web services, we tend to overload Web apps with external resources. As a result, it decreases page load speed and affects SEO score. There is a pretty easy solution for that.
In some cases, like for testing purposes, you might want to use an npm package stored on a local machine. Here is how you can do that with one simple command.
With pure function React Components you're not allowed to use lifecycle methods like componentDidMount or componentWillUnmount.
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