But what is Python and why is it the language of choice by many DevOps engineers? Python是什么?为什么这么多的开发运维工程师选择Python? 下面是来自PSF(The Python Software Foundation)的一段解释: Python is an interpreted, object-oriented, high-level programming language with dynamic
记得以前写爬虫的时候为了防止dns多次查询,是直接修改/etc/hosts文件的,最近看到一个优美的解决方案,修改后记录如下: import socket _dnscache={} def _setDNSCache(): """ Makes a cached version of socket._getaddrinfo to avoid subsequent DNS requests. """ def _getaddrinfo(*args, **