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智能计算理论:Please write down the procedure of PSO algorithm.
粒子群优化(Particle Swarm Optimization,PSO)算法是一种基于种群的优化算法,灵感来源于鸟群或鱼群的社会行为。下面是PSO算法的一般过程: 初始化粒子群:创建一个粒子群,其中每个粒子表示问题的一个潜在解。在搜索空间内随机初始化粒子的位置和速度。 评估适应度:根据每个粒子的 ......
【题解】#373. 「USACO1.1」Friday the Thirteenth 题解(2023-07-01更新)
# #373. 「USACO1.1」Friday the Thirteenth 题解 ## **[题目传送门](https://qoj.fzoi.top/problem/373)** **欢迎大家指出错误并联系这个蒟蒻** ## 更新日志 - **2023-02-01 17:20 文章完成** - ......
Table flags are 0 in the data dictionary but the flags in file ./ibdata1 are 0x4800!
# 1、问题截图 cat /var/log/mysql/error.log ``` sql 2019-01-28T09:49:57.076019Z 0 [ERROR] [FATAL] InnoDB: Table flags are 0 in the data dictionary but the f ......
Wild Patterns: Ten Years After the Rise of Adversarial Machine Learning---reading
# Wild Patterns: Ten Years After the Rise of Adversarial Machine Learning reading - 攻击目标 - 安全破坏 - 完整性破坏: 逃避检测,而不影响正常的系统运行 - 可用性破坏: 使得合法用户不能正常使用系统 - 隐私 ......
The proxy difference between mitmproxy and fiddle
# Description 1. A bank webside , I can caught the https flows when to use fiddle ; 2. And I caught fail of the https flows when to use mitmproxy , - ......
Educational Codeforces Round 151 F. Swimmers in the Pool
### 一.前言 本来打算打打这个比赛玩玩,结果同学找我打游戏王去了,就没打现场(逃) 因为是一道不错的数学题,来写写补题的题解 这里点名批评 @[HOLIC](https://codeforces.com/profile/HOLlC) 喂给我的假题意,让我查错大半天,最后发现题意错了还重新推了好多 ......
E: Could not open lock file /var/lib/dpkg/lock-frontend - open (13: Permission denied) E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), are you root?
错误: E: Could not open lock file /var/lib/dpkg/lock-frontend - open (13: Permission denied) E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/ ......
Vue3 vite:is a JavaScript file. Did you mean to enable the 'allowJs' option?
描述 今天在vue3+vite下进行打包时,突然vscode报了一个error。 大概的意识是询问是否启用“allowJS”选项,因为该文件在程序内是指定用于编译的根文件。 提示信息已经很明确了,下面从网上摘抄了下什么是 allowJS 选项。 allowJs是1.8中新提供的选项。TypeScri ......
Cross-thread operation not valid: Control 'txtMessage' accessed from a thread other than the thread it was created on.
Winform TextBox Cross-thread operation not valid: Control 'txtMessage' accessed from a thread other than the thread it was created on. (330条消息) 解决Cros ......
CentOS7 开机异常Failed to open /sysroot/etc/fstab:Input 和 mysql无法启动 Ignoring the redo log due to missing MLOG
出现问题,系统进不去; 参考: 亲测有效 https://blog.csdn.net/Nightwish5/article/details/119640728 ......
讲座笔记2:Fairness with Censorship: Bridging the Gap between Fairness Research and Real-world Deployment
Fairness with Censorship: Bridging the Gap between Fairness Research and Real-world Deployment 主讲人:Wenbin Zhang Censorship: 会有信息的缺失 原因: Study ends - n ......
Tips: How to Get the Currently Selected HTML Content in Major Browsers
```js function getSelectionHtml() { const sel = window.getSelection(); if (sel.rangeCount) { var container = document.createElement("div"); for (var i ......
npm install报gyp ERR! stack Error: Can't find Python executable "python", you can set the PYTHON env variable.没有python环境
1 gyp ERR! stack Error: Can't find Python executable "python", you can set the PYTHON env variable. 2 gyp ERR! stack at PythonFinder.failNoPython (/Us ......
mysql: [Warning] Using a password on the command line interface can be insecure.
https://zhuanlan.zhihu.com/p/542166965 ......
java.sql.SQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '}' at line 1
# 问题 报错代码 ``` org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause: java.sql.SQLSyntaxErrorException: You have an err ......
