掩膜extract mask by

CMC-ORACLE-函數row_number() over(partition by )函数用法

row_number() over(partition by )函数用法 row_number() over(partition by),作为oracle常用的分析函数,身为数据开发时必须要掌握的。不过一段时间不用,难免会有些忘记,今天整理一下一些场景下的用法。 现有表(test_rownumber ......

Control Group v2 (翻译 by chatgpt)

原文:https://www.kernel.org/doc/html/latest/admin-guide/cgroup-v2.html 另外两篇: Control Group v2 —— Controller(翻译 by chatgpt) Control Group v2 —— Namespace ......
Control chatgpt Group v2 by

influxDb sum求和group by

一、背景 二、实现 select * from ( select sum(value) as val from history_data where parameter_id = '512432211656617105' or parameter_id = '512432211656637048' ......
influxDb group sum by

《REBEL Relation Extraction By End-to-end Language generation》阅读笔记

论文来源 代码地址 相关视频(YouTube) 相关概念: 1.What is natural language understanding (NLU)? Natural language understanding (NLU) is a branch of artificial intellige ......

Unevictable LRU Infrastructure (翻译 by chatgpt)

原文:https://www.kernel.org/doc/html/latest/mm/unevictable-lru.html Introduction This document describes the Linux memory manager's "Unevictable LRU" in ......
Infrastructure Unevictable chatgpt LRU by

Physical Memory (翻译 by chatgpt)

原文: https://www.kernel.org/doc/html/latest/mm/physical_memory.html Linux is available for a wide range of architectures so there is a need for an arch ......
Physical chatgpt Memory by

What is NUMA? (翻译 by chatgpt)

原文:https://www.kernel.org/doc/html/latest/mm/numa.html This question can be answered from a couple of perspectives: the hardware view and the Linux so ......
chatgpt What NUMA is by

内存管理相关概念 (翻译 by chatgpt)

原文:https://www.kernel.org/doc/html/latest/admin-guide/mm/concepts.html The memory management in Linux is a complex system that evolved over the years ......
内存 概念 chatgpt by

Workqueue (翻译 by chatgpt)

原文:https://www.kernel.org/doc/html/latest/core-api/workqueue.html Introduction There are many cases where an asynchronous process execution context is ......
Workqueue chatgpt by

乘风破浪,遇见生成式人工智能(Generative AI)洪流之初学者入门课程,十二章系列By微软云技术布道师团队

课程资源 https://github.com/microsoft/generative-ai-for-beginners 课程学习环境设置 Fork课程仓库到自己的账号 https://github.com/microsoft/generative-ai-for-beginners/fork 点击 ......

[LeetCode] 1160. Find Words That Can Be Formed by Characters

You are given an array of strings words and a string chars. A string is good if it can be formed by characters from chars (each character can only be ......
Characters LeetCode Formed Words 1160

Linux Magic System Request Key Hacks (翻译 by chatgpt)

原文:https://www.kernel.org/doc/html/latest/admin-guide/sysrq.html What is the magic SysRq key? 什么是魔术SysRq键? It is a 'magical' key combo you can hit whi ......
Request chatgpt System Linux Hacks

Transparent Hugepage Support (翻译 by chatgpt)

原文:https://www.kernel.org/doc/html/latest/admin-guide/mm/transhuge.html Objective 目标 Performance critical computing applications dealing with large me ......
Transparent Hugepage Support chatgpt by

关键字 开发-08 extract提取返回的结果

1. extract提取请求返回结果的返回值 在进行接口自动化的时候,往往需要提取上一个接口返回的值,传递给下一个接口使用。 创建utils/extract.py import json import re import jsonpath import jmespath from utils imp ......
关键字 extract 关键 结果 08

android开发aar包或者jar包出现类重复问题Caused by: java.lang.RuntimeException: Duplicate class found in modules xxx.aar and xxx.aar终极解决方法

如果是仓库依赖的方式直接使用exclude语句移除相同的依赖库即可,如下: implementation("org.java-websocket:Java-WebSocket:1.5.2") { exclude group: 'org.slf4j', module: 'slf4j-api' //ex ......
aar RuntimeException Duplicate xxx 终极

HugeTLB Pages (翻译by chatgpt)

原文:https://www.kernel.org/doc/html/latest/admin-guide/mm/hugetlbpage.html 内核中内存管理文档汇总:Memory Management Overview The intent of this file is to give a ......
HugeTLB chatgpt Pages

