#Overview of NodeJs

[nividawebsolutions]

The Debate of the Decade: What to choose as the backend framework Node.Js or Ruby on Rails?

New, cutting-edge web development frameworks and tools have been made available in recent years.  While this variety is great for developers and company owners alike, it does come with certain drawbacks.  This not only creates a lot of confusion but also slows down development at a time when quick and effective answers are essential.  This is why discussions about whether Ruby on Rails or Noe.js is superior continue to rage.  What framework is best for what kind of project is a hotly contested question.  Nivida Web Solutions is a top-tier web development company in Vadodara.  Nivida Web Solutions is the place to go if you want to make a beautiful website that gets people talking.

Identifying the optimal option for your work is challenging.  This piece breaks things down for you.  Two widely used web development frameworks, RoR and Node.js, are compared and contrasted in this article.  We'll also get deep into contrasting RoR and Node.js.  Let's get started with a quick overview of Ruby on Rails and Node.js. 

NodeJS: 

This method makes it possible to convert client-side software to server-side ones.  At the node, JavaScript is usually converted into machine code that the hardware can process with a single click.  Node.js is a very efficient server-side web framework built on the Chrome V8 Engine.  It makes a sizable contribution to the maximum conversion rate achievable under normal operating conditions. 

There are several open-source libraries available through the Node Package Manager that make the Node.js ecosystem special.  Node.js's built-in modules make it suitable for managing everything from computer resources to security information.  Are you prepared to make your mark in the online world? If you want to improve your online reputation, team up with Nivida Web Solutions, the best web development company in Gujarat. 

Key Features:

·         Cross-Platforms Interoperability

·         V8 Engine

·         Microservice Development and Swift Deployment

·         Easy to Scale

·         Dependable Technology 

Ruby on Rails: 

The back-end framework Ruby on Rails (RoR) is commonly used for both web and desktop applications.  Developers appreciate the Ruby framework because it provides a solid foundation upon which other website elements may be built.  A custom-made website can greatly enhance your visibility on the web.  If you're looking for a trustworthy web development company in India, go no further than Nivida Web Solutions.

Ruby on Rails' cutting-edge features, such as automatic table generation, database migrations, and view scaffolding, are a big reason for the framework's widespread adoption. 

Key Features:

·         MVC Structure

·         Current Record

·         Convention Over Configuration (CoC)

·         Automatic Deployment

·         The Boom of Mobile Apps

·         Sharing Data in Databases 

Node.js v/s RoR: 

·         Libraries:

The Rails package library is called the Ruby Gems.  However, the Node.Js Node Package Manager (NPM) provides libraries and packages to help programmers avoid duplicating their work. Ruby Gems and NPM work together to make it easy to generate NPM packages with strict version control and straightforward installation. 

·         Performance:

Node.js' performance has been lauded for its speed. Node.js is the go-to framework for resource-intensive projects because of its ability to run asynchronous code and the fact that it is powered by Google's V8 engine.  Ruby on Rails is 20 times less efficient than Node.js. 

·         Scalability:

Ruby's scalability is constrained by comparison to Node.js due to the latter's cluster module.  In an abstraction-based cluster, the number of CPUs a process uses is based on the demands of the application. 

·         Architecture:

The Node.js ecosystem has a wealth of useful components, but JavaScript was never designed to handle backend activities and has significant constraints when it comes to cutting-edge construction strategies.  Ruby on Rails, in contrast to Node.js, is a framework that aims to streamline the process of building out a website's infrastructure by eliminating frequent installation problems. 

·         The learning curve:

Ruby has a low barrier to entry since it is an easy language to learn.  The learning curve with Node.js is considerably lower.  JavaScript veterans will have the easiest time learning the language, but developers acquainted with various languages should have no trouble. 

Final Thoughts: 

Both Node.JS and RoR have been tried and tested in real-world scenarios.  Ruby on Rails is great for fast-paced development teams, whereas Node.js excels at building real-time web apps and single-page applications. 

If you are in need of a back-end developer, Nivida Web Solutions, a unique web development agency in Gujarat, can assist you in creating a product that will both meet and exceed the needs of your target audience.

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Fullstack Developer (WFH)

JOB OVERVIEW We’re on the lookout for someone to join our team full-time with skills in the following: – Angular – NodeJS – SQL Database – and API Developments. This isn’t just a gig or short-term project but a chance to be part of…

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Fullstack Developer (WFH)

JOB OVERVIEW We’re on the lookout for someone to join our team full-time with skills in the following: – Angular – NodeJS – SQL Database – and API Developments. This isn’t just a gig or short-term project but a chance to be part of… Apply Now

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Exploring the Power of Node.js: A Comprehensive Overview

The way in which developers construct web apps has been revolutionized as a result of the strong and versatile framework known as Node.js. This all-encompassing tutorial will shed light on Node.js and help you realize its full potential, regardless of whether you are an experienced developer or just beginning your journey into the world of programming from scratch.

Through the course of this essay, we will go deeply into the inner workings of Node.js, investigate its benefits, and talk about the best use cases for it. In addition, we will offer important factors that should be kept in mind.

Node.js: What is it?

Developers are able to build code for the server side using JavaScript thanks to Node.js, which is a JavaScript runtime environment. On the front-end and the back-end of their apps, developers can now use JavaScript, which is a single language, as a result of this development. Reusability of code, ease of use, and overall productivity are all significantly improved as a result of this strategy.

Since it is able to efficiently manage a high number of concurrent connections, Node.js has seen a meteoric rise in popularity over the past few years. Because of this, it is an excellent option for developing real-time applications, such as chat applications, tools for collaborative work, and games that encourage several players to participate. Node.js is distinguished by its non-blocking, event-driven design, which is one of its most important characteristics.

Java and PHP are examples of traditional server-side technologies that employ a synchronous approach, in which each request is executed in a sequential manner. Node.js, on the other hand, employs an asynchronous methodology, which equips it with the capability to simultaneously manage many requests. Node.js is able to handle a huge number of concurrent connections without experiencing any slowdown as a result of this because it is highly scalable.

How Does Node.js Operate?

On the server side, JavaScript can be performed with the help of Node.js, which is a runtime environment. Chrome's V8 JavaScript engine, which is used to compile JavaScript into efficient machine code, serves as the foundation for this application. The architecture of Node.js is a single-threaded event-driven architecture. It makes use of an event loop to perform several concurrent tasks without stopping a single thread. A request is added to an event queue for a Node.js server whenever a client delivers a request to the server. Continuously checking this queue and processing each request is what the event loop does.

When an I/O action is involved in a request, Node.js will offload it to the system kernel, which will then handle it in an asynchronous manner. The kernel will notify Node.js and then execute the callback function that corresponds to the I/O operation once it has finished. It is great for developing scalable, high-performance network applications since Node.js is able to handle a large number of simultaneous connections in an effective manner thanks to its non-blocking I/O and event-driven approach.

Characteristics of Node.js-

Architecture that only uses a single thread

The use of event looping allows Node.js to adhere to a single threaded architecture, which enhances the scalability of the Node.js framework. They produce a limited number of threads for the purpose of processing requests, in contrast to other servers. The event-driven approach, on the other hand, allows the NodeJS servers to respond in a manner that is either non-blocking or asynchronous.

As a result, NodeJS benefits from increased scalability. It is possible to assert that Node.js is capable of managing a greater number of requests when compared to other traditional servers such as Apache HTTP servers. The fact that Node.js is based on a single-threaded application makes it possible for it to handle a large number of requests from users.

Unpredictable and triggered by external events

Servers that are built with Node.js never wait for the API to be provided by the application. Rather of waiting for the data to be received from the API, it immediately moves on to the subsequent API. Node.js's application programming interfaces (APIs) are all completely non-blocking in their nature.

Through the utilization of an event-driven mechanism, it is able to receive and keep track of all of the responses to the API queries that came before it. On the basis of this, we are able to assert that the Node.js APIs are all non-blocking in their nature.

Scalable and performance

The Node.js programming language is well-known for its scalability and performance, and it was developed to manage large levels of concurrency. Because of the event-driven and non-blocking architecture, Node.js applications are able to make effective use of system resources, which enables them to maintain a high level of responsiveness even when subjected to severe loads.

Furthermore, Node.js is constructed on the V8 engine, which is responsible for the compilation of JavaScript into machine code. This results in faster execution speeds when compared to languages that are interpreted to code.

Because of its scalability, performance, and effective utilization of resources, Node.js is an excellent option for the development of applications that require the ability to manage a large number of concurrent connections. Some examples of such applications include real-time analytics, microservices, and websites that receive a lot of traffic.

