Basically, we manage global state through store, action, reducer in redux. We can define our action and reducer first, dispatch action through synchronous operations, and then processed by the reducer to update the store so that components can access the state from the store. ...
What is Redux? Redux has several important concepts: store, action, and reducer. Redux is used to manage the state of JavaScript apps. It is used to manage the state uniformly, containing the “global” state in a single store, and the state of the entire application will be stored in the store in the form of an object tree. This state is read-only, through pure reducer functions look at those actions and return an immutably updated state, the only way to change the state is to change the state in the store through dispatch actions....
What is the Cloud Firestore Cloud Firestore Database of Google Cloud, provide to mobile, Web, and sever development. Through realtime listeners and offers offline support so we can build responsive apps without network latency or Internet connectivity. step1: create project and application Create a project and add application as needed then register applications. step2: add the Firebase SDK to our project in development. First, we install the latest version of Firebase....
Foreword This article will introduce the value method of DataFrame in Pandas, which is mainly divided into three parts: Basic data selection Methods of DataFrame.loc Methods of DataFrame.iloc ...
Foreword Among the Python libraries, Numpy, Pandas, Matplotlib, Scipy, and scikit-learn are important libraries and modules commonly used for data analysis, data science, and machine learning. ...