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MVC in Rails stands for Model-View-Controller, a design pattern that separates the application into three interconnected components.
Model: Represents the data and business logic of the application
View: Represents the user interface of the application
Controller: Handles user input, interacts with the model, and updates the view
Promotes code organization and separation of concerns
Active Record is an object-relational mapping (ORM) pattern in Ruby on Rails that simplifies database interactions.
ORM pattern in Ruby on Rails
Maps database tables to Ruby objects
Provides methods for querying and manipulating data
Example: User model in Rails represents users table in database
I applied via Naukri.com and was interviewed in Nov 2023. There were 2 interview rounds.
Strong params is a security feature in Ruby on Rails that allows you to specify which parameters are allowed for mass assignment.
Strong params helps prevent mass assignment vulnerabilities by whitelisting specific parameters.
It is used to protect against malicious users attempting to modify sensitive data.
Strong params is implemented using the 'permit' method in Rails controllers.
Example: params.require(:model_name).pe
MVC is a software architectural pattern that separates an application into three main components: Model, View, and Controller.
Model represents the data and business logic of the application.
View is responsible for displaying the data to the user.
Controller handles user input, updates the model, and interacts with the view.
MVC promotes separation of concerns and modularity.
Example: In a RoR application, the model could ...
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posted on 27 Apr 2024
I applied via campus placement at Bangalore Institute Of Technology (BIT) and was interviewed in Mar 2024. There were 3 interview rounds.
Time distance and basic puzzle questions,6 questions in 45 minutes
posted on 20 Feb 2025
I was interviewed in Aug 2024.
All questions about c#, code first approach ,DSA, linq and sql server, css and javascript
I applied via Naukri.com and was interviewed in Mar 2023. There were 4 interview rounds.
posted on 30 Oct 2023
C# is a programming language developed by Microsoft for building a wide range of applications on the .NET framework.
C# is an object-oriented language with features like classes, inheritance, and polymorphism.
It is strongly typed, meaning variables must be declared with a specific data type.
C# supports modern programming concepts like async/await for asynchronous programming.
It is commonly used for developing desktop, w...
posted on 8 Feb 2024
Virtual DOM is a concept in web development where a lightweight copy of the actual DOM is created and updated efficiently.
Virtual DOM is used in frameworks like React to improve performance by minimizing direct manipulation of the actual DOM.
It allows developers to update only the necessary parts of the UI, reducing the number of expensive DOM operations.
Changes made to the virtual DOM are compared with the actual DOM,...
Event emitter is a mechanism in Node.js that allows communication between objects using events.
Event emitter is a built-in module in Node.js.
It allows objects to emit named events and register listeners for those events.
Listeners are functions that are executed when the event is emitted.
Event emitter is commonly used in Node.js for handling asynchronous operations.
Example: EventEmitter class in Node.js can be used to c
posted on 22 Apr 2023
I was interviewed in Jan 2021.
Round duration - 120 minutes
Round difficulty - Hard
This round was very difficult. I never do these much difficulty level of coding questions. But i give my best, and just do every questions by using step by step process.
Given an integer 'N', print an hourglass pattern based on the value of 'N'.
The first and only line of input contains an integer, denoting the value of N.
Given an undirected and disconnected graph G(V, E) where V vertices are numbered from 0 to V-1, and E represents edges, your task is to output the BFS traversal starting from the ...
You are given a stack. Your task is to sort the elements within the stack in ascending order using only push and pop operations. You are allowed to use one additional stack ...
Round duration - 90 minutes
Round difficulty - Easy
This round is also coding round in this round we have a small video call interaction too, in which hr ask few questions to only those whose coding question is correct.
You are given a palindrome number represented as a string S
. Your task is to find the largest palindrome number that is strictly less than S
.
T...
You are given a grid containing oranges where each cell of the grid can contain one of the three integer values:
Tip 1 : Relax and don't stress. Practice
Tip 2 : Build Resume according to Job Description , but don't lie.
Tip 3 : Have good projects and knowledge regarding important subjects related to interviews
Tip 1 : Include only genuine information, never lie in resume , it will impact to bad impression.
Tip 2 : Skills relevant to Job Description
Tip 3 : Resume should not be more than 2 pages
Tip 4 : Have some projects and internship on your resume because it will give good impression
based on 2 interviews
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