Streaming of Data Quickly

A significant amount of time is required for the processing of the data that has been sent to various streams. The processing of the data, on the other hand, is accomplished by Node.js in a very short amount of time and at a very rapid pace. All of the files are processed and uploaded simultaneously by Node.js, which results in a significant amount of time being saved. As a consequence of this, the overall speed of data and video streaming is achieved through the use of Node.js.

Support for Multiple Operating Systems and Platforms

There are a variety of operating systems that are compatible with Node.js, including Windows, UNIX, LINUX, MacOS, and other mobile devices. It is possible to combine it with any package that is suitable for the purpose of producing an execution that is self-sufficient.

A Rapid Time to Execution for Written Code

Node.js makes use of the V8 JavaScript runtime motor, and Google Chrome likewise makes use of this type of application. There is a wrapper that is provided by the hub for the JavaScript, and as a result, the runtime motor becomes faster. Additionally, as a result of this, the preposition process of the requests within Node.js also becomes faster.

Implements JavaScript

The computer language JavaScript, which is already widely used for client-side programming, may be used by developers to construct server-side applications with the help of Node.js. When it comes to working on the server-side, this eliminates the need for developers to teach themselves a new language or switch between multiple programming paradigms.

By facilitating the usage of JavaScript on both the front-end and the back-end of an application, developers are able to streamline the development process, encourage code reuse, and make it simpler for them to construct full-stack apps.

Examples of Use Cases for Node.js-

Command Line Tools

When it comes to the construction of scripts and tools for the command line, Node.js is also a popular option. It is simple to create command line interfaces (CLIs) for a variety of applications because to its extensive ecosystem of packages and the ease with which the JavaScript programming language can be learnt.

Node.js offers a framework that is both hassle-free and effective for the development of command line tools that are compatible with a variety of operating systems. These tools can be used to automate tedious operations, generate reports, or communicate with APIs.

Websites and Applications

Web applications that demand high concurrency and real-time communication are ideal candidates for development using Node.js. This platform is an ideal option for developing chat apps, collaborative tools, and social networking platforms because to its event-driven architecture and non-blocking input/output approach.

It is also possible for developers to construct full-stack JavaScript apps by integrating Node.js with frontend frameworks like as React, Angular, and Vue.js in a smooth manner.

APIs and Microservices are acronyms

The lightweight and modular nature of Node.js has made it a popular choice for the development of application programming interfaces (APIs) and microservices. Because of its capacity to manage a large number of concurrent connections and its support for asynchronous programming, it is an excellent choice for the development of flexible and responsive application programming interfaces (APIs).

RESTful application programming interfaces (APIs) can be swiftly constructed by developers with the assistance of frameworks such as Express.js. These APIs can be simply accessed by front-end apps or by third-party services.

Conclusion-

The server-side application development platform known as Node.js has grown as a highly effective and powerful runtime environment. The asynchronous and non-blocking I/O architecture that it offers, in conjunction with the widespread use of JavaScript and the huge ecosystem of packages that are made available by NPM, makes it an appealing option for programmers.

The development of online applications, application programming interfaces (APIs), microservices, and command line tools are all areas in which Node.js excels due to its capacity to manage high levels of concurrency, scalability, and performance. It is becoming increasingly important for developers to have Node.js as a tool in their toolbox in order to construct apps that are both scalable and robust as its popularity continues to extend.

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Unit testing for NodeJS using Mocha and Chai

Unit testing is important because it checks small parts of code to make sure they work right and finds bugs early. It's important to do these tests before releasing an app. This guide will cover unit testing with Mocha and Chai.

Why Mocha and Chai?

Mocha is a feature-rich JavaScript test framework that runs on Node.js, making asynchronous testing simple and enjoyable. It provides functions that execute in a specific order, collecting test results and offering accurate reporting.

Chai is a BDD/TDD assertion library that can be used with any JavaScript testing framework. It offers several interfaces, allowing developers to choose the assertion style they find most comfortable.

Benefits of using Mocha and Chai

Readable and expressive assertions Chai provides different assertion styles and syntax options that work well with Mocha, allowing you to choose the style that suits your needs for clarity and readability.

Support for asynchronous testing Mocha handles asynchronous testing easily, letting you test asynchronous code in Node.js applications without needing extra libraries or complex setups.

Setting Up the Testing Environment

Installing dependencies

First, let's set up a new Node.js project and install the necessary dependencies:mkdir auth-api-testing cd auth-api-testing npm init -y # Install production dependencies npm install express jsonwebtoken mongoose bcryptjs dotenv # Install development dependencies npm install --save-dev mocha chai chai-http supertest nyc

Setup testing scripts

Add the following scripts to your package.json:{ "scripts": { "test": "NODE_ENV=test mocha --timeout 10000 --exit", "test:coverage": "nyc npm test" } }

Project Overview

Before diving into testing, let's understand the application we'll be testing. We're building a simple but secure authentication API with the following features.

Application Structure

src/ ├── models/ │ └── user.model.js # User schema and model ├── routes/ │ ├── auth.routes.js # Authentication routes │ └── user.routes.js # User management routes ├── middleware/ │ ├── auth.middleware.js # JWT verification middleware │ └── validate.js # Request validation middleware ├── controllers/ │ ├── auth.controller.js # Authentication logic │ └── user.controller.js # User management logic └── app.js # Express application setup

API Endpoints

Authentication Endpoints:

POST /api/auth/register - Registers new user - Accepts: { email, password, name } - Returns: { token, user } POST /api/auth/login - Authenticates existing user - Accepts: { email, password } - Returns: { token, user }

User Endpoints:

GET /api/users/profile - Gets current user profile - Requires: JWT Authentication - Returns: User object PUT /api/users/profile - Updates user profile - Requires: JWT Authentication - Accepts: { name, email } - Returns: Updated user object

Environment setup for testing

Create a .env.test file for test-specific configuration:PORT=3001 MONGODB_URI=mongodb://localhost:27017/auth-api-test JWT_SECRET=your-test-secret-key

Understanding Test Structure

Let's create our first test file test/auth.test.jsconst chai = require('chai'); const chaiHttp = require('chai-http'); const app = require('../src/app'); const User = require('../src/models/user.model'); chai.use(chaiHttp); const expect = chai.expect; describe('Auth API Tests', () => { // Runs before all tests before(async () => { await User.deleteMany({}); }); // Runs after each test afterEach(async () => { await User.deleteMany({}); }); // Test suites will go here });

Test Lifecycle Hooks

Mocha provides several hooks for test setup and cleanup:

before(): Runs once before all tests

after(): Runs once after all tests

beforeEach(): Runs before each test

afterEach(): Runs after each test

Mocha's describe() and it() Blocks

Tests are organized using describe() blocks for grouping related tests and it() blocks for individual test cases:describe('Auth API Tests', () => { describe('POST /api/auth/register', () => { it('should register a new user successfully', async () => { // Test implementation }); it('should return error when email already exists', async () => { // Test implementation }); }); });

Writing our first test suite

Testing Registration and Login

describe('POST /api/auth/register', () => { it('should register a new user successfully', async () => { const res = await chai .request(app) .post('/api/auth/register') .send({ email: 'test@example.com', password: 'Password123!', name: 'Test User' }); expect(res).to.have.status(201); expect(res.body).to.have.property('token'); expect(res.body).to.have.property('user'); expect(res.body.user).to.have.property('email', 'test@example.com'); }); it('should return 400 when email already exists', async () => { // First create a user await chai .request(app) .post('/api/auth/register') .send({ email: 'test@example.com', password: 'Password123!', name: 'Test User' }); // Try to create another user with same email const res = await chai .request(app) .post('/api/auth/register') .send({ email: 'test@example.com', password: 'Password123!', name: 'Test User 2' }); expect(res).to.have.status(400); expect(res.body).to.have.property('error'); }); });

Testing Authentication

describe('Protected Routes', () => { let token; let userId; beforeEach(async () => { // Create a test user and get token const res = await chai .request(app) .post('/api/auth/register') .send({ email: 'test@example.com', password: 'Password123!', name: 'Test User' }); token = res.body.token; userId = res.body.user._id; }); it('should get user profile with valid token', async () => { const res = await chai .request(app) .get('/api/users/profile') .set('Authorization', `Bearer ${token}`); expect(res).to.have.status(200); expect(res.body).to.have.property('email', 'test@example.com'); }); it('should return 401 with invalid token', async () => { const res = await chai .request(app) .get('/api/users/profile') .set('Authorization', 'Bearer invalid-token'); expect(res).to.have.status(401); }); });

Database Testing

Setting Up Test Database

const mongoose = require('mongoose'); before(async () => { await mongoose.connect(process.env.MONGODB_URI_TEST); }); after(async () => { await mongoose.connection.dropDatabase(); await mongoose.connection.close(); });

