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Programming Language / JS++

JS++

28 posts

JS++ | Subtype Polymorphism

Last Updated: 30 August 2018

Subtyping describes type relationships, and subtype polymorphism enables operations defined for supertypes to be safely substituted with subtypes. Concretely, imagine the ...read more

JS++ | Static vs. Dynamic Polymorphism

Last Updated: 30 August 2018

Static polymorphism is polymorphism that occurs at compile time, and dynamic polymorphism is polymorphism that occurs at runtime (during application execution).An aspect o...read more

JS++ | Upcasting and Downcasting

Last Updated: 30 August 2018

Now that we understand both subtyping and static versus dynamic polymorphism, we can learn about upcasting and downcasting.Upcasting and downcasting is based on type relat...read more

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JS++ | Virtual Methods

Last Updated: 30 August 2018

As we mentioned in the previous section, if we want runtime polymorphism, using casts can lead to unclean code.By way of example, let's change our main.jspp code so that a...read more

JS++ | The 'final' Modifier

Last Updated: 04 September 2018

In the context of virtual methods discussed in the previous section, the 'final' modifier allows us to form an even more correct specification.When applied to overridden m...read more

JS++ | Static Members and "Application-Global" Data

Last Updated: 04 September 2018

Up until now, all of the fields and methods that we've declared have belonged to class instances. Static members can also be added to a class. A static member is initializ...read more

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JS++ | Abstract Classes and Methods

Last Updated: 04 September 2018

We have explored virtual methods and 'overwrite' (early binding) and 'override' (late binding) which allow us to define base implementations for a method and more specific...read more

Programming Language

JS++ | Event Handlers

Last Updated: 04 September 2018

We've made our 'Animal' class abstract. We've declared an abstract 'talk' method and implemented this method in all subclasses of 'Animal'. However, our animals don't talk...read more

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Programming Language

JS++ | Interfaces

Last Updated: 04 September 2018

As we learned in the chapter on subtype polymorphism, an operation defined for a supertype can be safely substituted with its subtypes. As a result, operations defined for...read more

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Programming Language

Interview Experience at Naggaro 2019 (3 yrs of Experience)

Last Updated: 19 July 2019

There were total 5 Rounds .Round 1:First round was IQ test round. Where there were 50 questions to be solved within 12 min (No negative marking). The questions were easy.R...read more

Interview Experiences

Deno.js : The next step for JavaScript

Last Updated: 24 November 2022

The creator of Node js found there were many flaws in Node as can be shown in this video: https://www.youtube.com/watch?v=M3BM9TB-8yA. He started the project called deno 2...read more

Web Technologies

Write From Home

JavaScript-Misc

IndexedDB | Introduction

Last Updated: 22 June 2020

IndexedDB is a key-value database in the browser. It is a NoSQL Database. It is transactional, i.e. if a particular action falls within a transaction, none of the actions ...read more

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Web Technologies

Node.js Image Upload, Processing and Resizing using Sharp package

Last Updated: 04 April 2023

Often in our web applications, we need to store multiple forms and formats of images, in the form of a profile picture or an image for a product in an e-commerce prototype...read more

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Web Technologies

Image-Processing

Bootstrap 5 Introduction

Last Updated: 19 March 2024

Bootstrap is a free and open-source collection of CSS and JavaScript/jQuery code used for creating dynamic websites layout and web applications. Bootstrap is one of the mo...read more

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Web Technologies

How to Scrape a Website Using Puppeteer in Node.js ?

Last Updated: 05 April 2023

Puppeteer is a Node.js library that provides a high-level API to control headless Chrome or Chromium over the DevTools Protocol. It allows automating, testing, and scrapin...read more

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Web Technologies