backon is a modern evolution of backoff — a zero-dependency Python library for retry with exponential backoff. It provides decorator, functional, and context manager APIs for both sync and async code.

作者 | 彭子玲一句话核心：本文揭示了一个被忽略的行业真相：API 厂商的定价策略利用了客户无法精确计算利用率的认知不对称。“自建更便宜”这个共识成立的前提是利用率>52%，但绝大多数人不知道自己利用率是多少。我帮一家月流水 $50 万的 AI ...

Python remains the leading programming language, and project-based learning helps developers build practical skills in AI, cloud systems, automation, cybersecurity, and real-world software development ...