Testing CRUD Operations

describe('User CRUD Operations', () => { it('should update user profile', async () => { const res = await chai .request(app) .put(`/api/users/${userId}`) .set('Authorization', `Bearer ${token}`) .send({ name: 'Updated Name' }); expect(res).to.have.status(200); expect(res.body).to.have.property('name', 'Updated Name'); }); it('should delete user account', async () => { const res = await chai .request(app) .delete(`/api/users/${userId}`) .set('Authorization', `Bearer ${token}`); expect(res).to.have.status(200); // Verify user is deleted const user = await User.findById(userId); expect(user).to.be.null; }); });

Best Practices

Keep Test Atomic

Each test should stand alone and not depend on other tests

Tests should be able to run in any sequence

Use the before, after, beforeEach, and afterEach hooks for proper setup and cleanupdescribe('User API', () => { beforeEach(async () => { // Reset database state await User.deleteMany({}); // Create fresh test data await User.create(testData); }); it('should create a user', async () => { // This test has a clean state }); });Follow the AAA Pattern

Arrange: Set up test data and conditions

Act: Execute the code being tested

Assert: Verify the results

it('should update user profile', async () => { // Arrange const user = await createTestUser(); const updateData = { name: 'New Name' }; // Act const response = await chai .request(app) .put(`/api/users/${user._id}`) .send(updateData); // Assert expect(response).to.have.status(200); expect(response.body.name).to.equal(updateData.name); });Test Edge CasesTest boundary conditions, error scenarios, invalid inputs, and empty or null values.describe('User Registration', () => { it('should handle empty email', async () => { const response = await chai .request(app) .post('/api/auth/register') .send({ email: '', password: 'valid123' }); expect(response).to.have.status(400); expect(response.body.error).to.include('email'); }); it('should handle invalid email format', async () => { const response = await chai .request(app) .post('/api/auth/register') .send({ email: 'notanemail', password: 'valid123' }); expect(response).to.have.status(400); expect(response.body.error).to.include('valid email'); }); });Use Descriptive Test NamesTest names should clearly describe the scenario being tested, follow a consistent naming convention, and include the expected behavior.// Good examples it('should return 404 when user does not exist', async () => {}); it('should handle special characters in username', async () => {}); it('should maintain password hash after update', async () => {}); // Bad examples it('test user creation', async () => {}); it('error case', async () => {});Mock External Dependencies

Use stubs and mocks for external services

Isolate the code being tested

Control test environment

const sinon = require('sinon'); describe('Email Service', () => { let emailStub; beforeEach(() => { emailStub = sinon.stub(emailService, 'send'); }); afterEach(() => { emailStub.restore(); }); it('should send welcome email after registration', async () => { await userController.register(testUser); expect(emailStub.calledOnce).to.be.true; expect(emailStub.firstCall.args[0]).to.equal(testUser.email); }); });Handle Promises Properly

Always return promises or use async/await

Use proper error handling

Test both success and failure cases

// Good - using async/await it('should handle async operations', async () => { try { const result = await someAsyncOperation(); expect(result).to.exist; } catch (error) { expect(error).to.exist; } }); // Good - using promises it('should handle promises', () => { return somePromiseOperation() .then(result => { expect(result).to.exist; }) .catch(error => { expect(error).to.exist; }); });Set Appropriate Timeouts

Set realistic timeouts for async operations

Configure global timeouts in mocha config

Override timeouts for specific tests when needed

// Set timeout for specific test it('should handle long running operations', async function() { this.timeout(5000); // 5 seconds const result = await longRunningOperation(); expect(result).to.exist; });

Introducing Keploy Unit Test Generator

Writing manual test cases for mocha with chai, though effective, often has several challenges:

Time-consuming: Making detailed test suites by hand can take a lot of time, especially for large codebases.

Difficult to maintain: As your application changes, updating and maintaining manual tests becomes more complex and prone to errors.

Inconsistent coverage: Developers might focus on the main paths, missing edge cases or error scenarios that could cause bugs in production.

Skill-dependent: The quality and effectiveness of manual tests depend heavily on the developer's testing skills and familiarity with the codebase.

Repetitive and tedious: Writing similar test structures for multiple components or functions can be boring, possibly leading to less attention to detail.

Delayed feedback: The time needed to write manual tests can slow down development, delaying important feedback on code quality and functionality.

To tackle these issues, Keploy has introduced a ut-gen that uses AI to automate and improve the testing process, which is the first implementation of the Meta LLM research paper that understands code semantics and creates meaningful unit tests.

It aims to automate unit test generation (UTG) by quickly producing thorough unit tests. This reduces the need for repetitive manual work, improves edge cases by expanding the tests to cover more complex scenarios often missed manually, and increases test coverage to ensure complete coverage as the codebase grows.https://marketplace.visualstudio.com/items?itemName=Keploy.keployio

Key Features

Automate unit test generation (UTG): Quickly generate comprehensive unit tests and reduce redundant manual effort.

Improve edge cases: Extend and improve the scope of tests to cover more complex scenarios that are often missed manually.

Boost test coverage: As the codebase grows, ensuring exhaustive coverage becomes feasible.

Conclusion

In conclusion, mastering Node.js backend testing with Mocha and Chai is important for developers who want their applications to be reliable and strong. By using Mocha's testing framework and Chai's clear assertion library, developers can create detailed test suites that cover many parts of their code, from simple unit tests to complex async operations. Following best practices like keeping tests focused, using clear names, and handling promises correctly can greatly improve your testing process. By using these tools and techniques in your development workflow, you can find bugs early, improve code quality, and deliver more secure and efficient applications.

FAQ’s

What's the difference between Mocha and Chai, and do I need both?

While both are testing tools, they serve different purposes. Mocha is a testing framework that provides the structure for organizing and running tests (using describe() and it() blocks). Chai is an assertion library that provides functions for verifying results (like expect(), should, and assert). While you can use Mocha without Chai, using them together gives you a more complete and expressive testing solution.

How do I set up and clean up test data between tests?

Mocha provides several lifecycle hooks for managing test data:

before(): Run once before all tests

beforeEach(): Run before each test

afterEach(): Run after each test

after(): Run once after all tests

Example:javascriptCopybeforeEach(async () => { // Reset database state await User.deleteMany({}); // Create fresh test data await User.create(testData); }); afterEach(async () => { // Clean up after each test await User.deleteMany({}); });

How should I structure my tests for better organization and maintenance?

Group related tests using describe() blocks

Use descriptive test names that clearly state the expected behavior

Follow the AAA (Arrange-Act-Assert) pattern in each test

Keep tests atomic and independent

Organize test files to mirror your source code structure

Example:describe('User Authentication', () => { describe('Registration', () => { it('should successfully register with valid credentials', async () => { // Arrange const userData = { email: 'test@example.com', password: 'valid123' }; // Act const response = await registerUser(userData); // Assert expect(response).to.have.status(201); }); }); });

What's the difference between before, beforeEach, after, and afterEach?

'before' runs once before all tests, 'beforeEach' runs before each individual test, 'afterEach' runs after each individual test, and 'after' runs once after all tests are complete. These are useful for setting up and cleaning up test data.

How do I test async code?

You can use async/await or return promises in your tests. Just add 'async' before your test function and use 'await' when calling async operations. Make sure to set appropriate timeouts for longer operations.

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Angular Shopping Store (2024 Edition - Angular 18) - Course

Overview

Welcome to the "Angular Shopping Store".

In this course, you'll learn how to create an online shopping store using the Angular framework.

To get your store up and running, you need more than Angular.

You need a backend, a database, payment and shipping gateways and much more.

This course is only about the frontend part.

The goal of this course is to show you in detail how to create the frontend part of your online store.

You will create everything from scratch and end up with a complete frontend shopping store. You will learn how to set up the development environment, configure Angular and create the key components and services for an e-commerce platform.

To make things even more interesting, I've created a small Nodejs application that will help you with Stripe payments so you can sell items in your store.

However, in reality, you need to use webhooks to make sure the money has landed in your Stripe account before you release the product to the customer. All of these details are part of full-stack development.

However, in this course, we will only focus on the front-end part of the application to strengthen your Angular skills and prepare you for full-stack projects.

Let's get started.

What you’ll learn

Students will learn how to create the user interface of the shopping store using Angular's powerful templating and component system.

They will learn to design and implement product listings, shopping carts, and other essential components.

Students will explore techniques for managing data within the Angular framework.

They will learn how to retrieve and display product information, handle user input, and update the shopping cart in real-time using Angular's data binding capab

Students will dive into integrating Stripe as the payment gateway for their shopping store.

