solution p9194 the of
[LeetCode] 2461. Maximum Sum of Distinct Subarrays With Length K
You are given an integer array nums and an integer k. Find the maximum subarray sum of all the subarrays of nums that meet the following conditions: T ......
[LeetCode] 2222. Number of Ways to Select Buildings
You are given a 0-indexed binary string s which represents the types of buildings along a street where: s[i] = '0' denotes that the ith building is an ......
Doris forentend: Environment invalid because of previous exception: (JE 18.3.12)
错误日志 2023-07-18 19:45:58,493 INFO (main|1) [PaloFe.start():124] Palo FE starting... 2023-07-18 19:45:58,503 INFO (main|1) [FrontendOptions.analyzePrio ......
LOADING Redis is loading the dataset in memory
MISCONF Redis is configured to save RDB snapshots, but is currently not able to persist on disk. Commands that may modify the data set are disabled. P ......
[LeetCode] 2597. The Number of Beautiful Subsets
You are given an array nums of positive integers and a positive integer k. A subset of nums is beautiful if it does not contain two integers with an a ......
invalidate the cache in Spark by running 'REFRESH TABLE tableName' command in SQL or by recreating the Dataset/DataFrame involved
``` ... 1 more Caused by: java.io.FileNotFoundException: File does not exist: hdfs://ns1/user/hive/warehouse/dw.db/dw_uniswapv3_position_detail/pk_day ......
The file extension is not supported by Shapefile data provider.
后端返回：文件上传失败：The file extension is not supported by Shapefile data provider. 表明此时上传/处理的文件不符合标准。 ......
These are the list of external providers available to the application.
These are the list of external providers available to the application. https://github.com/davidfowl/TodoApi/blob/c209f6ae5c5f31f4808b0df85f358d4a572ea ......
无效重复类定义错误：Invalid duplicate class definition of class xxxx
### Description ``` log startup failed: /xxxx/OrderFixFile.groovy: 5: Invalid duplicate class definition of class OrderFixFile : The source /xxxx/Orde ......
解决 Https 站点请求 Http 接口服务后报 the content must be served over HTTPS 错误的问题
之前将自己所有的 `Http` 站点全部更新为 `Https` 站点，但是在请求后台接口服务的时候还是 `Http` 请求，导致部署之后，直接在控制台报 `This request has been blocked; the content must be served over HTTPS;` 的... ......
834. Sum of Distances in Tree (Hard)
Description 834. Sum of Distances in Tree (Hard) There is an undirected connected tree with n nodes labeled from 0 to n - 1 and n - 1 edges. You are g ......
TypeError: iter() returned non-iterator of type 'MyIterable'
1 class MyIterable: 2 def __init__(self): 3 self.data = [1, 2, 3] 4 5 def __getitem__(self, index): 6 return self.data[index] 7 8 def __iter__(self): ......
题解 CF840C On the Bench
这是一篇简洁易懂的良心题解，提供了多种做法。 对于两个数 $x,y$，定义 $x=n^2 \cdot tx,y=m^2 \cdot ty$。如果 $x\cdot y$ 为平方数，则说明 $tx=ty$。所以我们可以将每个数除去其平方因子，比较相邻两数是否相等即可。 ## F1： 定义 $f_{i,j ......
题解 Score of a Tree
[Score of a Tree](https://www.luogu.com.cn/problem/CF1777D) 思维题。 我们考虑一个点 $u$ 在所有时刻内的点权为多少。 可以发现，假如 $u$ 的深度为 $0$，那么 $t$ 时刻时它的权值为其子树内所有深度为 $t$ 的点的初始权值异或 ......
题解 The Human Equation
[The Human Equation](https://www.luogu.com.cn/problem/CF1775E) 思维题。 我们考虑每次 $a$ 数组加一减一对于其前缀和 $sum$ 的影响。 可以发现，假设相邻两次加一和减一的位置分别为 $l$ 和 $r$，那么 $sum$ 在 $[l ......
QT multiple definition of 问题
在 SIWARESCANNER_H 中 #ifndef SIWARESCANNER_H#define SIWARESCANNER_H#include "nirsensor.h"#include <QObject>#include <QTimer>extern "C"{#include "Operat ......
