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多主架构：VLDB技术论文《Taurus MM: bringing multi-master to the cloud》解读
华为《Taurus MM: bringing multi-master to the cloud》论文被国际数据库顶会VLDB 2023录用，这篇论文里讲述了符合云原生数据库特点的超燃技术。 ......
Training language models to follow instructions with human feedback
郑重声明：原文参见标题，如有侵权，请联系作者，将会撤销发布！ NeurIPS 2022 ......
(Windows Hadoop环境配置)IDEA：ERROR util.Shell: Failed to locate the winutils binary in the hadoop binary path
ERROR util.Shell: Failed to locate the winutils binary in the hadoop binary path 出错原因：还没有在windows上配置hadoop环境变量。 解决：在windows上配置hadoop环境变量 参考：windows下缺少 ......
How to delete a file in Node.js All In One
How to delete a file in Node.js All In One
fs.unlink
fsPromises.unlink
fs.unlinkSync
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How to fix Tailwind CSS colors not work in Next.js All In One
How to fix Tailwind CSS colors not work in Next.js All In One
Tailwind CSS & Next.js 13
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oracle数据库使用to_timestamp格式化日期数据时，报错： ORA-01821: date format not recognized日期格式化问题
今天偶然发现一个问题： 我使用的数据库是11.2版本的sql语句：SELECT to_timestamp('2023-09-13 15:43:29.943','yyyy-mm-dd hh24:mi:ss.fff') AS mydata FROM dual就会报错，项目出现问题， 但很神奇的时使用or ......
gorm stdErr = sql: Scan error on column index 0, name "total": converting NULL to float64 is unsupported
前言 使用 gorm 查询时，报错：stdErr = sql: Scan error on column index 0, name "total": converting NULL to float64 is unsupported 代码如下 var total float64 res := db ......
kuberlet服务启动报错："Failed to run kubelet" err="failed to run Kubelet: misconfiguration: kubelet cgroup driver: \"systemd\" is different from docker cgroup driver: \"cgroupfs\""
这是因为kubelet的cgroup和docker的不一致所导致的，“kubelet cgroup驱动为systemd，而docker的为cgroupfs”，有两种决解决方式，方式一：修改docker的cgroup为systemd 修改docker服务的配置文件，“/etc/docker/daemo ......
ssh: connect to host github.com port 22: Connection refused
今天从github clone代码的时候突然发现down不下来，很奇怪，百度后找到一个解决方法，特此记录。 在.ssh里添加config config内容如下： User后面是空格+你的邮箱名，这个邮箱名和.gitconfig中的email相同。 配置后，我们 ssh -T git@github.c ......
How to fix Node.js fs.readFileSync toString Error All In One
How to fix Node.js fs.readFileSync toString Error All In One
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How to clone git repository with specific revision/changeset?
How to clone git repository with specific revision/changeset? 回答1 UPDATE 2 Since Git 2.5.0 the feature described below can be enabled on server side w ......
hugepages_settings.sh-Shell Script to Calculate Values Recommended Linux HugePages-HugeTLB Configuration_DocID401749.1
Oracle Linux-Shell Script to Calculate Values Recommended Linux HugePages-HugeTLB Configuration_DocID401749.1 ######################################## ......
Failed to connect to server: hadoop/ip:9000: try once and fail.
hadoop 连接失败，报如下错误！ java.net.ConnectException: Connection refused at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) at sun.nio.ch.SocketChann ......
Breaking Changes When Upgrading from EF Core 6 to 7: What You Need to Know
Entity Framework Core (EF Core) is a popular Object-Relational Mapping (ORM) framework used by .NET developers for database operations. With the relea ......
k8s集群-spring cloud 集成seata的时候：can not register RM,err:can not connect to services-server.
背景说明 seate和其他微服务在k8s集群中部署，都在同一个命名空间。注册到nacos的同一个命名空间 seate是官方提供，无改动 k8s中部署情况： 报错提示 core服务的报错内容： 2023-09-12 11:07:06.524 ERROR 7 [eoutChecker_2_1] i.s. ......
Screen fragments should never be restored. Follow instructions from https://github.com/software-mansion/react-native-screens/issues/17#issuecomment-424704067 to properly configure your main activity.
Screen fragments should never be restored. Follow instructions from https://github.com/software-mansion/react-native-screens/issues/17#issuecomment-42... ......
