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Action filters in MVC are attributes that can be applied to controller actions to perform logic before or after the action is executed.
Action filters can be used to perform authentication, logging, caching, etc.
Examples of action filters include Authorize, OutputCache, HandleError, etc.
Action filters can be applied at the controller level or at the action level.
Action filters can be created by implementing the IActionF...
MVC with entity frame work
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RabbitMQ is a message broker software that implements the Advanced Message Queuing Protocol (AMQP).
RabbitMQ allows different software systems to communicate by sending and receiving messages.
It can be used to decouple different parts of a system, making it more scalable and resilient.
RabbitMQ supports multiple messaging protocols, including AMQP, MQTT, and STOMP.
LINQ (Language Integrated Query) is a feature in .NET that allows querying data from different data sources using a uniform syntax.
LINQ allows querying data from collections, databases, XML, and more.
It provides a set of standard query operators like Where, Select, OrderBy, etc.
LINQ queries are written in C# or VB.NET and are type-safe.
Example: var result = from num in numbers where num % 2 == 0 select num;
posted on 1 Sep 2024
Hash map is a data structure that stores key-value pairs and allows for fast retrieval of values based on keys.
Hash map uses a hash function to map keys to indices in an array.
Collision handling is important in hash map implementation.
Common operations include adding, removing, and retrieving key-value pairs.
Example: HashMap
I applied via Naukri.com
UNION combines the results of two or more SELECT statements, while UNION ALL includes duplicates.
UNION removes duplicate rows, while UNION ALL retains all rows including duplicates
UNION is slower than UNION ALL as it performs a distinct operation
UNION requires the same number of columns in the SELECT statements, while UNION ALL does not have this restriction
Generic collections allow storing any type of data, while non-generic collections are type-specific.
Generic collections can store any type of data, such as List
Non-generic collections are type-specific, like ArrayList or HashTable.
Generic collections provide type safety and better performance compared to non-generic collections.
To delete all distinct records, use a query to identify and remove duplicate entries.
Identify distinct records using a query
Delete duplicate entries from the database
I was interviewed in Aug 2023.
10 day,Numbers,Alebra
An ordered collection of items, typically displayed in a numbered list.
Order list is used to display items in a specific sequence.
Items in an order list are typically numbered or marked with bullets.
Example:
JavaScript is a high-level, interpreted programming language used for creating interactive websites.
JavaScript is commonly used for client-side web development.
It can be used to add interactivity to websites, such as form validation or dynamic content.
JavaScript can also be used for server-side development with Node.js.
Examples of JavaScript frameworks/libraries include React, Angular, and Vue.
=== operator is a strict equality operator in JavaScript that checks if two values are equal in both value and type.
=== operator returns true if both operands are of the same type and have the same value
It does not perform type coercion, unlike the == operator
Example: 5 === '5' will return false because the operands are of different types
Main features of OOP include encapsulation, inheritance, and polymorphism.
Encapsulation: Bundling data and methods that operate on the data into a single unit (class).
Inheritance: Ability to create new classes based on existing classes, inheriting their attributes and methods.
Polymorphism: Ability for objects of different classes to respond to the same message in different ways.
Example: Encapsulation - a class 'Car' wi...
posted on 31 May 2024
I applied via LinkedIn and was interviewed in Dec 2023. There were 2 interview rounds.
It was easy and u can do it very easily
Basically question were asked from tree, bst, greedy
posted on 11 Apr 2024
I applied via Company Website and was interviewed in Oct 2023. There were 2 interview rounds.
Cat level maths are to be solved
Java coding basic questions
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