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麻雀搜索算法SSA(有matlab代码,复制粘贴即可)

致敬开源工作者:他的连接:麻雀搜索算法——Matlab_q7719的博客-CSDN博客_麻雀搜索算法麻雀搜索算法是2020年提出的元启发式算法,算法的具体过程见下面链接https://blog.csdn.net/weixin_43821559/article/details/117355563https://blog.csdn.net/u011835903/article/details/1088

1124 Raffle for Weibo Followers (20 分)

1. 题目 John got a full mark on PAT. He was so happy that he decided to hold a raffle(抽奖) for his followers on Weibo -- that is, he would select winners from every N followers who forwarded his post, and give away gifts. Now you are supposed to help him gen

Laravel 5.8 做个知乎 14 —— 用户关注

1 创建表 php artisan make:migration create_followers_table --create=followers   public function up() { Schema::create('followers', function (Blueprint $table) { $table->bigIncrements('id'); //

1076 Forwards on Weibo

题目来源:PAT (Advanced Level) Practice Weibo is known as the Chinese version of Twitter. One user on Weibo may have many followers, and may follow many other users as well. Hence a social network is formed with followers relations. When a user makes a post o

Study_microblog笔记Part 10--添加关注功能

实现类似于Twitter和其他社交网络的“粉丝”功能。 一、多对多关系。 在粉丝关系中,用户关注其他用户,只有一个用户实体,第二个实体也是用户。 一个类的实例被关联到同一个类的其他实例的关系被称为自引用关系。数据库表关系如下: 二、数据库模型的实现 followers关联表,app/mode

Python爬虫实战,argparse模块,Github用户粉丝数据爬虫

前言 主要目标是爬取Github上指定用户的粉丝数据以及对爬取到的数据进行一波简单的可视化分析。 让我们愉快地开始吧~ 开发工具 Python版本:3.6.4 相关模块: bs4模块; requests模块; argparse模块; pyecharts模块; 以及一些python自带的模块。 环境搭建 安装Python并添加到环境变量,pip

1124 Raffle for Weibo Followers (20 分)

水~。 const int N=1010; string a[N]; unordered_set<string> S; int n,step,idx; int main() { cin>>n>>step>>idx; for(int i=1;i<=n;i++) cin>>a[i]; for(int i=idx;i<=n;) { if(S.count(a[i])) i++;

JMeter之模型层应用和初识Ajax第一篇

https://www.mixcloud.com/Lv1hzF9p9Bj5D91/https://www.mixcloud.com/xX9nF1tz5J9v7j9/https://www.mixcloud.com/s0oWCE0k0iy6iig/https://www.mixcloud.com/P1379RHFRj5Dnf5/https://www.mixcloud.com/9Nfr1j7tdLF7b31/https://www.mixcloud.com/Dxx7L33x7PD7zpd/https://w

SpringMVC结果跳转方式

ModelAndView 设置 ModelAndView 对象 , 根据 view 的名称 , 和视图解析器调到指定的页面 第一种跳转方式 页面: {视图解析器前缀} + viewName + {视图解析器后缀}  <!--视图解析器: 模板引擎 Thymeleaf Freemarker-->   <bean class="org.springframework.web.servle

linux 更新libstdc++.so.6

当在其他机器运行新编译的程序时,若出现以下错误: libstdc++.so.6: version `GLIBCXX_3.4.22' not found 解决方法一: 进入目录/usr/lib/x86_64-linux-gnu/ 执行 cd /usr/lib/x86_64-linux-gnu/ strings ./libstdc++.so.6 | grep GLIBC 弹出以下信息 GLIBCXX_3.4 GLIBCXX_3.4.1

python知识(list列表 for while循环 字典 字符串格式化)

1.快捷键:ctrl +? 注释;ctrl + d 复制一行 2.定义变量,不能以数字开头,不建议用中文,单引号都可以用。a = " let'go " ; a = ' "很帅"  ';a = ''' let'go, "很帅" ''' 3.int:整型;str:字符串;floot:浮点型      ①查看数据类型: print(type()); ②i

1076 Forwards on Weibo

Weibo is known as the Chinese version of Twitter. One user on Weibo may have many followers, and may follow many other users as well. Hence a social network is formed with followers relations. When a user makes a post on Weibo, all his/her followers can v

Laravel Vuejs 实战:开发知乎 (22)关注用户

在vue组件化之前,先解决逻辑上的代码,然后再用vue重构。关于关注用户可以参考:Laravel 6 Tutorial: Build a Follow UnFollow System in PHP from Scratch推荐的扩展包:Laravel 5 Follow SystemLaravel 6 | Follow Unfollow System Example From ScratchLaravel - Follow Unfollow Sys

分布式系统的Raft算法学习笔记

摘取自:  http://mp.weixin.qq.com/s?__biz=MzIyMTQ1NDE0MQ==&mid=2247483979&idx=1&sn=12864382e233fe9b900ab14349404032&chksm=e83dc819df4a410f5959b6922025d317d6c497b7110c4c5d8720fb2b0a70246ce651f9a19e91&mpshare=1&scene=1&srcid=0125HVXp

[ SQLAlchemy ] 关于dynamic的“一知半解”

问题提出: 1.粉丝机制 2.评论的点赞功能 这两个功能分别由User类和Comment类来实现,同样定义了多对多的关系,查询的时候用的方法却大不一样,先看看代码吧。 #### User类的中间表followers = db.Table( 'followers', db.Column('follower_id', db.Integer, db.ForeignKey('user