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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 ......
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 ......
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 ......
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 ......
.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 ......
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 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 ......
Troubles in RunBase's Pack and Unpack Methods
### Trouble description: > When user processed the batch job after clearing the usage data, dialog's parameters will catch the current data from proce ......
for i in $(cat name.txt);do mv ${i}_* ${i} done
for i in $(cat name.txt);do mv ${i}_* ${i} done https://www.jianshu.com/p/c9da06d451b9 点击查看代码 ``` fs = list.files('./GSE136001_RAW/',pattern = '^GSM') ......
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 ......
[论文研读]空天地一体化(SAGIN)的网络安全_A_Survey_on_Space-Air-Ground-Sea_Integrated_Network_Security_in_6G
** 恢复内容开始 ** ## 空天地一体化(SAGIN)的网络安全 **目前关注的方面：** 集中在安全通信、入侵检测、侧通道攻击、GPS欺骗攻击、网络窃听、消息修改/注入等方面，有些侧重于分析现有的安全威胁[20]、[21]，有些提出了他们的攻击方法[14]、[22]，还有一些则更多地侧重于SA ......
调题时出现的问题 in 『状压dp』
# [Luogu P2831 愤怒的小鸟](https://www.luogu.com.cn/problem/P2831 "Luogu P2831 愤怒的小鸟") 考虑 $lowbit[i]$ 的取值范围有可能大于 $18$ 。 ......
[Javascript] How to fix iphone safari auto zoom in problem without `maximum-scale=1.0`
Solution 1: consider change font-size to 16px or above Soution 2: using javascript if(navigator.userAgent.indexOf('iPhone') > -1 ) { document .querySe ......
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 ......
iOS 苹果授权登录（Sign in with Apple）系列之uniapp篇
官方网址 https://uniapp.dcloud.net.cn/tutorial/app-oauth.html# 代码集成 1、在 template 添加以下代码, 苹果授权登录（Sign in with Apple）是 iOS 13 才有的,做下系统版本判断 <template> <view ......
.net 实现数组拼接成sql语句IN
一、简单记录一下.net 实现字符串数组拼接成sql语句IN 把 0001|ceshi04|ceshi0F|ceshi0J 变成 ‘0001’，‘ceshi04’，‘ceshi0F’ 格式 List<string> joinCodeList = model.SJoinList.Split('|'). ......
[abc309 F] Box in Box
# [F - Box in Box](https://atcoder.jp/contests/abc309/tasks/abc309_f) 首先，每个长方体的$h,w,d$都是可以任意互换的，所以我们考虑用$a_0,a_1,a_2$来代替它们（$a_0\leq a_1\leq a_2$） 然后可以发 ......
VSCode - go error: gopls was not able to find modules in your workspace
gopls was not able to find modules in your workspace. When outside of GOPATH, gopls needs to know which modules you are working on. You can fix this b ......
【不止IP】First In First Out FIFO核的使用
一、Vivado FIFO IP核的使用方法和注意事项 1、fifo核的两种工作模式：standard fifo、first word fall through，它们的功能和操作上有一些区别。 （1）Standard FIFO（标准FIFO）： 在标准FIFO中，数据输入（写入）和数据输出（读取）是 ......
Linux /etc/passwd and /etc/shadow All In One
Linux /etc/passwd and /etc/shadow All In One
Linux 用户管理
Linux 用户权限管理
Raspberry Pi
......
flex and bison usage in PostgreSQL
# flex/bison usage in pgsql In regular bison usage, we call `yyparse()` to get an AST. So, I searched for `yyparse` in PostgreSQL source code, which e ......
折半搜索（meet in middle）
折半搜索 做法为将整个搜索的过程分为两部分，然后每部分分别进行搜索，最后将得到两个答案序列，再将答案序列进行合并，即可得到最终的答案。 可以发现，当状态非常之多的时候，这种优化还是非常明显的，最优情况下可以直接把复杂度开个根号。 需要注意的是，折半搜索应用的时候需要满足以下条件： 搜索各项不能相互干 ......