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Mirabel Technologies
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Premises are the foundational statements or assumptions on which an argument is based.
Premises are the starting points of a logical argument.
They are used to support a conclusion.
Premises can be true or false, and the validity of the argument depends on the truth of the premises.
For example, in the argument 'All humans are mortal. Socrates is a human. Therefore, Socrates is mortal.', the premises are 'All humans are mo
Oops concepts are the fundamental principles of object-oriented programming, including inheritance, polymorphism, encapsulation, and abstraction.
Inheritance: Allows a class to inherit properties and behavior from another class.
Polymorphism: Allows objects to be treated as instances of their parent class or their own class.
Encapsulation: Bundles data and methods into a single unit, preventing direct access to data from ...
I was interviewed before Feb 2024.
Developed a web application for managing inventory and sales for a retail store.
Used React.js for the frontend and Node.js for the backend
Implemented user authentication and authorization using JWT tokens
Integrated with a MySQL database to store product and sales data
Developed a full-stack application for a startup, increasing user engagement by 30%.
Created a responsive web application using React and Node.js
Implemented real-time chat feature using Socket.io
Optimized database queries for faster performance
Top trending discussions
I was interviewed in Mar 2021.
Quantitive Aptitude, General programming,oops
GK, Quantitative Aptitude
C# Fundamentals , ADO.NET,LINQ
Frequent changes in technology are driven by advancements, market demands, and user feedback.
Advancements in technology lead to new tools and frameworks being developed.
Market demands require companies to adapt quickly to stay competitive.
User feedback helps improve products and services, leading to updates and changes.
Examples: Introduction of new programming languages like Swift, shift towards cloud computing, update...
Roll is a term used in web development to describe the process of deploying code changes to a live server.
Rolling back changes means reverting to a previous version of the code.
Rolling forward means applying new changes to the live server.
Rolling deployments involve gradually updating servers in a controlled manner to minimize downtime.
Automated rollbacks can be triggered in case of errors or issues during deployment.
posted on 4 Sep 2024
I am a passionate Full Stack Developer with experience in building web applications using various technologies.
Experienced in front-end technologies like HTML, CSS, JavaScript, and frameworks like React and Angular
Proficient in back-end technologies like Node.js, Express, and databases like MongoDB and SQL
Familiar with version control systems like Git and deployment tools like Heroku
posted on 19 Mar 2024
I applied via Recruitment Consulltant and was interviewed in Sep 2023. There was 1 interview round.
posted on 9 Sep 2020
I applied via Naukri.com and was interviewed in Aug 2020. There were 3 interview rounds.
Python compiles source code to bytecode for faster execution, stored in .pyc files.
Python interpreter compiles source code to bytecode before execution
Bytecode is platform-independent and faster to execute than source code
Compiled bytecode is stored in .pyc files for future use and faster startup time
If source code is modified, .pyc files are automatically recompiled
Django life cycle involves request processing, URL routing, view function execution, template rendering, and response generation.
When a request is made, Django checks the URL patterns defined in urls.py file.
If a match is found, the corresponding view function is executed.
The view function processes the request and returns a response.
The response is rendered using a template, if applicable.
The final response is sent ba
Ownership of the project approach refers to taking responsibility for the project's success and making decisions accordingly.
The owner of the project approach should have a clear understanding of the project's goals and objectives.
They should be able to make informed decisions about the project's direction and prioritize tasks accordingly.
The owner should also be accountable for the project's success or failure and be ...
Difference between sort and sorted, dump vs dumps, load vs loads etc.
sort() is a method of list object while sorted() is a built-in function
dump() serializes an object to a file while dumps() serializes to a string
load() deserializes an object from a file while loads() deserializes from a string
Design patterns are reusable solutions to common problems in software design.
Design patterns provide a structured approach to solving design problems.
Python has several design patterns such as Singleton, Factory, Observer, etc.
Each design pattern has its own purpose and usage.
Design patterns promote code reusability, maintainability, and scalability.
Understanding design patterns helps in writing cleaner and more effici
Data structures in Python: dict, tuple, list, set, string
dict: unordered collection of key-value pairs
tuple: ordered, immutable collection of elements
list: ordered, mutable collection of elements
set: unordered collection of unique elements
string: ordered collection of characters
I have used multiple python modules for various purposes.
I have used NumPy for numerical computations.
I have used Pandas for data analysis and manipulation.
I have used Matplotlib for data visualization.
I have used Flask for web development.