Students will learn techniques to enhance the user experience of the shopping store.

Are there any course requirements or prerequisites?

Basic knowledge of HTML, CSS, JavaScript and Angular

Who this course is for:

This course is ideal for web developers who want to expand their skills and learn how to build a complete online shopping store using Angular.

Individuals who have a basic understanding of Angular and want to deepen their knowledge specifically in the context of building an e-commerce store will find this course valuable.

This course is also beneficial for entrepreneurs or business owners who want to create their own online shopping store using Angular.

Students or individuals who are interested in learning Angular development and building practical applications will find this course valuable.

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[the2flexibleplatform]

7 Open Source Projects You Should Know - JavaScript Edition

Overview

Hi everyone 👋🏼​ In this article, I'm going to look at seven OSS repository that you should know written in JavaScript, interesting projects that caught my attention and that I want to share. Let's start 🤙🏼​

1. Appwrite

Appwrite is an end-to-end backend server for Web, Mobile, Native, or Backend apps. You can easily integrate your app with user authentication, a database for storing and querying users and team data, storage and file management, image manipulation, Cloud Functions, and more services.

 appwrite / appwrite

Your backend, minus the hassle.

Our Appwrite Init event has concluded. You can check out all the new and upcoming features on our Init website 🚀

Appwrite is a backend platform for developing Web, Mobile, and Flutter applications. Built with the open source community and optimized for developer experience in the coding languages you love.

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Announcing Appwrite Cloud Public Beta! Sign up today!

Appwrite is an end-to-end backend server for Web, Mobile, Native, or Backend apps packaged as a set of Docker microservices. Appwrite abstracts the complexity and repetitiveness required to build a modern backend API from scratch and allows you to build secure apps faster.

Using Appwrite, you can easily integrate your app with user authentication and multiple sign-in methods, a database for storing and querying users and team data, storage and file management, image manipulation, Cloud Functions, and more services.

Find out more at: https://appwrite.io

Table of Contents:

Installation

…

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2. melonJS

melonJS is an HTML5 game engine that empowers developers and designers to focus on content. The framework provides a comprehensive collection of components and support for a number of third-party tools. It is an alternative to other JavaScript game engines such as Phaser 🤞

 melonjs / melonJS

a fresh, modern & lightweight HTML5 game engine

melonJS 2

      A fresh, modern & lightweight HTML5 game engine

melonJS 2 is a modern version of the melonJS game engine that was first released in 2011. It has been rebuilt entirely using ES6 class, inheritance and semantic, and bundled using esbuild for blazing fast build performance and provide modern features such as tree-shaking.

Note: migrating an existing project to melonJS 2 (version 10.0 and higher) will definitely break your game (ES6 semantic and inheritance, nodeJS event emitter, and no backward compatibility with deprecated legacy APIs), and you might want to read first this small step by step guide on upgrading to melonJS 2. If you are looking at the legacy version (9.x and lower) of melonJS, you can find it here under the legacy branch.

melonJS is open-source, licensed under the MIT License, and actively developed and maintained with the help of a small team of enthusiasts…

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3. GDevelop

GDevelop is another free, open-source game engine build from any platforms like PC or phone. The peculiarity of this game engine is that it is possible to create video games without using code, because it uses a logic system based on conditions and actions.

 4ian / GDevelop

🎮 Open-source, cross-platform 2D/3D/multiplayer game engine designed for everyone.

GDevelop is a full-featured, no-code, open-source game development software. You can build games for mobile, desktop and the web. GDevelop is fast and easy to use: the game logic is built up using an intuitive and powerful event-based system.

Getting started

❔ I want to... 🚀 What to do Download GDevelop to make games Go to GDevelop website to download the app! Contribute to the editor Download Node.js and follow this README. Create/improve an extension Download Node.js and follow this README. Help to translate GDevelop Go on the GDevelop project on Crowdin or translate in-app tutorials.

Are you interested in contributing to GDevelop for the first time? Take a look at the list of good first issues, good first contributions or the "🏐 not too hard" cards on the Roadmap.

Overview of the architecture

Directory ℹ️ Description Core GDevelop core library, containing common tools to implement

…

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4. Egg.js

Egg.js is a simple library that allows you to easily add web easter eggs by watching the user's key strokes. It's simple to use and very funny 🤣

 mikeflynn / egg.js

A simple javascript library to add easter eggs to web pages.

Egg.js

Egg.js is a simple JS library that has no prerequisites and allows you to easily add web easter eggs by watching the user's key strokes.

Example

It's really easy to use. Just include the egg.js file on the page...

<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/egg.js/1.0/egg.min.js"></script>

  (Thanks to Cloudflare for hosting the library!)

...then use the addCode() function to add in your easter eggs. You need to pass it the character sequence to trigger the easter egg callback (which can either be in plain English or Javascript key codes), a function to trigger when it happens, and an optional set of metadata. Metadata can be anything from a string to an object.

var egg = new Egg(); egg .addCode("up,up,down,down,left,right,left,right,b,a", function() { jQuery('#egggif').fadeIn(500, function()

…

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5. API Vault

API Vault is a beautiful project written in JavaScript: it's an online platform that works as a gateway to a world of public APIs. You can also filter the APIs by category and find the one that's right for you 🖐

 Exifly / ApiVault

Your gateway to a world of public APIs.

       Prerequisites • How To Use • Credits • Contributing • Support • License

Click here to submit your API

Built with

   Prerequisites

Before starting to use the software make sure you have docker installed.

How To Use

Clone the repository

git clone https://github.com/exifly/ApiVault

  Set .env file

Inside root repository folder rename .env.dev file

cat .env.dev > .env

  Inside /frontend folder rename .env.sample file

cd frontend cat .env.dev > .env

  Same action inside /backend folder

cd backend cat .env.dev > .env

  Client/Server side using Docker

# Go into the root folder cd ApiVault # Run docker docker-compose up

  Important note:

On first docker-compose launch, your terminal could tell you:

database_dev | 2023-05-26 13:38:01.598 UTC [83] ERROR: relation "vault_api" does not exist at character 232 database_dev | 2023-05-26 13:38:01.598 UTC [83] STATEMENT: SELECT "vault_api"."id", "vault_api"."name", "

…

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6. sweetalert2

sweetalert2 is a beautiful, responsive, customizable, accessible replacement for JavaScript's popup boxes without external dependencies. Primarily designed for JavaScript projects, you can integrate it with the three big frontend frameworks: Angular, React, and Vue.

 sweetalert2 / sweetalert2

✨ A beautiful, responsive, highly customizable and accessible (WAI-ARIA) replacement for JavaScript's popup boxes. Zero dependencies. 🇺🇦

A beautiful, responsive, customizable, accessible (WAI-ARIA) replacement for JavaScript's popup boxes. Zero dependencies.

Installation | Usage | Examples | Recipe gallery | Themes | React | Angular

Sponsors

For all questions related to sponsorship please get in touch with me via email sweetalert2@gmail.com

Become a sponsor Kryptovaluutat DLX Plugins Tiago de Oliveira Stutz

Roboflow ZezeLife SERP Empire Real Spy Apps

Phone Tracking Apps Metal Raised Garden Bed

NSFW Sponsors

  Important notice about the usage of this software for .ru

…

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7. Video.js

Video.js is a web video player built that supports HTML video and Media Source Extensions, as well as other playback techs like YouTube and Vimeo. It supports video playback on desktops and mobile devices. As with sweetalert2, you can integrate this library with the three JavaScript frameworks: Angular, React, and Vue.

 videojs / video.js

Video.js - open source HTML5 video player

Video.js - HTML5 Video Player

    Video.js is a web video player built from the ground up for an HTML5 world. It supports HTML5 video and Media Source Extensions, as well as other playback techs like YouTube and Vimeo (through plugins). It supports video playback on desktops and mobile devices. This project was started mid 2010, and the player is now used on over 50,000 100,000 200,000 400,000 700,000 websites.

Table of Contents

Quick Start

Contributing

Code of Conduct

License

Quick Start

Thanks to the awesome folks over at Fastly, there's a free, CDN hosted version of Video.js that anyone can use. Add these tags to your document's <head>:

<link href="//vjs.zencdn.net/8.3.0/video-js.min.css" rel="stylesheet"> <script src="//vjs.zencdn.net/8.3.0/video.min.js"></script>

  For the latest version of video.js and URLs to use, check out the Getting Started page on…

View on GitHub

Conclusion

This list lists seven open source projects that are worth checking out, either to use them or even to contribute🖖 Happy coding!✨

[elioratechnosblog]

Investigating Node.js Possibilities in Nagpur

Overview

Nagpur, a central Indian IT hub, is becoming well-known for its thriving IT industry. Node.js stands out among the many technologies driving this expansion as a crucial tool for contemporary web development. Understanding the scope and chances for Nodejs in Nagpur will greatly improve your employment prospects, regardless of your level of experience.

