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解决./composer.json" does not match the expected JSON schema
如果执行composer install的时候报错 "./composer.json" does not match the expected JSON schema: - name : Does not match the regex pattern ^[a-z0-9]([_.-]?[a-z0-9 ......
解决PHP Warning: putenv() has been disabled for security reasons in phar:
在使用composer的时候报一下错误，这是因为php禁用了putenv() 函数 PHP Warning: putenv() has been disabled for security reasons in phar:///usr/bin/composer/vendor/composer/xde ......
You can’t specify target table ‘aaa′ for update in FROM clause
You can’t specify target table ‘aaa′ for update in FROM clause 使用MySQL 执行DELETE FROM时，若子查询的 FROM 子句和更新/删除对象使用同一张表，会出现错误。 针对“同一张表”这个限制，撇开效率不谈，多数情况下都可以通 ......
Keil5 使用GD32官方例程时安装device pack后报错，显示“ Device not found or not included in Device Database”
系统: win7 x64 keil软件版本：V5.28 从兆易创新官网，下载 GD32F30x AddOn.rar 和 GD32F30x Firmware Library.rar ，依次解压文件，双击安装"GigaDevice.GD32F30x_DFP.2.2.0.exe" 安装完毕后，在“GD32 ......
CF1083F The Fair Nut and Amusing Xor
#### 简要题意： 给你两个序列 $a,b$，一次操作可以将 $a$ 的某一个长度为 $k$ 的子区间全部异或上任意值，$f(a,b)$ 为使得 $a$ 和 $b$ 相同的最少的操作数量。 支持单点修改 $a,b$，并在开头和每次修改后输出 $f(a,b)$ 的值。 $n,k,q\le 2\tim ......
CF1361E James and the Chase
#### Description 给定一个有 $n$ 个点 $m$ 条边的**有向强连通图**。称一个点是**好的**当且仅当它到其他点都有且只有一条**简单路径**。如果好的点至少有 $20\%$ 则输出所有好的点，否则输出 `-1`。 $\sum n\leq 10^5,\sum m\leq 2\ ......
CF1152F2 Neko Rules the Catniverse (Large Version) 题解
发现挨位考虑填哪个不太现实，考虑值域。 令 $dp_{i,j,st}$ 表示考虑到 $i$，此时序列长度为 $j$，$i-m$ 到 $i-1$ 填空状态为 $st$ 的方案数，考虑选/不选数即可： $dp_{i,j,st}\times (\text{popcount}(st)+1)\to dp_{i ......
Warning: require_once(): open_basedir restriction in effect.
``` Warning: require_once(): open_basedir restriction in effect. File(/www/wwwroot/qvmhweb/fun/MGQrCodeReader/MGQrCodeReader.php) is not within the al ......
arcgis注册postgresql失败。postgres be sure the databse client software is installed and configured correct
解决： 将PostgreSQL\9.1\bin目录下的Libpq.dll,Libeay32.dll, Libintl-8.dll, Ssleay32.dll复制一份放在ArcGIS Server安装目录的Server\bin***意：这里拷贝的文件需要都是64位的。 重启arcgis server服 ......
NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running.
###问题提示： ` NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and runn ......
【863】Calculate records based on the same value
Suppose we have a dataframe, it has a column of "country". It lists different names of country's names, and for one country maybe it has multiple reco ......
NET EF 参数化查询(LIKE / IN)
原始数据： 1.拼接SQL：容易注入 2.参数化查询： 2.1.等于 + Like: 2.2.等于 + Like + IN: 2.2.1.结果：类似的参数传递，但是结果为0 2.2.2.分析：通过SQL Server Profile得到运行sql，发现 IN 的参数被处理成了一个字符串，类似于： W ......
【862】as.Date in R programming
ref: R语言——日期时间处理 ref: as.Date: Date Conversion Functions to and from Character ref: Date Formats in R as.Date()it can change a normal string into a da ......
Perkins Engines: Reliable Power in Harsh Environments and High-Strength Operations
Perkins Engines: Reliable Power in Harsh Environments and High-Strength OperationsHello everyone! Today I would like to share with you a powerful engi ......
