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I applied via Naukri.com and was interviewed in Mar 2024. There was 1 interview round.
LINQ joins on 2 tables allow for combining data from both tables based on a common key.
Use the 'join' keyword in LINQ to join two tables based on a common key
Specify the key to join on using 'equals' keyword
Select the desired columns from both tables in the result
Open close principle states that a class should be open for extension but closed for modification.
Classes should be open for extension through inheritance or implementing interfaces
Classes should be closed for modification to avoid breaking existing code
Example: Using abstract classes or interfaces to define behavior and allowing subclasses to implement specific functionality
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I appeared for an interview before Feb 2023.
Basic algorithms testing
I applied via Naukri.com and was interviewed in Jun 2024. There was 1 interview round.
Identifying and solving race conditions involves understanding concurrent execution and implementing synchronization mechanisms.
Understand the critical sections of code where race conditions can occur
Use synchronization mechanisms like locks, semaphores, or atomic operations to control access to shared resources
Implement thread-safe data structures or use thread-safe libraries to avoid race conditions
Use tools like sta...
Find the third largest element in an unsorted array of strings.
Sort the array in descending order.
Remove duplicates if necessary.
Return the element at index 2 as the third largest.
posted on 18 Dec 2024
I applied via LinkedIn and was interviewed before Dec 2023. There were 3 interview rounds.
posted on 22 Jul 2023
I applied via Recruitment Consulltant and was interviewed in Jun 2023. There were 4 interview rounds.
It was a normal aptitude test with mathematical questions.
It was a techno-coding test where I had to code while sharing my screen on a live conversation with the interviewer.
I would analyze the current approach, identify the root cause of the issue, brainstorm alternative solutions, and collaborate with the team to implement and test them.
Analyze the current approach to identify weaknesses
Brainstorm alternative solutions with the team
Implement and test the new solutions
Regularly communicate and collaborate with team members
posted on 27 Oct 2021
I applied via Recruitment Consultant and was interviewed in Apr 2021. There were 4 interview rounds.
Scope of variable in Perl determines where the variable can be accessed.
Perl has three types of variable scope: global, local, and lexical.
Global variables can be accessed from anywhere in the program.
Local variables are declared using the 'my' keyword and can only be accessed within the block they are declared in.
Lexical variables are declared using the 'state' keyword and can be accessed within the block they are dec...
Hash is a data structure that stores data in key-value pairs while array is an ordered list of scalar values.
Hashes are denoted by % symbol and arrays by @ symbol in Perl.
Hashes are useful for storing and retrieving data quickly based on a unique key.
Arrays can be accessed using index numbers starting from 0.
Both hashes and arrays can store different data types such as strings, numbers, and references.
Example: %hash = ...
CDATA is a way to include special characters in XML data without causing parsing errors.
CDATA stands for Character Data
It is used to include data that contains characters that would otherwise be interpreted as XML markup
CDATA is enclosed in tags
Example:
posted on 4 Sep 2023
I applied via Naukri.com and was interviewed in Aug 2023. There were 4 interview rounds.
OOPs concepts, abstraction vs interface, MVC architecture, stored procedures, joins
OOPs concepts include inheritance, polymorphism, encapsulation, and abstraction
Abstraction is hiding the implementation details while interface is a contract that defines the methods that a class must implement
MVC architecture separates the application into Model, View, and Controller components for better organization and maintenance
Sto...
SQL queries, ddl,dml TCL commands, primary key and foreign key differences,what is composite key,hash table in c#,generics in c#.
posted on 29 Jul 2024
I applied via Approached by Company and was interviewed in Jun 2024. There was 1 interview round.
Pivoting columns in SQL involves transforming rows into columns to display data in a different format.
Use the PIVOT keyword in SQL to pivot columns
Specify the columns to pivot on and the values to display in the new columns
Aggregate functions like SUM, AVG, COUNT can be used with PIVOT
Example: SELECT * FROM table_name PIVOT (SUM(value_column) FOR pivot_column IN ('value1', 'value2', 'value3'))
I applied via Recruitment Consultant and was interviewed in Aug 2021. There was 1 interview round.
Find all nodes at a distance K from a given node in a tree.
Use DFS to traverse the tree and mark the nodes at distance K from the given node.
Maintain a visited set to avoid revisiting nodes.
Use a queue to keep track of the nodes to be visited next.
If the given node is the root, traverse the entire tree and mark nodes at distance K.
If K is 0, return the given node itself.
I applied via Indeed and was interviewed in Oct 2023. There was 1 interview round.
based on 1 interview
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