PHP, JS, CSS, Python, and Machine Learning Technology
PHP, JS, CSS, Python, and Machine Learning Technology

UseState-replace-componentWillReceiveProps-getDerivedStateFromProps

While useReducer with its reducer is a part of how Redux works, it isn’t Redux. The ...
PHP, JS, CSS, Python, and Machine Learning Technology

UseReducer Hook

useReducer hook accepts two arguments first argument is reducer function and second ...
PHP, JS, CSS, Python, and Machine Learning Technology

UseEffect-running-callback-after-setState-IMPORTANT

The basic flow is like belowconst = useState(false);...setLoading(true); ...
PHP, JS, CSS, Python, and Machine Learning Technology

Replacing componentWillUnmount with useEffect()

Replacing componentWillUnmount with useEffect()componentWillUnmount() { ...
PHP, JS, CSS, Python, and Machine Learning Technology

useEffect-compare-array-in-second-argument-shallow

 Problem - Effect re-run endlessly when using an array as a second argument for useEffect ...
PHP, JS, CSS, Python, and Machine Learning Technology

The problem around dependency array

The problem around dependency array I trying to wrap my head around the new hooks api of ...
PHP, JS, CSS, Python, and Machine Learning Technology

UseEffect Hook as componentDidMount

Mutations, subscriptions, timers, logging, and other side effects are not allowed inside ...
PHP, JS, CSS, Python, and Machine Learning Technology

Second array argument to useEffect()

 Fetching Hacker News hits data - The App component shows a list of items (hits = Hacker ...
PHP, JS, CSS, Python, and Machine Learning Technology

React DOM

Starting with 18.0, React includes a stable implementation of React Hooks for:React ...
PHP, JS, CSS, Python, and Machine Learning Technology

What is Shallow Comparison from Official dox

A> When shallow comparing scalar values (numbers, strings) it compares their ...
PHP, JS, CSS, Python, and Machine Learning Technology

AJAX requests should go in the componentDidMount lifecycle event.

Fiber, the new React reconciliation algorithm, has the ability to start and stop ...
PHP, JS, CSS, Python, and Machine Learning Technology

React lifecycle methods

First of all, from a blog post in late March 2018, it was announced that the React ...
PHP, JS, CSS, Python, and Machine Learning Technology

ComponentDidUpdate

First of all, from a blog post in late March 2018, it was announced that the React ...
PHP, JS, CSS, Python, and Machine Learning Technology

ComponentWillMount

componentWillMount is called before the render method is executed. It is important to ...
PHP, JS, CSS, Python, and Machine Learning Technology

Multiple-sequential-execution- axios-request

JavaScript is single threaded, that means only one statement is executed at a time. As ...
PHP, JS, CSS, Python, and Machine Learning Technology

Code with sequential execution

Transform the following code with sequential execution. I want to fire second request ...
PHP, JS, CSS, Python, and Machine Learning Technology

Async/await And Complements Promises

Async/await is a language structure that complements promises. It allows us to work with ...
PHP, JS, CSS, Python, and Machine Learning Technology

Callback Hell Example

A function passed to then can also return another promise. This ...
PHP, JS, CSS, Python, and Machine Learning Technology

How do you listen for when the status of a promise changes?

A promise is an object that wraps an asynchronous operation and notifies when it’s done. ...
PHP, JS, CSS, Python, and Machine Learning Technology

How-Promise-makes-code-Asynchronous-non-blocking

Key Point - With the .then() method, we can chain our ASYNCHRONOUS calls in a SYNCHRONOUS ...
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