desertification china of
The 'China Solution' in Nigeria
Nigeria， The northern region of Nigeria, particularly the Sahel region, is experiencing severe desertification due to factors such as deforestation, o ......
On the Opportunities and Risks of Foundation Models
引用链接：https://zhuanlan.zhihu.com/p/401157815 论文链接：https://arxiv.org/pdf/2108.07258.pdf 正文分四部分，阐述内容如下： 能力：模型的能力，模型可以做到的事 语言、视觉、机器人学、推理、交互、理解等； 应用：可应用领域 ......
org.elasticsearch.client.transport.NoNodeAvailableException: None of the configured nodes are available es端口号及集群名称
org.elasticsearch.client.transport.NoNodeAvailableException: None of the configured nodes are available elasticsearch有两个端口：http_port和transport.tcp.por ......
Transferability of the Chinese Eco-environmental Protection Measure
Most of Saudi Arabia is desert, so it faces serious problems of water shortage and desertification. China has employed technological methods and has t ......
T399752 The Maze of the Imperial Sister（御姐的迷宫）题解
Link T399752 The Maze of the Imperial Sister（御姐的迷宫） Question 判断图内是否有环 Solution 先判断连通性，所有点是不是在一个块内，然后用树的性质，点数 \(=\) 边数 \(+1\) 判断 Code #include<bits/std ......
Literature Survey Slides of Paper Learning Dexterous In-Hand Manipulation
This is the tutorial slides about a literature survey of paper Learning Dexterous In-Hand Manipulation. ......
Decoupling the Depth and Scope of Graph Neural Networks
目录概符号说明Shadow-GNN代码 Zeng H., Zhang M., Xia Y., Srivastava A., Malevich A., Kannan R., Prasanna V., Jin L. and Chen R. Decoupling the depth and scope o ......
implement a parallel batch processing in X++ of Dynamics 365 F&O
One of the powerful features of Dynamics 365 Finance and Operations is a Batch framework. In this post, I explain how you can convert your existing ba ......
CodeForces 1709F Multiset of Strings
洛谷传送门 CF 传送门 考虑若确定了所有 \(c_s\)，如何计算集合最大大小。 下文令原题面中的 \(f\) 为 \(m\)。 发现我们可以类似倒推地确定。比如若 \(n = 3\)，\(c_{00} = \min(c_{000}, c_{001})\)，\(c_{01} = \min(c_{0 ......
sas type of azure storage
Shared access signatures (SAS) are a secure way to delegate access to Azure Storage resources. They provide a way to grant limited access to resources ......
consistency level of Azure Cosmos DB account
In Azure Cosmos DB, the consistency level defines the trade-off between consistency, availability, and partition tolerance, commonly known as the CAP ......
The 2020 ICPC Asia Shenyang Regional Programming Contest J. Descent of Dragons
来道喜闻乐见的DS题，这题虽然比较套路但还是挺有趣的 一个朴素的想法就是用类似于珂朵莉树那样的方式维护所有内部等级相同的区间，但当操作数量上去后，显然分出的区间数量就变得不可控了，无法处理 另一个朴素的想法就是对于不同等级的龙维护它们的所有信息，直接暴力记录的话肯定不行，但考虑到操作的方式是从\(x ......
Cannot read properties of undefined (reading 'indexOf') at VueComponent.resetField (index.js:...
Cannot read properties of undefined (reading 'indexOf') at VueComponent.resetField (index.js:1:370572) elementUI源码报错，原因竟然是form-item没加prop，折腾了一两个小时，真是服 ......
CF1894B Two Out of Three
思路 简简单单构造题，就是要认真读题，是能且只能满足两个条件。 我们可以考虑每种数字，如果数字只有一个，是不能满足任何一个条件的，那就随便给一个 \(b\) 即可。 如果这个数字有多个，那么就只能有两种 \(b\)，否则就会满足三个条件，所以一种数字最多满足一种条件。 所以，如果只有一个或者甚至没有 ......
python3 json.dumps(OrderDict类型) 报错：TypeError: Object of type datetime is not JSON serializable
chatgpt给出的解决方案, 在json.dumps()函数调用中传入default参数来指定如何处理datetime对象 import json from datetime import datetime def datetime_handler(obj): if isinstance(obj, ......
[939] Generate a new shapefile based on a list of records and query polygons from a large shapefile
ref: arcpy.management.MakeFeatureLayer(in_features, out_layer, {where_clause}, {workspace}, {field_info}) ref: arcpy.management.SelectLayerByAttribute ......
