economist from the to
PageOffice保存时The file format is not allowed
情景描述：最新用PageOffice做word在线编辑功能，但是保存时一直报错The file format is not allowed。如下图： 问题分析：把word文件放到官方demo中，编辑保存没有问题，最后排查到是pageofficeCtrl.WebOpen传入的参数DocumentURL ......
【图形学笔记】Lectre11-The Rendering Equation-渲染方程
Lectre11-The Rendering Equation-渲染方程 目录Lectre11-The Rendering Equation-渲染方程Models of Scattering 散射模型表面散射——BRDF（双向反射分布函数）一个点上的反射镜面反射Transmission 传播（似乎是 ......
[Violation] Added non-passive event listener to a scroll-blocking <some> event. Consider marking event handler as 'passive' to make the page more responsive.
https://stackoverflow.com/questions/39152877/consider-marking-event-handler-as-passive-to-make-the-page-more-responsive Passive event listeners：https: ......
后台springboot启动失败-The bean 'productMapper' could not be injected because it is a JDK dynamic proxy
报错信息 The bean 'productMapper' could not be injected because it is a JDK dynamic proxy The bean is of type 'com.sun.proxy.$Proxy224' and implements: pw ......
network提示use --host to expose
项目运行之后，想要通过局域网ip访问项目，无法访问： 查了一下问题，没有配置netWork，在vite.config.ts如下配置，就可以了 server: { host: '0.0.0.0' } 有问题欢迎交流！！！ ......
[930] arcpy - change spatial reference, zoom to layer and export to PDF
The general idea is as follows: aprx -> layout -> map -> layer -> extent layout -> setExtent layout -> exportToPDF The script is as follows: def expor ......
The 2023 CCPC Guilin 游记
Preface 纯在偷懒，比赛结束过了这么多天才把这篇游记摸出来 这场CCPC桂林算是我们全队第一次线下打区域赛，虽然赛前VP往年CCPC时偶尔也能打进金牌区（一般都是徐神切出字符串或是祁神切掉计算几何时） 但鉴于没啥经验而且这场桂林强队如云，因此心理预期能守银就算成功 最后的结果也算是中规中矩地完 ......
【图形学笔记】Lecture07-Introduction to Geometry几何
Lecture07-Introduction to Geometry几何 目录Lecture07-Introduction to Geometry几何Implicit Surface 隐式的曲面CSG-Constructive Solid Geometry（Implicit）构造刚体几何图形Blen ......
容器报错 Error response from daemon: driver failed programming external connectivity on endpoint
在启动容器时的容器时，会出现报错：Error response from daemon: driver failed programming external connectivity on endpoint XXX（端口映射或启动容器时报错） 如下： 原因：在我们启动了Docker后，我们再对防火 ......
Please take a look at the provided example service unit files in this directory, and adapt and install them. Sorry!
安装Redis，执行 install_server.s 脚本时，出现如下报错： 解决方案，注释掉 install_server.sh 中的部分代码，注释代码详情如下： 再次执行 install_server.sh 脚本，结果如下： ......
Mind the Gap 队伍实录
正式比赛 \(**Year2023**\) \(ICPC Nanjing：\)未开始 \(CCPC Shenzhen：\)未开始 \(ICPC Jinan：\)未开始 交题圣经 " 语言别交错 题目别交错 long long 有没有开 空间够不够 大小够不够 自己的样例试过没 格式'\n'有没有 板 ......
题解 ABC326E【Revenge of "The Salary of AtCoder Inc."】
根据期望的线性性，总工资的期望等于在每一个 \(i\) 处获得的工资的期望之和，而在 \(i\) 处获得的工资的期望 \(E(i)=A_i\times p(i)\)，其中 \(p(i)\) 表示掷骰子掷到 \(i\) 且有效的概率。 初始 \(p(0)=1\)，则只有从 \(0\sim i-1\) ......
redis cluster 多节点部署时出现Waiting for the cluster to join
如图显示一直卡在这里： 可能由一下几种情况 1、redis.conf 中的bind 配置问题 可能配置有问题限制的访问redis ,通常设置为本机IP ，或者可以设置为 0.0.0.0 进行测试 2、可能是集群总线端口未开放 若通讯端口为6379，那么集群总线端口16379一定要打开 3、clust ......
