windard

#!/bin/bash
#
msg1='$'
echo "Shell本身的PID（ProcessID）"
printf "The ${msg1}$ is %s\n" "$$"

echo "Shell最后运行的后台Process的PID"
printf "The ${msg1}! is %s\n" "$!"

echo "最后运行的命令的结束代码（返回值）"

windard

# coding=utf-8


def catch_retry(times):
    def inner(func):
        def wrapper(*args, **kwargs):
            for _ in range(times):
                try:
                    return func(*args, **kwargs)
                except Exception as e:

windard

# -*- coding: utf-8 -*-

import string
import geohash


base32_string = (string.digits + string.lowercase) \
    .replace('a', '').replace('i', '').replace('o', '').replace('l', '')

windard

# -*- coding: utf-8 -*-

import struct
import ipaddress


def ip2hex(ip, encoding='utf-8'):
    if type(ip) in [bytes, str]:
        ip = ip.decode(encoding)
    elif type(ip) not in [unicode]: