Python

import redis def hash_func(key): # 哈希函数的实现 hash_value = 0 for c in key: hash_value += ord(c) print(c) print( […]

import json from rocketmq.client import Producer from rocketmq.client import Message # 初始化生产者 producer = Pro […]

# pip install redis from redis import Redis from redis import ConnectionPool def init01(): """ […]

import pika # 连接到RabbitMQ服务器 credentials = pika.PlainCredentials('xxxxxxxxxxxxxxxxx==', 'xxxx […]

import pika import time # 连接到RabbitMQ服务器 credentials = pika.PlainCredentials('xxxxxxxxxxxxxxx==', […]

# 使用数据分析综合案例中的两张数据表的数据使用python写入数据库 # CREATE DATABASE py_sql CHARSET utf8; # CREATE TABLE orders(order_date […]

# pip install pymongo from pymongo import MongoClient # 假设你的MongoDB集群地址是 "mongodb://user:password@host1 […]

# python emqx 消息消费者 import paho.mqtt.client as mqtt # MQTT Broker 地址和端口 broker_address = "xxx.xxxxx.com […]

# python emqx 消息生产者 import time import random import uuid import paho.mqtt.client as mqtt # MQTT Broker地址和端口 […]

Python asyncio 异步案例 import asyncio # import nest_asyncio # nest_asyncio.apply() # 定义一个异步函数 async def greet(n […]

# -*- coding: utf-8 -*- import paramiko import threading import logging as logger logger.basicConfig(level=l […]

from sqlalchemy import create_engine from sqlalchemy.ext.declarative import declarative_base from sqlalchemy […]

""" 权限管理系统的设计 1. 登陆、注册、找回密码 2. 权限管理 3. 角色管理 4. 角色分配权限 5. 动态显示当前登陆用户权限菜单 """ fr […]

from minio import Minio from minio.error import (ResponseError, BucketAlreadyOwnedByYou, BucketAlreadyExists […]

import time import threading from dbutils.pooled_db import PooledDB import pymysql from threading import Thr […]

def remove_duplicates(file_path): lines = [] with open(file_path, 'r',encoding='utf-8') […]