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Building robust APIs with Node.js

Node.js is a popular open-source JavaScript runtime environment that allows developers to build scalable and high-performance web applications. One of the key strengths of Node.js is its ability to build APIs quickly and efficiently. APIs, or Application Programming Interfaces, allow different systems to communicate with each other, enabling data exchange and other operations. Building robust APIs with Node.js requires an understanding of RESTful architecture, which is a widely adopted standard for creating APIs. RESTful APIs provide a standardized way to expose data and functionality over the web using a set of HTTP methods such as GET, POST, PUT, and DELETE. To build a robust Node.js API, developers must choose an appropriate framework and set up a development environment. They should also handle errors and exceptions, implement authentication and authorization, and use middleware to enhance the functionality of the API. Writing test cases, documenting the API using tools such as Swa...
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DevOps automation using Python - Part 1

DevOps automation is the practice of automating the process of building, testing, and deploying software. Python is a popular language for DevOps automation because of its simplicity and versatility. In this article, we will cover the basics of getting started with DevOps automation using Python. Prerequisites Before we begin, make sure you have Python installed on your system. You can download Python from the official website at https://www.python.org/downloads/ . We will also be using some Python packages, so make sure you have the following packages installed: pip : The package installer for Python. virtualenv : A tool that creates isolated Python environments. Setting up a Virtual Environment The first step in getting started with Python DevOps automation is to set up a virtual environment. A virtual environment allows you to create a separate environment for your Python project, which can help avoid conflicts with other packages on your system. To create a virtual environment, ope...
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PrimeNG UI Components For Angular Application

Getting Started With PrimeNG Styling in Angular App  This chapter we are going to check how you can add PrimeNG card component to show available flowers in the stock. Before styling the app, I have added some images of flowers to our assets folder as below. In app.module.ts file you can import PrimeNG Card module as below. import { BrowserModule } from '@angular/platform-browser'; import { NgModule } from '@angular/core'; import { AppRoutingModule } from './app-routing.module'; import { AppComponent } from './app.component'; import { LandingComponent } from './modules/landing/landing.component'; import { HomeComponent } from './modules/home/home.component'; import { CardModule } from 'primeng/card'; ; @NgModule({   declarations: [     AppComponent,     LandingComponent,     HomeComponent   ],   imports: [     BrowserModule,     AppRoutingModule,     CardModule,        ],   provider...
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