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I applied via Job Portal and was interviewed in Feb 2024. There were 3 interview rounds.
The ref and out keywords are used in C# to pass arguments by reference instead of by value.
The ref keyword is used to pass a variable by reference, allowing the called method to modify the value of the variable.
The out keyword is similar to ref, but it is used when the called method needs to assign a value to the variable being passed.
The ref keyword requires the variable to be initialized before passing it to the meth...
Overloading is having multiple methods with the same name but different parameters. Overriding is implementing a method in a derived class with the same name and signature as in the base class.
Overloading allows a class to have multiple methods with the same name but different parameters.
Overriding allows a derived class to provide a different implementation of a method that is already defined in the base class.
Overloa...
SQL join queries are used to combine rows from two or more tables based on a related column between them.
Join queries are used to retrieve data from multiple tables in a single query.
Common types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.
Join conditions are specified using the ON keyword, which defines the column(s) to join on.
Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = ta
ADO .NET database calling steps involve establishing a connection, creating a command object, executing the command, and handling the results.
Establish a connection to the database using a connection string
Create a command object to specify the SQL query or stored procedure to be executed
Execute the command to retrieve or modify data in the database
Handle the results by reading data from a DataReader or updating data u
I applied via Referral and was interviewed in Dec 2023. There were 2 interview rounds.
I applied via LinkedIn and was interviewed in Oct 2023. There were 3 interview rounds.
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I applied via Approached by Company and was interviewed before Jan 2024. There were 4 interview rounds.
I applied via Naukri.com and was interviewed before Jan 2023. There were 3 interview rounds.
OOPs concepts are fundamental principles in object-oriented programming, including inheritance, encapsulation, polymorphism, and abstraction.
Inheritance: Allows a class to inherit properties and behavior from another class.
Encapsulation: Bundling data and methods that operate on the data into a single unit.
Polymorphism: Ability to present the same interface for different data types.
Abstraction: Hiding the complex imple...
I applied via Company Website and was interviewed before Dec 2023. There were 3 interview rounds.
Case study and call simulation
I applied via Approached by Company and was interviewed in May 2022. There were 2 interview rounds.
Action filters are used in ASP.NET MVC to execute code before or after an action method is called.
Action filters can be used to perform authentication and authorization checks.
They can also be used to modify the result of an action method.
Examples of action filters include Authorize, OutputCache, and HandleError.
Action filters can be applied globally, to a controller, or to an individual action method.
A controller is used for handling user requests while an API controller is used for handling API requests.
A controller is used for rendering views while an API controller is used for returning data in JSON format.
API controllers are usually lighter and faster than regular controllers.
API controllers are often used for building RESTful APIs.
Examples of API frameworks that use API controllers include Laravel and ASP.NET
IEnumerable is read-only and forward-only while IQueryable is queryable and can be used with LINQ to SQL.
IEnumerable is used for in-memory collections while IQueryable is used for querying external data sources.
IQueryable allows for deferred execution while IEnumerable does not.
IQueryable can be used with LINQ to SQL to translate queries into SQL statements.
IEnumerable is simpler and more lightweight than IQueryable.
IE...
Yield keyword is used in Python to create generators that can be used to iterate over large datasets without loading them into memory.
Yield is used to pause and resume a function's execution.
Generators created using yield are memory efficient as they only load data when needed.
Yield can be used to implement lazy evaluation.
Yield can be used to create infinite sequences.
Example: def my_generator(): yield 1; yield 2; yie...
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