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I applied via LinkedIn and was interviewed before Feb 2023. There was 1 interview round.
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My day was productive and fulfilling. As for myself, I am a driven and detail-oriented individual with a passion for problem-solving.
I tackled several challenging tasks at work and made significant progress on each of them.
I also took some time to exercise and clear my mind, which helped me stay focused throughout the day.
As for myself, I have a background in engineering and enjoy using my analytical skills to find cre...
Optimizing code involves identifying and removing bottlenecks to improve performance.
Identify the parts of the code that are taking the most time to execute
Use efficient algorithms and data structures
Minimize the number of function calls and loops
Avoid unnecessary calculations or operations
Use caching or memoization to avoid repeating calculations
Profile the code to measure performance improvements
Optimized version of given code
Use efficient data structures and algorithms
Avoid unnecessary loops and conditions
Minimize function calls and variable assignments
My day was productive and fulfilling. As for myself, I am a driven and detail-oriented individual with a passion for problem-solving.
I tackled several challenging tasks at work and made significant progress on each of them.
I also took some time to exercise and clear my mind, which helped me stay focused throughout the day.
As for myself, I have a background in engineering and enjoy applying my analytical skills to a var...
Yes, I prefer coding in C and have read The C Programming Language book. I have also explored the concept of Inheritance in C.
I find C to be a powerful and efficient language for system programming.
Yes, I have read The C Programming Language book by Dennis Retchie and found it to be a great resource.
Recently, I have been exploring the concept of Inheritance in C through various online resources and tutorials.
While C do...
Inheritance allows a class to inherit properties and methods from another class.
Inheritance promotes code reusability and saves time and effort in programming.
It allows for the creation of a hierarchy of classes with shared characteristics.
For example, a class Animal can be inherited by classes such as Dog, Cat, and Bird, which share common properties and methods.
Inheritance can be implemented using the 'extends' keywo
Liskov substitution principle is a principle in object-oriented programming that states that objects of a superclass should be able to be replaced with objects of its subclasses without affecting the correctness of the program.
Subtypes must be substitutable for their base types
Derived classes must not change the behavior of the base class
Violating the principle can lead to unexpected behavior and errors
Example: A squar...
Explanation of OOPs concepts with programs
Encapsulation: Wrapping data and functions into a single unit. Example: Class in Java
Abstraction: Hiding implementation details and showing only necessary information. Example: Abstract class in C#
Inheritance: Acquiring properties and behavior of a parent class. Example: Child class extending parent class in Python
Polymorphism: Ability of an object to take many forms. Example:
Dynamic polymorphism is achieved through virtual functions and inheritance in object-oriented programming.
Create a base class with virtual functions
Create derived classes that override the virtual functions
Use pointers or references of the base class to call the virtual functions
The appropriate derived class function will be called based on the object being pointed to or referred to
Global variables can lead to unexpected changes and make debugging difficult.
Global variables can be accessed and modified from any part of the code, making it difficult to track changes.
They can cause naming conflicts if multiple variables with the same name are used in different parts of the code.
Using global variables can make it harder to test and debug code, as it can be difficult to isolate the cause of errors.
Th...
Using 'goto' can make code hard to read, maintain and debug.
Goto statements can create spaghetti code that is difficult to follow.
It can make it harder to understand the flow of the program.
It can also make debugging more difficult.
There are usually better alternatives to using goto, such as using loops or functions.
Some programming languages, such as Java and Python, do not even have a goto statement.
Using goto can al...
My favorite subject is history because it helps me understand the present and learn from the past.
I enjoy learning about different cultures and how they have evolved over time
I find it fascinating to study the causes and effects of major historical events
One of my favorite books on history is 'Guns, Germs, and Steel' by Jared Diamond
Implicit objects are pre-defined objects in JSP that can be accessed without being explicitly declared.
Implicit objects are created by the JSP container during the translation phase.
They can be accessed using predefined names such as request, response, session, application, out, pageContext, config, and exception.
For example, the request object can be used to retrieve parameters from a form or URL.
The session object ca...
Apache is a popular web server and Tomcat is a widely used application server.
Apache is an open-source web server that supports multiple operating systems and is known for its stability and security.
Tomcat is a Java-based application server that is used to deploy Java web applications and supports servlets and JSPs.
Other popular web servers include Nginx and Microsoft IIS.
Other popular application servers include JBoss...
To deploy a web application on Apache Tomcat, the application needs to be packaged as a WAR file and then deployed to the Tomcat server.
Create a WAR file of the web application
Copy the WAR file to the Tomcat webapps directory
Start the Tomcat server
Access the web application using the URL http://localhost:8080/
Collections in Java are classes that implement collections of objects, such as lists, sets, and
The weight of an aircraft is crucial for its performance and safety.
The weight of an aircraft includes the weight of the aircraft itself, fuel, passengers, cargo, and any other equipment on board.
The weight of an aircraft is measured in pounds or kilograms.
The weight of an aircraft affects its takeoff and landing performance, as well as its fuel efficiency and range.
Aircraft manufacturers provide maximum takeoff and la...
I applied via Recruitment Consultant and was interviewed before Jun 2020. There were 4 interview rounds.
I applied via Company Website and was interviewed in May 2019. There were 5 interview rounds.
I was interviewed before Nov 2019.
SQL query to get top 100 Uber drivers by city
Join drivers and users tables on city
Aggregate driver ratings and count of rides
Order by rating and count of rides
Limit to top 100
Optimizing the listing of Restaurants on Swiggy involves using data-driven strategies to improve visibility, relevance, and user experience.
Analyze user behavior and preferences to understand their needs and preferences
Implement a ranking algorithm based on factors like ratings, reviews, popularity, and delivery time
Optimize search functionality to ensure accurate and relevant results
Collaborate with restaurants to imp...
Linear Regression is used for continuous data while Logistic Regression is used for categorical data.
Linear Regression predicts continuous values while Logistic Regression predicts probabilities.
Linear Regression uses a straight line to fit the data while Logistic Regression uses an S-shaped curve.
Linear Regression uses Mean Squared Error as the cost function while Logistic Regression uses Log Loss.
Linear Regression is...
Bias-Variance trade-off is the balance between overfitting and underfitting. High bias models are simple but inaccurate, low variance models are complex but overfit.
Bias-Variance trade-off is a fundamental concept in machine learning.
High bias models are simple and have low variance, but are inaccurate.
Low bias models are complex and have high variance, but can overfit the data.
Examples of high bias models are linear r...
Possible reasons for a car manufacturer's decline in profits by 40% year over year
Decreased demand for cars due to economic downturn
Increased competition from other car manufacturers
Rising production costs and expenses
Decline in consumer confidence and spending
Changes in government regulations impacting the automotive industry
The number of umbrellas sold in India during rainy seasons varies depending on factors such as rainfall intensity and geographical location.
The demand for umbrellas is generally higher in regions with heavy rainfall.
Urban areas with higher population density may have a higher demand for umbrellas.
Factors like price, availability, and marketing strategies also influence umbrella sales.
Sales data from previous years can ...
I will explain each section of my CV in detail.
Education: I completed my Bachelor's degree in Economics at XYZ University. I focused on macroeconomics and econometrics, conducting research on the impact of fiscal policy on economic growth.
Internship: I interned at ABC Company, where I worked closely with the data analysis team. I gained hands-on experience in data collection, cleaning, and analysis using tools like Exc...
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