~lobsters | Bookmarks (10)

Character descriptions: The novice: New to programming, eager to improve his software development skills, he is always curious and eager to learn. The master: With over 20 years in software development, he is proficient in many programming languages and has software engineering experience that few can match. He is e...

Say you have a program that does some processing of a list (loosely based on a work-in-progress project): #!/usr/bin/env python3 def log(repo_name, *args): print(f"{repo_name}:", *args) def randsleep(): import random import time time.sleep(random.randint(1, 5)) def func(repo_name): log(repo_name, "Starting") randsle...

I was asked (again) today to explain why integer division in Python returns the floor of the result instead of truncating towards zero like C. For positive numbers, there's no surprise: >>> 5//2 2 But if one of the operands is negative, the result is floored, i.e., rounded away from zero (towards negative infinity):...

Ever since I learned Erlang, and then Elixir, I suffered from “Erlang envy”. A few years ago, I made this project to try to mimic the OTP framework using Python and the Trio async library (IMHO, better alternative to asyncio). Recently, for work, I had to write some Python project that needed multiple isolated components that interacted through message-passing. I reused the patterns I...