Q3 Technologies Senior Software Engineer and Lead Interview Questions and Answers

Q1. Tell us about your experience.
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Q2. In english, give me a feedback you received lately.
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Q1. Brief explanation of SOLID principles
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Q2. Ref vs out arguments
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Q1. What are Django signals, and what is their application in web development?
Ans. 
Django signals are a way for decoupled applications to get notified when certain actions occur elsewhere in the application.
• Django signals allow certain senders to notify a set of receivers when some action has taken place.

• They are used for decoupling various components of a web application.

• Signals are useful for executing code based on certain events, such as user login, object creation, etc.

• Example: Sending an email ...read more
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Q2. What are Django generic views?
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Django generic views are pre-built views provided by Django to simplify common tasks like displaying data from a database.
• Django generic views help reduce code duplication by providing ready-to-use views for common tasks like displaying objects from a database.

• They are generic in nature and can be easily customized to suit specific requirements.

• Examples include ListView for displaying a list of objects, DetailView for ...read more
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Q1. Print Longest Increasing Subsequence
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Print the longest increasing subsequence of an array of strings.
• Use dynamic programming to find the longest increasing subsequence.

• Iterate through the array and keep track of the longest increasing subsequence ending at each index.

• Return the longest increasing subsequence found.
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Q1. What is solid principple
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SOLID is a set of five design principles that help make software designs more understandable, flexible, and maintainable.
• S - Single Responsibility Principle: A class should have only one reason to change.

• O - Open/Closed Principle: Software entities should be open for extension but closed for modification.

• L - Liskov Substitution Principle: Objects of a superclass should be replaceable with objects of its subclasses with...read more
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Q2. Whats are oops in c#
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Object-oriented programming concepts in C#
• Encapsulation: bundling data and methods that operate on the data into a single unit

• Inheritance: allows a class to inherit properties and behavior from another class

• Polymorphism: ability for objects to take on multiple forms

• Abstraction: hiding the complex implementation details and showing only the necessary features
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Apti , html , linux ,sql, java

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Q1. What is sql server agent why can't we create objects of abstract class write extension method for abstract class SQL: SP vs Function, which one is faster, why? can I call SP from Function Microservice orch...read more
Ans. 
SQL Server Agent is a job scheduling tool in SQL Server. Abstract classes cannot be instantiated. SPs are faster than functions. Microservice concepts. IEnumerable vs IQueryable.
• SQL Server Agent is a job scheduling tool in SQL Server for automating tasks like backups, database maintenance, etc.

• Abstract classes cannot be instantiated because they are incomplete and meant to be extended by subclasses.

• Extension methods ca...read more
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Q1. What is record in c# write generic method to perform summation of 2 numeric type variable (int, double, float..) write test cases for Sum method which design pattern you used
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A record in C# is a data structure that stores a fixed number of fields of different data types.
• A record in C# is similar to a struct in C++, containing fields to store data.

• Example: 'public record Person { public string Name; public int Age; }'

• Generic method for summation: 'public T Sum(T a, T b) where T : struct, IConvertible { return Convert.ToDouble(a) + Convert.ToDouble(b); }'

• Test cases can include checking the su...read more
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Q2. This was the worst interview I have ever given. Interview got rescheduled 3 times. The panelist behaved so rudely, Why people wouldn't even care to show his face, it's literally very frustrating.
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Q1. What is angular
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Angular is a popular open-source front-end web application framework developed by Google.
• Angular is used for building dynamic web applications.

• It allows for the creation of single-page applications.

• Angular uses TypeScript for building applications.

• It provides features like data binding, dependency injection, and routing.

• Angular has a large community and ecosystem with many libraries and tools available.
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Q2. What is an angular
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Angular is a popular open-source web application framework developed by Google.
• Angular is used for building dynamic web applications.

• It allows for the creation of single-page applications.

• Angular uses TypeScript for building applications.

• It provides features like data binding, dependency injection, and routing.

• Angular has a large community and ecosystem with many libraries and tools available.
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