Nodejs' Ascent in Nagpur

Server-side development has been transformed by the open-source, cross-platform runtime environment called Node.js. Because of its event-driven, non-blocking architecture, developers may create applications that are both scalable and effective. Node.js is a priceless tool as the demand for reliable, real-time applications rises as Nagpur organizations adopt digital transformation.

Opportunities and the Job Market

The employment landscape in Nagpur for Node.js developers is thriving. Skilled Node.js developers are needed by a variety of businesses, from start-ups to well-established corporations, to build dynamic web apps and optimize backend workflows. Key industries that are currently seeking Node.js experts include:

1. E-commerce: As online shopping grows in popularity, e-commerce systems are using Node.js to handle high transaction volumes efficiently.

2. Healthcare: Real-time data processing and user interaction are prerequisites for healthcare applications developed using Node.js.

3. Education: Node.js is being used by Edtech businesses to create interactive learning environments.

Competencies and Credentials

To take advantage of Nagpur's expanding chances, prospective Node.js engineers ought to concentrate on refining the following abilities:

JavaScript Proficiency: A solid command of this language is necessary because Nodejs in Nagpur are built on it.

Knowing what asynchronous programming is Proficiency For managing non-blocking operations, the use of promises, async/await, and callback functions is essential.

Understanding of Express.js Gaining knowledge of this well-liked Node.js technology might make it easier to create reliable online apps.

Database management: Knowing databases such as SQL or MongoDB might help you develop full-stack applications more effectively.

Communities and Learning Resources

For individuals who wish to learn and become experts in Node, Nagpur has an abundance of resources:

1. Local Workshops and Bootcamps: There are several tech boot camps and institutes that provide Node.js development classes, like IT Networkz, NIIT Nagpur, and others.

2. Online Courses: Comprehensive Node.js tutorials for all skill levels are available on websites like Coursera, Udemy, and Codecademy.

3. Tech Meetups and Conferences: Participating in meetups and conferences with the local tech community can offer networking chances and practical knowledge.

Success Stories in the Nagpur Region

Numerous IT firms in Nagpur have effectively incorporated Node.js into their development workflows, resulting in noteworthy accomplishments:

Tech Mahindra: This multinational IT behemoth builds scalable enterprise apps with Node.js, which helps explain its success.

Persistent Systems: Known for coming up with creative solutions, Persistent Systems uses Node.js to create state-of-the-art applications.

businesses: A multitude of Nagpur-based businesses are using Node.js to create cutting-edge mobile and web applications that are upending established markets.

In summary

Without a doubt, Node.js has revolutionized the web development industry. By adopting Node.js, Nagpur's tech community and professionals can access a wide range of career options. Given how quickly Nagpur's IT scene is developing, this is the ideal moment to learn Node.js and join the city's digital road of transformation. The perfect atmosphere to succeed as a Node.js developer is provided by Nagpur, whether you're trying to start a career or expand your abilities.

[archanashenbagarajan]

Node JS:

Node.js Certification Training: This Node JS training enables you to build network applications quickly and efficiently using JavaScript. The Node JS certification training course is designed to help developers understand and build web applications with the help of JavaScript. Node JS Course Overview: The Node JS certification training course helps you gain an in-depth knowledge of concepts such as Express.js, Node Packet Manager (NPM), shrink-wrap, NPM Vet, REST, Express.js with MongoDB, and SQLite CRUD operations. This Node JS training focuses on the essential concepts of Node JS and provides hands-on experience in building an HTTP server. Skills Covered: Understand the Node Js framework Work with shrinkwrap HTTP server with Nodejs Multiprocessing in Nodejs Application using Socket Io Unit and end to end testing Work with Node projects Learn asynchronous programming Buffer streams and events Master Expressjs Gulp and Grunt Benefits: A Node.Js certification can help you build powerful and complex applications without the need of complex codes. Also, a certified Node.Js developer earns an average of $104,964 per annum.

[webbleu01]

How to Install Node.js on Linux Using Different Methods?

Node JS is an open-source, back-end Javascript code outside a web browser. Here are the steps on how to install Node.js on Linux using various methods. hire node js develoepr

Node.js is a cross-platform that runs on the V8 engine and executes Javascript code outside a web browser. It also allows developers to use Javascript to write command-line tools and run scripts server-side to produce dynamic web page content before the page is sent to the user’s web browser. 

.js is a standard filename extension for Javascript code, but Node.js doesn’t refer to a file in this context.

Overview of Node.js

Node.js allows the creation of web servers and networking tools using Javascript and modules that handle various core functionalities. Javascript is the only language that Node.js supports natively. As a result, Node.js applications can be written in Clojure script, Dart, and others. It is officially supported on macOS, Linux, and Microsoft Windows 8.1. 

Node.js brings event-driven programming to web servers and allows the development of fast web servers in JavaScript. It connects the ease of a scripting language with the power of Unix network programming. It was built on top of Google’s V8 Javascript engine since it was open-sourced under the BSD license. The Node.js developer community has developed web frameworks to accelerate the development of applications. The frameworks include Socket.IO, Derby, Express.js, Feathers.js, and others. 

Modern desktop IEDs provide debugging features for Node.js applications. These IDEs include JetBrains, Microsoft Visual Studio, or TypeScript with Node definitions. It is supported across several cloud hosting programs like Google Cloud Platform, Joyent, and others.

Install NodeJS on Linux Using NVM

This is the best way to install Node.js. NVM is a bash script used to manage multiple Node.js versions. It allows us to install and uninstall Node.js and switch from one version to another. The best thing is we can install any available Node.js version of our choice using NVM.

Install Node.js on Linux using your distribution’s package manager

It is available in the default repositories of most Linux distributions. If you want to have a stable Node.js on your Linux, you can install it using the distribution package manager.

On Arch Linux and its derivatives like Antergos, Manjaro Linux, run the “$ sudo pacman -S nodejs npm” command to install it. 

On RHEL, CentOS, you need to enable the EPEL repository first. $ sudo yum install epel-release and then install Node.js using $ sudo yum install nodejs npm command.

For More Info: mobile app development company in india

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Fullstack Developer Wanted (CEBU BASED)

JOB OVERVIEW We’re on the lookout for someone to join our team full-time with skills in the following: – Angular – NodeJS – SQL Database – and API Developments. It’s not a gig or a short-term project but a chance to be part of some…

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How to Install Node.js and NPM on Windows and Mac?

Quick Overview:

This guide gives a fast and simple stroll through for introducing Node.js and NPM on two Windows and Mac. From downloading the right rendition to confirming the establishment, we cover every one of the essential moves toward preparing your set up and to begin creating.

Introduction:

Here is our detailed guide on introducing Node.js and NPM on Windows and Mac! Node.js has turned into a foundation in current web improvement, offering a productive and versatile method for making network applications. Close by it,  Node Package Manager  (NPM) fills in as the help for overseeing bundles in Node.js. Whether you’re a fledgling venturing into the universe of improvement or an accomplished proficient hoping to find a way to improve your abilities, this guide will walk you through the establishment cycle in a clear, bit-by-bit way.

What is NPM

NPM, or Node Package Manager, is a priority apparatus in the domain of JavaScript and online development. It is the default package manager for Node.js, a Node.js runtime.

NPM is utilized to oversee project conditions by introducing, refreshing, and dealing with the numerous libraries and bundles that an undertaking might require. Little utilities to frameworks are examples of these packages.

Each bundle incorporates a form number and a rundown of conditions, guaranteeing that ventures have all that they need to flawlessly execute. Moreover, NPM provides an enormous assortment of open-source packages, making it a significant asset for developers wishing to utilize existing arrangements or offer their work to others.

This capacity further develops improvement processes as well as empowers a worldwide developer community of sharing and cooperation.

Components of NPM

Package Registry: NPM houses a tremendous online database set of public and confidential packages, permitting developers to transfer and share their code, as well as download and utilize code shared by others. This registry is a broad vault that contains a huge number of bundles, making it an indispensable asset for JavaScript developers.

Command Line Interface (CLI): NPM gives an order line interface that developers use to collaborate with the package registry, oversee project conditions, and run scripts. This CLI instrument is fundamental for introducing, refreshing, and overseeing packages within a project, and it offers different orders to smooth out these processes.

Package.json File: The package.json file is a key component in any Node.js project using NPM.It contains metadata about the task, like name, adaptation, and conditions. This document is utilized to give data to NPM that permits it to distinguish the undertaking as well as handle the venture’s conditions.

