Java图书管理系统,课程设计必用(源码+文档)
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Java实现多线程局域网聊天室
package TCP;import java.io.IOException;import java.io.InputStream;import java.net.ServerSocket;import java.net.Socket;import java.util.Scanner;public class TCPserver2 { public s
(七) Spring学习总结
package com.xxx.pojo;/** * @author shkstart * @create 2021-06-11 17:45 */import java.util.*;/** *@program: Spring_study *@description: *@author: XieXianXin *@create:
文档扫描OCR识别-1(python)
工具包导入import numpy as npimport cv212函数设定# 四边形坐标求解def order_points(pts):# 一共4个坐标点rect = np.zeros((4, 2), dtype = "float32")# 按顺序找到对应坐标0123分别是 左上,右上,右下,左下# 计算左上,右下s = pts.sum(axis = 1)rect[0] =
代码实践——Faster R-CNN
"""Faster rcnn实现目标检测"""import osimport timeimport torchimport torchvision.transforms as transformsimport torchvisionfrom PIL import Imagefrom matplotlib import pyplot as
java8LinkedList源码阅读解析
/** * Constructs an empty list. */ public LinkedList() { } /**  
Python计算机视觉——Harris角点检测
新建文件Harris_Detector.pyfrom pylab import *from numpy import *from scipy.ndimage import filtersdef compute_harris_response(im,sigma=3): """ Compute the Harris corne
Django(47)drf请求生命周期分析
@classmethoddef as_view(cls, **initkwargs): """ Store the original class on the view function. This allows us to dis
python LAADS+Selenium下载MODIS数据
from selenium import webdriverfrom time import sleepimport tempfileimport os,sysimport pandas as pdimport geopandas as gpdimport time# 构建查询地址def GetURL(ProductID,StartTime,EndTime,search_file): &
基于Pytorch实现猫狗分类
from __future__ import print_function, divisionfrom PIL import Imagefrom torchvision import transformsimport torch.nn.functional as Fimport torchimport torch.nn as nnimport torch.nn.parallel# 定义网络clas
Python ------ 一起来对网格做下回测
max_consume_money = consume_moneyfor day_up_down in data.index: open = data.loc[day_up_down].values[0] high = data.loc[day_up_down].values[1] &
一文解决scrapy带案例爬取当当图书
# Scrapy settings for demo1 project## For simplicity, this file contains only settings considered important or# commonly used. You can find more settings consulting the documentation:## &n
小小演练(hydra&burpsuite&pywifi)
from tkinter import *from tkinter import ttkimport pywififrom pywifi import constimport timeimport tkinter.filedialogimport tkinter.messageboxclass MY_GUI:def __init__(self,windows):self.init_window_n
Dubbo 路由规则之标签路由
/** * * 标签路由 * * @author liyong * @date 4:48 PM 2020/11
Redis知识体系总结(2021版)
2、五大数据类型代码实例package com.guor.redis;import redis.clients.jedis.Jedis;import java.util.List;import java.util.Set;public class JedisTest01 { public static void main(String[] args)
工具类 :@RequestMapping 路由注解
// 自定义分发注解@Target({ElementType.TYPE, ElementType.METHOD})@Retention(RetentionPolicy.RUNTIME)@Documentedpublic @interface RequestRouter { String[] value() default "";}p
Java集合源码分析(十四):TreeMap
删除一个元素我们看看java代码是怎么实现的:public V remove(Object key) { // 先用二分法获取这个元素,如果为null,不需要继续了 Entry<K,V> p = getEntry(key); if (p == nul
关于MyBatis框架这一篇就够了
public class IUserDaoTest { private InputStream in; private SqlSession sqlSession; private IUserDao userDao;  
python实现一个无界面的小型图书管理系统
# -*- coding: utf-8 -*-"""=============================== @Time : 2021/5/18 15:56@Author : flora.chen@FileName: handle_mysql.py@Software: PyCharm================
ubuntu16 zabbix 相关配置
#! /usr/bin/env pythonimport smtplibimport sysfrom email.mime.text import MIMETextfrom email.mime.application import MIMEApplicationfrom email.mime.multipart import MIMEMultipartclass SendEMail(object