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mysql发生连接异常Cause: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
【问题背景】应用部署再ecs或者云上报错 Cause: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure用的是 数据库连接池（Druid） 背景信息 使用Druid作为数据库连接池 ......
One Dynamics One Platform : Analytics - Delta Lake Synapse Link
Update September 2023 : The F&O part is now in General Avaibility (GA) Hope you had a good summer holiday, starting next season's articles, it was tim ......
how to work with FlatBuffers
flat_buffer - 1.70.0 https://www.boost.org/doc/libs/1_70_0/libs/beast/doc/html/beast/ref/boost__beast__flat_buffer.html FlatBuffers: Use in C++ https: ......
【每周一读】How to Detect Hallucinations in LLMs
准备开一个【每周一读】栏目，分享任何有意思的文章，不定时更新。 原文🔗：https://towardsdatascience.com/real-time-llm-hallucination-detection-9a68bb292698 原文作者：Iulia Brezeanu 1 什么是LLM Ha ......
[LeetCode] 2696. Minimum String Length After Removing Substrings
You are given a string s consisting only of uppercase English letters. You can apply some operations to this string where, in one operation, you can r ......
CC-Link IE转EthernetIP网关在造纸行业中的应用
随着工业4.0的推进，物联网和智能制造的概念在各行各业中得到了广泛的应用。在造纸行业中，为了实现生产过程的自动化和智能化，对于设备间的通讯要求越来越高。CC-Link IE转CC-Link IE网关作为一种先进的通讯解决方案，在造纸行业中发挥着重要的作用。 ......
[LeetCode] 2807. Insert Greatest Common Divisors in Linked List
Given the head of a linked list head, in which each node contains an integer value. Between every pair of adjacent nodes, insert a new node with a val ......
初中英语优秀范文100篇-050How to Care for the Old-如何关爱老人
PDF格式公众号回复关键字:SHCZFW050 记忆树 1 As is shown in the picture above, some of the elderly live alone. 翻译 根据上图所示，有些老人独自生活 简化记忆 生活 句子结构 1"As is shown in the p ......
[FreeBSD] How to modify hostname
Hi Matt, As root, type "hostname <new hostname>", and the hostname will be changedimmediately. To make this change permanent across reboots, edit the ......
ABAP Field-Symbols 字段符号
参考地址：[https://www.cnblogs.com/jiangzhengjun/p/4293262.html](https://www.cnblogs.com/jiangzhengjun/p/4293262.html) Field-Symbols 字段符号 在ABAP中，字段符号（Field ......
如何在无窗口模式下运行GPG——如何在命令行模式下使用gpg生成秘钥：How to make gpg prompt for passphrase on CLI——GPG prompt for password in command line
参考： Unable to generate a key with GnuPG (agent_genkey failed: No such file or directory) ["No such file or directory" when generating a gpg key](https ......
How To Remove the Oracle OLAP API Objects From 9i and 11g Databases (Doc ID 278111.1)
How to remove the Oracle OLAP API objects from a 9i database We can consider like olap api objects: -) objects in the schema of olapsys; -) public syn ......
Dancing Links(舞蹈链)学习笔记
算法思路 其实这就是一个比较高端的暴力，以模板题为例，其实就是先选其中含 $1$ 较为少的一列，然后枚举选各个含 $1$ 的行时其他的列能排除多少行，如果每行都有了就输出，否则要么继续，要么回溯。 如何建链表图 其实这就很简单了，只需要连接数据的上下左右边，再记录一下这一列有几个 $1$ 与位置即可 ......
利用强化学习算法解释人类脑对高维状态的抽象表示：how humans can map high-dimensional sensory inputs in actions
论文： 《Using deep reinforcement learning to reveal how the brain encodes abstract state-space representations in high-dimensional environments》 地址： http ......
appium报错DeprecationWarning: desired_capabilities argument is deprecated and will be removed in future versions. Use options instead.
