Understanding and Implementing Schemas in Python

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Understanding and Implementing Schemas in Python Introduction In the world of programming, particularly in the context of data management and validation, schemas play a vital role. A schema is essentially a blueprint or a predefined structure that defines the expected format, data types, and constraints for a given data entity. In this blog, we will delve into the concept of schemas in Python, exploring what they are, why they are important, and how you can implement them in your projects. What is a Schema? A schema serves as a contract between different components of a system, ensuring that data is consistent, valid, and well-structured. It defines the rules for how data should be organized, what fields it should contain, and what types of values those fields can hold. In essence, a schema acts as a set of rules that data must adhere to in order to be considered valid. Why Are Schemas Important? Data Validation: Schemas provide a way to validate incoming data. When data is received o
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Environment Setup and Installation for React Js Application

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Environment Setup and Installation for React Js Application

In this post, you will learn about “how to set up an environment for React Application”.

There are many steps involved, in which first and important step is to install Node Js and npm.

            Install Node Js

- Node Js is an open-source, cross-platform, back-end JavaScript runtime environment that runs on the V8 engine.

- After invention of Node Js, we are able to execute JavaScript code outside a web browser.

- NPM will be installed along with Node Js.

- Node Js can be downloaded and installed from official Node Js website:

https://nodejs.org/en/

-       After successful installation of Node Js, Open Command Prompt in order to check its version as shown in below.

Install Create-React-App

-       Second step is to install a tool called Create-React-App using NPM which will be useful for creating react application easily from our system.

-       You can install this at the system level or global level.

-       We will install it globally by using following command.

npm install –g create-react-app

Create a new react project

-       After successful installation of Create-React-App, now we can create our first react application. Let’s create our project or application in D:\TestApp, so we need to point our command prompt to this folder by using the CD command.

create-react-app test-react-project


Create a package.json file

-       Package.json file is very important for creating any module, so to generate package.json file, we have to run following command on path (D:\TestApp\test-react-project) from the command prompt.

npm init

init

                   Run the react application

 -       Run following command locally in our system (D:\TestApp\test-react-project).

npm start

startserver


 -       Now, Launch the browser and visit http://localhost:3000 as shown in below.

recatsetup


Editor IDE:

If you want to build react application on your system, I will recommend following text editor for you.

-       Visual Studio Code

-       Sublime Text

-       WebStorm

-       Atom

Online editor:

If you want to build react application without taking the pain to setup your system then following online code editors are best options for you.

-       https://stackblitz.com/

-       https://codesandbox.io/

-       https://jsfiddle.net/

-       https://codepen.io/


Happy Learning!! Happy Coding!!


 

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