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10 Jan, 2025
Most Frequently asked Python 3.x Interview Questions for Hiring Python Engineers
The Global Interpreter Lock (GIL) is a mutex (short for mutual exclusion) that allows only one thread to execute Python bytecode at a time, even on multi-core systems. It is an important feature of the CPython implementation of Python, which is the most widely used Python interpreter.
10 Jan, 2025
Most Frequently asked Python 3.x Interview Questions
A lambda function in Python is a small, anonymous function defined using the lambda keyword. Unlike a regular function defined with the def keyword, a lambda function can have any number of arguments but can only contain a single expression. The result of the expression is automatically returned by the lambda function.
10 Jan, 2025
Must-Know Objective-C Interview Questions and Answers(2025)
In Objective-C (specifically in UIKit), both frame and bounds are properties used to define the position and size of UIView objects, but they are used in different contexts. Understanding their difference is crucial for proper layout management and positioning of UI elements.
10 Jan, 2025
Must-Know Objective-C Interview Questions and Answers
In Objective-C, @selector is a compiler directive used to represent a selector, which is a type that refers to the name of a method. A selector is essentially a way to refer to a method by its name so that it can be called dynamically during runtime. It is frequently used in contexts like message sending, target-action patterns, and performing selectors.
10 Jan, 2025
Objective-C Interview Questions and Answers(2025)
Method swizzling is an advanced feature in Objective-C that allows you to dynamically change the implementation of a method at runtime. It is a powerful tool that is primarily used for modifying or extending the behavior of existing methods in classes, including system classes or classes for which you don't have the source code.
10 Jan, 2025
Objective-C Interview Questions
Memory management in Objective-C is crucial for ensuring that an application does not leak memory (by failing to release unused objects) or crash (by accessing deallocated objects). Objective-C uses a reference counting model to manage memory, and over the years, this has evolved with the introduction of Automatic Reference Counting (ARC).
10 Jan, 2025
Python 3.x Interview Questions and Answers (2025)
Python generators are a powerful feature that allows for lazy evaluation of sequences. They enable you to iterate over potentially large data sets without loading the entire sequence into memory. This is especially useful when dealing with large amounts of data or when you want to implement efficient and memory-conserving algorithms.
10 Jan, 2025
Python 3.x Interview Questions for Hiring Python Engineers
The with statement in Python is used to simplify exception handling and ensure that certain resources are properly managed, such as files, network connections, or database connections. It is often used in conjunction with context managers, which are objects that define the behavior of the with statement.
10 Jan, 2025
Python 3.x Interview Questions and Answers
List comprehensions in Python provide a concise and readable way to create lists. They allow you to generate a new list by applying an expression to each item in an existing iterable (like a list, tuple, or range). The syntax is more compact than traditional loops, making your code cleaner and often more efficient.
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