economist from the to

hive执行sql报错 FAILED: Execution Error, return code 3 from org.apache.hadoop.hive.ql.exec.mr.MapredLocalTask

前言: 执行hive sql报错,sql逻辑是两个表左连接并将数据插入新的表中。 报错信息: [ERROR] 2023-12-05 15:49:49.165 +0800 - execute sql error: Error while processing statement: FAILED: Ex ......
hive MapredLocalTask Execution FAILED apache

Attaching to remote docker container

Attaching to a docker container is quite similar to attaching to a process, the different part is that you need to select the corresponding connection ......
Attaching container remote docker to

The IDE is running low on memory

WebStorm 内存不足 提示:The IDE is running low on memory and this might affect performance. Please consider increasing the heap size. 翻译:IDE 内存不足,这可能会影响性能。请考 ......
running memory The IDE low

2023 - LauraHughes - A Novel Method to Determine Probabilistic Tsunami Hazard Using a Physics‐Based Synthetic

概要 这篇文章主要讨论了使用基于物理的合成地震目录进行海啸危险评估的首次尝试,并展示了在新西兰海岸附近,近场地震海啸可以产生高达28米的最大海浪高度。文章介绍了使用Cornell Multi-grid Coupled Tsunami模型(COMCOT)进行海啸生成和传播模拟的方法,并对模拟结果进行了 ......

CF1824B1 LuoTianyi and the Floating Islands (Easy Version) 题解

题意: 思路: 由于 $ k ∈ [1,3] $ ,分类讨论: 当 $ k = 1 $ 时,有人结点自身即为好结点,每种情况的期望为 $ \frac{1}{n} $ , $ n $ 种情况的期望和为 $ 1 $ 。最终答案即为 $ 1 $ 。 当 $ k = 2 $ 时,$ 2 $ 个有人结点之间的 ......
题解 LuoTianyi Floating Islands Version

Installing the NVIDIA Container Toolkit 容器配置GPU

网上的帖子都比较旧了,这是最新官方地址: https://docs.nvidia.com/datacenter/cloud-native/container-toolkit/latest/install-guide.html 注意:除了安装,还有配置,不是说安装上就完事 都弄好之后,就可以docke ......
容器 Installing Container Toolkit NVIDIA

Go - two bcrypt hashes of the same password are NOT equal

package main import ( "fmt" "golang.org/x/crypto/bcrypt" ) func main() { password := "abcdef" hashedPassword1, _ := bcrypt.GenerateFromPassword([]byte ......
password bcrypt hashes equal same

centos 8 Failed to download metadata for repo ‘AppStream’: Cannot prepare internal mirrorlist: No URLs in mirrorlist

查询后发现问题的原因是Centos8于2021年年底停止了服务,我们在使用yum源安装时候,出现下面错误“错误:Failed to download metadata for repo ‘AppStream’: Cannot prepare internal mirrorlist: No URLs ......

How to use Python Decorators_2

类也可以用来构建装饰器; 现在以一个类而不是一个函数的方式,来重新构建logit; from functools import wraps class logit(object): def __init__(self, logfile='out.log'): self.logfile = logfi ......
Decorators Python How use to

How to use Python Decorators_1

加入了写入Log文件的Decorators: from functools import wraps def logit(logfile='out.log'): def logging_decorator(func): @wraps(func) def wrapped_function(*args, ......
Decorators Python How use to

How to use Python Decorators_0

Authorization Logging 通过装饰器可以来打印日志: from functools import wraps def logit(func): @wraps(func) def with_logging(*args, **kwargs): print(func.__name__ + ......
Decorators Python How use to

npm WARN deprecated @npmcli/move-file@1.1.2: This functionality has been moved to @npmcli/fs

今天下载依赖(npm install sqlite sqlite3)遇到的问题。只需要把前面那个包卸载,然后安装后面那个包就可以了。 npm uninstall @npmcli/move-file npm install @npmcli/fs ......

uva101The Blocks Problem

原题链接The Blocks Problem - 洛谷 | 计算机科学教育新生态 (luogu.com.cn) 一道模拟题。(水题) 但模拟过程很有意思,怎么样才能用最短的代码完成所有操作,使代码更简洁是很考验技术的。 #include<bits/stdc++.h> using namespace ......
Problem Blocks uva 101 The

uva12096集合栈计算机 The SetStack Computer

洛谷链接集合栈计算机 The SetStack Computer - 洛谷 | 计算机科学教育新生态 (luogu.com.cn) 一道典型的以栈为背景的数据结构题。题目简单但是程序却并不简单(个人观点)。普及组的难度有点低了感觉。 个人认为这道题目可以帮助自己熟悉或者说更好的掌握STL的使用以及妙 ......
SetStack Computer 计算机 12096 uva

ansible 报错 "changed": false, "msg": "Failed to connect to the host

报错: "changed": false, "msg": "Failed to connect to the host via ssh: root@node1: Permission denied (publickey,gssapi-keyex,gssapi-with-mic,password)." ......
quot ansible changed connect Failed

The 2023 ICPC Asia Hong Kong Regional Programming Contest (AEFHKL)

在考试周打比赛就像在刀尖上跳舞,在赌桌上下筹码 我只希望专业课它别挂 不然搞钱吃饭就麻烦了 A.TreeScript 学弟写的,阅读理解题,读对了就是简单树dp #include<bits/stdc++.h> using namespace std; const int N=2e5; int n,f ......
Programming Regional Contest AEFHKL 2023

The 13th Shandong ICPC Provincial Collegiate Programming Contest

A. Orders 按照订单的结束时间排序,然后遍历一遍即可 #include<bits/stdc++.h> using namespace std; #define int long long using pii = pair<int, int>; using i32 = int32_t; voi ......

