react learn road the
UDPG and Lung Cancer Metastasis: Unraveling the Relationship
Lung cancer is one of the malignant tumors with fast-growing morbidity and mortality and the worst prognosis. The development of molecular biology and... ......
react之自定义hooks
原文合集地址如下，有需要的朋友可以关注 [本文地址](https://mp.weixin.qq.com/s?__biz=MzI5MjY4OTQ2Nw==&mid=2247484285&idx=1&sn=1d83bd724834db70b14f9a65d46b3ec0&chksm=ec7cc029db ......
【转】python踩坑（FileNotFoundError: Could not find module '此处省略了一些路径win_amd64.dll' (or one of its dependencies). Try using the full path with constructor syntax.）
1、报错 （FileNotFoundError: Could not find module '此处省略了一些路径\site-packages\scipy\.libs\libbanded5x.GL5FZ7Y77HIKQFNMZKUOMV5GID6YMX2V.gfortran-win_amd64.dl ......
react-native项目启动报错 Error: `fsevents` unavailable (this watcher can only be used on Darwin)
react-native项目启动报错——watchman安装问题(mac pro) Looking for JS files in /Users/你的名称/Documents/project/文件夹名 Loading dependency graph.../Users/你的名称/Documents/ ......
在Vscode使用命令npm报错-The operation was rejected by your operating system. npm ERR! It's possible that the file was already in use (by a text editor or antivirus)
##报错信息: PS D:\disk\xubo\个人博客文章\27-Vue\资料（含课件）\vuedemo\vueproject> npm i pubsub-js npm ERR! code EPERM npm ERR! syscall open npm ERR! path D:\disk\soft ......
react项目webpack打包图片名去除hash
环境： node -v v16.16.0 1、露出webpack配置文件： yarn run eject 如果git报错，请执行 git add . git commit -m 'ddd' 再执行yarn run eject 2、执行完上一步后，项目会新增一个config文件夹 修改config\w ......
【每日一题】Problem 289B. Polo the Penguin and Matrix
[原题](https://codeforces.com/problemset/problem/289/B) #### 解决思路 1. 题目要求将所有元素通过 **+-** 的方式变成同一个元素 $e$，那么就需要找到一个点，计算小于（或大于）$e$ 的所有点所需变化总次数 2. 因此可以将二维数组转 ......
E:[IU] : Failed to open the configuration file! Exiting...
This is outside Qt's scope, the message is not printed by Qt. From the linked discussion it would seem that the message is output by the Intel graphic ......
What does the term epoch mean? Why it is so important?
在人工智能中，"epoch"（中文称为"训练轮次"或"周期"）是指训练神经网络时将整个训练数据集通过神经网络进行一次正向传播和反向传播的过程。 每个"epoch"包含一次前向传播和一次后向传播，用于更新神经网络的参数。在每个"epoch"中，神经网络对整个训练数据集进行一次学习和优化，以逐渐提高模型 ......
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 ......
无意间做了个 web 版的 JVM 监控端前后端分离 React+Spring Boot
本来就是为了更多的了解 JMX，第一步就想把所有的 MBean 和属性都展示出来，开始在控制台输出，但是效果不好，内容太多太长，不够直观，然后就加了个 web 端的树形结构。然后做着做着突然发现，再稍微改改就能当个 web 版的简易监控端用了。 此工具只在 hotspot JVM 8 环境下测试过。 ......
Spectrum Random Masking for Generalization in Image-based Reinforcement Learning
郑重声明：原文参见标题，如有侵权，请联系作者，将会撤销发布！ ......
electron react 简单demo
##1 使用cra 创建 项目 `npx create-react-app center-tools` ##2 安装依赖 ` yarn add electron electron-builder cross-env wait-on concurrently --dev` ` yarn add ele ......
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 ......
COMP9444 Neural Networks and Deep Learning
COMP9444 Neural Networks and Deep LearningTerm 2, 2023Project 1 - Characters and Hidden UnitDynamicsDue: Wednesday 5 July, 23:59 pmMarks: 20% of final ......
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 ......
React组件三大属性state，props，refs
1. React组件定义 1.1 函数组件（Function Components） 函数组件是一种简单的定义组件的方式，通过一个JavaScript函数来定义组件。函数接收一个props对象作为参数，并返回一个React元素作为输出。 1 <!-- 准备好一个“容器” --> 2 <div id= ......
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 ......