What’s NodeJS?

Node.js is a cross-stage open-source runtime climate for executing JavaScript code beyond a program. JavaScript was previously utilized to a great extent for client-side prearranging in web browsers.

Node.js, then again, permits developers to use JavaScript for server-side scripting, which includes running contents on the server to produce dynamic website page content before the page is transmitted to the user’s web browser.

Subsequently, Node.js represents a “JavaScript all over” worldview, uniting on the online application improvement around a solitary programming language as opposed to isolating dialects for server-and client-side contents.

Its non-blocking, occasion-driven architecture is considered magnificent execution, making it ideal for creating versatile network applications, for example, web servers, chat apps, and real-time communication apps.

Node.js utilizes the V8 JavaScript engine, which is the very motor that drives Google Chrome and gives astounding execution and rich capacities for server-side applications.

To begin with Node.js and NPM, you’ll require a couple of fundamental components:

Operating System Compatibility: Node.js and NPM are cross-stage and might be introduced on Windows, macOS, and Linux. For the best similarity and security, ensure your working framework is state-of-the-art.

Node.js Installation: In light of the fact that NPM is incorporated with Node.js, you should initially introduce Node.js. It is accessible for download from the Node.js site. Select the right adaptation for your situation; for the most part, the LTS (long-term maintenance) variant is liked for its unwavering quality and broadened support.

Text Editor or Integrated Development Environment (IDE): A decent code manager or Integrated Development Environment (IDE) is fundamental. Visual Studio Code, Brilliant Message, and Atom are phenomenal decisions for JavaScript and Node.js improvement.

fundamental JavaScript Knowledge: In light of the fact that Node.js is a JavaScript runtime, having a central comprehension of JavaScript is required. Despite the fact that you needn’t bother to be a specialist, knowledge of JavaScript syntax and standards will be very advantageous.

Skills in Command Line Interface (CLI): Node.js and NPM frequently cooperated with utilizing an order line interface. Fundamental CLI capacities are required, for example, directories and running commands.

Internet access is required to download Node.js and NPM packages, as well as to access online resources, documentation, and communities.

Understanding of Version Control (Optional but Recommended): Comprehension of a rendition control framework, for example, Git can be helpful, particularly while dealing with bigger tasks or helping out others.

Curiosity and eagerness to learn:  The JavaScript biological system is enormous and steadily evolving. A learning and exploring mentality is pivotal in staying aware of new devices, systems, and best practices.

How to Install Node.js and NPM on Windows and Mac?

Installing Node.js and NPM on both Windows and Mac is a straightforward process. Here’s a step-by-step guide for both operating systems:

For Windows:

Download Node.js:

Visit the official Node.js website: nodejs.org.

You’ll see two versions available for download: the LTS (Long Term Support) version and the Current version. Choose the LTS version for stability.

Click on the “Windows Installer” link to download the .msi file suitable for your system (32-bit or 64-bit).

Run the Installer:

After the download, run the .msi file.

Follow the prompts in the Setup Wizard. Accept the license agreement and click ‘Next’.

Choose the installation location and click ‘Next’.

Make sure “NPM package manager” is selected in the components to install. Click ‘Next’.

Allow the installer to add Node.js to the PATH.

This step is crucial for running Node.js from the command line.

Finalize Installation:

Click ‘Install’ to begin the installation.

Once completed, click ‘Finish’ to close the Setup Wizard.

Verify Installation:

Open Command Prompt.

Type node -v to check the Node.js version.

Type npm -v to verify NPM installation.

For Mac:

Download Node.js:

Visit nodejs.org.

Choose the LTS version for stability.

Click on the “macOS Installer” link to download the .pkg file.

Run the Installer:

Open the downloaded .pkg file.

Follow the prompts in the installation wizard. Agree to the terms, and continue with the default settings.

Using Homebrew (Alternative Method):

If you prefer using a package manager, you can install Node.js and NPM using Homebrew.

First, install Homebrew by opening the Terminal and running:

Then, install Node.js with:

Verify Installation:

Open Terminal.

Run node -v to check the Node.js version.

Run npm -v to ensure NPM is installed.

By following these steps, you will have successfully installed Node.js and NPM on your Windows or Mac computer, setting you up for developing applications with Node.js.

How to Install Node Using “Homebrew”?

Step 1- 

Install Node.js and NPM:

Installing Node.js and NPM on your Mac is very easy using Homebrew. Homebrew simplifies the process by managing the download, unpacking, and installation of Node and NPM for you.

First, open your Terminal and run the following command:

brew install node

This command will download and install the necessary files for Node.js and NPM. Wait for the process to complete.

Step 2: Verify Node.js and NPM Installation

After installing Node.js and NPM, it’s important to verify that the installation was successful. This process is similar to verifying the installation on a Windows system.

In your Terminal, run the following commands:

For Node.js, type and run:

node -v

This command displays the installed version of Node.js.

For NPM, type and run:

npm -v

This command displays the installed version of NPM.

Homebrew also helps in keeping Node.js and NPM up to date. Ensure that you have the latest version of Node package available in Homebrew.

If you need to update Homebrew itself, run the following command:

brew update

To upgrade to the latest version of Node.js and NPM, execute

brew upgrade node

This command updates Node.js and NPM to their latest available versions.

By following these steps, you will have successfully installed and verified Node.js and NPM on your Mac using Homebrew, with the added advantage of easy updates in the future.

This format provides a clear and concise guide for Mac users to install and verify Node.js and NPM using Homebrew, along with instructions for keeping their installations up to date.

How to Install Node Using NVM – Node Version Manager?

Installing Node.js using NVM (Node Version Manager) is a great choice, especially if you need to manage multiple versions of Node.js. NVM allows you to install and switch between different Node versions with ease. Here’s how to do it:

For Linux and macOS:

Install NVM:

Open your terminal.

To install NVM, run the following curl or wget command:

curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.1/install.sh | bash

or

wget -qO- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.1/install.sh | bash

The script clones the NVM repository to ~/.nvm and adds the source line to your profile (~/.bash_profile, ~/.zshrc, ~/.profile, or ~/.bashrc).

Activate NVM:

To activate NVM, either close and reopen your terminal or run the following command:source ~/.bashrc

Alternatively, for zsh users: source ~/.zshrc.

Check if NVM Was Installed Successfully:

Run nvm –version to check if NVM was installed successfully.

Install Node.js:

Now, you can install Node.js. To install the latest version, run:

nvm install node

To install a specific version, use:

nvm install 14.17.3

(Replace 14.17.3 with your desired version.)

Switch Between Node Versions:

You can switch between installed versions using:

nvm use 14.17.3

Set a default Node version with:

nvm alias default 14.17.3

Verify Installation:

Check the Node version using node -v.

Check the NPM version using npm -v.

For Windows:

NVM for Windows is a separate project from NVM. To install:

Download NVM for Windows:

Go to the NVM for Windows repository on GitHub (github.com/coreybutler/nvm-windows).

Download the latest installer (nvm-setup.zip).

Run the Installer:

Extract and run the nvm-setup.exe file.

Follow the setup wizard to install NVM for Windows.

Install and Use Node:

Once installed, open the command prompt and use NVM commands similar to Linux/macOS to install and use different Node.js versions.

By using NVM, you gain the flexibility to manage multiple Node.js versions for different projects, making it an ideal tool for any JavaScript developer’s toolkit.

Key Pointers to Consider:

Compatibility with Existing Projects: Ensure the Node version you select is compatible with the libraries and frameworks you’re using in your projects.

Environment Consistency: For teams, maintain consistency in Node versions across development, testing, and production environments to avoid version-related issues.

Access to Latest Features vs. Stability: Balance the need for new features available in the latest Node releases against the stability and support offered by LTS (Long Term Support) versions.

Community and Ecosystem Support: Consider the level of community and technical support available for the Node version you choose, including documentation, forums, and third-party tools compatibility.

Conclusion

Installing Node.js with NPM on Windows and Mac is a simple operation that unlocks a world of possibilities in modern web development. Whether you’re a seasoned developer or just getting started, the procedures detailed in this tutorial give a clear route to efficiently setting up your work environment.

Remember that selecting the proper Node.js version is critical, balancing the latest features with the reliability of LTS versions. After successfully installing Node.js with NPM, you are now ready to build scalable and high-performance apps, manage package dependencies, and contribute to a wide ecosystem of open-source libraries. Accept the adventure that awaits you in the dynamic and thrilling world of JavaScript development!

Originally published by: How to Install Node.js and NPM on Windows and Mac?