Mysql: [HY000][1093] You can't specify target table 'dupes' for update in FROM clause

错误原因 在同一语句中。不能先SELECT出同一表的某些值,在Update这个表 实例 错误实例 DELETE FROM dupes WHERE id NOT IN (SELECT MIN(id) FROM dupes GROUP BY name) 正确实例 DELETE FROM dupes WH ......
39 specify clause target update

Disconnected from the target VM, address: '127.0.0.1:5954', transport: 'sock

一直能正常运行的本地项目,在IDEA中突然跑不起来 解决步骤: 给application启动类的run方法加上try-catch 打印日志为Failed to determine a suitable driver class,说是数据源有问题 实则是IDEA抽风了 1.尝试删除idea缓存重启In ......
Disconnected transport 39 address target

The file “/xx/xxx/xxxx.dita”is outside the scope of the input dita/map directory.

如果路径没错的话,就是引用的内容不在这个ditamap之内,也就是引用的内容不能在被引用时单独生成。 还有个错误:编辑器里面可以正常加载路径,但dita-ot始终说找不到的某个dita文件的错误,我以为是缓存的问题,其实可能是之前引用的地方不止一处,文件加或者文件改名之后没有将其他地方改完,可以用f ......
dita directory the outside input

The importance of learning basic skills

参考范文1 The Importance of Reading Literature Literature is acknowledged as the most precious product of human civilization and wisdom, especially by our ......
importance learning skills basic The

记Redux下载后,运行examples/todos时,报错Error: error:0308010C:digital envelope routines::unsupported 和 Failed to load config "react-app" to extend from.

1、Redux 下载 下载地址 git clone https://github.com/reactjs/redux.git 进入examples/todos,下载依赖: npm install 2、问题复现及解决 执行命令 npm run start 此时终端报错: Error: error:03 ......
quot unsupported react-app 0308010C examples

influxdb: unable to parse points 异常解决总结

转载请注明出处: influxdb 使用过程经常遇到:unable to parse points 的异常: unable to parse points 是 InfluxDB 抛出的异常,表示无法解析数据点(points)。这个错误通常与数据格式不匹配或数据字段类型错误有关。 可能导致 "unab ......
influxdb unable points parse to

The 13th Shandong ICPC Provincial Collegiate Programming Contest

Preface 昨天VP的那场没有字符串还没有原形毕露,今天遇到一个后期字符串直接和祁神大眼瞪小眼了 最后一个半小时祁神狂冲F成功写出两个version的假算法,而我已经滚去补之前欠下的题目了 赛后被徐神狠狠拷打了,评价为徐神是我们的红太阳,没有他我们都不能活 A. Orders 签到,按截止时间处 ......

The 2023 ICPC Asia Hefei Regional Contest Test D. Balanced Array

Preface 这题赛场上出了个关键点基本都想到的做法,但因为一个地方卡住了没过去导致不得不选择弃掉这道题 赛后补了下发现\(O(n\log n)\)的做法是只差临门一脚了,但\(O(n)\)的做法还是trick性挺强的 Solution 首先考虑枚举\(k\),不难发现此时合法的前缀一定是个连续的 ......
Balanced Regional Contest Array Hefei

ICPC2022Hangzhou A Modulo Ruins the Legend 题解

Link ICPC2022Hangzhou A Modulo Ruins the Legend Question 求 $$\sum\limits_{i=1}^n a_i+n\times s+\frac{n(n+1)}{2}\times d \mod m$$ 的最小值 Solution 我们把这个式子 ......
题解 Hangzhou Modulo Legend Ruins

hive启动出现Either your MetaData is incorrect, or you need to enable "datanucleus.schema.autoCreateTables"

hive启动出现: Required table missing : "`VERSION`" in Catalog "" Schema "". DataNucleus requires this table to perform its persistence operations. Either ......

hive升级元数据报错The reference to entity "useSSL" must end with the ';' delimiter.

使用Hive自带的schematool工具升级元数据,也就是把最新的元数据重新写入MySQL数据库中。 执行以下命令 cd /usr/local/hive ./bin/schematool -initSchema -dbType mysql 出现The reference to entity "us ......
quot delimiter reference 数据 entity

内核文档翻译 —— Overview of the Linux Virtual File System

原文:https://www.kernel.org/doc/html/latest/filesystems/vfs.html#overview-of-the-linux-virtual-file-system Introduction The Virtual File System (also kn ......
内核 Overview Virtual 文档 System

The 2023 ICPC Asia Hefei Regional Contest Test I. Linguistics Puzzle

Preface 这题yysy真不难,但比赛的时候想出做法后没时间写了,只能遗憾地看着倒计时结束 Solution 直接上爆搜复杂度肯定会爆,考虑有哪些数是可以不用搜直接推出来的 首先样例启发我们\(0,1\)这两个数很好确定,因为\(0\)对应的字母单独出现的次数肯定最多,而\(1\)作为两位的开头 ......
Linguistics Regional Contest Puzzle Hefei