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I applied via LinkedIn and was interviewed in Oct 2024. There was 1 interview round.
Synthetic Events are events that are created by the browser to mimic real user events.
Synthetic Events are used in React to handle events in a consistent manner across different browsers.
They are created by React to wrap native browser events and provide additional functionality.
Examples include onClick, onChange, and onSubmit events in React.
Event bubbling is the process where an event triggered on a child element is propagated up through its parent elements.
Event bubbling allows a single event handler to be attached to a parent element, which will be triggered for all its children.
When an event occurs on a child element, it first runs the event handlers on the child, then on its parent, and so on up the DOM tree.
Event bubbling can be stopped using event.s
I applied via Approached by Company and was interviewed in Jul 2024. There was 1 interview round.
Invoke controller is a component in a software application that manages the flow of requests and responses between the user interface and the backend services.
Manages the communication between user interface and backend services
Handles the routing of requests to appropriate functions or methods
Coordinates the flow of data and actions within the application
Facade in Laravel is a design pattern that provides a simple interface to a complex subsystem.
Facade provides a static interface to classes that are available in the application's service container.
It is used to simplify the usage of complex classes by providing a simpler interface.
Facade allows you to access Laravel's features without needing to instantiate objects or use dependency injection.
Example: The Auth facade ...
posted on 22 Sep 2024
I applied via LinkedIn and was interviewed before Sep 2023. There was 1 interview round.
Easy leetcode data structure question
Code for calling a REST API and designing a rate limiter
Use a library like requests or axios to make the API call
Implement a token bucket algorithm for rate limiting
Set a maximum number of requests per second and queue excess requests
Consider using a distributed rate limiter for scalability
Design a database schema for Instagram.
Create tables for users, posts, comments, likes, and follows.
Use primary and foreign keys to establish relationships between tables.
Store user data such as username, email, and password securely.
Include fields for post content, location, and timestamp.
Track likes and comments on posts.
Implement a notification system for follows and likes.
Consider scalability and performance in the...
I applied via Referral and was interviewed in Nov 2021. There was 1 interview round.
Coalesce is used to select the first non-null value from a set of columns. Repartition is used to shuffle data across nodes.
Coalesce reduces the number of partitions to the minimum required.
Repartition increases or decreases the number of partitions.
Coalesce is a narrow transformation while repartition is a wide transformation.
Coalesce is used to optimize data for queries while repartition is used to balance data acros...
Optimizing joins involves selecting appropriate join types, indexing tables, and minimizing data movement.
Choose the appropriate join type based on the size and structure of the tables being joined
Index the tables on the join columns to speed up the join process
Minimize data movement by selecting only the necessary columns and filtering rows before joining
Consider using denormalization or materialized views to precompu
RDD is a low-level distributed data structure while DataFrame is a high-level structured data abstraction.
RDD is immutable and unstructured while DataFrame is structured and has a schema
DataFrames are optimized for SQL queries and can be cached in memory
RDDs are more flexible and can be used for complex data processing tasks
DataFrames are easier to use and provide a more concise syntax for data manipulation
RDDs are the...
I applied via LinkedIn and was interviewed before Oct 2022. There were 4 interview rounds.
Basic dsa question in python and data engineering questions ,sql
Basic dsa question in python and data engineering questions
posted on 17 Oct 2021
I applied via Naukri.com and was interviewed in Sep 2021. There were 6 interview rounds.
I applied via Campus Placement and was interviewed in Aug 2021. There was 1 interview round.
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