How do I manage dependencies with requirements.txt and modern alternatives?
· Python Programming
Track and install Python dependencies with requirements.txt, pip-tools, poetry, and uv for reproducible builds.
Category: Python Programming
97 questions in Python Programming.
How do I create and manage virtual environments in Python?
· Python Programming
Isolate project dependencies with Python virtual environments using venv, virtualenv, and conda.
How do I run tasks in parallel with concurrent.futures?
· Python Programming
Execute CPU-bound and I/O-bound work in parallel using ThreadPoolExecutor and ProcessPoolExecutor.
How do I introspect Python objects with getattr, hasattr, and dir?
· Python Programming
Inspect and manipulate objects dynamically using Python's built-in introspection tools.
How to implement singleton pattern in Python
· Python Programming
Create a single instance of a class using metaclasses, decorators, or new method overrides.
How does memory management and garbage collection work in Python?
· Python Programming
Understand Python's reference counting, garbage collector, and tips for managing memory in long-running apps.
How do abstract base classes and protocols enforce interfaces in Python?
· Python Programming
Define formal interfaces with ABCs and structural subtyping with typing.Protocol in Python.
How do I use itertools for efficient iteration in Python?
· Python Programming
Build memory-efficient iterators and combinatorial logic with Python's itertools module.
How do dataclasses simplify class definitions in Python?
· Python Programming
Reduce boilerplate with Python dataclasses for automatically generated __init__, __repr__, and comparison methods.
How do type hints and static type checking work in Python?
· Python Programming
Improve code clarity and catch bugs early with Python type hints, mypy, and the typing module.