TIL

Implement automatic attribute delegation in Python composition using __getattr__ magic method for inheritance-like attribute access patterns.

Why executable scripts shouldn't have extensions. Learn GitHub's scripts-to-rule-them-all pattern for language-agnostic project automation.

Validate subclass schemas at definition time with Python's __init_subclass__ hook, a cleaner alternative to metaclasses for enforcing structure.

Integrate tqdm progress bars with multiprocessing.imap_unordered for visual feedback on parallel task execution across worker processes.

Replace which with command -v for POSIX-compliant executable lookup. Learn why command -v is the portable alternative for finding program paths.

Prevent shell commands from executing immediately when pasting. Use curly braces to safely paste multi-line commands with hidden newline characters.

Enable Bash strict mode with set -euo pipefail to catch errors early. Exit on failures, treat unset variables as errors, and handle pipeline failures properly.