5. Road to C1 (Quick Tips)
1. From Now to C1 Now is the time to talk about the things that you can do later on after finishing this challenge. After those ten days, and even if ......
element cannot be mapped to a null key的解决方法
目录报错：分析解决方案 报错： 日志 ERROR [o.a.c.c.C.[.[.[/sa].[dispatcherServlet]] - Servlet.service() for servlet [dispatcherServlet] in context with path [/sa] thre ......
AT_abc326_e Revenge of "The Salary of AtCoder Inc." 题解
AT_abc326_e Revenge of "The Salary of AtCoder Inc." 题解 一道简单的概率论+动态规划题目（然而我赛时没看这道题 题意 有一个长度为 \(n\) 的序列 \(A\)、一个 \(n\) 面骰子，掷若干次骰子，如果这一次掷骰子的点数小于等于上一次的点数， ......
本地起服务报错Logging system failed to initialize using configuration from 'file:config/log4j2.xml'
问题现象： 本地起服务报错Logging system failed to initialize using configuration from 'file:config/log4j2.xml' 解决方法： 1、检查一下依赖 <dependency> <groupId>org.springfram ......
RSA总结 From La神
常用工具 🥳 分解大素数 factordb （http://www.factordb.com / API: http://factordb.com/api?query=） yafu （p q 相差过大或过小yafu可分解成功） sage （divisors(n)）（小素数） Pollard’s p ......
dom-to-image图像失真
// height: document.getElementById("hwLabelform").scrollHeight,//canvas高 // width: document.getElementById("hwLabelform").scrollWidth, //canvas宽 // sc ......
To_Heart—题集——给我一瓶酒再给我一支烟
本来上上一周就该写的，但最近没心情写题解也没心情写题。嘛。人生被困在一望无垠的荒草里咯！ 1.CF1305F link && submission 本来想放在考试的 T4 的。没做过的同学有福辣！天才随机化 第一个结论是最终操作次数不会超过 n 。因为你可以把所有的奇数全部 +1 这样 gcd 至少 ......
Split to Achieve Gain
Machine Learning - Split to Achieve Gain Calculate Information Gain.TaskGiven a dataset and a split of the dataset, calculate the information gain usi ......
Solution to OpenSSL Connection Problems With Github
Problems Uploading Files with Git Sometimes we can use git tool to successfully upload projects to Github, but in other time especially after a period ......
2How To Use Python On A Web Page With Jinja2 - Fla 21:30
# localhost:5000/user/John @app.route("/user/<name>") def user(name): return render_template("user.html", user_name=name) 这段代码是使用了 Flask 框架创建一个路由。具体解释 ......
报错:The server time zone value ‘�й���ʱ��’ is unrecognized or represents more than one time zone
在运行项目的时候遇到了这样一个报错，是数据库的问题但是不知道是什么原因，在网上搜了一下发现只需要在url后面加上serverTimezone=UTC这串代码就行了 例如 jdbc:mysql://localhost:3306/result?characterEncoding=UTF-8&server ......
centos7.9重启网卡提示Failed to start LSB: Bring up/down networking.
前几天给一台机器状态centos7.9系统，设备有2个网口，今天重启网卡一直失败， 查看network状态，怀疑是eth0网卡有问题 查看eth0的网卡配置，发现是eth0网卡的BOOTPROTO=dhcp，且ONBOOT=yes，但eth0网口没插网线，这导致重启网卡时，一直重启eth0，但是没插 ......
在CentOS7上更改端口号时报错：Job for sshd.service failed because the control process exited with error
1、问题描述 在在CentOS7×上更改端口号时报错: “Job for sshd.service failed because the control process exited with error code.See ‘systemcl status& sshd service" and fo ......
rabbitmq Could not find handle.exe, please install from sysinternals
报错：Could not find handle.exe, please install from sysinternals 这是由于rabbitmq 调用 windows系统中handle.exe，但是handle.exe缺失而导致的错误。 解决方案： 下载 https://learn.micro ......
How to Find the Size of a DB2 Database
How to Find the Size of a DB2 Database EMBER CROOKS JUNE 19, 2012 15 COMMENTS How big is it? How much space do we need if we copy it? How big will it ......
Unveiling the Dangers of Land Pollution
Unveiling the Dangers of Land Pollution Land, the very foundation of life, sustains ecosystems, supports agriculture, and provides spaces for human ha ......
Water Pollution: The defination, types, causes, effects and meatures.
What is water pollution? Water pollution can be defined in many ways. Usually, it means one or more substances have built up in water to such an exten ......