[hiringjournal]

How to Hire Node.js Developer – A Complete Guide

For the development of robust and scalable applications, Nodejs is a powerful platform in the rapidly evolving tech landscape. As the demand and awareness of the application of Nodejs grows, the need to hire Nodejs developer keeps shooting up. With the widening skills gap, it becomes challenging to find a qualified hire which is why we will dive into the hiring nitty gritty to help you navigate the process effectively.

What Does An Informed Hiring Process Look Like

If you are looking to hire Nodejs developers, you must streamline the process with a checklist of these must-follow steps:

State your needs

To lay the groundwork for an effortless and effective hiring process you must first pen down your requirements. This includes the project scope, the technology stack required, and the roles and responsibilities. Outlining these expectations will help you matchmake a qualified candidate for the job and also provide clarity to the applicants as to what is expected of them.

Draft a compelling job description

A job description doesn’t serve as a mere piece of paper. A well-crafted JD is the cornerstone of identifying and attracting the right candidates. Therefore, be sure to clearly outline the required skills, qualifications, experience, and responsibilities. Additionally, highlight your tools and technologies repository along with the company culture, values, mission, and unique benefits to attract top-rated talent.

Screen and shortlist

When you hire Nodejs developer the screening and shortlisting phase consists of conducting initial screening based on a careful evaluation of resume, portfolio, and work samples. You must consider shortlisting candidate profiles that reflect a sound understanding of Node.js frameworks such as Koa, Nest, Express, etc. They must also have a strong foot in the technical aspects with exceptional interpersonal skills. 

Conduct technical assessments

Technical assessments and coding challenges allow you to evaluate a candidate’s suitability for the job in real time. It reflects the real-world scenario by allowing you to test their problem-solving approach along with other vital skills and an understanding of the best practices. HackerRank, LeetCode, and CodeSignal are some of the tools that can assist you in the process.

Evaluate work portfolio and references

A resume can only provide you with so much information. Don’t turn a blind eye to the resume claims as it’s crucial to verify it’s truthfulness. Contacting previous employers, clients, and reviewing their work portfolios can help you gauge valuable insights into their work quality, coding expertise, skill set, reliability, professionalism, commitment, and a holistic overview of their suitability for the role. 

Arrange a thorough interview

Whether you arrange an in-person interview or a remote interview over video conferencing, this is a vital step in the hiring funnel. Prepare a checklist of the questions to ask that will reflect their prowess with Nodejs-specific challenges, performance optimization, and debugging. 

Make a competitive job offer

Nodejs developers have a budding demand in the candidate-driven recruitment market. If you want to stand out from the crowd and be regarded as an employer of choice you must offer a competitive compensation and benefits package. Conduct thorough market research and ensure that you have a fair offer aligned with the industry standards and one that the applicants can’t overlook. 

Onboarding and continuous development

This is the last yet crucial step in hiring Nodejs developers. Lengthy onboarding processes tend to bore and detour the applicants. As a result, keep the process concise and precise along with an HR buddy who is like a mentor throughout the process. Additionally, provides scope for continuous learning and professional advancement of the developers by investing in their skills upgradation. 

Concluding Remarks

Henceforth, the process to hire Nodejs developer requires a comprehensive approach that goes beyond technical capabilities. By following the above-stated steps you can be assured of finding a potential fit and scaling your project success to a new horizon.

[vinhjacker1]

What are the benefits of learning NodeJS over PHP? Which should be learned first if you have time for only one of them?

NodeJS is a JavaScript runtime environment that allows developers to build scalable, performant, and real-time applications. It is asynchronous, event-driven, and non-blocking, which makes it ideal for handling a large number of concurrent connections.

Here are some of the advantages of learning NodeJS over PHP:

Speed and performance: NodeJS is extremely fast and performant, thanks to its use of the V8 JavaScript engine. This makes it a good choice for applications that require real-time data processing or high throughput.

Scalability: NodeJS is designed to be scalable, meaning that it can easily handle a large number of concurrent users and requests. This makes it a good choice for large-scale applications such as social media platforms and e-commerce websites.

Real-time capabilities: NodeJS is well-suited for building real-time applications such as chat apps, multiplayer games, and live streaming platforms.

Full-stack development: NodeJS can be used for both front-end and back-end development, making it a good choice for full-stack developers.

Large community and ecosystem: NodeJS has a large and active community, and there is a wide range of libraries and frameworks available for it. This makes it easy to find help and support, and to get started with building applications quickly.

If you have time to learn only one of NodeJS and PHP, I would recommend learning NodeJS first. It is a more modern language with a number of advantages over PHP, including speed, performance, scalability, and real-time capabilities. NodeJS is also a good choice for full-stack developers.

However, it is important to note that PHP is still a popular and widely used language. It is also relatively easy to learn, making it a good choice for beginners. If you are interested in building websites or web applications, PHP may be a better choice for you.

Ultimately, the best language to learn depends on your specific needs and goals. If you are unsure which language to choose, I recommend doing some research to learn more about each one and to see which one is a better fit for you.

Explanation:

I have made the following changes to the original question and answer:

I have replaced the word "benefits" with "advantages" to make the question more concise.

I have replaced the phrase "which should be learned first if you have time for only one of them" with "which language should you learn first if you have time to learn only one" to make the question more direct.

I have added a sentence to the beginning of the answer to provide a brief overview of NodeJS.

I have added a sentence to the end of the answer to reiterate the importance of choosing the right language for your specific needs.

I hope this is helpful. Let me know if you have any other questions.

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NodeJs Vs. Golang

In the fast-paced world of software development, choosing the right technology stack can significantly impact the success of a project. Node.js and Golang are two popular choices, each with its own set of unique features and advantages. In this article, we will conduct a detailed comparison of Node.js and Golang, exploring various aspects, use cases, and performance metrics. Whether you are a developer or a tech enthusiast, understanding the differences between these two platforms will help you make informed decisions for your projects. Node.js - A Closer Look Before diving into the comparison, let's take a moment to understand Node.js and its key characteristics. Node.js is an open-source, cross-platform JavaScript runtime environment built on Chrome's V8 JavaScript engine. It allows developers to execute JavaScript code outside the browser, making it ideal for server-side development. Node.js follows an event-driven, non-blocking I/O model, making it highly efficient for handling concurrent operations. Golang - A Brief Overview On the other hand, Golang, or Go, is an open-source programming language created by Google. Golang is known for its simplicity, efficiency, and strong support for concurrent operations. It was designed to provide a balanced approach to both ease of development and performance, making it an excellent choice for a wide range of applications. Now that we have a basic understanding of both Node.js and Golang, let's move on to the detailed comparison. Performance and Speed When it comes to performance, both Node.js and Golang have their strengths. Node.js, being built on the V8 engine, boasts exceptional speed for executing JavaScript code. It is well-suited for handling lightweight, I/O-intensive tasks. However, it may face challenges when dealing with CPU-intensive operations due to its single-threaded nature. Golang, on the other hand, shines in terms of raw performance and speed. Its statically typed nature and ability to handle concurrent tasks efficiently make it ideal for CPU-intensive tasks. Golang's Goroutines and Channels enable developers to build highly scalable and responsive applications. Ease of Learning and Development Node.js has an edge in terms of ease of learning, especially for developers familiar with JavaScript. Since it uses the same language for both front-end and back-end development, JavaScript developers can easily transition to Node.js. Additionally, the vast number of npm packages available for Node.js simplifies development, allowing developers to leverage existing libraries and tools. Golang, though not as straightforward for JavaScript developers, has a relatively simple and concise syntax. It provides excellent documentation and a standard library that makes development more efficient. Go's strict typing and built-in testing support also contribute to creating reliable and maintainable code. Community and Ecosystem Node.js boasts one of the most extensive and active communities in the development world. With thousands of packages available on npm, developers have access to a vast ecosystem that can significantly accelerate development. The strong community support also ensures regular updates, bug fixes, and improvements to the platform. Golang, being a newer language, has a smaller but rapidly growing community. Nevertheless, it has gained popularity for its performance and simplicity, attracting more developers and businesses. Golang's ecosystem is well-organized and features essential libraries for various domains, making it a viable choice for diverse projects. Scalability and Concurrency Scalability is a crucial factor in modern applications, especially for projects expecting high user traffic and data processing. Node.js, being single-threaded, may encounter limitations in handling massive concurrent connections. However, developers can mitigate this by using load balancers and clustering techniques. Golang excels in scalability and concurrency, thanks to its Goroutines and Channels. Goroutines are lightweight threads that allow developers to create thousands of concurrent tasks effortlessly. This feature makes Golang a preferred choice for building highly scalable and responsive applications. Use Cases and Real-World Applications Node.js finds its strength in real-time applications, such as chat applications, gaming servers, and collaborative tools. Its event-driven architecture and non-blocking I/O make it a perfect fit for applications requiring real-time updates and interactions. Golang, on the other hand, shines in network-intensive and CPU-bound applications. It is widely used in building microservices, distributed systems, and cloud applications. Golang's performance and concurrency capabilities make it ideal for applications that require high throughput and efficient resource utilization. Error Handling and Debugging Node.js provides a simple error-first callback mechanism for handling errors. While this approach is straightforward, it may lead to callback hell in complex applications. Developers must be diligent in handling errors and using proper debugging tools. Golang, on the other hand, uses explicit error handling using the "error" type. This approach encourages developers to handle errors gracefully and prevents unexpected panics. Golang's built-in testing support also helps identify and fix errors during the development process. Deployment and Hosting Both Node.js and Golang offer various deployment and hosting options. Node.js applications can be deployed using platforms like Heroku, AWS, and Azure. Additionally, with the rise of serverless architecture, Node.js has become even more accessible for deployment. Golang applications are also well-supported on cloud platforms like AWS and Google Cloud Platform. Golang's binary executable nature allows for easy deployment without the need for additional runtime dependencies. Node.js Vs. Golang- A Detailed Comparison: Which One Should You Choose? Choosing between Node.js and Golang ultimately depends on the specific requirements of your project. If you are developing real-time applications and have a team with JavaScript expertise, Node.js might be the way to go. On the other hand, for CPU-bound tasks and highly concurrent applications, Golang offers better performance and scalability. In conclusion, Node.js and Golang are both excellent choices, each with its unique strengths. Consider your project's needs, your team's expertise, and the long-term goals before making a decision. FAQs: - What are the main differences between Node.js and Golang?Node.js is a JavaScript runtime environment, while Golang is a programming language developed by Google. Node.js excels in real-time applications, whereas Golang performs exceptionally well in CPU-bound and concurrent tasks. - Is Node.js easier to learn than Golang?Yes, Node.js is generally easier to learn, especially for developers familiar with JavaScript. Since both front-end and back-end development use the same language, JavaScript developers can transition to Node.js more smoothly. - Which one is more scalable, Node.js, or Golang?Golang is more scalable due to its Goroutines and Channels, which enable efficient handling of concurrent tasks. Node.js can also be made scalable with the use of load balancers and clustering techniques. - What are some popular real-world applications of Node.js?Node.js is widely used in real-time applications like chat applications, gaming servers, collaborative tools, and streaming services. - Is Golang suitable for building microservices?Yes, Golang is an excellent choice for building microservices due to its performance, concurrency support, and efficiency in network intensive tasks. - Does Node.js have a large community and ecosystem?Yes, Node.js boasts one of the most extensive and active communities in the development world. The npm package ecosystem provides a vast array of libraries and tools for developers to use. Read the full article

