BestHub
Sign in
Tagged articles
3 articles
Page 1 of 1
Python Programming Learning Circle
Python Programming Learning Circle
Oct 27, 2020 · Backend Development

Instagram’s Migration from Python 2 to Python 3: Challenges, Solutions, and Performance Gains

This article details how Instagram migrated its massive Python 2/Django codebase to Python 3, describing the motivations, technical obstacles such as Unicode, pickling, iterator changes, the tools and strategies used, and the resulting CPU, memory, and latency improvements across billions of users.

Backend EngineeringDjangoPython
0 likes · 18 min read
Instagram’s Migration from Python 2 to Python 3: Challenges, Solutions, and Performance Gains
MaGe Linux Operations
MaGe Linux Operations
Jun 4, 2019 · Fundamentals

10 Common Python Pitfalls Every Developer Should Avoid

This article explains ten subtle Python pitfalls—including UnboundLocalError, mutable default arguments, the difference between x += y and x = x + y, tuple syntax, list‑of‑lists initialization, modifying a list while iterating, closure‑late binding with lambdas, __del__ interactions with garbage collection, inconsistent module imports, Python‑2‑to‑3 migration quirks, and the Global Interpreter Lock—providing clear examples and recommended fixes.

Pitfallsclosuresmutable-default-args
0 likes · 12 min read
10 Common Python Pitfalls Every Developer Should Avoid