【文献阅读】Optimization and perform criteria of a Stokes polarimeter based on two variable retarders
minimize the noise transmitted through the matrix 主要用三个参数衡量 indicator the condition number (CN) the Equally Weighted Variance (EWV) the error associat ......
vue开发 tinymce.js富文本插件报错：Cannot read properties of undefined (reading 'open')
应该是预加载的问题 因为需要同时展示多个富文本框 所以网上搜索到的 把v-if 换成 v-show是行不通的 最后想到办法 就是 再最外面再加一个 富文本 宽高设置成0 这样里面的富文本就能 正常使用了 k-rich-editor 是基于 tinymce 封装起来的富文本编辑器 ......
for...in循环和for...of循环的区别？
大原則: for...in只用來遍歷對象中的key, 不用來遍歷數組 for…of 是ES6新增的遍历方式，允许遍历一个含有iterator接口的数据结构（数组、对象等）并且返回各项的值，和ES3中的for…in的区别如下： for…of 遍历获取的是对象的键值，for…in 获取的是对象的键名；f ......
python包报错ImportError: urllib3 v2.0 only supports OpenSSL 1.1.1+, currently the 'ssl' module is compiled with 'OpenSSL 1.0.2k-fips 26 Jan 2017'
报错：ImportError: urllib3 v2.0 only supports OpenSSL 1.1.1+, currently the ‘ssl’ module is compiled with OpenSSL 1.1.0h 27 Mar 2018. 解决办法：Terminal窗口执行：p ......
You don't have write permissions for the /System/Library/Frameworks/Ruby.framework/Versions/x.x/usr/lib/ruby/gems/x.x.x directory.
Gem Error ERROR: While executing gem ... (Gem::FilePermissionError) You don't have write permissions for the /System/Library/Frameworks/Ruby.framework ......
for of遍历普通对象
for of创建一个循环来迭代可迭代的数据结构，普通对象没有Symbol.iterator方法，不可迭代。 所以要使用for of遍历普通对象如下： 1、Object扩展方法values()、keys()、entries() Object.values()返回普通对象的键值组成的数组 Object. ......
NVMe-oF如何改变数据中心存储架构
导读 NVMe是一种用于连接存储设备和主机系统的通信协议，旨在充分利用固态硬盘(SSD)等非易失性存储介质的性能潜力。与传统的存储协议(如SATA或SAS)相比，NVMe通过使用更高效的命令队列和并行I/O处理，显著提高了存储系统的性能和响应速度。 由于NVMe-oF技术的出现，数据中心存储架构领域 ......
LeetCode 793. Preimage Size of Factorial Zeroes Function 二分
Let `f(x)` be the number of zeroes at the end of x!. Recall that $x! = 1 * 2 * 3 * ... * x$ and by convention, 0! = 1. For example,` f(3) = 0` because ......
LoRA：Low-Rank Adaptation Of Language Model
# LoRA：Low-Rank Adaptation Of Language Model ## O、摘要 本文提出一种新的大模型（本文主要指 transformer）微调方法：低秩自适应。其主要特性为，冻结预训练模型的权重，并将可训练低秩矩阵，分解到模型的每一层，从而大大减少下游任务的训练参数量。与 ......
解决报错Cannot connect to the Maven process. Try again later. If the problem persists, check the Maven
## 故障描述： 使用idea下载java某个源文件，idea报错：Cannot connect to the Maven process. Try again later. If the problem persists, check the Maven 
报错详细信息如下 “/”应用程序中的服务器错误。 分析器错误 说明: 在分析向此请求提供服务所需资源时出错。请检查下列特定分析错误详细信息并适当地修改源文件。分析器错误消息: 未能创建类型“WebApp.FileUploadHandler”。源错误: 行 1: <%@ WebHandler Lang ......
[gym102770L]List of Products
## 题意简述 我们根据唯一分解定理得到，对于每一个数 $x$ 可以表示成 $\sum p_i^{e_i}$ 的形式，其中 $p_i$ 表示第 $i$ 大的素数。 我们重新定义两个数之间的比较，对于两个数 $x,y$ ： - 如果 $x=y$ ，两个数相等 - 如果 $x,y$ 不相等，我们就从小到 ......
Lakehouse: A New Generation of Open Platforms that Unify Data Warehousing and Advanced Analytics
在Delta Lake官网上提到的一篇新一代湖仓架构的论文. ![image.png](https://cdn.nlark.com/yuque/0/2023/png/492896/1689406041936-82416672-e4d8-46db-9742-19b4a283b7f4.png#avera ......