LINQ: group n by 和 group n by into g的区别

见stackflow上的答案: https://stackoverflow.com/questions/57406327/what-is-the-difference-between-group-n-by-vs-group-n-by-into-g-in-linq ......
group LINQ by into

常用【描述性统计指标】含义(by python)

统计学有时候会被误解,好像必须有大量的样本数据,才能使统计结果有意义。这会让我们觉得统计学离我们的日常生活很遥远。 其实,如果数据的准确度高的话,少量的样本数据同样能反映出真实的情况。比如,很多国家选举时不断做的民意调查,一般做到有效样本1600多份就够了,不管你是几千万人的小国家,还是数亿人的大国 ......
统计指标 描述性 含义 指标 常用

SQL HAVING 子句详解:在 GROUP BY 中更灵活的条件筛选

SQL HAVING子句 HAVING子句被添加到SQL中,因为WHERE关键字不能与聚合函数一起使用。 HAVING语法 SELECT column_name(s) FROM table_name WHERE condition GROUP BY column_name(s) HAVING con ......
子句 条件 HAVING GROUP SQL

记录一次MySQL多表查询,order by不走索引的情况.

首先是表结构,部分字段脱敏已删除 CREATE TABLE `log_device_heart` ( `id` int unsigned NOT NULL AUTO_INCREMENT, `device_number` varchar(255) CHARACTER SET utf8mb4 COLLA ......
索引 情况 MySQL order

Windows10+Qt+OpenCV出现“ACCESS_MASK”: 不明确的符号

一、概述 背景:Qt+OpenCV一模一样的代码在Mac上运行是正常的,在Windows10上运行就会报一下错误。 “ACCESS_MASK”: 不明确的符号 二、原因及解决方案 原因:OpenCV4.5.3的命名空间using namespace cv;和windows中的ACCESS_MASK定 ......
ACCESS_MASK 符号 Windows OpenCV ACCESS

Mysql - Error 1055: Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'user.nickname' which is not functionally dependent on columns in GROUP BY clause

编写SQL时需要如下错误,即出现错误 ERROR 1055,SELECT列表不在GROUP BY语句内且存在不函数依赖GROUP BY语句的非聚合字段'edusassvc.u.nickname',这是和sql_mode=only_full_group_by不兼容的(即不支持)。 分析问题 1)原理层 ......

Linux中mask的作用

在计算机科学和信息安全领域,"mask"(掩码)通常指的是一种用来隐藏、保护或操作数据的技术。以下是一些常见的上下文中掩码的作用:1. **子网掩码(Subnet Mask):**- 用于在IP地址中区分网络部分和主机部分。子网掩码中的"1"位表示网络部分,"0"位表示主机部分。它帮助路由器正确地将 ......
作用 Linux mask

Linux中mask的作用

在计算机科学和信息安全领域,"mask"(掩码)通常指的是一种用来隐藏、保护或操作数据的技术。以下是一些常见的上下文中掩码的作用: 1. **子网掩码(Subnet Mask):**- 用于在IP地址中区分网络部分和主机部分。子网掩码中的"1"位表示网络部分,"0"位表示主机部分。它帮助路由器正确地 ......
作用 Linux mask

mysql 报错which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by

Expression #2 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'd.Id' which is not functionally dependent on columns in GROU ......

Make Lexicographically Smallest Array by Swapping Elements

Make Lexicographically Smallest Array by Swapping Elements You are given a 0-indexed array of positive integers nums and a positive integer limit. In ......

Caused by: io.debezium.DebeziumException: java.sql.SQLSyntaxErrorException: Access denied; you need (at least one of) the RELOAD privilege(s) for this operation

1.情景展示 如上图所示: 在使用debezium读取mysql数据操作日志时(io.debezium.connector.mysql.MySqlConnector),报错: Caused by: io.debezium.DebeziumException: java.sql.SQLSyntaxEr ......

[Codeforces] CF1799B Equalize by Divide

序列操作(divide.cpp)—CF1799B—1200 题目描述 给您一个 \(a_1,a_2,\dots a_n\) 这样的正整数数组,您可以对它进行多次(可以是零次)这样的操作: 选择两个索引 \(i,j(1 \leq i,j \leq n,i \neq j)\); 将 \(a_i\) 赋值 ......
Codeforces Equalize Divide 1799B 1799

Docker启动失败,提示"iptables: No chain/target/match by that name"

一、问题现象 docker容器报错: docker: Error response from daemon: driver failed programming external connectivity on endpoint etlmysql (12ccdbcef942bef6f32dbfc15 ......
quot iptables Docker target chain

MySQL Group by 优化查询

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MySQL Group by