flexibility the enabling focuses
[933] In ArcPy, how to get the geometry of a feature from a shapefile
In ArcPy, you can get the geometry of a feature from a shapefile using the SearchCursor or UpdateCursor and the SHAPE@ token to access the geometry of ......
[932] In ArcPy, how to get the extent of a shapefile
In ArcPy, you can get the extent of a shapefile using the Describe function and the extent property. Here's how you can do it: import arcpy # Set the ......
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 ......
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 ......
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 ......
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， ......
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 ......
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 ......
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 ......
3 ways light pollution harms the planet - and what we can do about it
Light pollution not only impacts the environment, but our health too. ·Global light pollution has increased by 49% over 25 years to 2017, new research ......
「CF715E」Complete the Permutations
\(\text{「CF715E」Complete the Permutations}\) \(\text{Link}\) \(\text{Describe}\) 给定长为 \(n\) 的且部分确定的置换 \(p,q\)。定义 \(p,q\) 距离为通过交换 \(p\) 任意两项变为 \(q\) 的最 ......
#期望dp#CF1810G The Maximum Prefix
洛谷题面 CF1810G 分析 考虑最大前缀和满足两个条件，就是所有前缀和都不超过，以及一定有一个等于。 那么就要保证它能达到最大值且一直不能高于它 设 \(dp[i][j][0/1]\) 表示前 \(i\) 个数离达到最大值还需要 \(j\) 且未/已经达到过最大值。 初始化就是 \(dp[0][ ......
Cannot connect to the Docker
执行docker基础命令失败！ Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running? 原因：docker服务没有启动。 解决方法：执行 systemctl s ......
B. The Walkway
大意： B. The Walkway 在一个二维公园中,有n个椅子，从一个一直到另一个椅子的时间为d,有m个卖饼干,分布在$s_i$椅子旁边, 当且仅当以下条件中至少有一个成立时，他才会在$ i$长凳附近吃饼干： 在第 $i$个长凳附近有一个卖饼干的人。那么 Petya 就会从卖饼干的人那里买一块饼 ......
[LeetCode] 2558. Take Gifts From the Richest Pile
You are given an integer array gifts denoting the number of gifts in various piles. Every second, you do the following: Choose the pile with the maxim ......
macos pip3 安装 mycli/scrapy 路径报错 WARNING: The script tabulate is installed in '/Users/modys/Library/Python/3.9/bin' which is not on PATH.
WARNING: The script tabulate is installed in '/Users/modys/Library/Python/3.9/bin' which is not on PATH. python没有添加到环境变量 export PATH=/Users/<you>/Libr ......
Why do I hear a NoiseHiss in the IEM system
# Why do I hear a Noise/Hiss in the IEM system? ``` Why do I hear a Noise/Hiss in the IEM system? The most common hiss that is referred to is caused b ......
docker: Error response from daemon: Conflict. The container name "/web" is already in use by container ......
问题：docker启动docker容器时报错docker: Error response from daemon: Conflict. The container name is already in use by container You have to remove (or rename) t ......
EF出现错误：An error occurred while updating the entries. See the inner exception for details.
问题：EF出现错误An error occurred while updating the entries. See the inner exception for details 场景：适用Excel批量导入数据时，提示了以上错误 解决思路： 1、查看是否有重复的主键 2、是否有不可为空的字段没有 ......
Paper Reading: WCDForest: a weighted cascade deep forest model toward the classifcation tasks
针对 gcForest 存在的一些缺点，本文提出了一种 WCDForest 模型来提高小样本分类数据集的准确率。为了提高 WCDForest 的特征提取能力，提出了一种等量多粒度扫描模块，可以平等地扫描边缘特征。提出了类向量加权模块和特征增强模块，它们重新评估了 RF 在多粒度扫描和级联森林阶段的分... ......
PAT 甲级【1012 The Best Rank】
本题用java极容易超时，提交了好几次才成功 另外90 88 77 77 50，名次应该是1 2 3 3 5 ，不是1 2 3 3 4 import java.io.*; public class Main { @SuppressWarnings("unchecked") public static ......