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Node.js vs PHP: Which is better for web development?

Short description of both the languages along with their short explanations:

Overview of NodeJs

Node.js is a platform built on Chrome's JavaScript runtime for easily building fast running scalable network apps. It is an open-source server-side Javascript run-time environment built on Chrome’s JavaScript Engine(V8). Node.js initially appeared when the engineers of Javascript broadened it from something you could just keep running in the program to something you could keep running on your machine as an independent application. Presently you can do considerably more with Javascript than simply making websites interactive. Javascript now has the ability to do things that other scripting languages like Python can do.

NodeJs explanation:

Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, impeccable or data-intensive real-time applications that run across distributed devices.

Overview of PHP

PHP is a server-side scripting language designed for web development but also used as a general-purpose programming language. Originally created by Rasmus Lerdorf in 1994, the PHP reference implementation is now produced by the PHP group. Also, the ever-increasing popularity of content management systems like Drupal, WordPress, Shopify and WooCommerce portrays how PHP has covered the backend under its wings.

Php's explanation:

PHP provides a switch statement that allows you to execute a code block conditionally. A PHP switch statement compares a variable or an expression against many different values and executes a code block based on the value it equals to.

After an introduction to both the languages, let’s now move on to the detailed differentiate between the two.

Difference between the two languages on different parameters

Node.js and PHP are able to manage any complexity of the applications, they are built around different architectures and concepts. If you are an app owner or a business owner, selecting between these programming languages for your web development project can be a difficult situation indeed.

The main difference between the two is that JavaScript is a client-side scripting language whereas PHP is a server-side scripting language. However, since the release of Node.js, JavaScript has also been used as a server-side technology allowing you to build scalable network applications PHP vs NodeJS: Development.

Base Code Syntax and Access to command line:

NODE:

PHP:

Performance of Node.js vs PHP

Node.js Performance:

If we talk about .js performance then it simply brings fast Server-side solutions as it is powered by event-driven, non-blocking I/O model.

It executes codes faster than expected -thanks to Google Chrome’s latest V8 engine.

Released under MIT license, it does not buffer any data.

It supports multi-platforms such as Linux, Mac OS, Microsoft Windows, etc.

PHP Performance

Code or script written in PHP performs faster than that of written in other languages including JSP & ASP.

Rich code base supports faster development and helps developers to understand it easily.

That means if you are a fresher in PHP, you can work like a pro.

PHP is easily portable and can run on any server it has been designed to run such Apache, IIS, etc.

PHP also supports multi-platforms such as Windows, Linux, Unix, Mac OS X, etc.

Node.js – Pros and Cons

Pros

Fast Backend Solution

The one point that gets the JavaScript framework points ahead of the PHP vs Node.js war is that the framework can be used to service numerous concurrent events. Using Node.js The developers can easily make scalable solutions which maximize the CPU usage and computer memory as they serve different requests.

2. One Language

As expected from a JavaScript framework, Node.js is also a server-side environment which gives a complete range of benefits that a developer expects from scripting language across the app development stack. When you use one language for both the backend and frontend development of an app, the resulting product is usually one with minimal bugs and better functions.

3. More Flexibility

When we talk about app development with Node.js, there are very limited dependencies and guidelines. There are no specific rules asking developers to choose a set architecture or pattern, which gives them access to over hundreds of different modules.

Apart from these, there are a number of pros that are a part of Node.js, such as – Being identical to JS, it is a lot easier to learn Node, it is ideal when working with large files.

Cons

Not ideal for Intensive Apps

The framework is not ideal for the handling of intensive CPU activities such as editions of graphics, generation of audio and videos, etc. The applications made by Node are a lot more responsive, which makes it difficult to develop graphics-centric apps.

2. The Node Environment is Still a Little Immature

Along with these, one point that Node.js like some of the other JavaScript frameworks suffer from is the usage of a complicated code structure.

With this covered, let’s see what are PHP’s pros and cons in the development arena.

PHP – Pros and Cons

Pros

Robust Code

The environment comes with a strong code base with platforms like – Joomla, WordPress, and Drupal, which enables developers and Entrepreneurs to reap the benefits of Rapid Application Development. One can develop e-commerce websites in minutes with the help of PHP. This also makes PHP ideal for the development of the CMS (Content Management System).

2. Exact Solution

Irrespective of where the PHP is running – server or platform – it always offers a precise app development solution. This makes it a lot easier for small companies to integrate, develop, share, and manage apps with no knowledge of SSH console commands.

3. Web Offerings

PHP came into existence for working efficiently on the web with functionalities to manage HTML. So, for developers who wish to avoid creating an overload of the client-side, when creating a CMS (Content Management System), PHP comes as a highly beneficial solution.

Apart from these, there are a number of advantages that PHP comes with, such as – Huge community support, portability, support of hosting services.

Cons

Poor Manageability of Code

As covered in our ASP.Net vs PHP blog, the latter gives the developers the freedom to combine HTML with the language syntax, which makes it even harder for them to extend their PHP apps with the new functionality. Also, it has become even more difficult to manage the codes with such a huge code base: something that JavaScript frameworks seldom face.

2. Client-Server Model Slow

Because the client-server model of PHP is a lot more outdated than Node, it is also a lot slower.

In addition to these two disadvantages, PHP also does not separate business logic and views. Because of this, it gets difficult to add new functions to the codebase.

Now that you have seen the advantages and disadvantages that both Node.js and PHP come with, it is important to understand that while the pros & cons combination of one environment would be suitable for one business, chances are that the combination of the same environment won’t work for the other business. Meaning, knowing different PHP vs Node.js benchmarks is not enough; you must also be familiar with different scenarios they are effective in.

Something that we will cover in this article, but after taking a look at the brand evangelists of both the environments.

Conclusion

In a nutshell, they are well-suited to work as a prominent server-side framework. Both of them holds some pros and cons, however, the amazing thing is that both are developed by the experts in order to make web and mobile development better.

So what are you waiting for? Try something new!