10+ BizNext Interview Questions and Answers

Lexical scope in JS determines the accessibility of variables based on their location in the code.

• Variables declared inside a function are only accessible within that function's scope

• Variables declared outside of any function have global scope

• Nested functions have access to variables declared in their parent function's scope

• Lexical scope is determined at compile time, not runtime

The CTC offered for a Dotnet developer with 6 to 7 years of experience will depend on various factors.

• The CTC will depend on the location of the job

• The CTC will depend on the company's budget and policies

• The CTC will depend on the skills and expertise of the candidate

• The CTC can range from 8-15 lakhs per annum

The budget for a Dotnet developer with 3 to 4 years of experience varies based on location and company size.

• The average salary for a Dotnet developer with 3 to 4 years of experience is around $75,000 to $90,000 per year.

• The budget may vary based on the location of the company and the cost of living in that area.

• The budget may also vary based on the size of the company and the demand for Dotnet developers in that particular industry.

• It is important to research the market and c...read more

ES6 added several new features to JavaScript including arrow functions, let and const, and template literals.

• Arrow functions provide a more concise syntax for writing functions.

• Let and const are block-scoped variables that replace var.

• Template literals allow for easier string interpolation and multiline strings.

• Other features include destructuring, default parameters, and classes.

Hoisting is a JavaScript mechanism where variables and function declarations are moved to the top of their scope.

• Hoisting applies to variable and function declarations, but not to variable assignments

• Function declarations are hoisted before variable declarations

• Hoisting can lead to unexpected behavior and should be avoided

Mutable objects can be changed after creation, while immutable objects cannot be changed.

• Mutable objects: lists, dictionaries, sets

• Immutable objects: strings, tuples, numbers

• Changing a mutable object will modify the original object, while changing an immutable object will create a new object

A vector database can be created by storing vectors as rows in a table, with each column representing a different dimension.

• Create a table with columns representing different dimensions of the vectors

• Store each vector as a row in the table

• Use indexing and querying techniques to efficiently retrieve vectors

• Consider using specialized databases like Elasticsearch for handling large-scale vector data

VDOM stands for Virtual Document Object Model, a lightweight copy of the actual DOM used for efficient rendering.

• VDOM is a technique used in modern web development frameworks like React and Vue.js.

• It creates a lightweight copy of the actual DOM, which is used for efficient rendering.

• When changes are made to the VDOM, it is compared to the actual DOM and only the necessary changes are made.

• This results in faster rendering and better performance for the user.

• VDOM is an importan...read more

Coroutines are a way to perform asynchronous operations in a sequential manner in Kotlin. Suspend functions are functions that can be paused and resumed.

• Coroutines in Kotlin are used for asynchronous programming without blocking the main thread.

• Suspend functions are used within coroutines to perform long-running tasks without blocking the thread.

• Coroutines can be used to handle network requests, database operations, and other asynchronous tasks efficiently.

• Example: 'suspend f...read more

Built a live component

• Identify the purpose and functionality of the component

• Choose appropriate technologies and frameworks

• Implement real-time updates using websockets or polling

• Test thoroughly to ensure reliability and performance