The 2023 CCPC Guilin C. Master of Both IV
Preface 妈的期中考终于结束了，感觉在区域赛前抽出将近两周的时间不训练去复习有点得不偿失的说 现在终于有时间来补一下题，其实手头要补的题还挺多的，一个是上次CCPC桂林打完后可做的一些题，另一个是这段时间零碎地练习的两场 一场台湾的网络赛有两个题赛时卡着都没写出来，过两天补一下；另一个就是这周 ......
虚拟机ping不通物理机 PING 192.168.10.1 (192.168.10.1) 56(84) bytes of data.
准备做samba服务配置的时候 ping 192.168.10.1 （物理机地址） PING 192.168.10.1 (192.168.10.1) 56(84) bytes of data. 查看自己的虚拟网络编辑器 是不是进主机网卡的网段没有设置好 2.查看自己的虚拟机网卡有没有连接 确保是已连 ......
chrome浏览器报Cannot read properties of undefined (reading 'getUserMedia')
chrome访问摄像头的时候可能报这个错误。使用https协议可以解决这个问题，如果不能使用https可以通过修改chrome配制解决。 在chrome地址栏输入chrome://flags/#unsafely-treat-insecure-origin-as-secure 在Insecure or ......
2023 China Collegiate Programming Contest Shenzhen Site
目录写在前面AFGLIEMK写在最后 写在前面 补题地址：vjudge。 以下按照场上过题顺序排序。 首银。 比游记更早出来，没想到吧。 游记链接：留坑。 A 场上先开的这道。 直觉是考虑先全部区间加直到最小值，然后将非最小值全单点加，再重复上述过程。然而会被递增序列卡掉。 瓶颈在于单点加太多了。大 ......
[ARC107F] Sum of Abs 题解
题意 给定一个 \(N\) 个点，\(M\) 条边的简单无向图，每个节点有两个值 \(A_i\) 和 \(B_i\)。 现对于每个节点，均可以选择花费 \(A_i\) 的代价将其删去或保留节点。若一个节点被删除，那么所有与其向连的边也会被删除。 定义一个极大联通块的权值为联通块内所有节点的 \(B_ ......
The song of Academia
In the realm of intellect, where thoughts intertwine, Intellectual pursuits, in brilliance, they shine. A young scholar, impulsive, yet keen to refine ......
The A to Z of ... from the Economist
The A to Z of economicsEconomic terms, from “absolute advantage” to “zero-sum game”, explained to you in plain Englishhttps://www.economist.com/econom ......
study of 'Missing data imputation framework for bridge structural health monitoring based on slim generative adversarial networks'
the Stochastic Gradient Descent (SGD):为了提高鲁棒性，SGAIN框架的优化器采用了随机梯度下降（SGD） 一，SGAIN框架有两个重要目的：鉴别器D的目的是最大化正确预测M矩阵的概率；生成器的目的是最小化D预测M矩阵的概率。此外，利用反向传播算法对发生器和鉴别器 ......
【springboot项目运行报错】亲测有效 Parameter 0 of constructor in xxx.xxx.Controller required a bean 0
Parameter 0 of constructor in me.zhengjie.modules.system.rest.DictDetailController required a bean of type 'me.zhengjie.modules.system.service.DictDet ......
D. Score of a Tree
D. Score of a Tree You are given a tree of $n$ nodes, rooted at $1$. Every node has a value of either $0$ or $1$ at time $t=0$. At any integer time $t ......
"Academy of Management" and the journal "Academy of Management Perspectives"
Academy of Management 555 Pleasantville Road, Suite N200 Briarcliff Manor, NY 10510-8020, USA Phone: +1 (914) 326-1800 Fax: +1 (914) 326-1900 Academy ......
关于.UnsupportedClassVersionError: org/example/Merge has been compiled by a more recent version of the Java Runtime (class file version 61.0), this version of 问题的彻底解决
问题描述 之前我是改变了本机上面的JDK的版本17为8； 然后这次我再次尝试MapReduce运行就报错了； 尝试更改IDEA中的环境JDK为8，还是一直显示这个错误~~~ 问题解决 根本问题在pom.xml文件这里，里面有定义我们使用的JDK的版本， 只要将其中的17改为8，然后再运行，就没有问题 ......
[LeetCode] 1334. Find the City With the Smallest Number of Neighbors at a Threshold Distance
There are n cities numbered from 0 to n-1. Given the array edges where edges[i] = [fromi, toi, weighti] represents a bidirectional and weighted edge b ......
Python Object of type float32 is not JSON serializable
前言 使用 json.dumps(result) 对数据转 JSON 数据出现错误：TypeError: Object of type float32 is not JSON serializable 数据中存在的 float32 数据是 numpy 格式的数据，Python 内置的 float 类 ......