Just4test

from collections import deque #deque是一个实现了双端栈的list，popleft和appendleft。

def battle(bf, l=None, r=None):
#  print('====================')    
  l = l or deque()
  r = r or deque()
  
  temp = deque()
  i = 0
  _len = len(bf)

Just4test

docker run --rm -ti bitnami/kafka bash

ZOOKEEPER_SERVER=localhost:2181
BOOTSTRAP_SERVER=localhost:9092
TOPIC_NAME=test

# 列出Topic
kafka-topics.sh --zookeeper $ZOOKEEPER_SERVER --list
kafka-topics.sh --zookeeper z-1.deleteme2.uhawi6.c3.kafka.cn-northwest-1.amazonaws.com.cn:2181 --list

Just4test

from aws_cdk import (
  aws_ec2,
  aws_iam,
  aws_eks,
  aws_elasticache,
  aws_msk,
  core,
)
import os

Just4test

# 清除所有REPOSITORY和TAG都为<none>的镜像
docker image prune

# 清除所有TAG为<none>的镜像
docker rmi $(docker images | grep ' <none>' | awk '{print $3}')

Just4test

import os
import boto3
import json
import traceback

client = boto3.client('ssm')

def get(name):
  value = os.environ.get(name, '')
  if value.find('ssm:') != 0:

Just4test

#!/usr/bin/env bash

TEMPLATE=docker-compose.template.yaml
OUTPUT=result.yaml

cat $TEMPLATE |
sed "s/[	'\"#]/\\\\&/g" | # 为各类控制字符加反斜杠前缀
sed 's/  /\\ \\ /g' | # 为两个连续空格加反斜杠前缀。这是为了避免给单引号包裹的单个空格也加上反斜杠
while read -r line;do
    eval echo "${line}"