950. Reveal Cards In Increasing Order (Medium)
Description 950. Reveal Cards In Increasing Order (Medium) You are given an integer array deck. There is a deck of cards where every card has a unique ......
Linux系统Apache报错httpd: Could not reliably determine the server's fully qualified domain name, using localhost.localdomain. Set the 'ServerName' directive globally to suppress this message
解决办法： 在配置文件中加一句ServerName localhost:端口号 # echo "ServerName localhost:8068" >> /etc/httpd/conf/httpd.conf 重启Apache即可解决。 ......
QSqlDatabasePrivate::removeDatabase: connection ‘myConnection’ is still in use, all queries will cease to work
1. 解决QSqlDatabasePrivate::removeDatabase: connection ‘myConnection’ is still in use, all queries will cease to work的问题该问题主要是因为没有关闭之前的数据库连接，然后又需要创建新的数据 ......
HTTP/2 stream 1 was not closed cleanly before end of the underlying stream解决
通过git clone 文件时报错 HTTP/2 stream 1 was not closed cleanly before end of the underlying stream 解决： git config --global http.versioin HTTP/1.1 重新git clon ......
CPU环境下运行基于yolov5的行人检测代码（pedestrain detection based on yolov5 in CPU）
最近在捣腾基于 yolov5 的行人检测代码，在 github 上下载一个案例之后因为没用 GPU 运行一直碰壁，出现了许多 bug，现在整理了下 error 和解决方法，成功调试出了基于 yolov5 的行人检测代码，分享给大家~ 1. 运行环境：window10，CPU，Visual Studi ......
升级EF7连接SQL server出错SqlException: A connection was successfully established with the server, but then an error occurred during the login process. (provider: SSL Provider, error: 0 - 证书链是由不受信任的颁发机构颁发的。)
今天把项目里的Microsoft.EntityFrameworkCore.SqlServer和Microsoft.EntityFrameworkCore.Tools从6.0.6升级到了最新的7.0.9。一运行程序出错了。 ![img](https://img2023.cnblogs.com/blog ......
.NET Core中关于阿拉伯语环境下的坑：Input string was not in a correct format.
### 结论 .NET Core项目（.NET Framework没出现）在阿拉伯语（即语言名称是`ar-`开头的语言）环境下，将负数字符串转成数字，即`int.Parse("-1")`或`Convert.ToInt32("-1")`时，会抛出异常“Input string was not in a ......
Linux系统Apache添加监听端口后无法启动服务并报错：Job for httpd.service failed because the control process exited with error code. See "systemctl status httpd.service" and "journalctl -xeu httpd.service" for details.
导言：这是SE Linux安全机制导致的。 解决方法： 1.查看当前httpd端口 # semanage port -l|grep http 2.将对应端口加入SE Linux，以8068为例 # semanage port -a -t http_port_t -p tcp 8068 3.再次查看 ......
Python Magic Methods & Operator Overloading All In One
Python Magic Methods & Operator Overloading All In One
__init__ & __add__
......
大语言模型的预训练4：指示学习Instruction Learning详解以及和Prompt Learning,In-content Learning区别
# 大语言模型的预训练[4]：指示学习Instruction Learning：Entailment-oriented、PLM oriented、human-oriented详解以及和Prompt Learning,In-content Learning区别 # 1.指示学习的定义 Instruct ......
大语言模型的预训练[5]：语境学习、上下文学习In-Context Learning：精调LLM、Prompt设计和打分函数设计以及ICL底层机制等原理详解
大语言模型的预训练[5]：语境学习、上下文学习In-Context Learning：精调LLM、Prompt设计和打分函数设计以及ICL底层机制等原理详解 ......
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 ......
LeetCode 852. Peak Index in a Mountain Array 二分
An array arr a mountain if the following properties hold: * `arr.length` >= 3 * There exists some i with `0 arr[i + 1] > ... > arr[arr.length - 1] ``` ......
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 ......