#python

4 days ago 75

Python Programming

Python Background Jobs: Celery, RQ, Dramatiq, and APScheduler Compared

An honest comparison of Python background job tools Celery, RQ, Dramatiq, and APScheduler their models, strengths, and trade-offs, plus a decision guide and the operational basics every queue needs.

1 week ago 106

Python Programming

FastAPI in 2026: Building Production APIs with Python 3.14

A production blueprint for FastAPI on Python 3.14 scalable project structure, Pydantic request/response contracts, dependency injection, honest async, queues, testing, and deployment worker model.

1 week ago 98

Python Programming

Free-Threaded Python Explained: Is the GIL Finally Going Away?

A clear, hype-free explanation of free-threaded (no-GIL) Python what the GIL is, what removing it does and does not change, the single-thread and C-extension trade-offs, and how to evaluate it.

1 week ago 247

Python Programming

Python 3.14 for Real Projects: Free Threading, JIT, t-Strings, and Zstandard

What actually matters in Python 3.14 for production officially supported free-threaded builds, the experimental JIT, t-strings for safe interpolation, stdlib Zstandard, and a low-risk adoption plan.

1 month ago 50

Python Programming

Python Type Hints for Beginners: Code That Explains Itself

Lesson 10: make Python explain itself with type hints: annotations, typed collections, unions with None, type aliases, and a type checker that finds bugs before you run anything.

1 month ago 58

Python Programming

Testing Python Code with pytest: From First Assert to Real Projects

Lesson 13: prove your code works with pytest: asserts, test discovery, world-class failure reports, parametrize for edge cases, raises and tmp_path, and the red-green-refactor rhythm, with a runnable micro test suite.

1 month ago 63

Python Programming

Python Iterators and Generators: Lazy Evaluation Done Right

Lesson 9: the machinery behind every for loop, then generators with yield, lazy generator expressions, infinite sequences, and constant-memory data pipelines, finished with a log analyzer project.

1 month ago 74

Python Programming

Python Modules, Packages, and a Standard Library Tour

Lesson 8: imports demystified, your own modules and packages, pip and virtual environments, then a working tour of math, random, datetime, Counter, defaultdict, and pathlib, ending in a file organizer project.

1 month ago 64

Python Programming

Python Exceptions and File Handling: Code That Survives Bad Input

Lesson 7: write Python that survives bad input: tracebacks, try/except done right, raising custom exceptions, and safe file reading and writing with the with statement, practiced on messy data.

1 month ago 85

Python Programming

Object-Oriented Python: Classes, Inheritance, and Dataclasses

Lesson 6: object-oriented Python without the fear: classes, __init__ and self, dunder methods, inheritance versus composition, and modern dataclasses, with an inventory project in the playground.