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Node JS uses event-driven architecture and non-blocking I/O to handle multiple requests efficiently.
Node JS uses event loop to handle multiple requests by delegating I/O operations to the system kernel asynchronously.
It can process multiple requests concurrently without getting blocked by I/O operations.
Node JS leverages callbacks and Promises to manage asynchronous operations and ensure smooth execution of code.
Exampl...
Callback hell is a situation where multiple nested callbacks make the code difficult to read and maintain.
Occurs when multiple asynchronous operations are nested within each other
Leads to deeply nested code which is hard to read and debug
Can be avoided by using promises, async/await, or libraries like async.js
Currying is a technique in functional programming where a function with multiple arguments is transformed into a sequence of functions, each taking a single argument.
Currying helps in partial application of functions.
It allows for creating reusable functions with fixed parameters.
Example: const add = a => b => a + b; add(2)(3) returns 5.
Event loop is a mechanism that allows for asynchronous programming by handling events and callbacks.
Event loop is a single-threaded mechanism that processes tasks in a non-blocking way.
It continuously checks the event queue and executes the appropriate callback functions.
Commonly used in JavaScript for handling asynchronous operations like setTimeout, setInterval, and promises.
Middleware in express.js is a function that has access to the request and response objects, and can modify them or terminate the request-response cycle.
Middleware functions can perform tasks like logging, authentication, error handling, etc.
Middleware is added using app.use() method before defining routes.
Middleware functions can also be added locally to specific routes using app.use() before the route handler.
Example:...
I was interviewed before Sep 2016.
I applied via Recruitment Consultant and was interviewed before Sep 2018. There were 4 interview rounds.
I was interviewed in Jul 2017.
I am a software engineer with experience in developing and maintaining software applications.
I have a strong background in programming languages such as Java, C++, and Python.
I have worked on various projects, including developing web applications and implementing software solutions.
I am skilled in problem-solving and debugging, ensuring efficient and effective software development.
I have experience in collaborating wi...
I learned valuable teamwork and problem-solving skills during my summer internship.
Developed strong collaboration skills by working with a team of software engineers to complete projects
Gained experience in troubleshooting and debugging software issues
Learned to effectively communicate and present technical concepts to both technical and non-technical stakeholders
Improved problem-solving abilities by identifying and re...
Java is an object-oriented language while C is a procedural language.
Java is platform-independent while C is platform-dependent.
Java has automatic garbage collection while C requires manual memory management.
Java has built-in support for multithreading while C requires external libraries.
Java has a larger standard library compared to C.
Java is more secure than C due to its strong type checking and exception handling.
C ...
Pointers are variables that store memory addresses of other variables in programming languages.
Pointers allow direct access and manipulation of memory locations.
They are commonly used in programming languages like C and C++.
Pointers can be used to pass variables by reference, allowing modifications to the original value.
They can also be used to dynamically allocate memory.
Example: int* ptr; // declares a pointer to an
In 5 years, I see myself as a senior software engineer leading a team of developers.
Leading a team of developers
Working on complex projects
Continuing to learn and grow in my role
Contributing to the success of the company
based on 1 interview
Interview experience
Senior Software Engineer
6
salaries
| ₹0 L/yr - ₹0 L/yr |
Cloud Automation Engineer
6
salaries
| ₹0 L/yr - ₹0 L/yr |
Technical Lead
5
salaries
| ₹0 L/yr - ₹0 L/yr |
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3
salaries
| ₹0 L/yr - ₹0 L/yr |
Scrum Master
3
salaries
| ₹0 L/yr - ₹0 L/yr |
TCS
Accenture
Wipro
Cognizant