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Smart pointers are objects that store a pointer to dynamically allocated memory and provide automatic memory management.
Smart pointers help prevent memory leaks by automatically releasing memory when the pointer is no longer needed.
Examples include unique_ptr, shared_ptr, and weak_ptr in C++.
unique_ptr is used for exclusive ownership, shared_ptr for shared ownership, and weak_ptr to break circular references.
A lambda function is a small anonymous function defined in a single line of code without a name.
Lambda functions are often used in programming languages that support functional programming.
They are commonly used for short, simple operations that do not require a named function.
Lambda functions can take any number of arguments but can only have one expression.
Example: lambda x: x*2 defines a lambda function that doubles
Threading is a way for a program to split itself into multiple simultaneous tasks.
Threading allows for parallel execution of tasks within a program.
Each thread has its own stack and runs independently of other threads.
Threads can communicate with each other and share resources.
Example: A web server handling multiple client requests concurrently using threads.
Lambda function is an anonymous function in programming that can have multiple parameters and can be used as an argument to other functions.
Lambda functions are also known as anonymous functions because they do not have a name.
They are often used for short, one-time tasks that do not require a separate function definition.
Lambda functions can take multiple parameters and return a single value.
Example: lambda x, y: x + ...
I applied via Company Website and was interviewed in Jun 2024. There were 2 interview rounds.
Hackerrank assesment
I applied via Referral and was interviewed before Feb 2023. There were 2 interview rounds.
A code to reverse a phrase by splitting it into words and reversing the order of the words.
Split the phrase into an array of words using a space as the delimiter
Reverse the order of the words in the array
Join the words back together with spaces in between
I applied via Approached by Company and was interviewed before Aug 2021. There were 3 interview rounds.
posted on 28 Jun 2024
Constructors are special methods in a class that are used to initialize objects of that class.
Constructors have the same name as the class they belong to.
They are called automatically when an object is created.
Constructors can have parameters to initialize object properties.
Example: public class Car { public Car(String color) { this.color = color; }}
Design patterns in C++ are reusable solutions to common problems in software design.
Design patterns help in creating flexible, maintainable, and scalable code.
Examples of design patterns in C++ include Singleton, Factory, Observer, and Strategy.
Each design pattern has its own purpose and can be applied in different scenarios.
Understanding design patterns can improve code quality and efficiency.
posted on 16 Oct 2024
posted on 1 Jun 2024
posted on 12 Sep 2024
Preprocessing raw data involves cleaning, transforming, and organizing data to make it suitable for analysis.
Remove any irrelevant or duplicate data
Handle missing values by imputation or deletion
Normalize or standardize numerical data
Encode categorical variables using techniques like one-hot encoding
Feature scaling for machine learning algorithms
Perform text preprocessing like tokenization and stemming
Specify the existing solution by documenting its architecture, components, technologies used, and any modifications made.
Document the architecture of the solution, including high-level components and their interactions
List the technologies used in the solution, such as programming languages, frameworks, and databases
Describe any modifications or customizations made to the existing solution
Include any performance metric...
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