The useCallback React hook is a useful hook that can help in optimizing the rendering performance of our functional React components. It is used to memoize functions which means it caches the return value of a function given a set of input parameters. The syntax As we can see, the...
As our application scales to multiple users, we need to start thinking about scaling our servers and applications with it. Load balancing is the activity of effectively distributing traffic load across multiple servers. This is how we achieve highly available applications that help us achieve scaling effectively. What is load-balancing?...
Continuing our React hooks series, we will learn about the useRef React hook in this blog post. The useRef React hook is useful in the following two situations: Before we see these advantages of the hook, let us first understand what the hook is and what it does. What is...
JavaScript promises have been a huge catalyst for asynchronous coding in the language. They have vastly improved the performance and experience for web development. One shortcoming of native promises has been that we were not able to cancel an HTTP fetch request once it was initiated. But now there is...
If you have used Redux before, you would be aware of the concept of middlewares. Now that useReducer has become a commonly used react hook, we might want to replicate the idea of middleware for the useReducer hook as well. If you do not know about middlewares, middlewares are functions...
If you have been using react for a while, chances are you have come across the need to extract some logic into a reusable function. And with React hooks coming into the picture, doing this has become a walk in the park. We can write our own custom react hooks...
This is the second post in the Demystifying Programming Interview series, which aims at helping students and professionals who are planning to appear for programming interviews. If you are new to this series, you can check out the first post about the number of islands problem. We will solve the...
Businesses these days are generating and consuming a huge amount of data. This data varies in variety, volume, velocity, and veracity (4Vs of big data). Consequently, this trend has led to organizations’ rapid adoption of different AI and ML tools and techniques. Hence, converting a business problem to a machine...
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