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Delayed Job is a background job processing library for Ruby on Rails applications.
Delayed Job allows you to offload time-consuming tasks to be processed in the background.
It is commonly used for sending emails, generating reports, or any task that doesn't need to be done immediately.
Jobs are added to a queue and processed by a separate worker process.
It provides a simple API for creating and managing background jobs.
Ex
Active Record is a design pattern used in software development to simplify the interaction between objects and databases.
Active Record is an object-relational mapping pattern where each database table is represented by a class.
It allows developers to interact with the database using methods on the class, abstracting away the SQL queries.
It typically includes methods for CRUD operations (Create, Read, Update, Delete) on...
I applied via campus placement at Sri Venkateswara College of Engineering, Chennai and was interviewed in Aug 2024. There were 2 interview rounds.
It was pretty moderate to answer and it covers many topics.
I am a passionate traveler who loves exploring new cultures and trying new foods.
I have visited over 15 countries and love immersing myself in different traditions
I enjoy documenting my travels through photography and blogging
Trying new cuisines is a favorite hobby of mine, and I love experimenting with cooking at home
I applied via campus placement at Sri Venkateswara Engineering College, Nalgonda and was interviewed in Jul 2024. There were 2 interview rounds.
60 minutes , 60 questions
Logical and coding related test in Hackerank
Discussion of the current project along with analyzing the technical skills
Kaleris interview questions for popular designations
I applied via Naukri.com and was interviewed in May 2024. There were 2 interview rounds.
Basic questions on OOPS concepts and asked to write code for 2 problem statements
Simple logic but they ask for different approaches to solve the same logic
Scenario based Written test
I applied via Approached by Company and was interviewed before May 2023. There were 4 interview rounds.
If you prepare well for basic data structures and algorithms, it will be easy only.
There was one coding question and one low-level design question. So you should prepare for basic DS & Algo, and work on Low Level Design.
It was a vending machine design question.
You need to code on an online platform. Again basic knowledge of DS & Algo will be required.
Implement queue using stack kind of questions will come.
Top trending discussions
I applied via Naukri.com and was interviewed in Dec 2018. There was 1 interview round.
I know multiple programming languages including Java, Python, and C++.
Proficient in Java with experience in developing web applications using Spring framework
Familiar with Python for data analysis and machine learning
Experience in C++ for developing high-performance applications
Also familiar with HTML, CSS, and JavaScript for front-end development
Class is a blueprint for creating objects, encapsulation is the process of hiding data and methods within a class.
Class is a template or blueprint that defines the properties and behaviors of an object.
Encapsulation is the process of bundling data and methods together within a class, hiding the internal details from the outside world.
Other features of OOP include inheritance, polymorphism, and abstraction.
Inheritance a...
Program to find the sum of squares of each term of Fibonacci series
Generate Fibonacci series using loop or recursion
Calculate square of each term
Add all squares to get the sum
I would like to join Cognizant because of its reputation as a leading global technology and consulting company.
Cognizant has a strong presence in the industry and is known for its innovative solutions.
I am impressed by Cognizant's commitment to digital transformation and its ability to deliver value to clients.
The company offers excellent career growth opportunities and a supportive work environment.
Cognizant's diverse...
based on 8 interviews
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