I have used Requests for making HTTP requests.
I have used BeautifulSoup for web scraping.
I have used Scikit-learn for machine learning tasks.
I have used TensorFlow for deep learning
Yes, but only if the list is immutable.
Lists are mutable and cannot be used as dict keys.
Tuples are immutable and can be used as dict keys.
If a list needs to be used as a key, it can be converted to a tuple.
List slices are a way to extract a portion of a list by specifying start and end indices.
List slices are denoted by using square brackets with start and end indices separated by a colon.
The start index is inclusive and the end index is exclusive.
If the start index is omitted, it defaults to 0. If the end index is omitted, it defaults to the length of the list.
Negative indices can be used to count from the end of the li...
Lambda functions are anonymous functions that can be passed as arguments to other functions.
Lambda functions are also known as anonymous functions because they don't have a name.
They are often used as arguments to higher-order functions like map, reduce, and filter.
Map applies a function to each element of an array and returns a new array with the results.
Reduce applies a function to the elements of an array and return...
Python uses automatic memory management through garbage collection.
Python uses reference counting to keep track of objects in memory.
When an object's reference count reaches zero, it is deleted by the garbage collector.
Python also uses a cyclic garbage collector to detect and delete objects with circular references.
Memory can be managed manually using the ctypes module.
Python's memory management is efficient and transp
GIL stands for Global Interpreter Lock, which is a mechanism used in CPython to ensure thread safety.
GIL is a mutex that allows only one thread to execute Python bytecode at a time.
It is necessary because CPython's memory management is not thread-safe.
GIL can cause performance issues in CPU-bound multi-threaded applications.
However, it does not affect I/O-bound or multi-process applications.
Alternative Python implement...
Threading in Python allows multiple threads of execution to run concurrently within a single process.
Python's threading module provides a way to create and manage threads.
Threads share the same memory space and can access the same variables and data structures.
Threading can improve performance for I/O-bound tasks, but not for CPU-bound tasks.
Python's Global Interpreter Lock (GIL) limits true parallelism in multi-thread...
It was easy to crack ill rate 2/5
It was a short coding round pretty easy
It was a long coding round i couldn't crack it
posted on 16 May 2023
I was interviewed in Apr 2023.
I am a fullstack developer with expertise in front-end and back-end technologies.
Proficient in HTML, CSS, JavaScript, and frameworks like React and Angular
Skilled in server-side programming languages like Node.js and Python
Experience in working with databases like MySQL and MongoDB
Familiar with version control systems like Git
Strong problem-solving and debugging skills
Ability to work in both individual and team environ
Python testing is a process of verifying the functionality of code. Unittest is a built-in testing framework in Python.
Python testing is done to ensure that the code is working as expected.
Unittest is a testing framework that comes with Python's standard library.
It provides a set of tools for constructing and running tests.
Tests are written as methods within a class that inherits from unittest.TestCase.
Assertions are u...
Authentication is the process of verifying the identity of a user or system.
It ensures that only authorized users have access to a system or application.
Authentication can be achieved through various methods such as passwords, biometrics, and two-factor authentication.
Examples of authentication include logging into a social media account or accessing a secure building with an ID card.
Authentication is often used in con...
Decorators are functions that modify the behavior of other functions or classes without changing their source code.
Decorators are denoted by the '@' symbol in Python.
They can be used to add functionality to a function or class, such as logging or timing.
Decorators can also be used to create class decorators, which modify the behavior of a class.
Examples of decorators include @staticmethod, @classmethod, and @property i...
Angular test cases are automated tests written to ensure the functionality of Angular applications.
Angular test cases are written using testing frameworks like Jasmine and Karma.
They test the components, services, and modules of an Angular application.
Test cases can be run automatically during development or deployment to catch errors early.
Examples of test cases include checking if a component renders correctly, if a ...
Idempotent in REST API means multiple identical requests have the same effect as a single request.
Idempotent operations can be safely retried without causing unintended effects.
GET, PUT, and DELETE methods are idempotent, while POST method is not.
For example, sending the same DELETE request multiple times will have the same effect as sending it once.
Idempotency is important for ensuring data consistency and preventing
Program to find frequency of characters in a string using Java stream.
Convert the string to a character array using toCharArray() method.
Create a stream of characters using Arrays.stream() method.
Use Collectors.groupingBy() method to group the characters by their frequency.
Use Collectors.counting() method to count the frequency of each character.
Store the result in a Map
Print the result using forEach(
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