MySqlException(0x80004005) Reading from the stream has failed 远程主机强迫关闭了一个现有的连接
不同客户端电脑连接服务器数据库,通过navicat管理工具可以正常连上,但是通过程序连接提示MySqlException(0x80004005) Reading from the stream has failed 远程主机强迫关闭了一个现有的连接(注意:部分电脑通过程序也是可以正常连接服务器数据库 ......
Hack The Box-Starting Point-Crocodile
## 答案: 1. 任务1:What Nmap scanning switch employs the use of default scripts during a scan? `-sC` ![image](https://img2023.cnblogs.com/blog/1367845/2023 ......
gdb.exe: warning: Couldn't determine a path for the index cache directory.
GDB 调试中出现的警告 D:\\gitee\\luatos-soc-2022\\out\\example_copy> arm-none-eabi-gdb example.elf C:\\SysGCC\\bin\\arm-none-eabi-gdb.exe: warning: **Couldn't ......
【GiraKoo】VS提示Some bytes have been replaced with the Unicode substitution character
# 【问题解决】VS提示Some bytes have been replaced with the Unicode substitution character VS提示Some bytes have been replaced with the Unicode substitution char ......
Hack The Box-Starting Point-Sequel
## 答案 1. 任务1:During our scan, which port do we find serving MySQL? `3306` ![image](https://img2023.cnblogs.com/blog/1367845/202306/1367845-20230628121 ......
Mysql用户建立触发器报错You do not have the SUPER privilege and binary logging is enabled
分析原因:是log_bin_trust_function_creators值为off导致,因为Table中有Trigger,如果不创建Trigger,不会出现这样的错误信息,但Trigger必须创建临时解决办法:用root用户登录: mysql -u root -pmysql>set global ......
has been blocked by CORS policy: The request client is not a secure context and the resource is ...
该报错原因为:Chrome浏览器禁止外部请求访问本地,被CORS策略阻止解决方案:1、打开chrome的设置: chrome://flags/#block-insecure-private-network-requests2、将 Block insecure private network requ ......
Hack The Box-Starting Point-Appointment
## 答案 1. 任务1:What does the acronym SQL stand for? `Structured Query Language` ![image](https://img2023.cnblogs.com/blog/1367845/202306/1367845-2023062 ......
Vue报错之 Property or method "XXX" is not defined on the instance but referenced during render
原因1:真的没定义, 原因2:定义了,但是需要检查大小写是否一致 ......
SAP Restful ABAP Programming 和 HTML Over the wire 的一些对比
Restful ABAP Programming(简称RAP)旨在找到 SPA 和 MPA 之间的`最佳平衡点`。 RAP 丰富了 JSON 本身或初始 OData 请求的元数据中的响应,并且视图和模型是先前在 CDS 中定义的后台 annotation: ![](https://img-blog. ......
HTML Over the wire 框架和单页面应用的区别
HTML Over the wire 方法包括类似于多页面应用程序 (MPA) 的服务器端渲染 (SSR)。 然而,在初始请求之后,浏览器仅通过 AJAX 异步检索 HTML 片段,因此整个页面不再重新渲染。 与单页应用程序 (SPA) 不同,服务器还处理应用程序的逻辑和状态: [图片] 单页面应用 ......
HTML Over the wire 框架 Unpoly 和 React 的使用场合比较
Unpoly 是一个轻量级的 JavaScript 框架,它允许您通过 HTML over the wire 的方式进行 Web 应用程序开发。HTML over the wire 是一种网络通信模式,它将由服务器生成的 HTML 片段作为响应发送给客户端,而不是传统的 JSON 数据。这样,服务器 ......
[LeetCode] 2485. Find the Pivot Integer
Given a positive integer n, find the pivot integer x such that: The sum of all elements between 1 and x inclusively equals the sum of all elements bet ......
HTML Over the wire 的代表框架 hotwire 介绍
HTML over-the-wire作为一种更直接的创建Web应用程序的方式而不需要使用太多JavaScript,已经逐渐流行起来。它通过“html over the wire”的思路,发送HTML而不是JSON来实现。 现在,一种名为Unpoly的“非侵入式JavaScript框架”出现,成为Ba ......
什么是 HTTP Over the wire
我们可以通过在服务器上生成HTML,并将其(在一些帮助下)直接传递到浏览器,来编写快速、现代、响应式的Web应用程序。这种思路不需要将JSON作为中间格式。不需要客户端MVC框架。不需要复杂的捆绑和转译流程。但是我们需要换一种思考方式。 因为过去十年左右的Web开发主流故事一直是 `JavaScri ......