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ES6 introduced several new features and improvements to JavaScript, making it more powerful and efficient.
Arrow functions for more concise syntax
Let and const for block-scoped variables
Classes for easier object-oriented programming
Template literals for easier string interpolation
Default parameters and rest parameters for function arguments
Destructuring assignment for easier data extraction
Promises for asynchronous prog
Yes, let and const variables are hoisted but not initialized.
let and const variables are hoisted to the top of their block scope, but they are not initialized until the actual line of code is executed.
This means that you cannot access a let or const variable before it is declared in the code.
For example, trying to access a let variable before it is declared will result in a ReferenceError.
Global context refers to the overall environment or setting in which something exists or operates.
Global context encompasses all variables, functions, and objects that are accessible throughout an entire program.
It can be thought of as the 'big picture' view of a program's execution.
In web development, global context includes the window object in JavaScript.
Temporal dead zone is a period during the variable creation process where accessing the variable results in a ReferenceError.
Occurs when trying to access a variable before it has been declared with let or const
Happens due to the variable being in the temporal dead zone until it is declared
Example: accessing a variable before its declaration will result in a ReferenceError
Modules in Node.js are reusable blocks of code that encapsulate related functionality.
Modules in Node.js can be built-in modules like fs (file system) or third-party modules like express.
Modules help in organizing code into separate files for better maintainability and reusability.
Modules can be imported using the require() function in Node.js.
Indexes in MongoDB improve query performance by allowing the database to quickly locate and retrieve specific documents.
Indexes help to speed up query performance by allowing the database to quickly locate specific documents based on the indexed fields.
Without indexes, MongoDB would have to perform a collection scan, which can be slow and resource-intensive.
Indexes can be created on single fields or compound fields to ...
Hooks are a feature in React that allow you to use state and other React features in functional components. useRef is a hook that allows you to create a mutable object that persists for the lifetime of the component.
Hooks are used to add state and lifecycle methods to functional components in React
useRef is used to create a mutable reference that persists between renders
useRef can be used to access DOM elements directl
Mongoose is an Object Data Modeling (ODM) library for MongoDB that provides a higher level of abstraction and simplifies interactions with the database.
Mongoose provides schema validation which helps maintain data integrity.
Mongoose simplifies querying and data manipulation with built-in functions.
Mongoose supports middleware functions for pre and post processing of data operations.
Experienced Senior Product Manager with a background in tech industry and a passion for driving product innovation.
Over 8 years of experience in product management roles
Strong background in the tech industry, with a focus on software development
Proven track record of successfully launching and managing products from concept to market
Passionate about driving product innovation and improving user experiences
Skilled in cr...
I applied via Company Website and was interviewed in Sep 2024. There was 1 interview round.
posted on 20 Sep 2024
I applied via Job Portal and was interviewed in Aug 2024. There were 3 interview rounds.
I applied via Job Fair and was interviewed in Sep 2024. There were 2 interview rounds.
Coding test was basically asking about debugging codes related to java used in selenium & other SDLC cycle basic questions related to testing.
posted on 19 Jul 2024
I applied via Naukri.com and was interviewed in Jun 2024. There were 4 interview rounds.
Databinding in Android allows for easier connection between UI components and data sources.
Databinding eliminates the need for findViewById() calls in your code.
It allows for easier access to data in your layouts using data binding expressions.
Databinding can improve code readability and reduce boilerplate code.
Example:
Packaging process in Android involves compiling the code, resources, and assets into an APK file for distribution.
Compile the Java code into .class files
Compile the resources (XML files, images, etc.) into a binary format
Package all the compiled files into an APK file using the Android Asset Packaging Tool (AAPT)
Sign the APK file with a private key for security
Align the APK file for optimization
MVVM is a design pattern that separates the user interface from the business logic and data model.
MVVM stands for Model-View-ViewModel
Model represents the data and business logic
View represents the user interface
ViewModel acts as an intermediary between the Model and View
MVVM helps in achieving separation of concerns and easier unit testing
I applied via LinkedIn and was interviewed in Dec 2024. There were 2 interview rounds.
Based on my CV, they assigned me a task related to data migration.
posted on 20 Apr 2024
I applied via LinkedIn
No, a business analyst does not act like a postman.
A business analyst analyzes business processes, identifies areas for improvement, and recommends solutions.
A postman delivers mail and packages to recipients.
While both roles involve communication, a business analyst focuses on improving business operations while a postman focuses on delivering mail.
Different estimation techniques include bottom-up, top-down, analogous, parametric, and expert judgment.
Bottom-up estimation involves breaking down the project into smaller tasks and estimating each individually.
Top-down estimation uses historical data or high-level information to estimate the project as a whole.
Analogous estimation relies on past similar projects to estimate the current project.
Parametric estimation u...
I applied via Walk-in and was interviewed in Jul 2024. There were 5 interview rounds.
In Aptitude test contains topics like time, percentages,data interpretation etc.
In this round It is 30 mins we have 25 MCQ questions to attempt it is in Java/Python based questions.
I am a recent graduate with a degree in engineering, passionate about problem-solving and eager to learn and grow in a professional setting.
Recent graduate with a degree in engineering
Passionate about problem-solving
Eager to learn and grow in a professional setting
I have worked on various projects including designing a solar-powered irrigation system and developing a mobile app for waste management.
Designed a solar-powered irrigation system to help farmers in remote areas access water for their crops
Developed a mobile app for waste management to help users locate nearby recycling centers and schedule pickups
Implemented IoT sensors in the irrigation system to monitor soil moistur
Researched online, read about company culture, products, and recent news.
Researched online to learn about company history and values
Read about the products and services offered by the company
Kept up to date with recent news and developments within the company
Checked out employee reviews on platforms like Glassdoor
I am a recent graduate with a degree in engineering, eager to learn and grow in a professional setting.
Recent graduate with a degree in engineering
Eager to learn and grow in a professional setting
Strong problem-solving skills
Experience with technical projects during studies
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