Failed to start LSB: Bring up/down错误解决方法
[[email protected] ~]# systemctl status network.service ● network.service – LSB: Bring up/down networking Loaded: loaded (/etc/rc.d/init.d/network; ba ......
java.lang.ClassCastException: java.sql.Timestamp cannot be cast to java.lang.String
这个问题来自于想把从数据库查询的数据转化为字符串，方便后面做时间比较，显示格式转化错误 sql改造部分 as的左边为我的sql语句 语法使用如下 DATE_FORMAT((sql语句),'%Y-%m-%d %H:%i:%s') 如果是涉及时间的计算，可以考虑如下方式 BigDecimal a = ( ......
linux报错“Failed to start LSB: Bring up/down networking.”
1 简介 虚拟机安装CentOs7完成后，配置静态网络，重启网络失败 执行ststemctl status network.service 发现报错：Failed to start LSB: Bring up/down networking 2 原因 由于centos7中没有70-persisten ......
Methods to access data in SAS
# REFERENCE TO EXTERNAL FILE VIA LIBNAME ENGINE LIBNAME {libref} {DBMS descriptor} {dir to file} DBMS descriptor for Excel: XLSX, XLS, EXCEL DBMS desc ......
C# Linq to Enitty Lamda中日期格式化，请使用SqlFunctions.DateName
var data = db.Invoice.Select(i => new InvoiceVM { InvoiceId = i.InvoiceId, GroupIds = SqlFunctions.DateName("yyyy", i.BillDate )+"-"+SqlFunctions.Date ......
tjuctf{welcome_TO_D.I.E}
2021年D.I.E战队夏季选拔赛WP 第一次CTF Misc find_commit $ git show commit feaeda4640284b05f1975f739c661b691501be12 (HEAD -> master) Author: pushinl <pushinliu@gma ......
k8s集群在扩容的是某个节点出现 Error querying BIRD: unable to connect to BIRDv4 socket
k8s集群在扩容的是某个节点出现 Error querying BIRD: unable to connect to BIRDv4 socket 1、问题背景： 原因是因为新扩容的机器在扩容之前安装过docker切和当前的版本相差较大： 在k8s扩容的时候扩容完发现calico异常，describe ......
Codeforces Round 811 (Div. 3) A. Everyone Loves to Sleep
闹钟设有 \(n\) 个时间点，第 \(i\) 个时间为 \((H_i,M_i)\) 。在 \(h, m\) 时刻入睡，响铃必须起床，问能睡多久。 使用 \(set<pair<int, int>>\) 存储闹铃时刻，然后在其中 \(lower_{bound}\) 到 \(<first \geq h, ......
How to print a web page without breaking the table content in JavaScript All In One
How to print a web page without breaking the table content in JavaScript All In One
使用 JavaScript 如何在不破坏表格内容的情况下打印一个网页
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FFmpeg: How To Convert MP4 Video To MP3 Audio?
FFmpeg: How To Convert MP4 Video To MP3 Audio? Learn how to Convert an MP4 Video to MP3 Audio with FFmpeg from this guide. By Darwin Monteiro On Oct 1 ......
论文解读（LR2E）《Learning to Reweight Examples for Robust Deep Learning》
Note：[ wechat：Y466551 | 可加勿骚扰，付费咨询 ] 论文信息 论文标题：Learning to Reweight Examples for Robust Deep Learning论文作者：Mengye Ren、Wenyuan Zeng、Bin Yang、Raquel Urta ......
John：No password hashes left to crack (see FAQ)
使用john --wordlist=/usr/share/wordlists/rockyou.txt 文件名 出现: Using default input encoding: UTF-8 Loaded 1 password hash (netntlmv2, NTLMv2 C/R [MD4 HMAC ......
FAILED: SemanticException Unable to determine if hdfs://localhost.localdomain:9000/root/software/apache-hive-3.1.2-bin问题的解决
# 问题描述 在hive数据库里面，使用select语句对表的数据进行查找，就出现了这个错误:  # 问题解决 这 ......
How to use Promise and setTimeout to mock an API call in JavaScript All In One
How to use Promise and setTimeout to mock an API call in JavaScript All In One
如何使用 Promise 和 setTimeout 在 JavaScript 中模拟一个 API 调用
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