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I applied via Recruitment Consultant and was interviewed in Jan 2021. There were 3 interview rounds.
Memoization is a technique to cache the results of a function to improve performance.
Memoization can be implemented using closures or objects.
It is useful for functions that are computationally expensive or have repetitive calculations.
Memoization can be used for recursive functions to avoid redundant calculations.
Example: Memoizing a Fibonacci function to avoid recalculating the same values.
Currying is a technique in JavaScript where a function with multiple arguments is transformed into a sequence of functions with single arguments.
Currying allows for partial application of functions.
It can be achieved using the bind() method or by creating a closure.
Curried functions can be used for function composition and creating reusable code.
Example: const add = x => y => x + y; add(2)(3) returns 5.
Services are used to share data and functionality across components. Lifecycle hooks are methods that get called at specific stages of a component's life.
Services are singleton objects that can be injected into components
Lifecycle hooks include ngOnInit, ngOnDestroy, and ngOnChanges
ngOnInit is called when a component is initialized
ngOnDestroy is called when a component is about to be destroyed
ngOnChanges is called when
Angular components interact with each other through @Input, @Output, and services.
Components can pass data to child components using @Input decorator
Components can emit events to parent components using @Output decorator
Components can share data through services
Components can communicate with each other using @ViewChild and @ContentChild decorators
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I applied via Campus Placement and was interviewed before Jun 2022. There were 3 interview rounds.
I applied via Walk-in and was interviewed before Mar 2021. There were 3 interview rounds.
Aptitude test
Current affairs
I applied via Campus Placement and was interviewed before Oct 2021. There were 2 interview rounds.
Scaling refers to increasing capacity of a system. Horizontal scaling adds more machines, while vertical scaling adds more resources to a machine.
Horizontal scaling involves adding more machines to a system to increase capacity
Vertical scaling involves adding more resources to a machine to increase capacity
Use cases for horizontal scaling include handling increased traffic or adding redundancy
Use cases for vertical sca...
I applied via Approached by Company and was interviewed in Jan 2024. There were 3 interview rounds.
It was mostly on JavaScript
I applied via Approached by Company and was interviewed in Sep 2023. There were 2 interview rounds.
Cover topics like closures, classes, functions
Call, bind, and apply are methods used to manipulate the value of 'this' in JavaScript functions.
Call: Invokes a function with a specified 'this' value and arguments provided individually.
Example: func.call(thisArg, arg1, arg2)
Bind: Creates a new function that, when called, has a specified 'this' value and arguments provided one by one.
Example: var newFunc = func.bind(thisArg, arg1, arg2)
Apply: Invokes a function with ...
Closures are functions that have access to variables from their containing scope even after the scope has closed.
Closures allow functions to access variables from their outer function even after the outer function has finished executing.
They help in maintaining state in asynchronous operations.
Closures are commonly used in event handlers and callbacks.
I applied via Referral and was interviewed in Feb 2024. There were 2 interview rounds.
Aptitude test was easy but difficult
I applied via Approached by Company and was interviewed before Apr 2023. There were 2 interview rounds.
It was basics on java and big data
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