there is a risk of data loss if the cache is down before the data is stored. The application first looks for the entry in the cache and if it's not found, it retrieves it from the database and adds it to the cache, resulting in...
Too Long; Didn't Read React announced a feature of the React ecosystem — Concurrent Mode. This would allow us to stop or delay the execution of components for the time that we need. We start rendering components and each of these components may trigger data fetching in their effects and...
useMemois a hook that allows you to memoize (or cache) a value. It takes a function that computes a value and a dependency array as its arguments. The value computed by the function will be memoized and returned by the hook. This memoized value will only be recomputed when one of the...
React was an in-house project of Facebook, and it was made open to the public in the year 2013. The adoption of ReactJS has seen an upward curve since its advantages have been realized. Various startups and established organizations are now adopting the technology and upgrading their technol...
- ReactJS React.lazy If you are not using React.lazy for code splitting, you might be able to skip the Promise bit from your function. We need our new lazyRetry function to try to import the component and assuming everything goes well, resolve the Promise with the import. const lazyRetr...
If you’re following along with Create React App, just replace the contents of App.js with the above. This is how it looks: Give yourself a minute to understand the code. In the constructor, we’re declaring a name property on our state object, as well as binding a handleNameChange fu...
2.1.2 Add React Native dependencies After creating the local project, we need to add dependencies to it. In fact, React Native officially provides documentation for integrating into existing native applications. According to the official documentation, we need to "create an empty directory for the ...
Google is still requesting old JS files. Well, Google tries to cache a lot to save their computing power. So, CSS and JS files may be cached aggressively. If you can see that you fixed all the JavaScript errors and Google still cannot render your website properly, it may be because Goo...
Using Scrapy cache and concurrency to scrape faster Conclusion Most modern websites use a client-side JavaScript framework such as React, Vue or Angular. Scraping data from a dynamic website without server-side rendering often requires executing JavaScript code. ...
including environment pre-creation, asynchronous update, interface pre-cache, unpacking, on-demand loading, Hermes engine, engine reuse, etc. These methods are very practical in actual business. Of course, the React Native framework is also constantly optimizing and iterating on itself to pursue a...