不再用desired_capabilities，用options代替 原来的 desired_caps = { "platformName": "ios", "platformVersion": "11.4", "deviceName": "iPhone 6 Plus", "noReset": Tr ......
Applied Statistics - 应用统计学习 - numpy array交换两行 ？ How to Swap Two Rows in a NumPy Array (With Example)
https://www.statology.org/qualitative-vs-quantitative-variables/ https://www.statology.org/numpy-swap-rows/ How to Swap Two Rows in a NumPy Array (Wit ......
BigDataAIML-Kaggle-How to Calculate Principal Component Analysis (PCA) from Scratch in Python
How to Calculate Principal Component Analysis (PCA) from Scratch in Python https://www.kaggle.com/code/aurbcd/pca-using-numpy-from-scratch PCA using N ......
android-x86.org: How to install Android on PC: These are your best options
https://www.androidauthority.com/install-android-pc-3103069/ https://www.android-x86.org/installhowto.html How to install Android on PC: These are you ......
Python采集html页面时如何去除掉script,link等指定html标签
python爬虫去除html中特定标签、去除注释、替换实体前言：本文主要讲w3lib库的四个函数 html.remove_tags() html.remove_tags_with_content() html.remove_comments() html.remove_entities() remo ......
rust call sqlite3 error: linking with `link.exe` failed: exit code: 1181
rust call sqlite3 error: linking with link.exe failed: exit code: 1181 声明：本文禁止csdn.net及所有所有子网站转载。禁止以营利性为目的的转载。 报错 error: linking with `link.exe` faile ......
Thoughts and ideas about how to apply LLMs in specific domains like clinic/law/finance
Applying LLMs in Specific Domains As a university student who has just completed fine-tuning TinyLLaMA-1b with clinical instruction data using the QLo ......
std::remove_if用法学习
转自：https://blog.csdn.net/KFLING/article/details/80187847， 1.介绍 #include <algorithm>remove_if(begin,end,op);//(迭代器-开始位置，迭代器-终止位置，回调函数) 如果回调函数返回为真，则将当前所 ......
Oracle数据链接(DB Link)
需求 想在本地的Oracle数据库中，操作另一个远程的数据库，访问并同步其中的数据。 可以使用 DB Link Oracle数据库链接进行操作。 概述 在Oracle数据库中，数据链可以通过创建数据库链接Database Link实现。数据库链接是一个指向远程数据库的指针，它允许用户在本地数据库中访 ......
How does B-tree make your queries fast?
原文 https://blog.allegro.tech/2023/11/how-does-btree-make-your-queries-fast.html ......
[how does it work series] std::bind
本文不是一篇对std::bind的源码分析，而是试图通过逐步推导的方式，不断迭代优化，最终实现一版能阐述清核心原理的demo。非常像真实的开发过程。 事实上，关于std::bind的源码分析已有优质的讲解，建议想深入了解的读者参阅。 什么是std::bind? std::bind 是 C++ 标准库 ......
Remove TraceParent header from HttpClient requests
ASP.NET Core creates an Activity that represents the request by default. This is what tells HttpClient to send an outgoing request id header. You can ......
How to Master the Popular DBSCAN Clustering Algorithm for Machine Learning
Overview DBSCAN clustering is an underrated yet super useful clustering algorithm for unsupervised learning problems Learn how DBSCAN clustering works ......
编译并行，link串行
在CMake中，如果你有多个可执行文件目标，并且你想要它们在链接时串行构建，你可以使用CMake的add_dependencies命令来创建一个依赖链。这将确保在开始构建一个目标之前，它所依赖的目标已经构建完成。 下面是一个简化的步骤说明，展示了如何设置CMakeLists.txt来实现多个可执行文 ......
How to permanently delete a file stored in GIT (both from the local and remote repositories)?
First run git filter-branch -f --index-filter "git rm -rf --cached --ignore-unmatch FOLDERNAME" -- --all Then shrink the .git folder rm -rf .git/refs/ ......